Narragansett Bay at Quonset Point (IN MLLW)
Rhode Island — Water Level & Flood Stage
Located in Washington County, Rhode Island on the Narragansett Bay. 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: QPTR1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
9.5 ft
Moderate Flood
7.5 ft
Minor Flood
6 ft
Action Stage
5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
10 ft
Major flooding is expected in the vicinity of North Kingstown, Prudence Island and East Greenwich. Flooding of numerous homes, businesses and roadways are expected. Heed the advice of local officials, and evacuate if asked to do so.
9 ft
Moderate to major coastal flooding is expected in North Kingstown, East Greenwich and Prudence Island. In East Greenwich flooding occurs to some marinas in Greenwich Cove. In North Kingstown, flooding occurs in low lying homes and businesses along Shore Acres and Quonset Point. Flooding occurs along Plum Beach and in nearshore buildings along Plum Point. Inundation of low lying buidings and streets occurs near Wickford Harbor, Wickford Cove and Duck Cove. On Prudence Island, flooding occurs on Neck Farm Rd.
8 ft
In East Greenwich flooding occurs to some marinas in Greenwich Cove. In North Kingstown, flooding occurs in lowest lying homes and businesses along Shore Acres and Quonset Point. Flooding occurs along Plum Beach and in nearshore buildings along Plum Point. Inundation of low lying buildings and streets occurs near Wickford Harbor, Wickford Cove and Duck Cove. On Prudence Island, flooding occurs along portions of Neck Farm Road.
7 ft
Flooding of low lying coastal areas can be expected in the vicinity of North Kingstown, East Greenwich aqnd Prudence Island. Some evacuations are possible. Some coastal roads will be impassable for a period of time nearest high tide.
6 ft
Minor coastal flooding occurs on vulnerable shore roads in North Kingstown.
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 |
|---|---|---|
| Dec 18, 2023 | 15.58 ft | — |
| Dec 18, 2023 | 15.58 ft | — |
| Dec 18, 2023 | 15.46 ft | — |
| Dec 18, 2023 | 15.46 ft | — |
| Dec 11, 2023 | 10.7 ft | — |
About This Gauge
NWS LID
QPTR1
River
Narragansett Bay
County
Washington, RI
Coordinates
41.5869°N, 71.4100°W
Get Flood Alerts for Narragansett 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 Narragansett Bay at Quonset Point (IN MLLW)?
The Narragansett Bay at Quonset Point (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 Narragansett Bay at Quonset Point (IN MLLW)?
The NWS-defined flood stage for Narragansett Bay at Quonset Point (IN MLLW) is 6 feet. Action stage begins at 5 feet. Moderate flooding starts at 7.5 feet, and major flooding at 9.5 feet.
How do I get alerts when Narragansett Bay rises?
Download StormCast free on Google Play, go to River Gauges, and add Narragansett Bay at Quonset Point (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 Narragansett Bay at Quonset Point (IN MLLW) gauge located?
The gauge is located in Washington County, Rhode Island at coordinates 41.5869°N, 71.4100°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: NOAA CO-OPS
- <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>