Coastal Waters Forecast for Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256) (Text-Only)
NWS Forecast for: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256)
Issued by: National Weather Service Norton, MA
Last Update: 1005 AM EDT Tue Jun 17 2025


This Afternoon: E winds around 10 kt. Seas 3 to 4 ft. Wave detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 nm or less.

Tonight: SE winds around 10 kt, becoming S after midnight. Seas 3 to 4 ft. Wave detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 nm or less.

Wed: S winds 5 to 10 kt. Seas 3 to 4 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 10 to 15 kt. Seas 2 to 4 ft. Wave detail: SE 3 ft at 7 seconds. A chance of showers. Patchy fog in the evening with vsby 1 nm or less.

Thu And Thu Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 7 seconds and SW 1 foot at 3 seconds.

Fri And Fri Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 7 seconds and E 2 ft at 8 seconds.

Sat And Sat Night: SW winds around 10 kt. Seas 2 to 4 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: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256)

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