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18NM WSW Islip NY

[NOTICE]

Last Update: 7:10 am EDT May 6, 2026
Forecast Valid: 11am EDT May 6, 2026-6pm EDT May 12, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today

S wind around 22 kt, with gusts as high as 29 kt. Showers likely, mainly between 2pm and 5pm. Seas 1 ft or less.

Tonight

SSW wind 13 to 16 kt becoming W 10 to 13 kt after midnight. Showers likely, mainly between 8pm and 11pm. Seas 1 ft or less.

Thursday

NNW wind 5 to 8 kt becoming W in the afternoon. A slight chance of showers before 11am. Seas 1 ft or less.

Thursday Night

WSW wind around 7 kt becoming NNW in the evening. Partly cloudy. Seas 1 ft or less.

Friday

WNW wind 7 to 10 kt becoming WSW 10 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

WSW wind 6 to 9 kt becoming SSW after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

S wind 9 to 12 kt increasing to 14 to 17 kt in the afternoon. Showers likely. Seas 1 ft or less.

Saturday Night

SW wind 5 to 9 kt. Partly cloudy. Seas 1 ft or less.

Sunday

S wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. 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.