For More Weather Information:

9NM SW Islip NY

[NOTICE]

Last Update: 1:19 am EST Dec 1, 2025
Forecast Valid: 3am EST Dec 1, 2025-6pm EST Dec 7, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING...

Monday

WNW wind 13 to 16 kt becoming NNW 9 to 12 kt in the afternoon. Winds could gust as high as 22 kt. Sunny. Seas 1 ft or less.

Monday Night

N wind 5 to 7 kt becoming SE after midnight. A slight chance of rain after 4am. Seas 1 ft or less.

Tuesday

SSE wind 9 to 12 kt becoming NNE 12 to 15 kt in the afternoon. Rain, mainly after 7am. Seas 1 ft or less.

Tuesday Night

NW wind 15 to 18 kt, with gusts as high as 26 kt. A chance of rain before 1am. Seas 1 ft or less.

Wednesday

NNW wind 8 to 13 kt. Sunny. Seas 1 ft or less.

Wednesday Night

WSW wind 7 to 10 kt increasing to 10 to 13 kt after midnight. Partly cloudy. Seas 1 ft or less.

Thursday

WSW wind 14 to 17 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Seas 1 to 2 ft.

Thursday Night

NNW wind 16 to 19 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 1 to 2 ft.

Friday

NNW wind around 9 kt becoming SW in the afternoon. Mostly sunny. Seas around 1 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.