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18NM WSW Islip NY

[NOTICE]

Last Update: 3:09 am EDT Oct 7, 2026
Forecast Valid: 11am EDT Oct 7, 2026-6pm EDT Oct 13, 2026

Today

SSW wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.

Tonight

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

Thursday

W wind 10 to 12 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

WNW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

Friday

WNW wind 7 to 10 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

NW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Saturday

NNE wind 5 to 9 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

S wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

Sunday

S wind 6 to 10 kt. A chance of showers. 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.