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Live Fly Fishing Conditions

Current Hatch Conditions

Real-time hatch status across 557 rivers in 40 states. Based on live USGS water temperature and seasonal timing.

167 active349 approaching
Active Now(167)
Au Sable RiverMI—Brown Drake
Water: 68°F ✓Flow: 1,310 cfs highPeak conditions
Pine RiverMI—Caddis
Water: 60°F ✓Flow: 216 cfs optimalPeak conditions
Pine RiverMI—Sulfur
Water: 60°F ✓Flow: 216 cfs optimalPeak conditions
Manistee RiverMI—Caddis
Water: 64°F ✓Flow: 1,200 cfs optimalPeak conditions
Manistee RiverMI—Brown Drake
Water: 64°F ✓Flow: 1,200 cfs optimalPeak conditions
Blackfoot RiverMT—Caddis
Water: 53°F ✓Flow: 5,820 cfs highPeak conditions
Blackfoot RiverMT—Salmonfly
Water: 53°F ✓Flow: 5,820 cfs highPeak conditions
Muskegon RiverMI—Caddis
Water: 63°F ✓Flow: 1,770 cfs optimalPeak conditions
Snake River — Snake River CanyonWY—Caddis
Water: 54°F ✓Flow: 11,400 cfs optimalPeak conditions
Green River — Flaming GorgeWY—Midge
Water: 67°F ✓Flow: 754 cfs lowPeak conditions
Rogue RiverOR—Caddis
Water: 63°F ✓Flow: 2,210 cfs optimalPeak conditions
Deschutes RiverOR—Caddis (Mother's Day Caddis)
Water: 54°F ✓Flow: 3,690 cfs optimalPeak conditions
Enormous emergence — the signature Deschutes hatch
Deschutes RiverOR—Salmonfly
Water: 54°F ✓Flow: 3,690 cfs optimalPeak conditions
Iconic hatch — fish eat big dries aggressively
Deschutes RiverOR—Golden Stonefly
Water: 54°F ✓Flow: 3,690 cfs optimalPeak conditions
McKenzie RiverOR—Caddis
Water: 56°F ✓Flow: 2,140 cfs optimalPeak conditions
McKenzie RiverOR—Green Drake
Water: 56°F ✓Flow: 2,140 cfs optimalPeak conditions
McKenzie RiverOR—Golden Stonefly
Water: 56°F ✓Flow: 2,140 cfs optimalPeak conditions
Wenatchee RiverWA—Caddis
Water: 55°F ✓Flow: 3,970 cfs optimalPeak conditions
Wenatchee RiverWA—Salmonfly
Water: 55°F ✓Flow: 3,970 cfs optimalPeak conditions
Wenatchee RiverWA—Pale Morning Dun
Water: 55°F ✓Flow: 3,970 cfs optimalPeak conditions
Tuolumne RiverCA—Caddis
Water: 58°F ✓Flow: 1,090 cfs optimalPeak conditions
Tuolumne RiverCA—Golden Stonefly
Water: 58°F ✓Flow: 1,090 cfs optimalPeak conditions
Tuolumne RiverCA—Pale Morning Dun
Water: 58°F ✓Flow: 1,090 cfs optimalPeak conditions
Merced RiverCA—Caddis
Water: 58°F ✓Flow: 765 cfs optimalPeak conditions
Merced RiverCA—Golden Stonefly
Water: 58°F ✓Flow: 765 cfs optimalPeak conditions
Merced RiverCA—Pale Morning Dun
Water: 58°F ✓Flow: 765 cfs optimalPeak conditions
Colorado River — Grand CanyonAZ—Midge
Water: 59°F ✓Flow: 8,170 cfs optimalPeak conditions
Dominant food source at Lees Ferry — size 18–24
Colorado River — Grand CanyonAZ—Scud/Amphipod
Water: 59°F ✓Flow: 8,170 cfs optimalPeak conditions
Not a hatch but a critical subsurface food source below the dam
Colorado River — Grand CanyonAZ—Caddis
Water: 59°F ✓Flow: 8,170 cfs optimalPeak conditions
Youghiogheny RiverPA—Caddis
Water: 65°F ✓Flow: 343 cfs lowPeak conditions
Youghiogheny RiverPA—Sulfur
Water: 65°F ✓Flow: 343 cfs lowPeak conditions
Youghiogheny RiverPA—Light Cahill
Water: 65°F ✓Flow: 343 cfs lowPeak conditions
Pine CreekPA—Slate Drake
Water: 69°F ✓Flow: 818 cfs optimalPeak conditions
Chattahoochee River — Metro AtlantaGA—Terrestrials
Water: 73°F ✓Flow: 1,030 cfs optimalPeak conditions
Delaware River — UpperNY—Isonychia
Water: 68°F ✓Flow: 1,440 cfs lowPeak conditions
Beaverkill RiverNY—Isonychia
Water: 67°F ✓Flow: 229 cfs optimalPeak conditions
Blue RiverCO—Midge
Water: 51°F ✓Flow: 117 cfs lowPeak conditions
Blue RiverCO—Caddis
Water: 51°F ✓Flow: 117 cfs lowPeak conditions
Roaring Fork RiverCO—Caddis
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Roaring Fork RiverCO—Pale Morning Dun
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Clark ForkMT—Caddis
Water: 55°F ✓Flow: 9,090 cfs optimalPeak conditions
Clark ForkMT—Salmonfly
Water: 55°F ✓Flow: 9,090 cfs optimalPeak conditions
Clark ForkMT—Pale Morning Dun
Water: 55°F ✓Flow: 9,090 cfs optimalPeak conditions
Missouri River — Upper Missouri BreaksMT—Midge
Water: 61°F ✓Flow: 7,660 cfs optimalPeak conditions
Missouri River — Upper Missouri BreaksMT—Caddis
Water: 61°F ✓Flow: 7,660 cfs optimalPeak conditions
Missouri River — Upper Missouri BreaksMT—Pale Morning Dun
Water: 61°F ✓Flow: 7,660 cfs optimalPeak conditions
Yellowstone RiverMT—Caddis
Water: 57°F ✓Flow: 10,000 cfs optimalPeak conditions
Yellowstone RiverMT—Salmonfly
Water: 57°F ✓Flow: 10,000 cfs optimalPeak conditions
Legendary hatch on the Yellowstone
Yellowstone RiverMT—Golden Stonefly
Water: 57°F ✓Flow: 10,000 cfs optimalPeak conditions
Yellowstone RiverMT—Pale Morning Dun
Water: 57°F ✓Flow: 10,000 cfs optimalPeak conditions
Madison RiverMT—Caddis
Water: 62°F ✓Flow: 1,590 cfs optimalPeak conditions
Madison RiverMT—Golden Stonefly
Water: 62°F ✓Flow: 1,590 cfs optimalPeak conditions
Madison RiverMT—Pale Morning Dun
Water: 62°F ✓Flow: 1,590 cfs optimalPeak conditions
American River — South ForkCA—Caddis
Water: 59°F ✓Flow: 1,030 cfs optimalPeak conditions
American River — South ForkCA—Stonefly
Water: 59°F ✓Flow: 1,030 cfs optimalPeak conditions
Stanislaus RiverCA—Caddis
Water: 55°F ✓Peak conditions
Provo RiverUT—Caddis
Water: 65°F ✓Flow: 197 cfs lowPeak conditions
Provo RiverUT—Pale Morning Dun
Water: 65°F ✓Flow: 197 cfs lowPeak conditions
Hoback RiverWY—Caddis
Water: 55°F ✓Flow: 1,180 cfs optimalPeak conditions
Hoback RiverWY—Pale Morning Dun
Water: 55°F ✓Flow: 1,180 cfs optimalPeak conditions
Colorado River — Glenwood CanyonCO—Caddis
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—Stonefly
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—PMD (Pale Morning Dun)
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Savage RiverMD—Caddis
