Delaware River Report / Conditions July 17, 2019

Jul 17, 2019 Comments Off by

Yesterday’s 20% chance of storms turned into some thunder and a few brief but heavy downpours going into prime time.  That added some fog and made fishing difficult as the sulphurs were hatching.  The flow at Hale Eddy bumped to 800 cfs but is already falling back this morning.  The color looks good.  The West should settle in like nothing happened if today’s rain misses us.  Sulphurs, olives, and isonychias.  The East side flows also bumped up but unless you’re fishing above Harvard they are all too hot to fish for trout.  Wunderground is calling for thunderstorms this afternoon with 1/2″ of rain.  These storms are usually hit or miss.  If there is a big flow change due to runoff we’ll do another update.


Flows are fine this morning for wading and floating

Flows are fine this morning for wading and floating

The Beaverkill at Cooks Falls, the East Branch at Fishs Eddy, and the Mainstem at Lordville are all starting off today too hot to fish for trout.  If you’re fishing for trout give those areas a break and fish in the cold water closer to the dams or the headwaters of the freestone rivers.

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Sulphur  – #16 – 18 – E. dorothea
Slate Drake
 – #12-2xl – 12 – Isonychia bicolor
Light Cahill – #14 – Stenocron spp.
Dark Blue Sedge – #14 – Psilotetra sp.
Tan Caddis – #16 – 18 – Hydropsyche sp.
Yellow Sally – #14 – Isoperla sp.
Dark Blue Wing Olives  – #16 – 20 – E. lata, deficiens
Light Blue Wing Olives – #16 – 20 – E. attenuata
Tiny Blue Winged Olives - #22 – 26- Pseudo sp.
Golden Stonefly - #8-2xl – Acroneuria sp.
Great Brown Stonefly – #6-2xl – 10-2xl – Pene capita
Green Caddis – #16 – Ryacophilia sp.
Little Tan Sedge – #16 – 18 – Glossosoma sp.

Click on the gauge below for the most recent update:

West Branch at Stilesville, NY 725 cfs 48°
West Branch at Hale Eddy, NY 761 cfs 50°
East Branch at Harvard, NY 222 cfs 60°
East Branch at Fish’s Eddy, NY 484 cfs 69°
Mainstem at Lordville, NY 1,370 cfs 68°
Beaverkill at Cooks Falls, NY 213 cfs 70°
Cannonsville Reservoir Release 650 cfs
West Branch at 191 Bridge N/A 59°
West Branch at Walton (Cannonsville inflow) 111 cfs
Cannonsville Reservoir Capacity 90.5%
Pepacton Reservoir Capacity 94.4%


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