Thunder Bay River Water Level
Live gauge height for Thunder Bay River, measured at USGS station THUNDER BAY RIVER AT HERRON ROAD NEAR BOLTON, MI (4.6 mi from the nearest mapped ramp).
Boat Ramps on Thunder Bay River (2)
- Alpena, Michigan Boat Launch — Alpena, Michigan
- Thunder Bay River Boat Ramp — Hillman Township, Michigan
Thunder Bay River Water Level FAQ
What is the water level of Thunder Bay River today?
The USGS gauge for Thunder Bay River (THUNDER BAY RIVER AT HERRON ROAD NEAR BOLTON, MI) currently reads a gauge height of 11.84 feet. Readings update throughout the day from USGS instrumentation.
Is Thunder Bay River high or low right now?
Compare today's reading with the 30-day chart above — a reading near the top of the range means high water, near the bottom means low water.
Where can I launch a boat on Thunder Bay River?
BoatLaunchMap lists 2 boat ramps on Thunder Bay River, each with directions, ratings, and launch details.
Data: U.S. Geological Survey, station 04133501. Gauge height is measured relative to the station datum, not lake depth. Always verify conditions on site before launching.