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15NM SW Islip NY

[NOTICE]

Last Update: 1:09 am EST Nov 30, 2025
Forecast Valid: 2am EST Nov 30, 2025-6pm EST Dec 6, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING

Sunday

SSW wind 15 to 18 kt increasing to 20 to 23 kt in the afternoon. Rain, mainly after 1pm. Seas 2 ft building to 5 ft.

Sunday Night

WSW wind 22 to 24 kt becoming WNW after midnight. A chance of rain before 10pm. Seas around 5 ft.

Monday

WNW wind 17 to 20 kt becoming NNW 12 to 15 kt in the afternoon. Sunny. Seas 4 ft subsiding to 2 ft.

Monday Night

N wind 6 to 9 kt becoming SSE after midnight. A slight chance of rain after 1am. Seas around 1 ft.

Tuesday

SSE wind 12 to 16 kt becoming N in the afternoon. Rain. Seas 2 to 3 ft.

Tuesday Night

NNW wind 19 to 22 kt. A chance of rain before 1am. Seas 3 to 4 ft.

Wednesday

NNW wind 13 to 16 kt becoming WNW 10 to 13 kt in the afternoon. Sunny. Seas 4 to 5 ft.

Wednesday Night

WSW wind 10 to 13 kt increasing to 15 to 18 kt after midnight. Partly cloudy. Seas 3 to 4 ft.

Thursday

WSW wind 20 to 23 kt increasing to 25 to 28 kt in the afternoon. Partly sunny. Seas 5 to 6 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.