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9NM SW Islip NY

[NOTICE]

Last Update: 9:17 pm EST Dec 5, 2025
Forecast Valid: 9pm EST Dec 5, 2025-6pm EST Dec 12, 2025

Tonight

Variable winds 5 kt or less. Cloudy. Seas 1 ft or less.

Saturday

NNE wind 5 to 9 kt becoming W in the afternoon. Mostly cloudy. Seas 1 ft or less.

Saturday Night

W wind 9 to 11 kt becoming NW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Sunday

NNW wind around 7 kt becoming SW in the afternoon. Partly sunny. Seas 1 ft or less.

Sunday Night

WSW wind 7 to 10 kt becoming NW 10 to 13 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Monday

N wind around 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

N wind 12 to 15 kt decreasing to 8 to 11 kt after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

N wind 6 to 9 kt becoming SW 11 to 14 kt in the morning. Mostly sunny. Seas 1 ft or less.

Tuesday Night

WSW wind 13 to 16 kt. Mostly 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.