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: 103 PM EDT Mon Mar 31 2025
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This Afternoon: S winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave detail: S 7 ft at 7 seconds and E 1 foot at 6 seconds. Areas of fog. A chance of showers. Vsby 1 nm or less.

Tonight: S winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 7 ft. Wave detail: S 7 ft at 8 seconds. Areas of fog. Showers. Vsby 1 nm or less.

Tue: NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 7 ft. Wave detail: S 7 ft at 8 seconds and SE 2 ft at 9 seconds. Areas of fog in the morning. A chance of showers in the morning.

Tue Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. Wave detail: NW 6 ft at 9 seconds and N 2 ft at 4 seconds.

Wed And Wed Night: SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: S 5 ft at 9 seconds and NE 3 ft at 4 seconds.

Thu And Thu Night: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave detail: S 8 ft at 7 seconds. A chance of showers.

Fri: W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers.

Fri Night: N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 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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