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15NM SW Islip NY

[NOTICE]

Last Update: 2:35 pm EDT Jul 6, 2026
Forecast Valid: 7pm EDT Jul 6, 2026-6pm EDT Jul 13, 2026

Tonight

E wind 12 to 17 kt, with gusts as high as 24 kt. Showers and possibly a thunderstorm before 2am, then a chance of showers. Seas 3 to 4 ft.

Tuesday

NNE wind 12 to 14 kt, with gusts as high as 20 kt. A chance of showers before 11am. Seas around 3 ft.

Tuesday Night

NNE wind around 13 kt. A slight chance of showers after 5am. Seas around 3 ft.

Wednesday

N wind 7 to 10 kt becoming SE in the afternoon. A slight chance of showers before 8am. Seas around 3 ft.

Wednesday Night

S wind around 9 kt becoming SW after midnight. Mostly clear. Seas around 3 ft.

Thursday

WSW wind 7 to 10 kt becoming SSW 11 to 14 kt in the afternoon. Mostly sunny. Seas around 3 ft.

Thursday Night

SSW wind 13 to 16 kt becoming WSW 10 to 13 kt after midnight. A chance of showers and thunderstorms before 2am. Seas 3 to 4 ft.

Friday

W wind 9 to 11 kt becoming SW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Friday Night

W wind 8 to 10 kt. A chance of showers and thunderstorms before 8pm. Seas around 3 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.