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18NM WSW Islip NY

[NOTICE]

Last Update: 2:12 am EDT Mar 23, 2026
Forecast Valid: 11am EDT Mar 23, 2026-6pm EDT Mar 29, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

Today

N wind around 11 kt. A chance of showers, mainly before 2pm. Seas 1 ft or less.

Tonight

NNW wind 12 to 14 kt. A slight chance of showers before 8pm. Seas 1 ft or less.

Tuesday

N wind 8 to 11 kt becoming W 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

SW wind 9 to 11 kt. Increasing clouds. Seas 1 ft or less.

Wednesday

SW wind 8 to 13 kt becoming S in the afternoon. Partly sunny. Seas 1 ft or less.

Wednesday Night

SSW wind 10 to 14 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

SSW wind 10 to 12 kt. Mostly cloudy. Seas 1 ft or less.

Thursday Night

SSW wind around 11 kt. Rain likely. Seas 1 ft or less.

Friday

WSW wind around 12 kt becoming NNW in the afternoon. Rain 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.