Water: 60°F ✓Flow: 38.9 cfs lowPeak conditions
Savage RiverMD—Sulfur
Water: 60°F ✓Flow: 38.9 cfs lowPeak conditions
Sandy RiverOR—Caddis
Water: 63°F ✓Flow: 982 cfs optimalPeak conditions
Jackson RiverVA—Caddis
Water: 65°F ✓Peak conditions
Jackson RiverVA—Sulfur
Water: 65°F ✓Peak conditions
Cranberry RiverWV—Caddis
Water: 64°F ✓Flow: 81.6 cfs lowPeak conditions
Cranberry RiverWV—Sulfur
Water: 64°F ✓Flow: 81.6 cfs lowPeak conditions
Green River — Lodore CanyonCO—Caddis
Water: 52°F ✓Flow: 963 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—Caddis
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Mother’s Day caddis is a major hatch
Colorado River — Glenwood CanyonCO—Pale Morning Dun (PMD)
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—Yellow Sally (Stonefly)
Water: 57°F ✓Flow: 1,460 cfs lowPeak conditions
Taylor RiverCO—Midges
Water: 55°F ✓Flow: 319 cfs optimalPeak conditions
Tailwater stays cold and midges hatch all winter
Taylor RiverCO—Caddis
Water: 55°F ✓Flow: 319 cfs optimalPeak conditions
Taylor RiverCO—Pale Morning Dun (PMD)
Water: 55°F ✓Flow: 319 cfs optimalPeak conditions
North Branch PotomacWV—Caddis
Water: 58°F ✓Flow: 305 cfs lowPeak conditions
North Branch PotomacWV—Sulfur
Water: 58°F ✓Flow: 305 cfs lowPeak conditions
Excellent evening sulfur hatch on the tailwater
Lackawaxen RiverPA—Slate Drake (Isonychia)
Water: 69°F ✓Flow: 175 cfs lowPeak conditions
Truckee RiverCA—Midges
Water: 60°F ✓Flow: 775 cfs optimalPeak conditions
Truckee RiverCA—Caddis
Water: 60°F ✓Flow: 775 cfs optimalPeak conditions
Truckee RiverCA—Pale Morning Dun (PMD)
Water: 60°F ✓Flow: 775 cfs optimalPeak conditions
Truckee RiverCA—Golden Stonefly
Water: 60°F ✓Flow: 775 cfs optimalPeak conditions
Davidson RiverNC—Caddis
Water: 65°F ✓Flow: 87.3 cfs optimalPeak conditions
Davidson RiverNC—Sulfur
Water: 65°F ✓Flow: 87.3 cfs optimalPeak conditions
Jackson River — Lake Moomaw TailwaterVA—Sulfur
Water: 65°F ✓Peak conditions
Jackson River — Lake Moomaw TailwaterVA—Caddis
Water: 65°F ✓Peak conditions
Jackson River — Lake Moomaw TailwaterVA—Light Cahill
Water: 65°F ✓Peak conditions
Willowemoc CreekNY—Sulfur
Water: 65°F ✓Flow: 55.3 cfs lowPeak conditions
Willowemoc CreekNY—Green Drake
Water: 65°F ✓Flow: 55.3 cfs lowPeak conditions
Willowemoc CreekNY—Light Cahill
Water: 65°F ✓Flow: 55.3 cfs lowPeak conditions
Willowemoc CreekNY—Isonychia
Water: 65°F ✓Flow: 55.3 cfs lowPeak conditions
Neversink RiverNY—Sulfur
Water: 63°F ✓Flow: 82.5 cfs optimalPeak conditions
Neversink RiverNY—Green Drake
Water: 63°F ✓Flow: 82.5 cfs optimalPeak conditions
Neversink RiverNY—Light Cahill
Water: 63°F ✓Flow: 82.5 cfs optimalPeak conditions
Neversink RiverNY—Isonychia
Water: 63°F ✓Flow: 82.5 cfs optimalPeak conditions
Au Sable RiverMI—Caddis
Water: 68°F ✓Flow: 1,310 cfs highActive
Au Sable RiverMI—March Brown / Grey Drake
Water: 68°F ✓Flow: 1,310 cfs highActive
Au Sable RiverMI—Sulfur
Water: 68°F ✓Flow: 1,310 cfs highActive
Green River — Flaming GorgeWY—Caddis
Water: 67°F ✓Flow: 754 cfs lowActive
Green River — Flaming GorgeWY—Pale Morning Dun
Water: 67°F ✓Flow: 754 cfs lowActive
Rogue RiverOR—Salmonfly
Water: 63°F ✓Flow: 2,210 cfs optimalActive
Rogue RiverOR—Golden Stonefly
Water: 63°F ✓Flow: 2,210 cfs optimalActive
Trinity RiverCA—Caddis
Water: 68°F ✓Flow: 1,790 cfs optimalActive
Trinity RiverCA—Stonefly
Water: 68°F ✓Flow: 1,790 cfs optimalActive
San Juan RiverUT—Midge
Water: 76°F ✓Flow: 1,150 cfs optimalActive
The San Juan is a midge factory — size 22–28. This is THE pattern to master here
San Juan RiverUT—Pale Morning Dun
Water: 76°F ✓Flow: 1,150 cfs optimalActive
Pine CreekPA—March Brown
Water: 69°F ✓Flow: 818 cfs optimalActive
Pine CreekPA—Green Drake
Water: 69°F ✓Flow: 818 cfs optimalActive
Pine CreekPA—Sulfur
Water: 69°F ✓Flow: 818 cfs optimalActive
Chattahoochee River — Metro AtlantaGA—Sulfur
Water: 73°F ✓Flow: 1,030 cfs optimalActive
Chattahoochee River — Metro AtlantaGA—Midge
Water: 73°F ✓Flow: 1,030 cfs optimalActive
Primary food source in tailwater
Delaware River — Delaware Water GapNJ—Caddis
Water: 70°F ✓Flow: 2,630 cfs lowActive
Delaware River — Delaware Water GapNJ—Green Drake
Water: 70°F ✓Flow: 2,630 cfs lowActive
Delaware River — Delaware Water GapNJ—Sulfur
Water: 70°F ✓Flow: 2,630 cfs lowActive
Au Sable South BranchMI—Caddis
Water: 67°F ✓Flow: 155 cfs optimalActive
Little Muskegon RiverMI—Caddis
Water: 66°F ✓Flow: 156 cfs optimalActive
Potomac River — South BranchVA—Caddis
Water: 73°F ✓Flow: 969 cfs optimalActive
Potomac River — South BranchVA—Sulfur
Water: 73°F ✓Flow: 969 cfs optimalActive
Potomac River — South BranchVA—Green Drake
Water: 73°F ✓Flow: 969 cfs optimalActive
Delaware River — UpperNY—Caddis
Water: 68°F ✓Flow: 1,440 cfs lowActive
Delaware River — UpperNY—March Brown
Water: 68°F ✓Flow: 1,440 cfs lowActive
Delaware River — UpperNY—Green Drake
Water: 68°F ✓Flow: 1,440 cfs lowActive
Delaware River — UpperNY—Sulfur
Water: 68°F ✓Flow: 1,440 cfs lowActive
Esopus CreekNY—Caddis
Water: 67°F ✓Flow: 417 cfs optimalActive
Esopus CreekNY—March Brown
Water: 67°F ✓Flow: 417 cfs optimalActive
Beaverkill RiverNY—Caddis
Water: 67°F ✓Flow: 229 cfs optimalActive
Beaverkill RiverNY—March Brown
Water: 67°F ✓Flow: 229 cfs optimalActive
Beaverkill RiverNY—Green Drake
Water: 67°F ✓Flow: 229 cfs optimalActive
Beaverkill RiverNY—Sulfur
Water: 67°F ✓Flow: 229 cfs optimalActive
Dolores RiverUT—Caddis
Water: 75°F ✓Flow: 190 cfs lowActive
Dolores RiverUT—Stonefly
Water: 75°F ✓Flow: 190 cfs lowActive
Madison RiverMT—Salmonfly
Water: 62°F ✓Flow: 1,590 cfs optimalActive
John Day RiverOR—Caddis
Water: 72°F ✓Flow: 734 cfs lowActive
John Day RiverOR—Golden Stonefly
