For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 2:58 pm EDT Mar 17, 2026
Forecast Valid: 5pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

Late Afternoon

W wind around 22 kt, with gusts as high as 28 kt. Scattered flurries. Seas around 8 ft.

Tonight

NW wind 19 to 22 kt decreasing to 14 to 17 kt after midnight. Scattered flurries before 11pm. Seas 6 to 7 ft.

Wednesday

NW wind 5 to 10 kt becoming variable and less than 5 kt. Mostly sunny. Seas 4 to 5 ft.

Wednesday Night

S wind 5 to 7 kt. Mostly clear. Seas around 4 ft.

Thursday

SE wind 6 to 10 kt. Mostly sunny. Seas 3 to 4 ft.

Thursday Night

SSE wind around 8 kt becoming SSW after midnight. Mostly cloudy. Seas around 3 ft.

Friday

WSW wind 6 to 9 kt. Partly sunny. Seas around 3 ft.

Friday Night

SSW wind around 11 kt. Mostly cloudy. Seas 3 to 4 ft.

Saturday

S wind 12 to 15 kt. A chance of rain. Seas 3 to 4 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.