Au Sable River Water Level

Live water level data from USGS monitoring gauges near Au Sable River. Monitoring conditions for 11 boat ramps.

Water level data is temporarily unavailable. Check the USGS gauge page directly.

Monitoring Gauges

MANISTEE RIVER NEAR GRAYLING, MI

USGS 04123500 · Stream gauge · 9.4 mi from nearest ramp

Full USGS data →

SOUTH BRANCH AU SABLE RIVER NEAR LUZERNE, MI

USGS 04135700 · Stream gauge · 7.3 mi from nearest ramp

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NB AU SABLE RIVER AT KELLOGGS BR NEAR LOVELLS, MI

USGS 04135800 · Stream gauge · 3.5 mi from nearest ramp

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How Water Levels Affect Boat Ramp Access

Au Sable River has 11 public boat ramps. When water levels drop significantly below normal, concrete ramps may not extend to the waterline and natural or gravel launches can become impassable. Carry-in launches for kayaks and canoes are generally less affected by water level changes.

Check the current gauge reading above before trailering to Au Sable River. For detailed information on individual ramps, visit the Au Sable River boat ramps page.

Frequently Asked Questions

How do water levels affect boat ramp access at Au Sable River?

Au Sable River has 11 public boat ramps. When water levels are significantly below normal, some ramps may become difficult to use or inaccessible. Concrete ramps are generally usable at a wider range of water levels than natural or gravel launches.

Where does this water level data come from?

Water level data is provided by the U.S. Geological Survey (USGS) National Water Information System. Readings are updated approximately every 15 minutes from automated monitoring gauges. Data shown here is provisional and subject to revision.

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