For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 6:03 pm EDT Mar 12, 2026
Forecast Valid: 9pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH

Tonight

WNW wind 13 to 17 kt. Mostly cloudy, then gradually becoming clear. Seas around 1 ft.

Friday

W wind 6 to 9 kt becoming S 13 to 18 kt. Increasing clouds. Seas 1 ft or less.

Friday Night

S wind 20 to 24 kt becoming WSW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.

Saturday

W wind 20 to 23 kt. Sunny. Seas around 1 ft.

Saturday Night

WNW wind 11 to 14 kt becoming NNW 5 to 8 kt after midnight. Increasing clouds. Seas 1 ft or less.

Sunday

ENE wind 7 to 12 kt becoming ESE in the afternoon. Mostly cloudy. Seas 1 ft or less.

Sunday Night

ESE wind 12 to 15 kt, with gusts as high as 23 kt. Rain, mainly after 2am. Seas around 1 ft.

Monday

S wind 17 to 21 kt, with gusts as high as 30 kt. Rain and possibly a thunderstorm. Seas around 1 ft.

Monday Night

S wind 19 to 22 kt becoming WSW 14 to 17 kt after midnight. Winds could gust as high as 31 kt. Rain. 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.