River Reports

Delaware River Report: August 31, 2026

The release from Cannonsville is 500 cfs. Today looks like a good day to be on the water with light wind, clouds, and around .35″ of rain. It looks like an olive day. The last of the sulphurs in Deposit have been sporadic and unpredictable but some people have been finding a few fish on them. There are a few Isonychias and Cahills in the evening along with some hebes. The ants have been around – not in big numbers but they’re here. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 70 degrees with clouds and periods of light rain. Wind will be light and variable.



What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY507cfs49°
West Branch at Hale Eddy, NY581 cfs50°
East Branch at Harvard, NY175 cfs54°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY562 cfs65°
Mainstem at Lordville, NY1,300 cfs63°
Beaverkill at Cooks Falls, NY263 cfs62°
West Branch at 191 Bridge57°
West Branch at Walton (Cannonsville inflow)130 cfs65°
Cannonsville Reservoir Release500 cfs
Cannonsville Reservoir Capacity77.4%
Pepacton Reservoir Capacity88.3%

Delaware River Report: August 30, 2026

The release from Cannonsville is 500 cfs. We’ll have a few clouds this morning but should see more as the day goes on. If we do get a rainshower the total rainfall should only be .01″. The sulphurs are sporadic but people are finding them with fish eating. Olives and flying ants are putting some fish in the net along with blind casting Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 78 degrees with sun and clouds mixed early with increasing clouds in the afternoon. Wind will be 5 – 10 mph from the South.


Art with one on a sulphur dry yesterday

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY516 cfs48°
West Branch at Hale Eddy, NY591 cfs50°
East Branch at Harvard, NY177 cfs54°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY654 cfs65°
Mainstem at Lordville, NY1,420 cfs64°
Beaverkill at Cooks Falls, NY294 cfs62°
West Branch at 191 Bridge57°
West Branch at Walton (Cannonsville inflow)153 cfs64°
Cannonsville Reservoir Release500 cfs
Cannonsville Reservoir Capacity77.4%
Pepacton Reservoir Capacity88.3%

Delaware River Report: August 29, 2026

The release from Cannonsville is 549 cfs. The West Branch is in great shape this morning. We’re in for a sunny day. Flying ants were definitely on the menu yesterday on some river sections. The other rivers are dropping back and clearing after Thursday night’s rain. Olives and flying ants are putting some fish in the net along with blind casting Isonychias and Cahills. There are some hebes and olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 75 degrees with plenty of sunshine. Wind will be light and variable.


Marc DeJong with one on an ant. Tim Glynn photo

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY560 cfs48°
West Branch at Hale Eddy, NY658 cfs49°
East Branch at Harvard, NY198 cfs54°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY865 cfs64°
Mainstem at Lordville, NY1,760 cfs63°
Beaverkill at Cooks Falls, NY385 cfs61°
West Branch at 191 Bridge56°
West Branch at Walton (Cannonsville inflow)234 cfs64°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity77.4%
Pepacton Reservoir Capacity88.3%

Delaware River Report: August 28, 2026

The release from Cannonsville is 549 cfs. We had some pretty brief but violent thunderstorms push through yesterday evening. The West Branch came through just fine. The flow is up slightly to 679 cfs at Hale Eddy so we’re still at a good level for floating and wading. The river is clear in front of us. Olives and flying ants are putting some fish in the net along with blind casting Isonychias and Cahills. There are some hebes and olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 76 degrees with clouds early turning partly cloudy in the afternoon. Wind will be 5 – 10 mph from the North.


The West Branch is still at a good level this morning

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY570 cfs48°
West Branch at Hale Eddy, NY679 cfs51°
East Branch at Harvard, NY211 cfs55°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY1,090 cfs66°
Mainstem at Lordville, NY1,990 cfs64°
Beaverkill at Cooks Falls, NY730 cfs63°
West Branch at 191 Bridge59°
West Branch at Walton (Cannonsville inflow)204 cfs68°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity77.5%
Pepacton Reservoir Capacity88.5%

Delaware River Report: August 27, 2026

The release from Cannonsville is 549 cfs. We woke up to some scattered rain showers but not enough to bump the flows. We may have some afternoon thunderstorms so keep an eye on the radar. The cloud cover and rain could push the olives and hebes. Olives and flying ants are putting some fish in the net along with blind casting Isonychias and Cahills. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 78 degrees with clouds early and thunderstorms in the afternoon. Total rainfall should be .14″. Wind will be 5 – 10 mph from the South.


