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18NM WSW Islip NY

[NOTICE]

Last Update: 2:25 am EDT Mar 29, 2026
Forecast Valid: 12pm EDT Mar 29, 2026-6pm EDT Apr 4, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON

This Afternoon

S wind 11 to 15 kt. Sunny. Seas 1 ft or less.

Tonight

SSW wind 14 to 18 kt. Increasing clouds. Seas 1 ft or less.

Monday

SW wind 14 to 16 kt. A slight chance of showers after 2pm. Seas 1 ft or less.

Monday Night

SSW wind 11 to 13 kt. A slight chance of showers before 8pm, then a slight chance of showers after 2am. Seas 1 ft or less.

Tuesday

SSW wind 11 to 16 kt. A slight chance of showers before 2pm. Seas 1 ft or less.

Tuesday Night

SSW wind around 19 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

SSW wind around 16 kt, with gusts as high as 23 kt. A chance of showers after 2pm. Seas 1 ft or less.

Wednesday Night

SW wind around 10 kt becoming NNE after midnight. Rain likely. Seas 1 ft or less.

Thursday

NE wind 10 to 12 kt becoming E in the afternoon. A chance of rain. 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.