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12NM NW Islip NY

[NOTICE]

Last Update: 2:20 am EDT May 20, 2026
Forecast Valid: 2am EDT May 20, 2026-6pm EDT May 26, 2026

Wednesday

SW wind around 10 kt becoming W in the morning. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.

Wednesday Night

N wind 5 to 8 kt. Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Seas 1 ft or less.

Thursday

NNE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Showers likely, mainly before 11am. Seas 1 ft or less.

Thursday Night

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

Friday

NE wind 9 to 11 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.

Friday Night

SE wind around 6 kt becoming variable and less than 5 kt. Showers likely after 2am. Seas 1 ft or less.

Saturday

E wind 11 to 15 kt. Showers. Seas 1 ft or less.

Saturday Night

E wind 15 to 17 kt. Showers. Seas around 1 ft.

Sunday

E wind 14 to 16 kt, with gusts as high as 22 kt. Showers likely. Seas around 1 ft.

Winds and seas may be higher in and near tstms.

*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.