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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

Today
W 10kt
< 1ft
Tonight
NNW 11kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
S 6kt
< 1ft
Saturday
⇑SSW 13kt
< 1ft
Saturday Night
SSW 13kt
< 1ft
Sunday
NW 11kt
< 1ft
Sunday Night
NNW 8kt
< 1ft
Monday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 4:57 am EDT Jul 16, 2026
Forecast Valid: 11am EDT Jul 16, 2026-6pm EDT Jul 22, 2026

View Nearby Observations

Detailed Forecast

Today

W wind 7 to 10 kt. Patchy smoke. Seas 1 ft or less.

Tonight

NNW wind 8 to 11 kt decreasing to 5 to 8 kt after midnight. Widespread smoke, mainly after midnight. Seas 1 ft or less.

Friday

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

Friday Night

S wind around 6 kt. Partly cloudy. Seas 1 ft or less.

Saturday

SSW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Showers, with thunderstorms also possible after 5pm. Seas 1 ft or less.

Saturday Night

S wind around 13 kt becoming SW after midnight. Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Seas 1 ft or less.

Sunday

NW wind 7 to 11 kt. A chance of showers before 8am. Seas 1 ft or less.

Sunday Night

NNW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. 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.