For More Weather Information:

New York, NY Local Forecast Office

18NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Tonight
W 23kt
< 1ft
Friday
W 22kt⇓
< 1ft
Friday Night
SW 14kt
< 1ft
Saturday
SW 11kt
< 1ft
Saturday Night
W 9kt
< 1ft
Sunday
WNW 12kt
< 1ft
Sunday Night
WNW 12kt
< 1ft
M.L.King Day
WSW 17kt
< 1ft
Monday Night
W 19kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:42 pm EST Jan 15, 2026
Forecast Valid: 7pm EST Jan 15, 2026-6pm EST Jan 22, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...

Tonight

W wind 20 to 23 kt. Mostly cloudy. Seas 1 ft or less.

Friday

W wind 19 to 22 kt becoming W 14 to 17 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

SW wind 11 to 14 kt. A slight chance of snow after 1am. Seas 1 ft or less.

Saturday

SW wind around 11 kt. A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Seas 1 ft or less.

Saturday Night

W wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

WNW wind 8 to 12 kt. A chance of snow after 1pm. Seas 1 ft or less.

Sunday Night

WNW wind around 12 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

M.L.King Day

WSW wind 12 to 17 kt, with gusts as high as 23 kt. Sunny. Seas 1 ft or less.

Monday Night

W wind around 19 kt. Partly cloudy. Seas 1 ft or less.

*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.