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15NM SW Islip NY

[NOTICE]

Last Update: 2:28 am EDT Jun 29, 2026
Forecast Valid: 4am EDT Jun 29, 2026-6pm EDT Jul 5, 2026

Monday

Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Patchy fog before 9am. Seas around 2 ft.

Monday Night

SW wind 6 to 8 kt. Partly cloudy. Seas around 2 ft.

Tuesday

S wind 6 to 9 kt increasing to 12 to 15 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Tuesday Night

SW wind 16 to 19 kt, with gusts as high as 25 kt. A slight chance of showers and thunderstorms. Seas around 4 ft.

Wednesday

SSW wind 14 to 18 kt. A slight chance of showers and thunderstorms after 2pm. Seas 3 to 4 ft.

Wednesday Night

SW wind 19 to 22 kt decreasing to 14 to 17 kt after midnight. Winds could gust as high as 28 kt. Partly cloudy. Seas 4 to 5 ft.

Thursday

SSW wind 9 to 13 kt. Sunny. Seas around 3 ft.

Thursday Night

SSW wind 8 to 13 kt becoming W after midnight. Mostly clear. Seas 2 to 3 ft.

Friday

W wind 6 to 11 kt becoming SW in the afternoon. Sunny. Seas around 2 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.