Water: 72°F ✓Flow: 734 cfs lowActive
Walker RiverNV—Caddis
Water: 78°F ✓Flow: 84.6 cfs optimalActive
Walker RiverNV—Pale Morning Dun
Water: 78°F ✓Flow: 84.6 cfs optimalActive
Shoshone RiverWY—Caddis
Water: 67°F ✓Flow: 635 cfs lowActive
Shoshone RiverWY—Pale Morning Dun
Water: 67°F ✓Flow: 635 cfs lowActive
Oak CreekAZ—Caddis
Water: 68°F ✓Flow: 28 cfs lowActive
Sipsey ForkAL—Sulfur
Water: 68°F ✓Flow: 162 cfs lowActive
Red Clay CreekDE—Caddis
Water: 71°F ✓Flow: 26.7 cfs lowActive
Red Clay CreekDE—Sulfur
Water: 71°F ✓Flow: 26.7 cfs lowActive
White Clay CreekDE—Caddis
Water: 74°F ✓Flow: 37.5 cfs lowActive
White Clay CreekDE—Sulfur
Water: 74°F ✓Flow: 37.5 cfs lowActive
Turkey RiverIA—Caddis
Water: 76°F ✓Flow: 840 cfs optimalActive
Turkey RiverIA—Sulfur
Water: 76°F ✓Flow: 840 cfs optimalActive
Dismal RiverNE—Caddis
Water: 72°F ✓Flow: 273 cfs optimalActive
Niobrara RiverNE—Caddis
Water: 78°F ✓Flow: 777 cfs optimalActive
Sandy RiverOR—Stonefly
Water: 63°F ✓Flow: 982 cfs optimalActive
Jackson RiverVA—March Brown
Water: 65°F ✓Active
Taylor RiverCO—Mysis Shrimp
Water: 55°FFlow: 319 cfs optimalActive
Mysis flushed from the reservoir feed trophy fish in the Hog Trough
Fryingpan RiverCO—Mysis Shrimp
Flow: 110 cfs lowActive
Hallmark of the Frying Pan — flushed from Ruedi, fuels trophy rainbows
Cache la PoudreCO—Yellow Sally
Active
Gunnison River — MainCO—Midges
Water: 71°F ✓Flow: 554 cfs lowActive
Cold tailwater fishes year-round in the canyon
Gunnison River — MainCO—Caddis
Water: 71°F ✓Flow: 554 cfs lowActive
Gunnison River — MainCO—Salmonfly
Water: 71°F ✓Flow: 554 cfs lowActive
Famous Gunnison salmonfly hatch — trophy fish window
Gunnison River — MainCO—Golden Stonefly
Water: 71°F ✓Flow: 554 cfs lowActive
Gunnison River — MainCO—Pale Morning Dun (PMD)
Water: 71°F ✓Flow: 554 cfs lowActive
Colorado River — UpperCO—Caddis
Water: 68°F ✓Flow: 281 cfs lowActive
Strong Mother’s Day caddis hatch on the Upper Colorado
Colorado River — UpperCO—Pale Morning Dun (PMD)
Water: 68°F ✓Flow: 281 cfs lowActive
Colorado River — UpperCO—Yellow Sally
Water: 68°FFlow: 281 cfs lowActive
Lackawaxen RiverPA—Caddis
Water: 69°F ✓Flow: 175 cfs lowActive
Lackawaxen RiverPA—Sulfur
Water: 69°F ✓Flow: 175 cfs lowActive
Davidson RiverNC—Yellow Sally
Water: 65°FFlow: 87.3 cfs optimalActive
Chattooga River — MainSC—Yellow Sally
Flow: 464 cfs lowActive
Approaching (within 30 days)(349)
Arkansas RiverCO—Midge
Flow: 396 cfs low
Arkansas RiverCO—Caddis (Mother's Day Caddis)
Flow: 396 cfs low
Massive emergence in May
Arkansas RiverCO—Stonefly (Golden Stone, Salmonfly)
Flow: 396 cfs low
Big dry fly fishing
Arkansas RiverCO—Pale Morning Dun (PMD)
Flow: 396 cfs low
Gallatin RiverMT—Caddis (Mother's Day)
Flow: 1,860 cfs optimal
Gallatin RiverMT—Salmonfly / Golden Stone
Flow: 1,860 cfs optimal
Gallatin RiverMT—Pale Morning Dun
Flow: 1,860 cfs optimal
Blackfoot RiverMT—PMD / Green Drake
Water: 53°F (need 55°F)Flow: 5,820 cfs high
Nantahala RiverNC—Caddis
Flow: 174 cfs low
Nantahala RiverNC—Light Cahill
Flow: 174 cfs low
Deerfield RiverMA—Caddis
Flow: 340 cfs low
Deerfield RiverMA—Sulfur
Flow: 340 cfs low
Deerfield RiverMA—Isonychia
Flow: 340 cfs low
Saco RiverNH—Caddis
Flow: 1,420 cfs optimal
Saco RiverNH—Green Drake
Flow: 1,420 cfs optimal
Saco RiverNH—Sulfur
Flow: 1,420 cfs optimal
Pere Marquette RiverMI—Caddis
Flow: 653 cfs optimal
Pere Marquette RiverMI—Sulfur
Flow: 653 cfs optimal
Pere Marquette RiverMI—Brown Drake
Flow: 653 cfs optimal
Boardman RiverMI—Caddis
Boardman RiverMI—Sulfur
Jordan RiverMI—Caddis
Flow: 189 cfs optimal
Jordan RiverMI—Sulfur
Flow: 189 cfs optimal
Betsie RiverMI—Caddis
Two Hearted RiverMI—Blue-Winged Olive (BWO)
Two Hearted RiverMI—Caddis
Salmon River — MainID—Salmonfly
Flow: 3,580 cfs optimal
Major hatch — draws big cutthroat to the surface
Salmon River — MainID—Golden Stonefly
Flow: 3,580 cfs optimal
Salmon River — MainID—Pale Morning Dun
Flow: 3,580 cfs optimal
Salmon River — MainID—Caddis
Flow: 3,580 cfs optimal
Lochsa RiverID—Salmonfly
Flow: 5,380 cfs high
Brief but intense emergence
Lochsa RiverID—Golden Stonefly
Flow: 5,380 cfs high
Lochsa RiverID—Caddis
Flow: 5,380 cfs high
Lochsa RiverID—Pale Morning Dun
Flow: 5,380 cfs high
Middle Fork of the SalmonID—Salmonfly
Flow: 3,490 cfs optimal
Legendary hatch on the Middle Fork — fish go berserk
Middle Fork of the SalmonID—Golden Stonefly
Flow: 3,490 cfs optimal
Middle Fork of the SalmonID—Caddis
Flow: 3,490 cfs optimal
Middle Fork of the SalmonID—Pale Morning Dun
Flow: 3,490 cfs optimal
Flathead River — Middle ForkMT—Caddis
Water: 48°F (need 50°F)Flow: 13,100 cfs high
Flathead River — Middle ForkMT—Salmonfly
Water: 48°F (need 50°F)Flow: 13,100 cfs high
Flathead River — Middle ForkMT—Golden Stonefly
Water: 48°F (need 52°F)Flow: 13,100 cfs high
Flathead River — Middle ForkMT—Pale Morning Dun
Water: 48°F (need 55°F)Flow: 13,100 cfs high
Stillwater RiverMT—Caddis
Stillwater RiverMT—Salmonfly
Stillwater RiverMT—Golden Stonefly
Stillwater RiverMT—Pale Morning Dun
Snake River — Snake River CanyonWY—Pale Morning Dun
Water: 54°F (need 55°F)Flow: 11,400 cfs optimal
North Platte River — Northgate CanyonWY—Midge
Flow: 433 cfs low
The bread-and-butter pattern on the Miracle Mile
North Platte River — Northgate CanyonWY—Caddis
Flow: 433 cfs low
North Platte River — Northgate CanyonWY—Pale Morning Dun
Flow: 433 cfs low
Cache la PoudreCO—Caddis
Flow: 340 cfs optimal
Mother's Day Caddis kicks off the season
Cache la PoudreCO—Stonefly (Golden Stone)
Flow: 340 cfs optimal
Cache la PoudreCO—Pale Morning Dun
Flow: 340 cfs optimal
Deschutes RiverOR—Pale Morning Dun
Water: 54°F (need 55°F)Flow: 3,690 cfs optimal
