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New York, NY Local Forecast Office

10NM E Islip NY

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:NNE wind 5 to 7 kt becoming variable and less than 5 kt. Increasing clouds. Seas 1 ft or less.

      NNE 7kt⇓
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of light rain, mainly between 1am and 4am.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. A slight chance of light rain before 10am.   Seas 1 ft or less.

      ⇑WSW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind 8 to 11 kt becoming NW after midnight. Partly cloudy. Seas around 1 ft.

      W 11kt
      1ft

    • Sunday

      Sunday:NNW wind around 7 kt becoming SE in the afternoon. Increasing clouds. Seas around 1 ft.

      NNW 7kt
      1ft

    • Sunday Night

      Sunday Night:SW wind 5 to 8 kt becoming WNW 11 to 16 kt after midnight. A chance of rain before 1am.   Seas 1 to 2 ft.

      ⇑WNW 16kt
      1-2ft

    • Monday

      Monday:NNW wind 20 to 23 kt, with gusts as high as 29 kt. Mostly sunny. Seas around 1 ft.

      NNW 23kt
      1ft

    • Monday Night

      Monday Night:N wind 12 to 17 kt decreasing to 5 to 10 kt after midnight. Mostly clear. Seas 1 ft or less.

      N 17kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SW 13 to 18 kt in the morning. Partly sunny. Seas 1 ft or less.

      ⇑SW 18kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:05 am EST Dec 5, 2025
Forecast Valid: 1am EST Dec 5, 2025-6pm EST Dec 11, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY...

Friday
NNE wind 5 to 7 kt becoming variable and less than 5 kt. Increasing clouds. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of light rain, mainly between 1am and 4am. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. A slight chance of light rain before 10am. Seas 1 ft or less.
Saturday Night
W wind 8 to 11 kt becoming NW after midnight. Partly cloudy. Seas around 1 ft.
Sunday
NNW wind around 7 kt becoming SE in the afternoon. Increasing clouds. Seas around 1 ft.
Sunday Night
SW wind 5 to 8 kt becoming WNW 11 to 16 kt after midnight. A chance of rain before 1am. Seas 1 to 2 ft.
Monday
NNW wind 20 to 23 kt, with gusts as high as 29 kt. Mostly sunny. Seas around 1 ft.
Monday Night
N wind 12 to 17 kt decreasing to 5 to 10 kt after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SW 13 to 18 kt in the morning. Partly sunny. 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: 40.72°N 72.98°W
Last Update: 1:05 am EST Dec 5, 2025
Forecast Valid: 1am EST Dec 5, 2025-6pm EST Dec 11, 2025
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