What is the current flow on Au Sable River?

Au Sable River was running 1,510 cubic feet per second as of Aug 1, 2026, 6:15 PM UTC, measured at USGS gauge 04137005. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

What is the water temperature on Au Sable River?

76.1°F (24.5°C) as of Aug 1, 2026, 6:30 PM UTC, at USGS gauge 04137500. Au Sable River carries no state trout classification, so the trout-stress thresholds do not apply to it — this is a water temperature measurement, not a fishery judgement.

Au Sable River

Michigan. Streamflow and water-temperature readings from USGS gauges. Running 1,510 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

1,510

cubic feet / second

76.1°F

water temperature (24.5°C)

USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 04137005. Temperature measured Aug 1, 2026, 6:30 PM UTC at gauge 04137500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Au Sable River

Gauge	Station	Water temp?
04136000	AU SABLE RIVER NEAR RED OAK, MI	Yes
04136500	AU SABLE RIVER AT MIO, MI	Yes
04136900	AU SABLE RIVER NEAR MC KINLEY, MI	Yes
04137005	AU SABLE RIVER NEAR CURTISVILLE, MI	Yes
04137500	AU SABLE RIVER NEAR AU SABLE, MI	Yes

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Conditions: USGS NWIS (public domain).