North Umpqua RiverOR—Caddis
North Umpqua RiverOR—Golden Stonefly
Skagit RiverWA—Caddis
Water: 47°F (need 50°F)Flow: 5,610 cfs optimal
Skagit RiverWA—Pink Albert (Pink Cahill)
Water: 47°F (need 55°F)Flow: 5,610 cfs optimal
Kern RiverCA—Caddis
Flow: 79.8 cfs low
Kern RiverCA—Golden Stonefly
Flow: 79.8 cfs low
Kern RiverCA—Pale Morning Dun
Flow: 79.8 cfs low
Truckee RiverNV—Caddis
Flow: 541 cfs optimal
Truckee RiverNV—Pale Morning Dun
Flow: 541 cfs optimal
Truckee RiverNV—Golden Stonefly
Flow: 541 cfs optimal
Rio Grande — Taos BoxNM—Caddis
Flow: 216 cfs low
Rio Grande — Taos BoxNM—Stonefly
Flow: 216 cfs low
Rio Grande — Taos BoxNM—Pale Morning Dun
Flow: 216 cfs low
Rio ChamaNM—Caddis
Flow: 76.8 cfs low
Rio ChamaNM—Pale Morning Dun
Flow: 76.8 cfs low
Gila RiverNM—Caddis
Flow: 12.4 cfs low
Gila RiverNM—Stonefly
Flow: 12.4 cfs low
Gila RiverNM—Pale Morning Dun
Flow: 12.4 cfs low
Lehigh RiverPA—Caddis
Flow: 830 cfs optimal
Lehigh RiverPA—Sulfur
Flow: 830 cfs optimal
Lehigh RiverPA—Isonychia
Flow: 830 cfs optimal
Nolichucky RiverTN—Caddis
Flow: 1,300 cfs optimal
Nolichucky RiverTN—Sulfur
Flow: 1,300 cfs optimal
Hiwassee RiverTN—Sulfur
Hiwassee RiverTN—Caddis
Hiwassee RiverTN—Light Cahill
Chattooga RiverNC—Caddis
Flow: 464 cfs low
Chattooga RiverNC—Light Cahill
Flow: 464 cfs low
Toccoa RiverGA—Caddis
Toccoa RiverGA—Sulfur
Toccoa RiverGA—Midge
Penobscot River — West BranchME—Hendrickson
xxxx
Flow: 1,060 cfs low
Penobscot River — West BranchME—Caddis
xxxx
Flow: 1,060 cfs low
Penobscot River — West BranchME—Green Drake
xxxx
Flow: 1,060 cfs low
Kennebec River — The ForksME—Hendrickson
Flow: 158 cfs low
Kennebec River — The ForksME—Caddis
Flow: 158 cfs low
Kennebec River — The ForksME—Green Drake
Flow: 158 cfs low
Hudson River GorgeNY—Hendrickson
Flow: 1,050 cfs low
Hudson River GorgeNY—Caddis
Flow: 1,050 cfs low
Hudson River GorgeNY—Green Drake
Flow: 1,050 cfs low
West RiverVT—Caddis
Flow: 107 cfs low
West RiverVT—Sulfur
Flow: 107 cfs low
Housatonic RiverCT—Caddis
Flow: 409 cfs optimal
Housatonic RiverCT—March Brown
Flow: 409 cfs optimal
Housatonic RiverCT—Sulfur
Flow: 409 cfs optimal
Housatonic RiverCT—Isonychia
Flow: 409 cfs optimal
Farmington RiverCT—Caddis
Flow: 340 cfs optimal
Farmington RiverCT—March Brown
Flow: 340 cfs optimal
Farmington RiverCT—Sulfur
Flow: 340 cfs optimal
Farmington RiverCT—Green Drake
Flow: 340 cfs optimal
Farmington RiverCT—Isonychia
Flow: 340 cfs optimal
Current RiverMO—Caddis
Flow: 1,270 cfs optimal
Current RiverMO—Sulfur
Flow: 1,270 cfs optimal
Black River (Cheboygan)MI—Caddis
Chippewa RiverMI—Caddis
Flow: 193 cfs optimal
Crystal River (Glen Arbor)MI—Caddis
Dowagiac RiverMI—Caddis
Flow: 254 cfs optimal
Dowagiac RiverMI—Sulfur
Flow: 254 cfs optimal
Kalamazoo RiverMI—Caddis
Flow: 718 cfs optimal
Little Manistee RiverMI—Caddis
Ocqueoc RiverMI—Caddis
Pigeon RiverMI—Caddis
Flow: 75.8 cfs low
Sturgeon RiverMI—Caddis
Flow: 228 cfs optimal
White RiverMI—Caddis
Flow: 374 cfs optimal
Big Manistee Lake BranchMI—Caddis
Maple RiverMI—Caddis
Greenbrier RiverWV—Caddis
Flow: 1,120 cfs optimal
Greenbrier RiverWV—March Brown
Flow: 1,120 cfs optimal
Delaware River — UpperPA—Caddis
Delaware River — UpperPA—Green Drake
Delaware River — UpperPA—Sulfur
Delaware River — UpperPA—Isonychia
Loyalsock CreekPA—Caddis
Loyalsock CreekPA—March Brown
Loyalsock CreekPA—Sulfur
Moose RiverNY—Caddis
Sacandaga RiverNY—Caddis
Flow: 516 cfs optimal
Sacandaga RiverNY—March Brown
Flow: 516 cfs optimal
Blue RiverCO—Pale Morning Dun
Water: 51°F (need 55°F)Flow: 117 cfs low
Eagle RiverCO—Caddis
Flow: 706 cfs optimal
Eagle RiverCO—Stonefly (Golden Stone)
Flow: 706 cfs optimal
Eagle RiverCO—Pale Morning Dun
Flow: 706 cfs optimal
Crystal RiverCO—Caddis
Flow: 686 cfs optimal
Crystal RiverCO—Pale Morning Dun
Flow: 686 cfs optimal
Big Hole RiverMT—Salmonfly
Flow: 1,260 cfs optimal
Big Hole RiverMT—Golden Stonefly
Flow: 1,260 cfs optimal
Big Hole RiverMT—Pale Morning Dun
Flow: 1,260 cfs optimal
Henry's ForkID—Green Drake
Flow: 1,100 cfs optimal
The signature hatch — selective fish on flat water
Henry's ForkID—Pale Morning Dun
Flow: 1,100 cfs optimal
Henry's ForkID—Caddis
Flow: 1,100 cfs optimal
Priest RiverID—Caddis
Priest RiverID—Stonefly
Selway RiverID—Salmonfly
Flow: 7,420 cfs high
Selway RiverID—Golden Stonefly
Flow: 7,420 cfs high
Selway RiverID—Caddis
Flow: 7,420 cfs high
South Fork Boise RiverID—Caddis
South Fork Boise RiverID—Pale Morning Dun
Tieton RiverWA—Caddis
Tieton RiverWA—Pale Morning Dun
Sacramento RiverCA—Caddis
Flow: 12,300 cfs optimal
Sacramento RiverCA—Pale Morning Dun
Flow: 12,300 cfs optimal
Yuba RiverCA—Caddis
Flow: 1,190 cfs optimal
Yuba RiverCA—Stonefly
Flow: 1,190 cfs optimal
Mokelumne RiverCA—Caddis
East Walker RiverNV—Caddis
Flow: 183 cfs high
East Walker RiverNV—Pale Morning Dun
Flow: 183 cfs high
Carson River — East ForkNV—Caddis
Flow: 411 cfs optimal
Logan RiverUT—Caddis
Flow: 303 cfs optimal
Logan RiverUT—Pale Morning Dun
Flow: 303 cfs optimal
Weber RiverUT—Caddis
Flow: 351 cfs optimal
Weber RiverUT—Pale Morning Dun
Flow: 351 cfs optimal
Clarks Fork YellowstoneWY—Caddis
Flow: 4,030 cfs high
Clarks Fork YellowstoneWY—Golden Stonefly
Flow: 4,030 cfs high
Clarks Fork YellowstoneWY—Pale Morning Dun
Flow: 4,030 cfs high
Greys RiverWY—Caddis
Flow: 1,070 cfs optimal
Greys RiverWY—Pale Morning Dun
Flow: 1,070 cfs optimal
Wind RiverWY—Caddis
Flow: 351 cfs low
Wind RiverWY—Pale Morning Dun
Flow: 351 cfs low
Canadian RiverNM—Caddis
Flow: 5.61 cfs low
Jemez RiverNM—Caddis
Water: 32°F (need 50°F)Flow: 9.05 cfs low
Pecos RiverNM—Caddis
Flow: 7.7 cfs low
Pecos RiverNM—Pale Morning Dun
Flow: 7.7 cfs low
Red RiverNM—Caddis
Flow: 30.6 cfs low
Black RiverAZ—Caddis
