Iosco County · stream · order 6 river · ~1,306 cfs typical
Au Sable River
Stocked 28× since 2025 · Michigan DNR
Au Sable River is a stream in Iosco County, Michigan, stocked with Atlantic Salmon, Brown Trout, Coho Salmon and Rainbow Trout — most recently on Jun 1, 2026. FishableWaters aggregates every stocking record for this water from Michigan DNR; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Overcast
76°
61°
11 mph
3%
Fri
Overcast
87°
66°
11 mph
23%
Sat
Drizzle
73°
65°
12 mph
65%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
| — 2026 — | ||||
| Jun 1 | Rainbow Trout | 5,076 | 19.5" | |
| May 20 | Rainbow Trout | 37,117 | 8.4" | |
| May 18 | Rainbow Trout | 34,133 | 19.1" | |
| May 13 | Atlantic Salmon | 29,498 | 19.4" | |
| May 11 | Atlantic Salmon | 7,750 | 16.97" | |
| Apr 29 | Rainbow Trout | 3,100 | 20.04" | |
| Apr 29 | Rainbow Trout | 3,099 | 20.04" | |
| Apr 28 | Rainbow Trout | 3,100 | 19.83" | |
| Apr 28 | Rainbow Trout | 5,699 | 19.49" | |
| Apr 28 | Brown Trout | 5,200 | 10.42" | |
| Apr 23 | Coho Salmon | 15,000 | 14.4" | |
| Apr 8 | Rainbow Trout | 20,520 | 19.7" | |
| Apr 8 | Rainbow Trout | 20,543 | 19.7" | |
| Apr 8 | Rainbow Trout | 35,162 | 19.3" | |
| — 2025 — | ||||
| May 20 | Rainbow Trout | 1,536 | 16" | |
| May 20 | Rainbow Trout | 29,882 | 18" | |
| May 15 | Atlantic Salmon | 11,828 | 16.69" | |
| May 15 | Atlantic Salmon | 13,450 | 16.69" | |
| May 12 | Rainbow Trout | 29,900 | 18.6" | |
| Apr 30 | Rainbow Trout | 3,100 | 19.57" | |
| Apr 29 | Brown Trout | 5,400 | 11.77" | |
| Apr 29 | Rainbow Trout | 5,700 | 20.16" | |
| Apr 29 | Rainbow Trout | 3,100 | 20.16" | |
| Apr 24 | Coho Salmon | 21,699 | 14.1" | |
| Apr 23 | Coho Salmon | 21,696 | 14.4" | |
| Apr 9 | Rainbow Trout | 25,543 | 20.1" | |
| Apr 9 | Rainbow Trout | 19,255 | 20.1" | |
| Apr 9 | Rainbow Trout | 19,149 | 20.1" | |
When does Au Sable River get stocked?
Going by 28 records since 2025, stocking here peaks in April.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Michigan waters with atlantic salmon → · All Michigan waters with brown trout →
Nearby waters
- Van Etten Creek1.8 mi
- Duell Lake2.7 mi
- Spencer Lake5.1 mi
- Van Etten Lake5.1 mi
- Allen Lake5.1 mi
- Pine River6.8 mi
- Cedar Lake8.1 mi
- Coppler Creek7.9 mi
Seasons, limits, and rules are the state's call — check the official MI regulations and buy your license before you go. We link the source; we never restate the rules.
Au Sable River fishing — FAQ
What fish are stocked in Au Sable River?+
Au Sable River is stocked with Atlantic Salmon, Brown Trout, Coho Salmon and Rainbow Trout in Iosco County, Michigan, most recently on Jun 1, 2026 by Michigan DNR. The full stocking ledger is on this page.
When does Au Sable River get stocked?+
Going by 28 records since 2025, stocking at Au Sable River peaks in April. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish Au Sable River?+
Yes — Michigan requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Au Sable River?+
Au Sable River is a stream in Iosco County, Michigan. Driving directions and an interactive topo map are on this page.
Data: Michigan DNR · updated Jun 1, 2026 · checked daily · we publish what agencies publish, nothing else.