Delaware River Report: September 25, 2026

The release from Cannonsville is 475 cfs. We’re coming off another cold night and the water temps are in great shape. All of the rivers in the system look good. Today looks sunny and we’ll have some wind to contend with. Small olive have made up most of the hatch but there are some Cahills and sporadic Isonychias out there. We’ve seen more Isonychia spinners than duns in the last week. The West Branch has a greenish tint to it that is likely the reservoir turning. The fish and bugs don’t mind it and its actually better for streamer fishing.

Today will be 71 degrees with a mix of clouds and sun. Wind will be 10 – 20 mph from the North.



What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Olive Sulphur – 18 – 20 – Heptagenia hebe
Tan Caddis – #16 – 20 – Hydrosyche sp
Light Cahill – #14 – Epeorus vitreus, Ephemerella invaria, Stenacron spp.
Slate Drake – #12 – 14 – 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, NY467 cfs50°
West Branch at Hale Eddy, NY581 cfs50°
East Branch at Harvard, NY198 cfs49°
East Branch at Fishs Eddy, NYN/A N/A
East Branch at Hancock, NY479 cfs57°
Mainstem at Lordville, NY1,250 cfs58°
Beaverkill at Cooks Falls, NY179 cfs54°
West Branch at 191 Bridge54°
West Branch at Walton (Cannonsville inflow)194 cfs54°
Cannonsville Reservoir Release 475 cfs
Cannonsville Reservoir Capacity74.2%
Pepacton Reservoir Capacity82%

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