Flow: 24.5 cfs low
Bantam RiverCT—Caddis
Natchaug RiverCT—Caddis
Flow: 123 cfs optimal
Quinnipiac RiverCT—Caddis
Flow: 82 cfs low
Salmon RiverCT—Caddis
xxxx
Flow: 58.8 cfs low
Salmon RiverCT—Sulfur
xxxx
Flow: 58.8 cfs low
Shepaug RiverCT—Caddis
Brandywine CreekDE—Caddis
Flow: 185 cfs low
Brandywine CreekDE—Sulfur
Flow: 185 cfs low
Blue RiverIN—Sulfur
Flow: 548 cfs optimal
Blue RiverIN—Caddis
Flow: 548 cfs optimal
Upper Iowa RiverIA—Caddis
Flow: 584 cfs optimal
Volga RiverIA—Caddis
Flow: 226 cfs optimal
Yellow River State ForestIA—Caddis
Flow: 164 cfs optimal
Allagash Wilderness WaterwayME—Blue-Winged Olive
Allagash Wilderness WaterwayME—Caddis
Allagash Wilderness WaterwayME—Hex (Hexagenia)
Dead RiverME—Blue-Winged Olive
Dead RiverME—Caddis
Machias RiverME—Caddis
xxxx
Rapid RiverME—Blue-Winged Olive
Rapid RiverME—Caddis
Rapid RiverME—Hex (Hexagenia)
Seboeis RiverME—Blue-Winged Olive
Flow: 158 cfs low
Seboeis RiverME—Caddis
Flow: 158 cfs low
Antietam CreekMD—Caddis
Flow: 196 cfs optimal
Antietam CreekMD—Sulfur
Flow: 196 cfs optimal
Gunpowder FallsMD—Caddis
Flow: 82.3 cfs optimal
Gunpowder FallsMD—Sulfur
Flow: 82.3 cfs optimal
Youghiogheny River — Maryland SectionMD—Caddis
Flow: 162 cfs low
Youghiogheny River — Maryland SectionMD—Sulfur
Flow: 162 cfs low
Westfield RiverMA—Caddis
Flow: 276 cfs low
Cannon RiverMN—Caddis
Flow: 467 cfs optimal
Root RiverMN—Caddis
Flow: 772 cfs optimal
Eleven Point RiverMO—Caddis
Flow: 503 cfs optimal
Eleven Point RiverMO—Sulfur
Flow: 503 cfs optimal
North Fork White RiverMO—Caddis
Flow: 770 cfs optimal
North Fork White RiverMO—Sulfur
Flow: 770 cfs optimal
Calamus RiverNE—Caddis
Middle Loup RiverNE—Caddis
Flow: 500 cfs optimal
Androscoggin RiverNH—Caddis
Flow: 2,230 cfs optimal
Connecticut RiverNH—Caddis
Flow: 5,560 cfs optimal
Contoocook RiverNH—Caddis
Flow: 461 cfs optimal
Ellis RiverNH—Caddis
Pemigewasset RiverNH—Caddis
Flow: 1,770 cfs optimal
Swift RiverNH—Caddis
Musconetcong RiverNJ—Caddis
Flow: 75.2 cfs low
Musconetcong RiverNJ—Sulfur
Flow: 75.2 cfs low
Paulins KillNJ—Caddis
Flow: 47.2 cfs low
Raritan RiverNJ—Caddis
San Antonio CreekNM—Caddis
San Antonio CreekNM—PMD (Pale Morning Dun)
Linville RiverNC—Sulfur
Flow: 75 cfs low
Tuckasegee RiverNC—Sulfur
Flow: 1,000 cfs optimal
Watauga RiverNC—Sulfur
Flow: 64.9 cfs low
Chagrin RiverOH—Caddis
Flow: 104 cfs optimal
Mad RiverOH—Caddis
Flow: 256 cfs optimal
Mad RiverOH—Sulfur
Flow: 256 cfs optimal
Chipuxet RiverRI—Caddis
Flow: 7.76 cfs low
Hunt RiverRI—Caddis
Wood RiverRI—Caddis
Flow: 29.7 cfs low
Rapid CreekSD—Caddis
Flow: 42.8 cfs low
Rapid CreekSD—PMD (Pale Morning Dun)
Flow: 42.8 cfs low
Spearfish CreekSD—Caddis
Flow: 46.6 cfs low
Spearfish CreekSD—Stonefly
Flow: 46.6 cfs low
Caney ForkTN—Sulfur
Flow: 435 cfs optimal
BattenkillVT—Caddis
BattenkillVT—March Brown
BattenkillVT—Sulfur
Lamoille RiverVT—Caddis
Flow: 586 cfs optimal
Mad RiverVT—Caddis
Flow: 233 cfs optimal
Missisquoi RiverVT—Caddis
Flow: 1,290 cfs optimal
Otter CreekVT—Caddis
Flow: 440 cfs optimal
White RiverVT—Caddis
Flow: 1,270 cfs optimal
White RiverVT—Sulfur
Flow: 1,270 cfs optimal
Winooski RiverVT—Caddis
Flow: 731 cfs optimal
Kickapoo RiverWI—Caddis
Flow: 185 cfs low
Pine RiverWI—Caddis
Green River — Lodore CanyonCO—Pale Morning Dun (PMD)
Water: 52°F (need 55°F)Flow: 963 cfs low
Fryingpan RiverCO—Midges
Flow: 110 cfs low
Cold tailwater fishes year-round
Fryingpan RiverCO—Pale Morning Dun (PMD)
Flow: 110 cfs low
South Platte RiverCO—Midges
Flow: 218 cfs low
South Platte RiverCO—Caddis
Flow: 218 cfs low
South Platte RiverCO—Pale Morning Dun (PMD)
Flow: 218 cfs low
Cache la PoudreCO—Caddis
Cache la PoudreCO—Pale Morning Dun (PMD)
Cache la PoudreCO—Salmonfly
Brief window during peak runoff
Shavers ForkWV—Caddis
Flow: 207 cfs optimal
Shavers ForkWV—Sulfur
Flow: 207 cfs optimal
Williams RiverWV—Caddis
Flow: 122 cfs optimal
Williams RiverWV—Sulfur
Flow: 122 cfs optimal
Little Juniata RiverPA—Caddis
Flow: 273 cfs optimal
Grannom hatch in late April is famous
Little Juniata RiverPA—Sulfur
Flow: 273 cfs optimal
Premier sulfur hatch — evening rises into July
Little Juniata RiverPA—Green Drake
Flow: 273 cfs optimal
Limited but present — limestone bug
Kettle CreekPA—Caddis
Flow: 191 cfs optimal
Kettle CreekPA—Sulfur
Flow: 191 cfs optimal
Kettle CreekPA—Slate Drake (Isonychia)
Flow: 191 cfs optimal
Feather RiverCA—Caddis
Feather RiverCA—Pale Morning Dun (PMD)
Kings RiverCA—Caddis
Kings RiverCA—Pale Morning Dun (PMD)
Kings RiverCA—Golden Stonefly
Pit RiverCA—Midges
Pit RiverCA—Caddis
Heavy caddis hatches are the Pit’s hallmark — fish nymphs deep
Pit RiverCA—Pale Morning Dun (PMD)
Pit RiverCA—Golden Stonefly
Upper NantahalaNC—Caddis
Flow: 174 cfs low
Upper NantahalaNC—Sulfur
Flow: 174 cfs low
Chattooga River — MainSC—Caddis
Flow: 464 cfs low
Chattooga River — MainSC—Sulfur
Flow: 464 cfs low
Tellico RiverTN—Yellow Sally Stonefly
Flow: 134 cfs low
Tellico RiverTN—Sulfur
Flow: 134 cfs low
Tellico RiverTN—Light Cahill
Flow: 134 cfs low
Holston River — South Holston TailwaterTN—Sulfur
The South Holston signature hatch — most consistent and predictable in the region
Holston River — South Holston TailwaterTN—Caddis
Holston River — South Holston TailwaterTN—Midges
Year-round midge fishing in the cold tailwater
Rapidan RiverVA—Sulfur
Flow: 219 cfs optimal
Rapidan RiverVA—Yellow Sally Stonefly
Flow: 219 cfs optimal
Rapidan RiverVA—Terrestrials
Flow: 219 cfs optimal
Penns CreekPA—Sulfur
Flow: 283 cfs optimal
Penns CreekPA—Green Drake (Ephemera guttulata)
Flow: 283 cfs optimal
The legendary Penns Creek green drake — one of the great hatches in American fly fishing. Brings out trophy browns from undercut banks.
