What is the current flow on St. Marys River?
St. Marys River is currently flowing at 71,800 cfs at USGS gauge 04127885 as of Oct 3, 5:12 PM UTC.
St. Marys River at Sault Ste. Marie Water Level & Fishing Conditions
Streamflow · Live from USGS
71,800 cfs
as of Oct 3, 5:12 PM UTC
Flow is 71,800 cfs.
Flow
71,800 cfs
Gauge Height
temporarily unavailable
Water Temp
temporarily unavailable
About This Gauge
USGS 04127885 is a public stream gauge on St. Marys River in Michigan. Waderly uses this page as the canonical landing page for flow, water level, and fishing-condition checks on this water. There are 5 nearby gauges linked from this page for watershed context.
3-Day Weather Outlook
The NOAA forecast for St. Marys River is not available on this page yet. Open St. Marys River 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.
Nearby Gauges
- PINE RIVER AT MACKINAC TRAIL NEAR RUDYARD, MI · 25.5 mi
- PINE RIVER NEAR RUDYARD, MI · 25.6 mi
- TAHQUAMENON RIVER NEAR PARADISE, MI · 45.7 mi
- CHEBOYGAN POND AT CHEBOYGAN, MI · 60.0 mi
- MULLETT LAKE AT OUTLET NEAR CHEBOYGAN, MI · 64.2 mi
Frequently Asked Questions
What is the water temperature on St. Marys River?
This USGS gauge is not currently reporting water temperature for St. Marys River, so this page does not show a live water-temperature reading.
What other gauges should I check near St. Marys River?
Nearby gauges worth checking include PINE RIVER AT MACKINAC TRAIL NEAR RUDYARD, MI (25.5 miles away), PINE RIVER NEAR RUDYARD, MI (25.6 miles away), TAHQUAMENON RIVER NEAR PARADISE, MI (45.7 miles away). Comparing nearby gauges helps confirm whether conditions are changing upstream or across the watershed.
Intelligence for the water
Get a free alert the moment St. Marys River 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 St. Marys River