Detroit River at Gibralter Tidal Gauge
Michigan — Water Level & Flood Stage
Located in Wayne County, Michigan on the Detroit River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: GRTM4). Live data may be limited. View on NWS AHPS →
Flood Stages
Minor Flood
575.33 ft
Action Stage
574.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
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About This Gauge
NWS LID
GRTM4
River
Detroit River
County
Wayne, MI
Coordinates
42.0917°N, 83.1861°W
Get Flood Alerts for Detroit River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Detroit River at Gibralter Tidal Gauge?
The Detroit River at Gibralter Tidal Gauge gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Detroit River at Gibralter Tidal Gauge?
The NWS-defined flood stage for Detroit River at Gibralter Tidal Gauge is 575.33 feet. Action stage begins at 574.5 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Detroit River rises?
Download StormCast free on Google Play, go to River Gauges, and add Detroit River at Gibralter Tidal Gauge to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Detroit River at Gibralter Tidal Gauge gauge located?
The gauge is located in Wayne County, Michigan at coordinates 42.0917°N, 83.1861°W. Data is provided by the U.S. Geological Survey and the National Weather Service.