For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 6:01 pm EST Jan 21, 2026
Forecast Valid: 8pm EST Jan 21, 2026-6pm EST Jan 28, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

Tonight

SW wind 15 to 19 kt. A slight chance of rain and snow before 1am. Seas 1 ft or less.

Thursday

W wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

W wind 12 to 14 kt. Partly cloudy. Seas 1 ft or less.

Friday

W wind 11 to 14 kt increasing to 14 to 17 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Friday Night

WNW wind 17 to 20 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

NNW wind 10 to 14 kt. Partly sunny. Seas 1 ft or less.

Saturday Night

N wind 9 to 12 kt becoming NNE after midnight. Snow likely after 1am. Seas 1 ft or less.

Sunday

NE wind 14 to 17 kt, with gusts as high as 24 kt. Snow. Seas 1 ft or less.

Sunday Night

NE wind 13 to 17 kt, with gusts as high as 25 kt. Snow. 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.