Major Flood
7.2 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
6.5 ft
Minor Flood
6 ft
Action Stage
5.8 ft
What Floods at Each Level
5 ft
5.0 NGVD Hudson Avenue 2 1/2 feet under water. All streets south Atlantic Avenue under water.
4.7 ft
4.7 to 4.8 NGVD Guy Lombardo Avenue under water.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Oct 28, 2012 | 10.12 ft | — |
| Aug 27, 2011 | 7.35 ft | — |
| Apr 15, 2007 | 5.67 ft | — |
About This Gauge
Get Flood Alerts for Hudson Bay
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 Hudson Bay at Freeport (IN MLLW)?
The Hudson Bay at Freeport (IN MLLW) gauge is maintained by USGS (site 01310521) 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 Hudson Bay at Freeport (IN MLLW)?
The NWS-defined flood stage for Hudson Bay at Freeport (IN MLLW) is 6 feet. Action stage begins at 5.8 feet. Moderate flooding starts at 6.5 feet, and major flooding at 7.2 feet.
How do I get alerts when Hudson Bay rises?
Download StormCast free on Google Play, go to River Gauges, and add Hudson Bay at Freeport (IN MLLW) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Hudson Bay at Freeport (IN MLLW) gauge located?
The gauge is located in Nassau County, New York at coordinates 40.6275°N, 73.5758°W. USGS site number: 01310521. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge awaiting repair - automated readings are not available at this time.