Coastal Waters Forecast for Block Island Sound (ANZ237) (Text-Only)
NWS Forecast for: Block Island Sound (ANZ237)
Issued by: National Weather Service Norton, MA
Last Update: 107 PM EDT Mon Jul 14 2025
Print


This Afternoon: S winds around 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and SE 1 foot at 9 seconds.

Tonight: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of showers and tstms after midnight with vsby 1 to 3 nm.

Tue: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and SW 1 foot at 2 seconds. A chance of showers. A chance of tstms in the morning. Patchy fog in the morning.

Tue Night: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 1 foot at 4 seconds and SE 1 foot at 6 seconds.

Wed And Wed Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and W 1 foot at 2 seconds.

Thu And Thu Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave detail: SE 3 ft at 6 seconds and W 1 foot at 3 seconds.

Fri And Fri Night: W winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.

winds and seas higher in and near tstms.

seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.







Zone Forecast: Block Island Sound (ANZ237)

Visit your local NWS office at: https://www.weather.gov/boston