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18NM WSW Islip NY

[NOTICE]

Last Update: 5:51 am EDT Oct 28, 2026
Forecast Valid: 8am EDT Oct 28, 2026-6pm EST Nov 3, 2026

Today

NE wind 5 to 7 kt becoming SE in the afternoon. Mostly sunny. Seas 1 ft or less.

Tonight

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

Thursday

Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

WSW wind around 11 kt. Mostly clear. Seas 1 ft or less.

Friday

W wind 9 to 11 kt becoming WNW in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

NNW wind 9 to 13 kt. Mostly clear. Seas 1 ft or less.

Saturday

N wind around 7 kt. Sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Partly 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.