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New York, NY Local Forecast Office

10NM E Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:W wind 8 to 11 kt increasing to 11 to 14 kt after midnight. Mostly clear. Seas around 1 ft.

      ⇑W 14kt
      1ft

    • Thursday

      Thursday:W wind 14 to 17 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 30 kt. Increasing clouds. Seas 1 to 2 ft.

      ⇑W 21kt
      1-2ft

    • Thursday Night

      Thursday Night:NW wind 21 to 26 kt becoming N 9 to 12 kt. Winds could gust as high as 35 kt. Mostly clear. Seas 1 ft or less.

      NW 26kt⇓
      < 1ft

    • Friday

      Friday:N wind 5 to 9 kt becoming S in the afternoon. Increasing clouds. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 7 kt becoming N after midnight. A chance of light rain.   Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Saturday

      Saturday:N wind 6 to 9 kt becoming W in the afternoon. A chance of rain before 1pm.   Seas 1 ft or less.

      NW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:WNW wind around 7 kt. Partly cloudy. Seas around 1 ft.

      WNW 7kt
      1ft

    • Sunday

      Sunday:NW wind 6 to 11 kt. Mostly sunny. Seas around 1 ft.

      NW 11kt
      1ft

    • Sunday Night

      Sunday Night:N wind 12 to 17 kt. Mostly cloudy. Seas around 1 ft.

      N 17kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 10:39 pm EST Dec 3, 2025
Forecast Valid: 11pm EST Dec 3, 2025-6pm EST Dec 10, 2025

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Detailed Forecast

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE

Overnight
W wind 8 to 11 kt increasing to 11 to 14 kt after midnight. Mostly clear. Seas around 1 ft.
Thursday
W wind 14 to 17 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 30 kt. Increasing clouds. Seas 1 to 2 ft.
Thursday Night
NW wind 21 to 26 kt becoming N 9 to 12 kt. Winds could gust as high as 35 kt. Mostly clear. Seas 1 ft or less.
Friday
N wind 5 to 9 kt becoming S in the afternoon. Increasing clouds. Seas 1 ft or less.
Friday Night
SSW wind around 7 kt becoming N after midnight. A chance of light rain. Seas 1 ft or less.
Saturday
N wind 6 to 9 kt becoming W in the afternoon. A chance of rain before 1pm. Seas 1 ft or less.
Saturday Night
WNW wind around 7 kt. Partly cloudy. Seas around 1 ft.
Sunday
NW wind 6 to 11 kt. Mostly sunny. Seas around 1 ft.
Sunday Night
N wind 12 to 17 kt. Mostly cloudy. 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: 40.72°N 72.98°W
Last Update: 10:39 pm EST Dec 3, 2025
Forecast Valid: 11pm EST Dec 3, 2025-6pm EST Dec 10, 2025
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