What is the current flow on Thunder Bay?
Thunder Bay is currently flowing at 397 cfs at USGS gauge 04133501 as of Oct 3, 9:30 PM UTC.
Flow is 397 cfs.
USGS 04133501 is a public stream gauge on Thunder Bay in Michigan. Waderly uses this page as the canonical landing page for flow, water level, and fishing-condition checks on this water. There are 8 nearby gauges linked from this page for watershed context.
The NOAA forecast for Thunder Bay is not available on this page yet. Open Thunder Bay on the Waderly map for the live forecast.
Waderly combines real-time USGS stream gauges with weather, barometric pressure trends, and solunar activity so you know what the water is doing before you go. The "typical" comparison above is an approximation based on the historical daily median flow for this date at this gauge.
Thunder Bay is currently flowing at 397 cfs at USGS gauge 04133501 as of Oct 3, 9:30 PM UTC.
This USGS gauge is not currently reporting water temperature for Thunder Bay, so this page does not show a live water-temperature reading.
Nearby gauges worth checking include AU SABLE RIVER NEAR MC KINLEY, MI (36.7 miles away), PIGEON RIVER AT PIGEON RIVER HQ NR VANDERBILT, MI (39.3 miles away), AU SABLE RIVER NEAR CURTISVILLE, MI (39.8 miles away). Comparing nearby gauges helps confirm whether conditions are changing upstream or across the watershed.
Get a free alert the moment Thunder Bay hits your window — the right flow, temperature, and conditions — instead of refreshing this page. Waderly watches the gauge so you don't have to.
Set a free flow alert for Thunder Bay