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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NW wind around 8 kt. Sunny. Seas 1 ft or less.

      NW 8kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:N wind around 6 kt. Sunny. Seas 1 ft or less.

      N 6kt
      < 1ft

    • Thursday Night

      Thursday Night:NNE wind around 6 kt. Partly cloudy. Seas 1 ft or less.

      NNE 6kt
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:Variable winds less than 5 kt becoming W 7 to 12 kt in the evening. Cloudy. Seas 1 ft or less.

      ⇑W 12kt
      < 1ft

    • Saturday

      Saturday:NW wind 19 to 22 kt increasing to 24 to 27 kt in the afternoon. Winds could gust as high as 35 kt. A chance of snow before 1pm.   Seas around 1 ft.

      ⇑NW 27kt
      1ft

    • Saturday Night

      Saturday Night:NNW wind 26 to 29 kt decreasing to 23 to 26 kt after midnight. Winds could gust as high as 36 kt. Partly cloudy. Seas 1 to 2 ft.

      NNW 29kt⇓
      1-2ft

    • Sunday

      Sunday:NW wind 15 to 19 kt. Sunny. Seas around 1 ft.

      NW 19kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 1:52 pm EST Feb 4, 2026
Forecast Valid: 3pm EST Feb 4, 2026-6pm EST Feb 11, 2026

View Nearby Observations

Detailed Forecast

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

This Afternoon
NW wind around 8 kt. Sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.
Thursday
N wind around 6 kt. Sunny. Seas 1 ft or less.
Thursday Night
NNE wind around 6 kt. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming W 7 to 12 kt in the evening. Cloudy. Seas 1 ft or less.
Saturday
NW wind 19 to 22 kt increasing to 24 to 27 kt in the afternoon. Winds could gust as high as 35 kt. A chance of snow before 1pm. Seas around 1 ft.
Saturday Night
NNW wind 26 to 29 kt decreasing to 23 to 26 kt after midnight. Winds could gust as high as 36 kt. Partly cloudy. Seas 1 to 2 ft.
Sunday
NW wind 15 to 19 kt. Sunny. Seas around 1 ft.

*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: 1:52 pm EST Feb 4, 2026
Forecast Valid: 3pm EST Feb 4, 2026-6pm EST Feb 11, 2026
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