John with a nice rainbow yesterday. John Loughlin photo
Dick with a good brown. John Loughlin photo
And John with a brown. John Loughlin photo

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY570 cfs48°
West Branch at Hale Eddy, NY648 cfs49°
East Branch at Harvard, NY200 cfs55°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY457 cfs67°
Mainstem at Lordville, NY1,230 cfs64°
Beaverkill at Cooks Falls, NY203 cfs64°
West Branch at 191 Bridge57°
West Branch at Walton (Cannonsville inflow)121 cfs66°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity77.8%
Pepacton Reservoir Capacity88.8%

Delaware River Report: August 26, 2026

The release from Cannonsville is 549 cfs. We’ll have some sun today but no wind. It’ll be a little bit warmer but the nighttime air temps are still cool. Olives and flying ants are putting some fish in the net along with blind casting Isonychias and Cahills. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 79 degrees with a mix of clouds and sun. Wind will be light and variable.



What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY570 cfs48°
West Branch at Hale Eddy, NY653 cfs49°
East Branch at Harvard, NY198 cfs53°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY486 cfs65°
Mainstem at Lordville, NY1,260 cfs62°
Beaverkill at Cooks Falls, NY223 cfs63°
West Branch at 191 Bridge55°
West Branch at Walton (Cannonsville inflow)129 cfs68°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity78%
Pepacton Reservoir Capacity89.1%

Delaware River Report: August 25, 2026

The release from Cannonsville is 549 cfs. Wunderground is calling for clouds and a slight chance of some rain showers totalling .01″. So far it’s been sunny this morning. If the clouds roll in and we do get some light rain it could be a decent olive afternoon. There have been some flying ants most days bringing some fish to the surface. Some people have had some success blind casting Isonychias and Cahills. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 72 degrees with clouds and a chance of rain showers. Wind will be 5 – 10 mph from the North.



What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY560 cfs48°
West Branch at Hale Eddy, NY642 cfs49°
East Branch at Harvard, NY203 cfs54°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY523 cfs65°
Mainstem at Lordville, NY1,300 cfs62°
Beaverkill at Cooks Falls, NY239 cfs62°
West Branch at 191 Bridge55°
West Branch at Walton (Cannonsville inflow)138 cfs64°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity78.3%
Pepacton Reservoir Capacity89.4%

Delaware River Report: August 24, 2026

The release from Cannonsville is 549 cfs. Today looks like a good day to be on the water with clouds and a chance of light rain. The cool air temps are starting to help the water temps on some of the lower river sections. Hopefully this weather pattern sticks around. There have been some flying ants most days bringing some fish to the surface. The olives have been pretty good for the last few days too. Some people have had some success blind casting Isonychias and Cahills. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 72 degrees with clouds and a chance of rain showers. Wind will be 5 – 10 mph from the South.



What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY560 cfs48°
West Branch at Hale Eddy, NY653 cfs49°
East Branch at Harvard, NY208 cfs56°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY578 cfs66°
Mainstem at Lordville, NY1,370 cfs64°
Beaverkill at Cooks Falls, NY276 cfs64°
West Branch at 191 Bridge56°
West Branch at Walton (Cannonsville inflow)157 cfs65°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity79%
Pepacton Reservoir Capacity90.3%

Delaware River Report: August 23, 2026

The release from Cannonsville is 549 cfs. we’ve had a couple of rain showers move through this morning but so far nothing that will affect the flows. We may see a mix of everything with some rain showers, maybe a few thunderstorms, and some periods of sun peeking through. Yesterday was a decent olive day. Today should be too if we keep the clouds and some periods of light rain. Some people have had some success blind casting Isonychias and Cahills. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 76 degrees with a few rain showers. Wind will be 5 – 10 mph from the South.


