For More Weather Information:

13NM E Islip NY

[NOTICE]

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

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

Tonight

W wind 15 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 16 to 19 kt increasing to 20 to 23 kt in the afternoon. Winds could gust as high as 34 kt. Mostly sunny. Seas around 2 ft.

Friday Night

W wind 19 to 23 kt, with gusts as high as 33 kt. Mostly clear. Seas around 2 ft.

Saturday

WNW wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Sunny. Seas around 1 ft.

Saturday Night

Variable winds less than 5 kt becoming S around 6 kt after midnight. Increasing clouds. Seas 1 ft or less.

Sunday

S wind 10 to 13 kt increasing to 16 to 19 kt in the afternoon. Rain likely after 1pm. Seas 1 ft or less building to 2 ft.

Sunday Night

SW wind 15 to 19 kt becoming WNW after midnight. A chance of rain before 1am. Seas around 2 ft.

Monday

WNW wind 11 to 14 kt. Partly sunny. Seas around 1 ft.

Monday Night

N wind 7 to 9 kt becoming ENE after midnight. Mostly cloudy. 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.