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15NM SW Islip NY

[NOTICE]

Last Update: 1:21 pm EST Dec 1, 2025
Forecast Valid: 4pm EST Dec 1, 2025-6pm EST Dec 8, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH

Tonight

N wind 7 to 10 kt becoming SSE after midnight. Increasing clouds. Seas 1 to 2 ft.

Tuesday

SSE wind 13 to 18 kt becoming NNE in the afternoon. Winds could gust as high as 28 kt. Rain. Seas 2 to 3 ft.

Tuesday Night

NW wind 19 to 21 kt, with gusts as high as 28 kt. Rain, mainly before 10pm. Seas 3 ft building to 5 ft.

Wednesday

NNW wind 13 to 16 kt becoming NW 9 to 12 kt in the afternoon. Winds could gust as high as 22 kt. Sunny. Seas 4 to 5 ft.

Wednesday Night

WSW wind 9 to 12 kt increasing to 14 to 17 kt after midnight. Winds could gust as high as 23 kt. Partly cloudy. Seas 3 to 4 ft.

Thursday

WSW wind 19 to 22 kt becoming WNW in the afternoon. Winds could gust as high as 30 kt. Partly sunny. Seas around 4 ft.

Thursday Night

NW wind 20 to 23 kt decreasing to 14 to 17 kt after midnight. Winds could gust as high as 31 kt. Mostly clear. Seas 3 to 4 ft.

Friday

N wind 8 to 10 kt becoming SW in the afternoon. Partly sunny. Seas around 2 ft.

Friday Night

SW wind around 10 kt becoming W after midnight. A chance of rain. 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.