For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 6:16 am EST Nov 30, 2025
Forecast Valid: 7am EST Nov 30, 2025-6pm EST Dec 6, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING

Today

S wind 12 to 15 kt increasing to 16 to 19 kt in the afternoon. Rain, mainly after 1pm. Seas 1 to 2 ft.

Tonight

SW wind 17 to 20 kt becoming W after midnight. A chance of rain before 10pm. Seas around 2 ft.

Monday

WNW wind 11 to 16 kt becoming NNW in the afternoon. Sunny. Seas 1 to 2 ft.

Monday Night

N wind 5 to 8 kt becoming variable and less than 5 kt. Increasing clouds. Seas 1 ft or less.

Tuesday

SSE wind 8 to 13 kt becoming N in the afternoon. Rain. Seas 1 to 2 ft.

Tuesday Night

NNW wind 17 to 20 kt. A chance of rain before 1am. Seas around 2 ft.

Wednesday

NNW wind 11 to 14 kt becoming W 8 to 11 kt in the afternoon. Sunny. Seas 1 to 2 ft.

Wednesday Night

WSW wind 6 to 9 kt increasing to 10 to 13 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

Thursday

WSW wind 14 to 19 kt increasing to 19 to 24 kt in the afternoon. Partly 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.