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15NM SW Islip NY

[NOTICE]

Last Update: 3:02 am EDT Apr 13, 2026
Forecast Valid: 4am EDT Apr 13, 2026-6pm EDT Apr 19, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING

Monday

SSW wind 16 to 19 kt, with gusts as high as 26 kt. Mostly cloudy. Seas 4 to 5 ft.

Monday Night

WSW wind 14 to 17 kt decreasing to 11 to 14 kt after midnight. Partly cloudy. Seas 4 to 5 ft.

Tuesday

WSW wind 7 to 10 kt becoming S 10 to 13 kt in the afternoon. Mostly sunny. Seas around 3 ft.

Tuesday Night

SSW wind 16 to 19 kt decreasing to 11 to 14 kt after midnight. A slight chance of showers before 2am. Seas 3 to 4 ft.

Wednesday

SSW wind 10 to 14 kt. A slight chance of showers after 2pm. Seas around 3 ft.

Wednesday Night

SW wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. A chance of showers between 8pm and 2am. Seas around 3 ft.

Thursday

SW wind 6 to 9 kt becoming S 10 to 13 kt in the afternoon. Partly sunny. Seas 2 to 3 ft.

Thursday Night

S wind 13 to 16 kt becoming SW after midnight. Mostly cloudy. Seas 3 to 4 ft.

Friday

WSW wind around 10 kt. Mostly 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.