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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Tonight
ENE 13kt
2ft
Washington's Birthday
NE 13kt⇓
2ft
Monday Night
Light Wind
4ft
Tuesday
SW 8kt
3-4ft
Tuesday Night
Light Wind
3-4ft
Wednesday
⇑ESE 9kt
2-3ft
Wednesday Night
NE 11kt
3ft
Thursday
ENE 10kt
2-3ft
Thursday Night
ENE 10kt
2-3ft

Associated Zone Forecast which includes this point

Last Update: 7:19 pm EST Feb 15, 2026
Forecast Valid: 9pm EST Feb 15, 2026-6pm EST Feb 22, 2026

View Nearby Observations

Detailed Forecast

Tonight

ENE wind around 13 kt. Snow, mainly before 4am. Seas around 2 ft.

Washington's Birthday

NE wind 10 to 13 kt decreasing to 6 to 9 kt in the afternoon. Winds could gust as high as 20 kt. A chance of snow, mainly before 7am. Seas around 2 ft.

Monday Night

Variable winds 5 kt or less. A slight chance of snow showers and sleet after 1am. Seas 2 ft building to 4 ft.

Tuesday

SW wind 6 to 8 kt. Partly sunny. Seas 3 to 4 ft.

Tuesday Night

Variable winds 5 kt or less. Increasing clouds. Seas 3 to 4 ft.

Wednesday

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. Rain likely, mainly after noon. Seas 2 to 3 ft.

Wednesday Night

ESE wind 8 to 11 kt becoming N after midnight. A chance of rain before midnight. Seas around 3 ft.

Thursday

NE wind around 10 kt becoming E in the afternoon. Mostly cloudy. Seas 2 to 3 ft.

Thursday Night

ENE wind 8 to 10 kt. Mostly cloudy. Seas 2 to 3 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.