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12NM NW Islip NY

[NOTICE]

Last Update: 8:00 pm EDT Apr 22, 2026
Forecast Valid: 2am EDT Apr 23, 2026-6pm EDT Apr 29, 2026

Thursday

Variable winds less than 5 kt becoming NW 6 to 11 kt in the morning. Mostly sunny. Seas 1 ft or less.

Thursday Night

NNW wind 6 to 8 kt becoming N after midnight. Increasing clouds. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A slight chance of showers after 2am. Seas 1 ft or less.

Saturday

ESE wind around 9 kt. A chance of showers, mainly after 8am. Seas 1 ft or less.

Saturday Night

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers. Seas 1 ft or less.

Sunday

ENE wind 7 to 9 kt. A chance of showers before 2pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Monday

NNE wind 5 to 8 kt becoming E in the afternoon. Mostly sunny. 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.