For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 7:41 pm EDT Apr 10, 2026
Forecast Valid: 8pm EDT Apr 10, 2026-6pm EDT Apr 17, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

Tonight

S wind 13 to 16 kt becoming SW 10 to 13 kt after midnight. A slight chance of showers after midnight. Seas 1 ft or less.

Saturday

NNW wind 12 to 15 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.

Saturday Night

N wind 6 to 11 kt. Mostly clear. Seas 1 ft or less.

Sunday

NNE wind 5 to 9 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

S wind around 12 kt. Mostly cloudy. Seas 1 ft or less.

Monday

SSW wind 12 to 14 kt. Mostly cloudy. Seas 1 ft or less.

Monday Night

WSW wind 8 to 12 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

W wind 6 to 8 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SSW wind 6 to 8 kt. Mostly 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.