For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 7:01 am EDT Sep 19, 2026
Forecast Valid: 9am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

Today

ENE wind 7 to 11 kt. Partly sunny. Seas 1 ft or less.

Tonight

SE wind 7 to 9 kt. Increasing clouds. Seas 1 ft or less.

Sunday

ESE wind around 11 kt becoming SSE in the afternoon. Rain, with thunderstorms also possible after 5pm. Seas 1 ft or less.

Sunday Night

SSE wind 9 to 11 kt becoming NNE after midnight. Rain and possibly a thunderstorm. Seas 1 ft or less.

Monday

NE wind 10 to 15 kt. A chance of rain before 8am. Seas around 1 ft.

Monday Night

NE wind 10 to 15 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

NE wind 14 to 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas around 1 ft.

Tuesday Night

ENE wind 16 to 18 kt, with gusts as high as 27 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

ENE wind around 19 kt, with gusts as high as 31 kt. Mostly cloudy. Seas around 1 ft.

Winds and seas may be higher in and near tstms.

*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.