Atlantic Coast at Gloucester (IN MLLW)

1. 14.00 ftThis 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.
2. 13.00 ftThis 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.
3. 12.50 ftSome 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.
4. 12.00 ftMost 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.
5. 11.50 ftRoads 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.

Most recent crests

• November 16, 2024: 11.58 ft
• March 10, 2024: 12.07 ft
• February 13, 2024: 11.51 ft
• January 13, 2024: 12.98 ft
• January 13, 2024: 12.98 ft
• January 10, 2024: 12.60 ft
• January 10, 2024: 12.60 ft
• January 20, 2023: 11.24 ft
• December 23, 2022: 12.50 ft
• March 22, 2019: 11.59 ft

• Ipswich River at Ipswich
• Parker River
• Ipswich River
• Atlantic Coast at Hampton (IN MLLW)
• Merrimack River
• Shawsheen River at Andover
• Merrimack River at Lawrence
• Boston Harbor at Boston (IN MLLW)

Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round. 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&amp;issuedby=BOX&amp;product=CFW&amp;format=CI&amp;version=1&amp;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&amp;issuedby=BOX&amp;product=TCV&amp;format=CI&amp;version=1&amp;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&nbsp;<span style="background-color: #ffff00;"><a style="color: #ff0000; background-color: #ffff00;" href="https://www.nhc.noaa.gov">National Hurricane Center</a></span>&nbsp;(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>

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.