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18NM WSW Islip NY

[NOTICE]

Last Update: 2:27 am EDT May 27, 2026
Forecast Valid: 6am EDT May 27, 2026-6pm EDT Jun 2, 2026

Today

SW wind 7 to 10 kt. A chance of showers, mainly before 11am. Seas 1 ft or less.

Tonight

WSW wind 8 to 10 kt becoming NNW after midnight. A slight chance of showers between 8pm and 11pm. Seas 1 ft or less.

Thursday

NNW wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

NNW wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

Friday

NW wind 6 to 9 kt becoming SW 10 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

SW wind around 14 kt becoming W after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

NW wind 12 to 14 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

N wind 7 to 10 kt. Partly cloudy. Seas 1 ft or less.

Sunday

NNW wind 7 to 10 kt becoming WSW in the afternoon. 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.