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15NM SW Islip NY

[NOTICE]

Last Update: 9:57 am EDT Mar 21, 2026
Forecast Valid: 2pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

This Afternoon

N wind around 8 kt. Sunny. Seas around 4 ft.

Tonight

E wind 5 to 8 kt becoming SSE after midnight. Increasing clouds. Seas around 3 ft.

Sunday

SSW wind 12 to 15 kt. A slight chance of rain after 2pm. Seas 3 to 4 ft.

Sunday Night

SSW wind 11 to 13 kt becoming NNE after midnight. Rain and thunderstorms likely, then rain after 11pm. Seas around 4 ft.

Monday

NNE wind 15 to 17 kt. Rain, mainly before 8am. Seas around 4 ft.

Monday Night

N wind around 16 kt. Partly cloudy. Seas around 3 ft.

Tuesday

N wind 7 to 12 kt becoming SSW in the afternoon. Sunny. Seas 2 to 3 ft.

Tuesday Night

SSW wind 14 to 18 kt. Mostly cloudy. Seas 3 to 4 ft.

Wednesday

SW wind 15 to 17 kt. Partly sunny. Seas around 3 ft.

*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.