National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:NNE wind around 6 kt. Mostly cloudy. Seas 1 ft or less.

      NNE 6kt
      < 1ft

    • Friday

      Friday:NNE wind around 6 kt becoming variable and less than 5 kt in the morning. Mostly cloudy. Seas 1 ft or less.

      NNE 6kt⇓
      < 1ft

    • Friday Night

      Friday Night:Variable winds less than 5 kt becoming W around 6 kt after midnight. Snow, mainly after 1am. Seas 1 ft or less.

      ⇑W 6kt
      < 1ft

    • Saturday

      Saturday:NW wind 11 to 16 kt increasing to 26 to 31 kt. Winds could gust as high as 38 kt. Snow likely, mainly before 1pm. Seas 1 ft or less building to 2 ft.

      ⇑NW 31kt
      Waves Building2ft

    • Saturday Night

      Saturday Night:NNW wind 30 to 33 kt decreasing to 24 to 27 kt after midnight. Winds could gust as high as 40 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 2 ft.

      NNW 33kt⇓
      2ft

    • Sunday

      Sunday:NW wind 22 to 25 kt decreasing to 19 to 22 kt in the afternoon. Sunny. Seas around 1 ft.

      NW 25kt⇓
      1ft

    • Sunday Night

      Sunday Night:NW wind 16 to 19 kt decreasing to 13 to 16 kt after midnight. Mostly clear. Seas around 1 ft.

      NW 19kt⇓
      1ft

    • Monday

      Monday:NW wind around 11 kt. Mostly sunny. Seas 1 ft or less.

      NW 11kt
      < 1ft

    • Monday Night

      Monday Night:NW wind 8 to 10 kt. Partly cloudy. Seas 1 ft or less.

      NW 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:09 pm EST Feb 5, 2026
Forecast Valid: 12am EST Feb 6, 2026-6pm EST Feb 12, 2026

View Nearby Observations

Detailed Forecast

...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE

Overnight
NNE wind around 6 kt. Mostly cloudy. Seas 1 ft or less.
Friday
NNE wind around 6 kt becoming variable and less than 5 kt in the morning. Mostly cloudy. Seas 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming W around 6 kt after midnight. Snow, mainly after 1am. Seas 1 ft or less.
Saturday
NW wind 11 to 16 kt increasing to 26 to 31 kt. Winds could gust as high as 38 kt. Snow likely, mainly before 1pm. Seas 1 ft or less building to 2 ft.
Saturday Night
NNW wind 30 to 33 kt decreasing to 24 to 27 kt after midnight. Winds could gust as high as 40 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 2 ft.
Sunday
NW wind 22 to 25 kt decreasing to 19 to 22 kt in the afternoon. Sunny. Seas around 1 ft.
Sunday Night
NW wind 16 to 19 kt decreasing to 13 to 16 kt after midnight. Mostly clear. Seas around 1 ft.
Monday
NW wind around 11 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
NW wind 8 to 10 kt. Partly cloudy. Seas 1 ft or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 40.91°N 73.39°W
Last Update: 1:09 pm EST Feb 5, 2026
Forecast Valid: 12am EST Feb 6, 2026-6pm EST Feb 12, 2026
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