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15NM SW Islip NY

[NOTICE]

Last Update: 3:49 am EDT Mar 24, 2026
Forecast Valid: 5am EDT Mar 24, 2026-6pm EDT Mar 30, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

Today

NNW wind 12 to 17 kt decreasing to 5 to 10 kt in the afternoon. Sunny. Seas 4 ft subsiding to 2 ft.

Tonight

SSW wind 12 to 14 kt becoming WSW after midnight. Increasing clouds. Seas 2 to 3 ft.

Wednesday

WSW wind 7 to 12 kt becoming SSW in the afternoon. Mostly cloudy. Seas around 2 ft.

Wednesday Night

S wind 12 to 14 kt. Cloudy. Seas 2 to 3 ft.

Thursday

SSW wind 13 to 16 kt increasing to 17 to 20 kt in the afternoon. Partly sunny. Seas 2 ft building to 4 ft.

Thursday Night

SSW wind 21 to 25 kt. Rain likely, mainly after 2am. Seas 6 ft subsiding to 4 ft.

Friday

W wind 14 to 18 kt becoming NNW in the afternoon. Rain likely, mainly before 8am. Seas 4 to 5 ft.

Friday Night

N wind 13 to 17 kt. Partly cloudy. Seas around 4 ft.

Saturday

N wind 11 to 14 kt becoming WNW 8 to 11 kt in the afternoon. Sunny. Seas 2 to 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.