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9NM SW Islip NY

[NOTICE]

Last Update: 10:07 pm EST Nov 26, 2025
Forecast Valid: 11pm EST Nov 26, 2025-6pm EST Dec 3, 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

Overnight

W wind 18 to 21 kt, with gusts as high as 30 kt. A slight chance of showers before midnight. Seas around 4 ft.

Thanksgiving Day

W wind around 20 kt, with gusts as high as 31 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

W wind 21 to 24 kt decreasing to 18 to 21 kt after midnight. Winds could gust as high as 30 kt. Mostly clear. Seas around 2 ft.

Friday

W wind 21 to 23 kt, with gusts as high as 38 kt. Mostly sunny. Seas around 2 ft.

Friday Night

W wind 18 to 21 kt, with gusts as high as 34 kt. Mostly clear. Seas around 2 ft.

Saturday

WNW wind 13 to 16 kt decreasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 to 2 ft.

Saturday Night

Variable winds less than 5 kt becoming S 5 to 8 kt after midnight. Increasing clouds. Seas 1 ft or less.

Sunday

S wind 11 to 14 kt increasing to 14 to 17 kt in the afternoon. A chance of showers. Seas 1 to 2 ft.

Sunday Night

SSW wind 12 to 16 kt becoming WNW after midnight. A chance of showers. Seas 1 to 2 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.