Penns CreekPA—Slate Drake
Flow: 283 cfs optimal
Spring CreekPA—Sulfur
Flow: 83 cfs optimal
Spring CreekPA—Caddis
Flow: 83 cfs optimal
Spring CreekPA—Midges
Flow: 83 cfs optimal
Cold spring water supports midges all year
Slate RunPA—Sulfur
Flow: 455 cfs high
Slate RunPA—Light Cahill
Flow: 455 cfs high
Slate RunPA—Slate Drake
Flow: 455 cfs high
Brodhead CreekPA—Sulfur
Flow: 217 cfs optimal
Brodhead CreekPA—Green Drake
Flow: 217 cfs optimal
Brodhead CreekPA—Light Cahill
Flow: 217 cfs optimal
Abrams CreekTN—Yellow Sally Stonefly
Abrams CreekTN—Light Cahill
Citico CreekTN—Yellow Sally Stonefly
Clinch River — Norris TailwaterTN—Sulfur
Clinch River — Norris TailwaterTN—Caddis
Clinch River — Norris TailwaterTN—Midges
Critical year-round food source in the cold tailwater
Mossy CreekVA—Sulfur
Mossy CreekVA—Caddis
Mossy CreekVA—Midges
Cold spring water supports midges all year
Mossy CreekVA—Terrestrials (cricket, beetle, ant)
Trophy browns key on terrestrials in summer
South River — WaynesboroVA—Sulfur
Flow: 37.8 cfs low
South River — WaynesboroVA—Caddis
Flow: 37.8 cfs low
South River — WaynesboroVA—Terrestrials
Flow: 37.8 cfs low
Cumberland River — Wolf Creek TailwaterKY—Midges
Flow: 236 cfs low
Primary food source in the cold tailwater
Cumberland River — Wolf Creek TailwaterKY—Sulfur
Flow: 236 cfs low
Cumberland River — Wolf Creek TailwaterKY—Caddis
Flow: 236 cfs low
Hatchery CreekKY—Midges
Hatchery CreekKY—Caddis
Hatchery CreekKY—Sulfur
Hazel CreekNC—Yellow Sally Stonefly
Hazel CreekNC—Light Cahill
Wilson CreekNC—Yellow Sally Stonefly
Wilson CreekNC—Light Cahill
South Toe RiverNC—Yellow Sally Stonefly
Flow: 73.8 cfs optimal
South Toe RiverNC—Light Cahill
Flow: 73.8 cfs optimal
Seneca CreekWV—Yellow Sally Stonefly
Seneca CreekWV—Terrestrials
Dry ForkWV—Yellow Sally Stonefly
Flow: 292 cfs optimal
Dry ForkWV—Light Cahill
Flow: 292 cfs optimal
Dry ForkWV—Terrestrials
Flow: 292 cfs optimal
West Branch Ausable RiverNY—March Brown
Flow: 511 cfs optimal
West Branch Ausable RiverNY—Sulfur
Flow: 511 cfs optimal
West Branch Ausable RiverNY—Light Cahill
Flow: 511 cfs optimal
West Branch Ausable RiverNY—Isonychia (Slate Drake)
Flow: 511 cfs optimal
Boyne RiverMI—Sulfur
Boyne RiverMI—Caddis
Boyne RiverMI—Brown Drake
Bois Brule RiverWI—Sulfur
Flow: 122 cfs optimal
Bois Brule RiverWI—Brown Drake
Flow: 122 cfs optimal
Whitewater RiverMN—Sulfur
Whitewater RiverMN—Caddis
Fading(232)
Amicalola CreekGA—Caddis
Flow: 110 cfs low
Androscoggin RiverNH—Blue-Winged Olive
Flow: 2,230 cfs optimal
Androscoggin RiverNH—Hendrickson
Flow: 2,230 cfs optimal
Antietam CreekMD—Blue-Winged Olive
Flow: 196 cfs optimal
Arkansas RiverCO—Blue-Winged Olive (BWO)
Flow: 396 cfs low
Prolific spring and fall hatches
Au Sable South BranchMI—Blue-Winged Olive (BWO)
Water: 67°F ✓Flow: 155 cfs optimal
Bantam RiverCT—Blue-Winged Olive
Bantam RiverCT—Hendrickson
BattenkillVT—Blue-Winged Olive
BattenkillVT—Hendrickson
Beaverkill RiverNY—Blue-Winged Olive (BWO)
Water: 67°F ✓Flow: 229 cfs optimal
Big Hole RiverMT—Blue-Winged Olive
Flow: 1,260 cfs optimal
Big Manistee Lake BranchMI—Blue-Winged Olive (BWO)
Black RiverAZ—Blue-Winged Olive
Flow: 24.5 cfs low
Black River (Cheboygan)MI—Blue-Winged Olive (BWO)
Blue RiverCO—Blue-Winged Olive (BWO)
Water: 51°F ✓Flow: 117 cfs low
Blue RiverIN—Blue-Winged Olive
Flow: 548 cfs optimal
Blue RiverOK—Caddis
Flow: 77.2 cfs low
Boardman RiverMI—Blue-Winged Olive (BWO)
Bois Brule RiverWI—Blue-Winged Olive
Flow: 122 cfs optimal
Boyne RiverMI—Blue-Winged Olive (BWO)
Brandywine CreekDE—Blue-Winged Olive
Flow: 185 cfs low
Brodhead CreekPA—Blue-Winged Olive
Flow: 217 cfs optimal
Brodhead CreekPA—Grannom Caddis
Flow: 217 cfs optimal
Cache la PoudreCO—Blue-Winged Olive
Flow: 340 cfs optimal
Cache la PoudreCO—Blue-Winged Olive (BWO)
Calamus RiverNE—Blue-Winged Olive
Canadian RiverNM—Blue-Winged Olive
Flow: 5.61 cfs low
Caney ForkTN—Caddis
Flow: 435 cfs optimal
Cannon RiverMN—Blue-Winged Olive
Flow: 467 cfs optimal
Carson River — East ForkNV—Blue-Winged Olive
Flow: 411 cfs optimal
Chattahoochee River — Metro AtlantaGA—Caddis
Water: 73°F ✓Flow: 1,030 cfs optimal
Chattooga RiverNC—Blue-Winged Olive
Flow: 464 cfs low
Chattooga River — MainSC—Blue-Winged Olive (BWO)
Flow: 464 cfs low
Chattooga River — SC SectionSC—Caddis
Flow: 464 cfs low
Chippewa RiverMI—Blue-Winged Olive (BWO)
Flow: 193 cfs optimal
Chipuxet RiverRI—Blue-Winged Olive
Flow: 7.76 cfs low
Citico CreekTN—Blue-Winged Olive
Clark ForkMT—Blue-Winged Olive
Water: 55°F ✓Flow: 9,090 cfs optimal
Clarks Fork YellowstoneWY—Blue-Winged Olive
Flow: 4,030 cfs high
Clinch River — Norris TailwaterTN—Blue-Winged Olive
Colorado River — Glenwood CanyonCO—Blue-Winged Olive
Water: 57°F ✓Flow: 1,460 cfs low
Colorado River — Glenwood CanyonCO—Blue-Winged Olive (BWO)
Water: 57°F ✓Flow: 1,460 cfs low
Colorado River — UpperCO—Blue-Winged Olive (BWO)
Water: 68°F ✓Flow: 281 cfs low
Connecticut RiverNH—Blue-Winged Olive
Flow: 5,560 cfs optimal
Connecticut RiverNH—Hendrickson
Flow: 5,560 cfs optimal
Contoocook RiverNH—Blue-Winged Olive
Flow: 461 cfs optimal
Coosawattee RiverGA—Caddis
Flow: 660 cfs optimal
Cranberry RiverWV—Blue-Winged Olive
Water: 64°F ✓Flow: 81.6 cfs low
Crystal RiverCO—Blue-Winged Olive
