For More Weather Information:

New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Sunday
N 12kt
1ft
Sunday Night
N 12kt
1ft
Monday
N 10kt⇓
1ft
Monday Night
SSE 8kt
1ft
Tuesday
SSE 10kt
1ft
Tuesday Night
SW 11kt
1-2ft
Wednesday
WSW 9kt
1-2ft
Wednesday Night
S 7kt
1-2ft
Thursday
SSW 10kt
2ft

Associated Zone Forecast which includes this point

Last Update: 1:58 am EST Mar 1, 2026
Forecast Valid: 2am EST Mar 1, 2026-6pm EST Mar 7, 2026

View Nearby Observations

Detailed Forecast

Sunday

N wind 9 to 12 kt. A chance of rain and snow before 10am, then snow likely between 10am and 1pm. Seas around 1 ft.

Sunday Night

N wind 10 to 12 kt. Mostly clear. Seas around 1 ft.

Monday

N wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Monday Night

SSE wind 5 to 8 kt. Partly cloudy. Seas around 1 ft.

Tuesday

SSE wind 7 to 10 kt. A chance of snow and sleet before 10am, then a chance of rain and snow between 10am and 1pm, then rain after 1pm. Seas around 1 ft.

Tuesday Night

S wind around 11 kt becoming WSW after midnight. Rain. Seas 1 to 2 ft.

Wednesday

WSW wind 6 to 9 kt becoming SSE in the afternoon. A chance of rain before 1pm. Seas 1 to 2 ft.

Wednesday Night

SSE wind around 7 kt becoming SSW after midnight. A chance of rain. Seas 1 to 2 ft.

Thursday

SSW wind 8 to 10 kt. A chance of rain. Seas around 2 ft.

*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.