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: 104 AM EDT Mon Jun 23 2025


Rest Of Tonight: NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 10 seconds. Patchy fog. Vsby 1 to 3 nm.

Mon: NE winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave detail: S 2 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy fog in the morning with vsby 1 nm or less.

Mon Night: SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog.

Tue: SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave detail: SW 1 foot at 5 seconds and SE 1 foot at 9 seconds, becoming SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog in the morning.

Tue Night: W winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds.

Wed And Wed Night: E winds 5 to 10 kt. Seas around 2 ft. Wave detail: W 2 ft at 4 seconds and SE 1 foot at 9 seconds.

Thu: SE winds 5 to 10 kt. Seas 1 foot or less.

Thu Night: E winds around 10 kt. Seas around 2 ft. A chance of showers.

Fri And Fri Night: E winds around 10 kt. Seas 2 to 3 ft. A chance of showers.

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)

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