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18NM WSW Islip NY

[NOTICE]

Last Update: 2:24 pm EDT May 16, 2026
Forecast Valid: 8pm EDT May 16, 2026-6pm EDT May 23, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING...

Tonight

SSW wind 17 to 20 kt decreasing to 11 to 14 kt after midnight. A chance of sprinkles after 11pm. Seas 1 ft or less.

Sunday

W wind 7 to 11 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Monday

E wind 6 to 10 kt becoming SSE in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

SSW wind around 8 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

S wind 7 to 10 kt increasing to 13 to 16 kt in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

SSW wind 10 to 15 kt, with gusts as high as 23 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

SSW wind 8 to 11 kt increasing to 12 to 15 kt in the afternoon. Showers likely. Seas 1 ft or less.

Wednesday Night

SW wind 7 to 10 kt becoming NW after midnight. Showers likely. 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.