Flow: 686 cfs optimal
Crystal River (Glen Arbor)MI—Blue-Winged Olive (BWO)
Cumberland River — Wolf Creek TailwaterKY—Blue-Winged Olive
Flow: 236 cfs low
Davidson RiverNC—Blue-Winged Olive (BWO)
Water: 65°F ✓Flow: 87.3 cfs optimal
Deerfield RiverMA—Blue-Winged Olive
Flow: 340 cfs low
Deerfield RiverMA—Hendrickson
Flow: 340 cfs low
Delaware River — Delaware Water GapNJ—Hendrickson
Water: 70°F ✓Flow: 2,630 cfs low
Delaware River — UpperPA—Blue-Winged Olive (BWO)
Delaware River — UpperNY—Blue-Winged Olive (BWO)
Water: 68°F ✓Flow: 1,440 cfs low
Deschutes RiverOR—Blue-Winged Olive
Water: 54°F ✓Flow: 3,690 cfs optimal
Dismal RiverNE—Blue-Winged Olive
Water: 72°F ✓Flow: 273 cfs optimal
Dolores RiverUT—Blue-Winged Olive
Water: 75°F ✓Flow: 190 cfs low
Dowagiac RiverMI—Blue-Winged Olive (BWO)
Flow: 254 cfs optimal
Dry ForkWV—Blue-Winged Olive
Flow: 292 cfs optimal
Dry ForkWV—Hendrickson
Flow: 292 cfs optimal
Eagle RiverCO—Blue-Winged Olive
Flow: 706 cfs optimal
East Walker RiverNV—Blue-Winged Olive
Flow: 183 cfs high
Eleven Point RiverMO—Blue-Winged Olive
Flow: 503 cfs optimal
Ellis RiverNH—Blue-Winged Olive
Esopus CreekNY—Blue-Winged Olive (BWO)
Water: 67°F ✓Flow: 417 cfs optimal
Farmington RiverCT—Hendrickson
Flow: 340 cfs optimal
Fryingpan RiverCO—Blue-Winged Olive (BWO)
Flow: 110 cfs low
Gallatin RiverMT—Blue-Winged Olive
Flow: 1,860 cfs optimal
Green River — Flaming GorgeWY—Blue-Winged Olive
Water: 67°F ✓Flow: 754 cfs low
Green River — Lodore CanyonCO—Blue-Winged Olive (BWO)
Water: 52°F ✓Flow: 963 cfs low
Green River NarrowsNC—Caddis
Greenbrier RiverWV—Blue-Winged Olive (BWO)
Flow: 1,120 cfs optimal
Greys RiverWY—Blue-Winged Olive
Flow: 1,070 cfs optimal
Gunnison River — MainCO—Blue-Winged Olive (BWO)
Water: 71°F ✓Flow: 554 cfs low
Gunpowder FallsMD—Blue-Winged Olive
Flow: 82.3 cfs optimal
Gunpowder FallsMD—Hendrickson
Flow: 82.3 cfs optimal
Hatchery CreekKY—Blue-Winged Olive
Hazel CreekNC—Blue-Winged Olive
Henry's ForkID—Blue-Winged Olive
Flow: 1,100 cfs optimal
Hoback RiverWY—Blue-Winged Olive
Water: 55°F ✓Flow: 1,180 cfs optimal
Housatonic RiverCT—Hendrickson
Flow: 409 cfs optimal
Hunt RiverRI—Blue-Winged Olive
Jackson RiverVA—Blue-Winged Olive
Water: 65°F ✓
Jackson River — Lake Moomaw TailwaterVA—Blue-Winged Olive
Water: 65°F ✓
Jemez RiverNM—Blue-Winged Olive
Water: 32°F (need 45°F)Flow: 9.05 cfs low
Jordan RiverMI—Blue-Winged Olive (BWO)
Flow: 189 cfs optimal
Kalamazoo RiverMI—Blue-Winged Olive (BWO)
Flow: 718 cfs optimal
Kettle CreekPA—Blue-Winged Olive (BWO)
Flow: 191 cfs optimal
Kettle CreekPA—March Brown
Flow: 191 cfs optimal
Kickapoo RiverWI—Blue-Winged Olive
Flow: 185 cfs low
Kickapoo RiverWI—Hendrickson
Flow: 185 cfs low
Kings RiverCA—Blue-Winged Olive (BWO)
Lackawaxen RiverPA—Blue-Winged Olive (BWO)
Water: 69°F ✓Flow: 175 cfs low
Lamoille RiverVT—Blue-Winged Olive
Flow: 586 cfs optimal
Lamoille RiverVT—Hendrickson
Flow: 586 cfs optimal
Lehigh RiverPA—Hendrickson
Flow: 830 cfs optimal
Linville RiverNC—Caddis
Flow: 75 cfs low
Little Juniata RiverPA—Blue-Winged Olive (BWO)
Flow: 273 cfs optimal
Little Juniata RiverPA—March Brown
Flow: 273 cfs optimal
Little Manistee RiverMI—Blue-Winged Olive (BWO)
Little Muskegon RiverMI—Blue-Winged Olive (BWO)
Water: 66°F ✓Flow: 156 cfs optimal
Logan RiverUT—Blue-Winged Olive
Flow: 303 cfs optimal
Lower Mountain ForkOK—Caddis
Water: 75°F ✓Flow: 371 cfs optimal
Loyalsock CreekPA—Blue-Winged Olive (BWO)
Mad RiverOH—Blue-Winged Olive
Flow: 256 cfs optimal
Mad RiverVT—Blue-Winged Olive
Flow: 233 cfs optimal
Mad RiverVT—Hendrickson
Flow: 233 cfs optimal
Madison RiverMT—Blue-Winged Olive
Water: 62°F ✓Flow: 1,590 cfs optimal
Maple RiverMI—Blue-Winged Olive (BWO)
McKenzie RiverOR—Blue-Winged Olive
Water: 56°F ✓Flow: 2,140 cfs optimal
Merced RiverCA—Blue-Winged Olive
Water: 58°F ✓Flow: 765 cfs optimal
Middle Loup RiverNE—Blue-Winged Olive
Flow: 500 cfs optimal
Missisquoi RiverVT—Blue-Winged Olive
Flow: 1,290 cfs optimal
Missouri River — Upper Missouri BreaksMT—Blue-Winged Olive
Water: 61°F ✓Flow: 7,660 cfs optimal
Mokelumne RiverCA—Blue-Winged Olive
Moose RiverNY—Blue-Winged Olive (BWO)
Mossy CreekVA—Blue-Winged Olive
Musconetcong RiverNJ—Blue-Winged Olive
Flow: 75.2 cfs low
Musconetcong RiverNJ—Hendrickson
Flow: 75.2 cfs low
Muskegon RiverMI—Blue-Winged Olive (BWO)
Water: 63°F ✓Flow: 1,770 cfs optimal
Natchaug RiverCT—Blue-Winged Olive
Flow: 123 cfs optimal
Natchaug RiverCT—Hendrickson
Flow: 123 cfs optimal
Neversink RiverNY—Blue-Winged Olive
Water: 63°F ✓Flow: 82.5 cfs optimal
Neversink RiverNY—March Brown
Water: 63°F ✓Flow: 82.5 cfs optimal
Niobrara RiverNE—Blue-Winged Olive
Water: 78°F ✓Flow: 777 cfs optimal
Nolichucky River — NC SectionNC—Caddis
North Branch PotomacWV—Blue-Winged Olive (BWO)
Water: 58°F ✓Flow: 305 cfs low
North Fork White RiverMO—Blue-Winged Olive
Flow: 770 cfs optimal
North Platte River — Northgate CanyonWY—Blue-Winged Olive
Flow: 433 cfs low
Oak CreekAZ—Blue-Winged Olive
Water: 68°F ✓Flow: 28 cfs low
Ocqueoc RiverMI—Blue-Winged Olive (BWO)
Otter CreekVT—Blue-Winged Olive
Flow: 440 cfs optimal
Paulins KillNJ—Blue-Winged Olive
Flow: 47.2 cfs low
Paulins KillNJ—Hendrickson
Flow: 47.2 cfs low
Pecos RiverNM—Blue-Winged Olive
Flow: 7.7 cfs low
