For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 4:11 am EST Nov 13, 2025
Forecast Valid: 6am EST Nov 13, 2025-6pm EST Nov 19, 2025

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

Today

WNW wind 16 to 19 kt, with gusts as high as 27 kt. Mostly sunny. Seas around 2 ft.

Tonight

WNW wind 15 to 20 kt. Mostly clear. Seas around 2 ft.

Friday

NW wind around 16 kt. Mostly sunny. Seas around 2 ft.

Friday Night

NNW wind 11 to 15 kt. Partly cloudy. Seas 1 to 2 ft.

Saturday

NNW wind 9 to 11 kt becoming WSW in the afternoon. Mostly sunny. Seas around 1 ft.

Saturday Night

SW wind 10 to 13 kt increasing to 14 to 17 kt after midnight. Showers. Seas 1 to 2 ft.

Sunday

WSW wind 16 to 20 kt becoming WNW in the afternoon. Winds could gust as high as 28 kt. Showers likely before 1pm. Seas around 2 ft.

Sunday Night

W wind 20 to 22 kt, with gusts as high as 30 kt. Partly cloudy. Seas around 2 ft.

Monday

W wind around 20 kt, with gusts as high as 30 kt. Mostly sunny. 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.