For More Weather Information:

5NM SSE Islip NY

[NOTICE]

Last Update: 5:57 pm EST Nov 28, 2025
Forecast Valid: 8pm EST Nov 28, 2025-6pm EST Dec 5, 2025

...GALE WARNING IN EFFECT UNTIL 1 AM EST SATURDAY...

Tonight

W wind 21 to 24 kt, with gusts as high as 34 kt. Mostly clear. Seas around 1 ft.

Saturday

WNW wind 14 to 19 kt decreasing to 9 to 14 kt in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming S 5 to 10 kt after midnight. Increasing clouds. Seas 1 ft or less.

Sunday

S wind 16 to 19 kt increasing to 21 to 24 kt in the afternoon. Rain, mainly after 1pm. Seas 1 ft or less.

Sunday Night

SW wind 21 to 25 kt becoming WNW after midnight. A chance of rain before 1am. Seas around 1 ft.

Monday

WNW wind 16 to 19 kt decreasing to 13 to 16 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Monday Night

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

Tuesday

ESE wind 8 to 11 kt becoming E 14 to 19 kt in the afternoon. Rain. Seas 1 ft or less.

Tuesday Night

NNW wind around 22 kt. Rain likely. 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.