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12NM NW Islip NY

[NOTICE]

Last Update: 2:22 am EDT Aug 5, 2026
Forecast Valid: 2am EDT Aug 5, 2026-6pm EDT Aug 11, 2026

Wednesday

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

Wednesday Night

S wind around 6 kt. A slight chance of showers after 2am. Seas around 1 ft.

Thursday

SSW wind 5 to 8 kt. A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Thursday Night

SW wind 5 to 8 kt. A chance of showers and thunderstorms between 8pm and midnight. Seas around 1 ft.

Friday

Variable winds less than 5 kt becoming SW around 6 kt in the morning. Showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Showers likely before 8pm, then a chance of showers and thunderstorms between 8pm and midnight. Seas around 1 ft.

Saturday

SW wind 6 to 8 kt. Partly sunny. Seas around 1 ft.

Saturday Night

WSW wind around 7 kt. Partly cloudy. Seas around 1 ft.

Sunday

W wind around 7 kt. Sunny. 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.