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15NM SW Islip NY

[NOTICE]

Last Update: 5:20 am EST Dec 27, 2025
Forecast Valid: 10am EST Dec 27, 2025-6pm EST Jan 2, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

Today

NNE wind 16 to 19 kt decreasing to 13 to 16 kt in the afternoon. Mostly cloudy. Seas around 4 ft.

Tonight

NNW wind 8 to 10 kt. Partly cloudy. Seas 3 to 4 ft.

Sunday

NW wind 6 to 9 kt becoming WSW in the afternoon. Increasing clouds. Seas 2 to 3 ft.

Sunday Night

SSW wind 11 to 14 kt increasing to 16 to 19 kt after midnight. Rain. Seas 2 ft building to 4 ft.

Monday

SSW wind 20 to 23 kt increasing to 23 to 26 kt in the afternoon. Rain. Seas 5 ft building to 7 ft.

Monday Night

W wind 33 to 38 kt. Partly cloudy. Seas 8 to 9 ft.

Tuesday

W wind 32 to 36 kt. Partly sunny. Seas 7 to 8 ft.

Tuesday Night

W wind 30 to 33 kt decreasing to 26 to 29 kt after midnight. Mostly cloudy. Seas 6 to 7 ft.

Wednesday

W wind 24 to 26 kt. Partly sunny. Seas around 5 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.