Major Flood
15 ft
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: GLCM3). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
13 ft
Minor Flood
11.5 ft
Action Stage
11 ft
What Floods at Each Level
14 ft
This extent of flooding is rarely seen and is life threatening. Many coastal roads are impassable with more than 3 feet of water. Deep flooding of low lying coastal areas is expected from Salem and Marblehead through Gloucester to Salisbury. Rough surf will result in significant beach erosion. Significant structural damage is possible. Follow the instructions of local officials.
13 ft
This extent of flooding is rarely seen. Many roads become impassable around high tide. Flooding 2 to 3 feet deep affects many coastal roads on the North Shore from Salem and Marblehead and Gloucester and Newburyport. Rough surf will produce significant beach erosion and debris onto coastal roads.
12.5 ft
Some coastal roads become impassable around high tide. Flooding 1 to 2 feet deep affects roads on the North Shore from Salem and Marblehead to Gloucester to Newburyport. Rough surf will cause beach erosion and send and debris onto coastal roads.
12 ft
Most roads remain passable. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport. Rough surf will cause flooding on some coastal roads around the time of high tide due to splashover.
11.5 ft
Roads remain passable. Shallow pockets of flooding less than one foot deep affect more vulnerable coastal roads alog the North Shore from Salem and Gloucester to Newburyport. Rough surf will likely cause some splashover onto coastal roads around 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 |
|---|---|---|
| Jan 4, 2018 | 13.13 ft | — |
| Jan 13, 2024 | 12.98 ft | — |
| Jan 12, 2024 | 12.98 ft | — |
About This Gauge
NWS LID
GLCM3
River
Atlantic Coast
County
Essex, MA
Coordinates
42.6103°N, 70.6606°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 Gloucester (IN MLLW)?
The Atlantic Coast at Gloucester (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 Gloucester (IN MLLW)?
The NWS-defined flood stage for Atlantic Coast at Gloucester (IN MLLW) is 11.5 feet. Action stage begins at 11 feet. Moderate flooding starts at 13 feet, and major flooding at 15 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 Gloucester (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 Atlantic Coast at Gloucester (IN MLLW) gauge located?
The gauge is located in Essex County, Massachusetts at coordinates 42.6103°N, 70.6606°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Atlantic Coast
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Source & Notes
- Gauge readings are temporarily 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>