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12NM NW Islip NY

[NOTICE]

Last Update: 6:30 pm EDT Apr 5, 2026
Forecast Valid: 8pm EDT Apr 5, 2026-6pm EDT Apr 12, 2026

Tonight

WNW wind 11 to 14 kt. Mostly cloudy during the early evening, then gradual clearing. Seas 1 ft or less.

Monday

W wind around 14 kt, with gusts as high as 20 kt. Sunny. Seas around 1 ft.

Monday Night

W wind 6 to 8 kt becoming WNW after midnight. A slight chance of showers. Seas 1 ft or less.

Tuesday

WNW wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

NW wind 13 to 16 kt decreasing to 9 to 12 kt after midnight. Mostly clear. Seas 1 ft or less.

Wednesday

NNE wind around 6 kt becoming variable and less than 5 kt. Sunny. Seas 1 ft or less.

Wednesday Night

S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas 1 ft or less.

Thursday Night

SSE wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

*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.