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: 1005 AM EDT Tue Jun 17 2025


This Afternoon: E winds around 10 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 7 seconds. Patchy fog. Isolated showers. Vsby 1 nm or less.

Tonight: SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 7 seconds. Patchy fog. Vsby 1 nm or less.

Wed: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon.

Wed Night: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds. A chance of showers. Patchy fog in the evening with vsby 1 to 3 nm.

Thu And Thu Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave detail: SW 3 ft at 5 seconds and SE 2 ft at 7 seconds.

Fri Through Sat: SW winds 10 to 15 kt. Seas 2 to 4 ft. Wave detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds.

Sat Night: SW winds around 10 kt. Seas around 2 ft.

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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