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18NM WSW Islip NY

[NOTICE]

Last Update: 2:56 pm EST Nov 11, 2026
Forecast Valid: 4pm EST Nov 11, 2026-6pm EST Nov 18, 2026

Tonight

S wind 5 to 10 kt becoming E after midnight. Increasing clouds. Seas 1 ft or less.

Thursday

E wind 12 to 16 kt becoming NE in the afternoon. Showers, mainly after noon. Seas 1 ft or less.

Thursday Night

NE wind 14 to 17 kt becoming N after midnight. Rain. Seas 1 ft or less.

Friday

NNW wind 15 to 18 kt. Rain, mainly before 4pm. Seas 1 ft or less.

Friday Night

NNW wind 12 to 14 kt. A chance of rain, mainly before 10pm. Seas 1 ft or less.

Saturday

NW wind 13 to 15 kt. Partly sunny. Seas 1 ft or less.

Saturday Night

NW wind 10 to 12 kt. Partly cloudy. Seas 1 ft or less.

Sunday

NW wind 10 to 12 kt. Sunny. Seas 1 ft or less.

Sunday Night

NNW wind 7 to 9 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.