Narragansett Bay at Newport Harbor (IN MLLW)
Rhode Island — Water Level & Flood Stage
Located in Newport 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: NWPR1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
9 ft
Moderate Flood
7.5 ft
Minor Flood
6 ft
Action Stage
5.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
9 ft
Widespread flooding is likely across coastal sections of Newport and Middletown. The combination of high tides and wave action may force evacuations of some lower lying areas. Alternate routes may be required as coastal roads become impassable.
7 ft
Minor flooding can be expected across low lying areas of Newport, Middletown and Portsmouth. Several immediate coastal roads will be impassable for a few hours around time of high tide. Minor beach erosion on the south side of Newport is possible.
6.5 ft
Minor coastal flooding is expected in the lowest lying areas Newport, Portsmouth and Middletown. A few immediate coastal roads briefly flood due to wave action. Minor coastal flooding occurs in the Common Fence Point area of Newport. A few parking lots adjacent to beaches are flooded in Newport.
6 ft
Minor coastal flooding occurs along the most vulnerable shoreline locales in Newport, Portsmouth and Middletown. This includes flooding at parking lots near beaches in Newport, and a portion of Hazard Road. Minor coastal flooding also occurs on several streets in the Common Fence Point area.
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 |
|---|---|---|
| Sep 19, 1938 | 13.3 ft | — |
| Sep 19, 1938 | 13.3 ft | — |
| Aug 29, 1954 | 10.6 ft | — |
| Aug 29, 1954 | 10.6 ft | — |
| Jan 31, 2024 | 8.11 ft | — |
About This Gauge
NWS LID
NWPR1
River
Narragansett Bay
County
Newport, RI
Coordinates
41.5044°N, 71.3261°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 Newport Harbor (IN MLLW)?
The Narragansett Bay at Newport Harbor (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 Newport Harbor (IN MLLW)?
The NWS-defined flood stage for Narragansett Bay at Newport Harbor (IN MLLW) is 6 feet. Action stage begins at 5.5 feet. Moderate flooding starts at 7.5 feet, and major flooding at 9 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 Newport Harbor (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 Newport Harbor (IN MLLW) gauge located?
The gauge is located in Newport County, Rhode Island at coordinates 41.5044°N, 71.3261°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 National Ocean Service
- <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>