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15NM SW Islip NY

[NOTICE]

Last Update: 6:30 pm EDT May 14, 2026
Forecast Valid: 7pm EDT May 14, 2026-6pm EDT May 21, 2026

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

Tonight

WSW wind 7 to 9 kt becoming WNW in the evening. Mostly cloudy. Seas around 3 ft.

Friday

NW wind 7 to 10 kt becoming W in the afternoon. Mostly sunny. Seas 3 to 4 ft.

Friday Night

NW wind 5 to 7 kt becoming SSW after midnight. Mostly clear. Seas around 4 ft.

Saturday

SW wind 7 to 12 kt increasing to 12 to 17 kt in the afternoon. Sunny. Seas 3 to 4 ft.

Saturday Night

SSW wind 18 to 21 kt decreasing to 12 to 15 kt after midnight. Winds could gust as high as 27 kt. Partly cloudy. Seas 6 ft subsiding to 4 ft.

Sunday

WSW wind 7 to 11 kt. Mostly sunny. Seas 3 to 4 ft.

Sunday Night

SSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 3 to 4 ft.

Monday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the morning. Mostly sunny. Seas 2 to 3 ft.

Monday Night

SSE wind around 7 kt becoming S after midnight. Mostly clear. 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.