Pemigewasset RiverNH—Blue-Winged Olive
Flow: 1,770 cfs optimal
Pemigewasset RiverNH—Hendrickson
Flow: 1,770 cfs optimal
Penns CreekPA—Blue-Winged Olive
Flow: 283 cfs optimal
Penns CreekPA—Grannom Caddis
Flow: 283 cfs optimal
Penns CreekPA—March Brown
Flow: 283 cfs optimal
Pere Marquette RiverMI—Blue-Winged Olive (BWO)
Flow: 653 cfs optimal
Pigeon RiverMI—Blue-Winged Olive (BWO)
Flow: 75.8 cfs low
Pine CreekPA—Blue-Winged Olive
Water: 69°F ✓Flow: 818 cfs optimal
Pine CreekPA—Hendrickson
Water: 69°F ✓Flow: 818 cfs optimal
Pine RiverMI—Blue-Winged Olive (BWO)
Water: 60°F ✓Flow: 216 cfs optimal
Pine RiverWI—Blue-Winged Olive
Pit RiverCA—Blue-Winged Olive (BWO)
Potomac River — South BranchVA—Blue-Winged Olive (BWO)
Water: 73°F ✓Flow: 969 cfs optimal
Provo RiverUT—Blue-Winged Olive
Water: 65°F ✓Flow: 197 cfs low
Quinnipiac RiverCT—Blue-Winged Olive
Flow: 82 cfs low
Rapid CreekSD—Blue-Winged Olive
Flow: 42.8 cfs low
Rapidan RiverVA—Hendrickson
Flow: 219 cfs optimal
Rapidan RiverVA—March Brown
Flow: 219 cfs optimal
Red Clay CreekDE—Blue-Winged Olive
Water: 71°F ✓Flow: 26.7 cfs low
Red RiverNM—Blue-Winged Olive
Flow: 30.6 cfs low
Rio ChamaNM—Blue-Winged Olive
Flow: 76.8 cfs low
Rio Grande — Taos BoxNM—Blue-Winged Olive
Flow: 216 cfs low
Roaring Fork RiverCO—Blue-Winged Olive
Water: 57°F ✓Flow: 1,460 cfs low
Root RiverMN—Blue-Winged Olive
Flow: 772 cfs optimal
Root RiverMN—Hendrickson
Flow: 772 cfs optimal
Sacandaga RiverNY—Blue-Winged Olive (BWO)
Flow: 516 cfs optimal
Saco RiverNH—Quill Gordon / Hendrickson
Flow: 1,420 cfs optimal
Sacramento RiverCA—Blue-Winged Olive
Flow: 12,300 cfs optimal
Salmon RiverCT—Blue-Winged Olive
xxxx
Flow: 58.8 cfs low
Salmon RiverCT—Hendrickson
xxxx
Flow: 58.8 cfs low
Saluda RiverSC—Caddis
Water: 62°F ✓Flow: 819 cfs optimal
San Antonio CreekNM—Blue-Winged Olive
San Juan RiverUT—Blue-Winged Olive
Water: 76°F ✓Flow: 1,150 cfs optimal
Reliable hatches — fish key on emergers
Sandy RiverOR—Blue-Winged Olive
Water: 63°F ✓Flow: 982 cfs optimal
Savage RiverMD—Blue-Winged Olive
Water: 60°F ✓Flow: 38.9 cfs low
Seneca CreekWV—Blue-Winged Olive
Seneca CreekWV—Hendrickson
Shavers ForkWV—Blue-Winged Olive (BWO)
Flow: 207 cfs optimal
Shepaug RiverCT—Blue-Winged Olive
Shepaug RiverCT—Hendrickson
Shoshone RiverWY—Blue-Winged Olive
Water: 67°F ✓Flow: 635 cfs low
Sipsey ForkAL—Caddis
Water: 68°F ✓Flow: 162 cfs low
Slate RunPA—Blue-Winged Olive
Flow: 455 cfs high
Slate RunPA—Hendrickson
Flow: 455 cfs high
Slate RunPA—Grannom Caddis
Flow: 455 cfs high
Snake River — Snake River CanyonWY—Blue-Winged Olive
Water: 54°F ✓Flow: 11,400 cfs optimal
South Fork Boise RiverID—Blue-Winged Olive
South Platte RiverCO—Blue-Winged Olive (BWO)
Flow: 218 cfs low
South River — WaynesboroVA—Blue-Winged Olive
Flow: 37.8 cfs low
South Toe RiverNC—Blue-Winged Olive
Flow: 73.8 cfs optimal
Spearfish CreekSD—Blue-Winged Olive
Flow: 46.6 cfs low
Spring CreekPA—Blue-Winged Olive
Flow: 83 cfs optimal
Stanislaus RiverCA—Blue-Winged Olive
Water: 55°F ✓
Stillwater RiverMT—Blue-Winged Olive
Sturgeon RiverMI—Blue-Winged Olive (BWO)
Flow: 228 cfs optimal
Swift RiverNH—Blue-Winged Olive
Taylor RiverCO—Blue-Winged Olive (BWO)
Water: 55°F ✓Flow: 319 cfs optimal
Tieton RiverWA—Blue-Winged Olive
Truckee RiverNV—Blue-Winged Olive
Flow: 541 cfs optimal
Truckee RiverCA—Blue-Winged Olive (BWO)
Water: 60°F ✓Flow: 775 cfs optimal
Tuckasegee RiverNC—Caddis
Flow: 1,000 cfs optimal
Tuolumne RiverCA—Blue-Winged Olive
Water: 58°F ✓Flow: 1,090 cfs optimal
Turkey RiverIA—Blue-Winged Olive
Water: 76°F ✓Flow: 840 cfs optimal
Upper Iowa RiverIA—Blue-Winged Olive
Flow: 584 cfs optimal
Upper Iowa RiverIA—Hendrickson
Flow: 584 cfs optimal
Upper NantahalaNC—Blue-Winged Olive (BWO)
Flow: 174 cfs low
Volga RiverIA—Blue-Winged Olive
Flow: 226 cfs optimal
Walker RiverNV—Blue-Winged Olive
Water: 78°F ✓Flow: 84.6 cfs optimal
Watauga RiverNC—Caddis
Flow: 64.9 cfs low
Weber RiverUT—Blue-Winged Olive
Flow: 351 cfs optimal
West Branch Ausable RiverNY—Blue Quill
Flow: 511 cfs optimal
West Branch Ausable RiverNY—Hendrickson
Flow: 511 cfs optimal
West RiverVT—Blue-Winged Olive
Flow: 107 cfs low
West RiverVT—Hendrickson
Flow: 107 cfs low
Westfield RiverMA—Blue-Winged Olive
Flow: 276 cfs low
Westfield RiverMA—Hendrickson
Flow: 276 cfs low
White Clay CreekDE—Blue-Winged Olive
Water: 74°F ✓Flow: 37.5 cfs low
White RiverMI—Blue-Winged Olive (BWO)
Flow: 374 cfs optimal
White RiverVT—Blue-Winged Olive
Flow: 1,270 cfs optimal
White RiverVT—Hendrickson
Flow: 1,270 cfs optimal
Whitewater RiverMN—Blue-Winged Olive
Williams RiverWV—Blue-Winged Olive (BWO)
Flow: 122 cfs optimal
Willowemoc CreekNY—March Brown
Water: 65°F ✓Flow: 55.3 cfs low
Wilson CreekNC—Blue-Winged Olive
Wind RiverWY—Blue-Winged Olive
Flow: 351 cfs low
Winooski RiverVT—Blue-Winged Olive
Flow: 731 cfs optimal
Wood RiverRI—Blue-Winged Olive
Flow: 29.7 cfs low
Wood RiverRI—Hendrickson
Flow: 29.7 cfs low
Yellow River State ForestIA—Blue-Winged Olive
Flow: 164 cfs optimal
Yellowstone RiverMT—Blue-Winged Olive
Water: 57°F ✓Flow: 10,000 cfs optimal
Youghiogheny RiverPA—Hendrickson
Water: 65°F ✓Flow: 343 cfs low
Youghiogheny River — Maryland SectionMD—Blue-Winged Olive
Flow: 162 cfs low
Yuba RiverCA—Blue-Winged Olive
Flow: 1,190 cfs optimal