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12NM NW Islip NY

[NOTICE]

Last Update: 10:06 am EDT Apr 4, 2026
Forecast Valid: 10am EDT Apr 4, 2026-6pm EDT Apr 10, 2026

Today

NE wind 7 to 11 kt becoming E in the afternoon. Increasing clouds. Seas around 1 ft.

Tonight

E wind 14 to 17 kt decreasing to 10 to 13 kt after midnight. A chance of rain, with thunderstorms also possible after 5am. Seas 1 to 2 ft.

Sunday

S wind 11 to 16 kt becoming WSW in the afternoon. Rain and thunderstorms. Seas 1 to 2 ft.

Sunday Night

W wind 11 to 14 kt becoming WNW in the evening. A chance of rain before 8pm. Seas 1 to 2 ft.

Monday

WNW wind around 13 kt. Mostly sunny. Seas around 2 ft.

Monday Night

W wind 5 to 8 kt. Partly cloudy. Seas around 1 ft.

Tuesday

WNW wind 10 to 14 kt. Mostly sunny. Seas 1 to 2 ft.

Tuesday Night

NNW wind 8 to 12 kt. Mostly clear. Seas 1 to 2 ft.

Wednesday

N wind around 6 kt becoming SSE in the afternoon. Sunny. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.