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3NM SW Islip NY

[NOTICE]

Last Update: 4:33 pm EDT Aug 27, 2026
Forecast Valid: 4pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026

Late Afternoon

S wind around 12 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Tonight

S wind 7 to 10 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming N 5 to 8 kt after midnight. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.

Saturday

N wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

SW wind 7 to 9 kt. Partly cloudy. Seas 1 ft or less.

Monday

WSW wind 5 to 7 kt. Partly sunny. Seas 1 ft or less.

Winds and waves 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.