59.9–66.2 °F across 4 gauges on the Muskegon River, read from USGS and re-read when this page loaded. No reporting stretch is in the cold band right now, so fish the first hours of light and the tributary mouths. September is Blue-Winged Olive, Cranefly, Green Rock Worm / Green Weenie and Caterpillar in this region — 17 insects are recorded as active.
| Gauge | Reading | July mean | Read at |
|---|---|---|---|
| Big Rapids | 59.9 °F | 72.9 °F | 30 Sep 2026, 13:30 UTC |
| Stanwood | 61.5 °F | 74.3 °F | 30 Sep 2026, 13:30 UTC |
| Oxbow | 66.2 °F | 66.0 °F | 30 Sep 2026, 13:30 UTC |
| Croton | 66.0 °F | 70.8 °F | 30 Sep 2026, 13:45 UTC |
Read from USGS instantaneous values when this page was built, and rebuilt nightly. The colour is the same four-band scale the map paints from.
| Insect | Hook | Active at |
|---|---|---|
| Blue-Winged Olive | #16–22 | 38–58 °F |
| Cranefly | #6–10 | 40–65 °F |
| Green Rock Worm / Green Weenie | #10–14 | 45–68 °F |
| Caterpillar | #8–14 | 55–75 °F |
| Crayfish | #4–8 | 55–78 °F |
| Black Ant | #14–20 | 55–80 °F |
| Isonychia / Slate Drake | #10–14 | 55–70 °F |
| Leafhopper | #18–22 | 58–75 °F |
| Little Yellow May | #16–18 | 58–70 °F |
| Grasshopper | #8–12 | 60–80 °F |
| Trico | #20–24 | 58–72 °F |
| White Miller | #14–18 | 60–74 °F |
| Cinnamon Flying Ant | #16–20 | 58–78 °F |
| Cricket | #10–14 | 55–75 °F |
| Mahogany Dun | #16–18 | 45–58 °F |
| October Caddis | #8–10 | 45–58 °F |
| Water Boatman | #14–18 | 45–65 °F |
This is one river. The Michigan report covers every region at once, and is refreshed at the same time as this page.
Muskegon River — live water temperature, regulations and access