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New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]

Tuesday
⇑W 7kt
< 1ft
Tuesday Night
Light Wind
< 1ft
Wednesday
⇑S 6kt
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
ENE 6kt
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
ENE 6kt
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
ENE 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 10:03 pm EDT Jul 7, 2025
Forecast Valid: 1am EDT Jul 8, 2025-6pm EDT Jul 14, 2025

View Nearby Observations

Detailed Forecast

Tuesday

Variable winds less than 5 kt becoming W 5 to 7 kt in the morning. A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Seas 1 ft or less.

Wednesday Night

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

Thursday

ENE wind around 6 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.

Friday

ENE wind around 6 kt. A chance of showers before 2pm. Seas 1 ft or less.

Friday Night

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

Saturday

ENE wind around 7 kt becoming E in the afternoon. Mostly cloudy. 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.