Au Sable River MI fishing forecast
Au Sable River MI is a freshwater fishing spot in Michigan, United States. Anglers here target Brown Trout, Rainbow Trout, Brook Trout. The most productive months are typically April, May, June, July, August, September.
Today’s verdict
Trending up — 3 points above this spot’s 7-day average
Score confidence ±12 points, from 6 live signals
Current conditions
Live conditions are temporarily unavailable for this spot (last data Oct 1, 2026). Seasonal and regulation info below is unaffected.
What the score means at Au Sable River MI
Au Sable River MI currently scores 68 out of 100 (Good). Water temperature is 16.8 °C. 6 forecast signals are active in this score.
- Water temperature +15.0
- how close the water is to this species mix’s comfort band
- Wind +12.0
- surface chop, oxygen and bait drift
- Barometric pressure +4.4
- falling pressure often triggers feeding
- Pre-storm bite +2.4
- the classic feed before heavy weather
- Moon phase +1.9
- lunar feeding rhythm
- Gust factor +1.6
- gustiness versus steady wind
What’s biting now
The model expects today: rainbow-trout, walleye, smallmouth-bass, brown-trout, yellow-perch, brook-trout, northern-pike, sauger
Bite windows
Best months for Au Sable River MI:
Score history at this spot
10 days tracked at this exact location
Best recent day: 2026-07-30, 77/100
2 day(s) at 70+ in the tracked period
About this spot
Rivers are flow-driven. Fish the seams, eddies, and structure where current breaks, where fish hold to conserve energy and ambush bait.
Access & shore
Fishable from shore · estuary
What you can catch
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Salmo trutta
-
Oncorhynchus mykiss
-
Salvelinus fontinalis
Best months by species at Au Sable River MI
| Brown TroutSalmo trutta | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainbow TroutOncorhynchus mykiss | ||||||||||||
| Brook TroutSalvelinus fontinalis |
Typical months; local seasons and closures apply.
Local regulations
Licensing:
- saltwater-recreational — residents Federal Recreational Fishing License may be required in addition to state license when fishing federal (EEZ) waters., non-residents Same as residents. Many states require their own license even in federal waters.
Some rules may have changed since our last verification — always confirm with the authority before you fish.
FishRadar regulations are summaries only. Federal and state waters rules overlap — always verify current federal and state agency rules before fishing.
Check Au Sable River MI before you go
Live scores update through the day. Get the full forecast, bite windows, and your own saved spots in the FishRadar app.
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Nearby spots
Explore 10 more fishing spots within 400 km of Au Sable River MI.
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Saginaw Bay MI
Big Bay de Noc MI
Little Bay de Noc MI
Green Bay WI
Lake Huron Georgian Bay
Lake Winnebago WI
Lake Michigan Chicago Waters
Lake Erie OH
Lake Erie Sandusky
Lake Michigan Chicago
Frequently asked questions
What fish can you catch at Au Sable River MI?
Anglers at Au Sable River MI target Brown Trout, Rainbow Trout and Brook Trout.
When is the best time to fish Au Sable River MI?
The most productive months at Au Sable River MI are typically April, May, June, July, August, September.
What is the fishing forecast for Au Sable River MI right now?
Au Sable River MI currently scores 68 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.
Can you fish Au Sable River MI from shore?
Yes — Au Sable River MI is fishable from shore (estuary).
Is the thermocline set up at Au Sable River MI right now?
Not strongly right now — the water column is fairly mixed, so fish are less depth-locked.
Fishing guides for this spot
- How to Catch TroutHow to Catch Rainbow Trout in Stocked Lakes and PondsBest Time of Day to Fish
Forecasts, not guarantees — check local rules before you fish.