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15NM SW Islip NY

[NOTICE]

Last Update: 6:49 pm EDT Apr 7, 2026
Forecast Valid: 8pm EDT Apr 7, 2026-6pm EDT Apr 14, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY...

Tonight

N wind 16 to 20 kt. Mostly clear. Seas around 3 ft.

Wednesday

NNE wind 8 to 13 kt becoming ESE in the afternoon. Sunny. Seas around 2 ft.

Wednesday Night

SE wind 6 to 8 kt. Mostly clear. Seas 1 to 2 ft.

Thursday

SE wind 7 to 9 kt. Mostly sunny. Seas 1 to 2 ft.

Thursday Night

SE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 2 ft.

Friday

Variable winds less than 5 kt becoming S 7 to 12 kt in the morning. Mostly sunny. Seas 3 to 4 ft.

Friday Night

SSW wind 11 to 16 kt. Mostly cloudy. Seas 5 to 6 ft.

Saturday

NNW wind 7 to 11 kt. Mostly sunny. Seas 4 to 5 ft.

Saturday Night

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