Waters · United States
Lake St. Clair fishing report
Updated Sunday, 23 August 2026 · refreshed several times daily
Pound for pound the best smallmouth water on Earth, and statistically the densest muskie fishery anywhere — a shallow, clear pass-through lake the big predators never leave.
Today's report: good (73/100)
Smallmouth Bass is the most promising species on Lake St. Clair today. Water temperature is around 17.2°C and barometric pressure is rising.
Best time to fish today
- 14:00–16:00 local time — score 69/100
- 17:00–19:00 local time — score 73/100
- 05:00–07:00 local time — score 64/100
3-day outlook by species
| Species | Sunday 23 Aug | Monday 24 Aug | Tuesday 25 Aug |
|---|---|---|---|
| Smallmouth Bass | 73 — good | 77 — good | 76 — good |
| Muskellunge | 53 — fair | 55 — fair | 59 — fair |
| Walleye | 66 — good | 62 — good | 68 — good |
Why this score
Cast & Scan uses a deterministic, published scoring model — no black box. The strongest influences on today's Lake St. Clair rating:
- water temperature: helping (+1)
- light: helping (+1)
- precipitation: helping (+0.9)
- season: helping (+0.85)
- cloud cover: helping (+0.8)
- wind: helping (+0.75)
Forecast computed Sun, 23 Aug 2026 12:54:56 GMT · data: Open-Meteo · refreshed several times daily · see our published accuracy
Scan your exact spot
This page rates a representative point on Lake St. Clair. Bays, river mouths and depth changes can fish very differently — open the scanner, drop a pin on your exact swim and get a spot-specific forecast with tactics. Free, in the browser, no signup.
Wondering how this stacks up against the apps you already know? Cast & Scan vs Fishbrain vs BassForecast — an honest comparison, including where they beat us.
Nearby waters
- Lake Erie (Western Basin) — Ohio, USA (86 km away)
- Green Bay — Wisconsin, USA (482 km away)
- Bay of Quinte — Ontario, Canada (482 km away)
- Susquehanna River — Pennsylvania, USA (547 km away)