Adam with a nice rainbow yesterday. Tim Glynn photo
Igor with his first Delaware trout. Tim Glynn photo

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY560 cfs48°
West Branch at Hale Eddy, NY658 cfs51°
East Branch at Harvard, NY211 cfs56°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY578 cfs67°
Mainstem at Lordville, NY1,390 cfs64°
Beaverkill at Cooks Falls, NY292 cfs64°
West Branch at 191 Bridge58°
West Branch at Walton (Cannonsville inflow)159 cfs67°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity79%
Pepacton Reservoir Capacity90.3%

Delaware River Report: August 22, 2026

The release from Cannonsville is 549 cfs. There’s some dense fog this morning that should burn off in the next hour or so. Then we’ll have some sunshine again. There was some mid morning dry fly action in the sun so keep a rod ready early just in case. Some people have had some success blind casting Isonychias and Cahills too. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 78 degrees and partly cloudy. Wind will be 5 – 10 mph from the South.


Luke with his first Delaware trout. Tim Glynn photo
Tim Glynn with one on a dry early in the day
Tim with another on a dry

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY560 cfs48°
West Branch at Hale Eddy, NY658 cfs49°
East Branch at Harvard, NY208 cfs55°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY636 cfs66°
Mainstem at Lordville, NY1,430 cfs65°
Beaverkill at Cooks Falls, NY306 cfs64°
West Branch at 191 Bridge57°
West Branch at Walton (Cannonsville inflow)168 cfs65°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity79%
Pepacton Reservoir Capacity90.3%

Delaware River Report: August 21, 2026

The release from Cannonsville is 549 cfs. Yesterday’s rain soaked in to the ground and most of the river flows are starting off the same as yesterday. The cloud cover and cool night have helped the water temps on the Beaverkill, East Branch, and Mainstem. Some people have had some success blind casting Isonychias and Cahills too. There are some flying ants around so keep a few in your box just in case. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 78 degrees with dense fog early. Once the fog burns off we’ll have sunshine. Wind will be 5 – 10 mph from the North.


Sean Swenson with a nice one yesterday. Photo by Sean
Sean with a nice one too. Sean Swenson photo

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY560 cfs48°
West Branch at Hale Eddy, NY663 cfs49°
East Branch at Harvard, NY216 cfs52°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY628 cfs64°
Mainstem at Lordville, NY1,420 cfs61°
Beaverkill at Cooks Falls, NY392 cfs61°
West Branch at 191 Bridge57°
West Branch at Walton (Cannonsville inflow)178 cfs63°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity79.2%
Pepacton Reservoir Capacity90.6%

Delaware River Report: August 20, 2026

The release from Cannonsville is 549 cfs. Today looks like another good day to be on the water with a few rain showers and light wind. Looks like a good olive day. Some people have had some suscess blind casting Isonychias and Cahills too. There are some flying ants around so keep a few in your box just in case. The mid day sulphurs are getting a bit spotty as the hatch wanes but there still are some out there. There are some olives mixed in plus a few Isonychias and Cahills. Stick to the lower West if you want to nymph. The algae has been bad up top making it a dry fly only game.

Today will be 71 degrees with a few showers early becoming steadier in the afternoon Total rainfall should be .35″. Wind will be light and variable.


Dan towards sunset. Peyton Van der LInden photo

What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 20 – Ephemerella dorothea
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12-2xl – 12 – Isonychia bicolor


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY560 cfs48°
West Branch at Hale Eddy, NY663 cfs49°
East Branch at Harvard, NY213 cfs56°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY636 cfs68°
Mainstem at Lordville, NY1,420 cfs65°
Beaverkill at Cooks Falls, NY311 cfs64°
West Branch at 191 Bridge60°
West Branch at Walton (Cannonsville inflow)176 cfs67°
Cannonsville Reservoir Release549 cfs
Cannonsville Reservoir Capacity79.4%
Pepacton Reservoir Capacity90.8%

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