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9NM SW Islip NY

[NOTICE]

Last Update: 5:44 pm EST Nov 29, 2025
Forecast Valid: 12am EST Nov 30, 2025-6pm EST Dec 6, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH

Overnight

Variable winds less than 5 kt becoming S 5 to 8 kt. Cloudy. Seas 1 ft or less.

Sunday

S wind 12 to 17 kt becoming SSW in the afternoon. Winds could gust as high as 25 kt. Rain, mainly after 1pm. Seas 1 ft or less.

Sunday Night

WSW wind around 16 kt becoming WNW after midnight. Winds could gust as high as 24 kt. A slight chance of rain before 10pm. Seas 1 ft or less.

Monday

NW wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas 1 ft or less.

Monday Night

N wind around 6 kt becoming variable and less than 5 kt. A chance of rain after 4am. Seas 1 ft or less.

Tuesday

S wind 7 to 10 kt becoming N 10 to 13 kt in the afternoon. Winds could gust as high as 21 kt. Rain, mainly after 7am. Seas 1 ft or less.

Tuesday Night

N wind 15 to 18 kt, with gusts as high as 27 kt. Rain likely before 1am. Seas 1 ft or less.

Wednesday

NNW wind 10 to 13 kt becoming WNW in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

W wind 9 to 13 kt. Partly cloudy. Seas 1 ft or less.

*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.