For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 7:52 am EDT Mar 27, 2026
Forecast Valid: 11am EDT Mar 27, 2026-6pm EDT Apr 2, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

Today

N wind 12 to 14 kt, with gusts as high as 20 kt. A slight chance of showers before 2pm. Seas around 4 ft.

Tonight

N wind 7 to 11 kt. Mostly cloudy. Seas around 3 ft.

Saturday

NW wind 14 to 18 kt. Mostly cloudy, then gradually becoming sunny. Seas around 3 ft.

Saturday Night

NW wind 6 to 11 kt. Partly cloudy. Seas around 2 ft.

Sunday

SSW wind 9 to 14 kt increasing to 14 to 19 kt in the afternoon. Winds could gust as high as 26 kt. Mostly sunny. Seas 2 to 3 ft.

Sunday Night

SW wind 19 to 24 kt. Mostly cloudy. Seas 6 ft subsiding to 4 ft.

Monday

SW wind around 16 kt. Partly sunny. Seas 3 to 4 ft.

Monday Night

SW wind 12 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.

Tuesday

S wind 14 to 16 kt. A chance of rain. Seas 3 to 4 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.