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15NM SW Islip NY

[NOTICE]

Last Update: 2:39 pm EDT May 6, 2026
Forecast Valid: 3pm EDT May 6, 2026-6pm EDT May 13, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

This Afternoon

S wind around 25 kt, with gusts as high as 31 kt. Showers, mainly before 5pm. Seas around 7 ft.

Tonight

SSW wind 16 to 21 kt becoming WNW 10 to 15 kt after midnight. Showers likely and possibly a thunderstorm. Seas 6 ft subsiding to 4 ft.

Thursday

NNW wind 6 to 10 kt becoming SSW in the afternoon. A chance of showers before 8am. Seas 3 to 4 ft.

Thursday Night

SW wind 6 to 9 kt becoming NNW after midnight. Partly cloudy. Seas 2 to 3 ft.

Friday

WNW wind 8 to 11 kt becoming SW 12 to 15 kt in the afternoon. Sunny. Seas 2 to 3 ft.

Friday Night

SSW wind 9 to 11 kt. Partly cloudy. Seas around 3 ft.

Saturday

S wind 13 to 18 kt, with gusts as high as 24 kt. Showers. Seas 3 to 4 ft.

Saturday Night

SW wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. A chance of showers. Seas around 4 ft.

Sunday

SW wind 5 to 8 kt becoming S 10 to 13 kt in the afternoon. Partly sunny. Seas 3 to 4 ft.

Winds and seas may be higher in and near tstms.

*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.