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18NM WSW Islip NY

[NOTICE]

Last Update: 2:19 am EDT Apr 28, 2026
Forecast Valid: 12pm EDT Apr 28, 2026-6pm EDT May 4, 2026

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

This Afternoon

SSE wind around 6 kt. Partly sunny. Seas 1 ft or less.

Tonight

SSE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

SE wind 5 to 10 kt. A slight chance of showers after 2pm. Seas 1 ft or less.

Wednesday Night

SE wind around 11 kt. Showers, mainly after 8pm. Seas 1 ft or less.

Thursday

N wind 9 to 13 kt becoming NW in the morning. A chance of showers, mainly before 2pm. Seas 1 ft or less.

Thursday Night

NW wind 12 to 15 kt. Mostly clear. Seas 1 ft or less.

Friday

W wind around 13 kt. Sunny. Seas 1 ft or less.

Friday Night

W wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

WNW wind 5 to 10 kt becoming SW in the afternoon. Partly sunny. 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.