For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 2:26 pm EDT Apr 10, 2026
Forecast Valid: 3pm EDT Apr 10, 2026-6pm EDT Apr 17, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

This Afternoon

S wind around 11 kt. Mostly sunny. Seas around 3 ft.

Tonight

SSW wind 13 to 16 kt becoming WSW after midnight. A slight chance of showers after midnight. Seas 4 to 5 ft.

Saturday

NNW wind 9 to 14 kt. Sunny. Seas around 4 ft.

Saturday Night

N wind around 9 kt. Mostly clear. Seas around 4 ft.

Sunday

NE wind 5 to 9 kt becoming SSE in the afternoon. Increasing clouds. Seas around 3 ft.

Sunday Night

S wind 13 to 17 kt. Mostly cloudy. Seas 3 to 4 ft.

Monday

SSW wind 17 to 19 kt. Mostly cloudy. Seas 4 to 5 ft.

Monday Night

SW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 6 ft subsiding to 4 ft.

Tuesday

W wind 9 to 11 kt becoming SSW in the afternoon. Mostly sunny. Seas around 3 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.