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New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]

Tonight
SSW 9kt
< 1ft
Sunday
SW 10kt
< 1ft
Sunday Night
SSW 12kt
< 1ft
Monday
S 10kt
< 1ft
Monday Night
S 9kt
< 1ft
Tuesday
SW 7kt
< 1ft
Tuesday Night
Light Wind
< 1ft
Wednesday
Light Wind
< 1ft
Wednesday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:44 pm EDT Jul 5, 2025
Forecast Valid: 6pm EDT Jul 5, 2025-6pm EDT Jul 12, 2025

View Nearby Observations

Detailed Forecast

Tonight

SSW wind around 9 kt. Partly cloudy. Seas 1 ft or less.

Sunday

SW wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

SSW wind 7 to 12 kt. Mostly clear. Seas 1 ft or less.

Monday

S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Monday Night

S wind 6 to 9 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday

SW wind 5 to 7 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Seas 1 ft or less.

Wednesday

Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

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.