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18NM WSW Islip NY

[NOTICE]

Last Update: 2:54 pm EDT Oct 2, 2026
Forecast Valid: 4pm EDT Oct 2, 2026-6pm EDT Oct 9, 2026

Late Afternoon

SW wind around 11 kt. A chance of showers after 5pm. Seas 1 ft or less.

Tonight

WNW wind around 8 kt becoming N after midnight. Showers likely, mainly before 9pm. Seas 1 ft or less.

Saturday

NNE wind around 10 kt. Sunny. Seas 1 ft or less.

Saturday Night

E wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

Sunday

E wind 12 to 14 kt. A chance of showers after 2pm. Seas 1 ft or less.

Sunday Night

E wind 5 to 9 kt becoming NNE after midnight. A chance of showers before 2am. Seas 1 ft or less.

Monday

WNW wind 6 to 11 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

NW wind around 9 kt. Sunny. 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.