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18NM WSW Islip NY

[NOTICE]

Last Update: 2:31 pm EDT Apr 1, 2026
Forecast Valid: 8pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

Tonight

NNE wind 5 to 8 kt becoming ENE 10 to 15 kt after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

Thursday

ENE wind around 15 kt, with gusts as high as 21 kt. A chance of showers, mainly before 11am. Seas 1 ft or less.

Thursday Night

E wind 11 to 15 kt. A slight chance of showers after 8pm. Seas 1 ft or less.

Friday

E wind 5 to 9 kt becoming SSW in the afternoon. Mostly cloudy. Seas 1 ft or less.

Friday Night

SSW wind 10 to 15 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

SW wind 8 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

SSE wind around 14 kt, with gusts as high as 21 kt. A chance of showers after 2am. Seas 1 ft or less.

Sunday

SSW wind 15 to 18 kt, with gusts as high as 25 kt. Showers. Seas 1 ft or less.

Sunday Night

W wind 11 to 13 kt becoming NW after midnight. Showers. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

*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.