For More Weather Information:

13NM NW Islip NY

[NOTICE]

Last Update: 5:57 pm EST Nov 28, 2025
Forecast Valid: 6pm EST Nov 28, 2025-6pm EST Dec 5, 2025

...GALE WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING...

Tonight

W wind 15 to 20 kt, with gusts as high as 30 kt. Mostly clear. Seas 1 ft or less.

Saturday

W wind 13 to 16 kt decreasing to 7 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming SSE 5 to 7 kt after midnight. Increasing clouds. Seas 1 ft or less.

Sunday

S wind 10 to 15 kt increasing to 16 to 21 kt in the afternoon. Rain, mainly after 1pm. Seas 1 ft or less.

Sunday Night

SW wind 20 to 22 kt becoming WNW after midnight. A chance of rain before 1am. Seas 1 ft or less.

Monday

WNW wind 14 to 17 kt decreasing to 10 to 13 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Monday Night

N wind 6 to 9 kt becoming E after midnight. Increasing clouds. Seas 1 ft or less.

Tuesday

E wind 7 to 10 kt becoming NE 12 to 15 kt in the afternoon. Rain. Seas 1 ft or less.

Tuesday Night

N wind 17 to 20 kt becoming NNW after midnight. A chance of rain. Seas 1 to 2 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.