Casco Bay Water Level

Live water level data from USGS monitoring gauge near Casco Bay. Monitoring conditions for 2 boat ramps.

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

Monitoring Gauges

Royal River at Yarmouth, Maine

USGS 01060000 · Stream gauge · 4.8 mi from nearest ramp

Full USGS data →

How Water Levels Affect Boat Ramp Access

Casco Bay has 2 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 Casco Bay. For detailed information on individual ramps, visit the Casco Bay boat ramps page.

Frequently Asked Questions

How do water levels affect boat ramp access at Casco Bay?

Casco Bay has 2 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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