Atlantic Coast at Watch Hill Cove (IN MLLW)
Rhode Island — Water Level & Flood Stage
Located in Washington County, Rhode Island on the Atlantic Coast. 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: WHLR1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
9.5 ft
Moderate Flood
8 ft
Minor Flood
5 ft
Action Stage
4.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
12 ft
Significant coastal flooding is likely. Road closures and localized evacuations are likely in parts of Westerly and Charlestown.
10 ft
Flooding will affect coastal portions of Westerly and Charlestown. Localized road closures and evacuations may be necessary. Large wave action along the south coast will result in some beach erosion.
9 ft
Minor flooding of coastal areas is expected across parts of Westerly and Charlestown. Heavy surf may also produce flooding on some immediate coastal roads nearest the time of high tide.
8 ft
Minor flooding of coastal areas is expected across parts of Westerly and Charlestown. Heavy surf may also produce flooding on some immediate coastal roads nearest the time of high tide.
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 14, 2021 | 7.35 ft | — |
| Oct 14, 2021 | 7.35 ft | — |
| Jan 12, 2024 | 6.18 ft | — |
| Jan 13, 2024 | 6.18 ft | — |
| Jan 12, 2024 | 6.18 ft | — |
About This Gauge
NWS LID
WHLR1
River
Atlantic Coast
County
Washington, RI
Coordinates
41.3106°N, 71.8583°W
Get Flood Alerts for Atlantic Coast
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 Atlantic Coast at Watch Hill Cove (IN MLLW)?
The Atlantic Coast at Watch Hill Cove (IN MLLW) 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 Atlantic Coast at Watch Hill Cove (IN MLLW)?
The NWS-defined flood stage for Atlantic Coast at Watch Hill Cove (IN MLLW) is 5 feet. Action stage begins at 4.5 feet. Moderate flooding starts at 8 feet, and major flooding at 9.5 feet.
How do I get alerts when Atlantic Coast rises?
Download StormCast free on Google Play, go to River Gauges, and add Atlantic Coast at Watch Hill Cove (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 — even when your screen is off.
Where is the Atlantic Coast at Watch Hill Cove (IN MLLW) gauge located?
The gauge is located in Washington County, Rhode Island at coordinates 41.3106°N, 71.8583°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey
- Gauge readings currently unavailable.
- <span style="color: #ff0000;">Please refer to our <span style="background-color: #ffff00;"><a style="color: #ff0000; background-color: #ffff00;" title="Link to CFWBOX" href="https://forecast.weather.gov/product.php?site=NWS&issuedby=BOX&product=CFW&format=CI&version=1&glossary=0">Coastal Hazard Message</a></span> for specific information regarding Coastal Flood Watches, Warnings and Advisories. Actual impacts from any coastal flooding event may vary due to factors such as rainfall, wave action, and the number of tide cycles during which there is an onshore flow. During tropical cyclones, please refer <span style="background-color: #ffff00;"><a style="background-color: #ffff00;" title="Link to TCVBOX" href="https://forecast.weather.gov/product.php?site=NWS&issuedby=BOX&product=TCV&format=CI&version=1&glossary=1">here</a></span> for additional storm surge information.</span>
- <span style="color: #ff0000;">During a Tropical Storm or Hurricane Watch or Warning, inundation mapping provided by the <span style="background-color: #ffff00;"><a style="color: #ff0000; background-color: #ffff00;" href="https://www.nhc.noaa.gov">National Hurricane Center</a></span> (go to the web site and select the storm of interest) reflects a reasonable worst case scenario. The forecast above is the total water forecast that is most likely to occur.</span>