What is the current flow on Thunder Bay?
Thunder Bay is currently flowing at 406 cfs at USGS gauge 04133501 as of Aug 19, 9:30 AM UTC.
Thunder Bay at Herron Road Near Bolton Water Level & Fishing Conditions
Water level (gauge height) · Live from USGS
11.86 ft
Flow 406 cfs · as of Aug 19, 9:30 AM UTC
Flow is 406 cfs.
Flow
406 cfs
Gauge Height
11.86 ft
Water Temp
temporarily unavailable
About This Gauge
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.
3-Day Weather Outlook
NOAA forecast data for Thunder Bay is not cached on this page yet. The live Waderly map forecast will populate first, and search crawlers can still see flow, gauge height, temperature, nearby gauges, and state-hub links here.
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.
Nearby Gauges
- AU SABLE RIVER NEAR MC KINLEY, MI · 36.7 mi
- PIGEON RIVER AT PIGEON RIVER HQ NR VANDERBILT, MI · 39.3 mi
- AU SABLE RIVER NEAR CURTISVILLE, MI · 39.8 mi
- AU SABLE RIVER AT MIO, MI · 40.2 mi
- PIGEON RIVER NEAR VANDERBILT, MI · 40.6 mi
- PINE RIVER AT KINGS CORNER RD NR OSCODA, MI · 43.8 mi
- AU SABLE RIVER NEAR RED OAK, MI · 44.6 mi
- AU SABLE RIVER NEAR SIDTOWN, MI · 45.1 mi
Frequently Asked Questions
Is Thunder Bay above or below normal right now?
Waderly compares Thunder Bay against its historical median when that gauge has enough flow history loaded. This page does not have that above-or-below-normal comparison yet.
What is the water temperature on Thunder Bay?
This USGS gauge is not currently reporting water temperature for Thunder Bay, so this page does not show a live water-temperature reading.
What other gauges should I check near Thunder Bay?
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.
What is the weather outlook for Thunder Bay?
NOAA forecast data for Thunder Bay is not cached on this page yet. Waderly's live map forecast usually fills in first.
Intelligence for the water
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