For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 11:43 am EDT Apr 10, 2026
Forecast Valid: 2pm EDT Apr 10, 2026-6pm EDT Apr 16, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH

This Afternoon

S wind 9 to 11 kt. Mostly sunny. Seas around 3 ft.

Tonight

SSW wind 12 to 17 kt. A slight chance of showers after midnight. Seas around 5 ft.

Saturday

NW wind 13 to 15 kt. Sunny. Seas around 4 ft.

Saturday Night

NNW wind around 8 kt becoming N after midnight. Mostly clear. Seas around 4 ft.

Sunday

ENE wind 6 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 3 ft.

Sunday Night

S wind 15 to 18 kt. Mostly cloudy. Seas around 4 ft.

Monday

SSW wind around 19 kt. Mostly cloudy. Seas 5 to 6 ft.

Monday Night

WSW wind 16 to 19 kt decreasing to 13 to 16 kt after midnight. Mostly cloudy. Seas 4 to 5 ft.

Tuesday

WSW wind 10 to 12 kt becoming SSW in the afternoon. Partly 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.