For More Weather Information:

7NM S Islip NY

[NOTICE]

Last Update: 5:33 pm EST Nov 27, 2025
Forecast Valid: 7pm EST Nov 27, 2025-6pm EST Dec 4, 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Tonight

W wind around 22 kt, with gusts as high as 30 kt. Mostly clear. Seas 4 to 5 ft.

Friday

W wind 23 to 27 kt, with gusts as high as 38 kt. Mostly sunny. Seas around 5 ft.

Friday Night

W wind 23 to 27 kt, with gusts as high as 37 kt. Mostly clear. Seas 4 to 5 ft.

Saturday

WNW wind 16 to 19 kt decreasing to 10 to 13 kt in the afternoon. Sunny. Seas 4 ft subsiding to 2 ft.

Saturday Night

Variable winds less than 5 kt becoming S 5 to 9 kt after midnight. Increasing clouds. Seas around 1 ft.

Sunday

S wind 15 to 18 kt increasing to 20 to 23 kt in the afternoon. Rain likely after 1pm. Seas 2 ft building to 6 ft.

Sunday Night

SW wind 19 to 23 kt becoming WNW after midnight. A chance of rain before 1am. Seas 6 ft subsiding to 4 ft.

Monday

WNW wind 13 to 17 kt. Partly sunny. Seas 2 to 3 ft.

Monday Night

N wind around 10 kt becoming ENE after midnight. Mostly cloudy. Seas around 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.