What flies are hatching on the Ausable River (Main Stem) right now?

Current and seasonal hatches on the Ausable River (Main Stem) include Hendrickson, March Brown, Green Drake. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Ausable River (Main Stem)?

The Ausable River (Main Stem) is running at 328 CFS at the Near Au Sable Forks (combined main stem) gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Ausable River (Main Stem) fishable today?

Yes — Ausable River (Main Stem) is rated fishable right now. Current flow is 328 CFS at the Near Au Sable Forks (combined main stem) gauge.

Ausable River (Main Stem) Fly Fishing Conditions

Live Conditions

Ausable River (Main Stem) — Near Au Sable Forks (combined main stem)

Fishable

328CFS

Discharge

1.56ft

Gauge Height

—

Water Temp

Updated 1 hr agoView on USGS ↗

7-Day Flow

↓ Falling

RisingFallingStable

24-Hr Pressure

29.15 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

67°FClear sky

Wind 3 mph29.15 inHg Low & stable

Tough conditions — fish deep

Today

🌦️

Drizzle

83° / 67°

0.01"

Tomorrow

🌧️

Rain

79° / 64°

0.43"

Tue

🌤️

Mainly clear

82° / 60°

Wed

☁️

Overcast

90° / 63°

Rain in forecast — expect rising, off-color water in 12–24 hrs.

Weather by Open-Meteo · No API key · Updated every 30 min

What should I fish today?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

9

Time of Day

Using: 328 CFS · ISONYCHIA peak. Terrestrials. Sparse midday hatches — opportunistic trout crush attractor dries. Famous gorge dry-fly water.

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Ausable River (Main Stem) conditions.

🪰 Hatch Calendar

Ausable River (Main Stem) · August · Late Summer

Full calendar →

Showing typical dates — water temperature data unavailable for live hatch predictions.

Select month

JanDec

ISONYCHIA peak. Terrestrials. Sparse midday hatches — opportunistic trout crush attractor dries. Famous gorge dry-fly water.

Terrestrials

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

About Ausable River (Main Stem)

The combined Ausable below the East–West Branch confluence — a famous fly-fishing destination running through the Wilmington and Lake Placid corridor. Gorge sections offer dramatic dry-fly water, and spring lake-run Atlantic salmon (NYSDEC Lake Champlain recovery) supplement resident brown, rainbow, and brook trout.

HendricksonMarch BrownGreen DrakeSulphurLight CahillIsonychiaStonefliesCaddisBlue-Winged OliveMidge

Regulations

Adirondack Park regulations apply — check NYSDEC for current special regulation waters. Fly-fishing-only and no-kill sections in the gorge. Lake Champlain tributary rules apply for lake-run species seasonally. Requires NYSDEC license.

Learn More

Guides to help you fish Ausable River (Main Stem) with more confidence.