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New York, NY Local Forecast Office

10NM E Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 17 to 19 kt, with gusts as high as 27 kt. Partly cloudy. Seas around 1 ft.

      W 19kt
      1ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:W wind 18 to 23 kt, with gusts as high as 37 kt. Mostly sunny. Seas 1 to 2 ft.

      W 23kt
      1-2ft

      Gale Warning
      Gale Warning

    • Friday Night

      Friday Night:W wind 20 to 24 kt, with gusts as high as 36 kt. Mostly clear. Seas 1 to 2 ft.

      W 24kt
      1-2ft

      Gale Warning
      Gale Warning

    • Saturday

      Saturday:WNW wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas 1 ft or less.

      WNW 15kt⇓
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds less than 5 kt becoming S 5 to 7 kt after midnight. Increasing clouds. Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Sunday

      Sunday:S wind 11 to 14 kt increasing to 17 to 20 kt in the afternoon. Rain likely after 1pm.   Seas 1 ft or less.

      ⇑S 20kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 16 to 20 kt becoming WNW after midnight. A chance of rain before 1am.   Seas around 1 ft.

      SW 20kt
      1ft

    • Monday

      Monday:WNW wind 12 to 14 kt. Partly sunny. Seas around 1 ft.

      WNW 14kt
      1ft

    • Monday Night

      Monday Night:N wind 7 to 9 kt becoming ENE after midnight. Mostly cloudy. Seas 1 ft or less.

      N 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:01 pm EST Nov 27, 2025
Forecast Valid: 4pm EST Nov 27, 2025-6pm EST Dec 4, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Tonight
W wind 17 to 19 kt, with gusts as high as 27 kt. Partly cloudy. Seas around 1 ft.
Friday
W wind 18 to 23 kt, with gusts as high as 37 kt. Mostly sunny. Seas 1 to 2 ft.
Friday Night
W wind 20 to 24 kt, with gusts as high as 36 kt. Mostly clear. Seas 1 to 2 ft.
Saturday
WNW wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas 1 ft or less.
Saturday Night
Variable winds less than 5 kt becoming S 5 to 7 kt after midnight. Increasing clouds. Seas 1 ft or less.
Sunday
S wind 11 to 14 kt increasing to 17 to 20 kt in the afternoon. Rain likely after 1pm. Seas 1 ft or less.
Sunday Night
SW wind 16 to 20 kt becoming WNW after midnight. A chance of rain before 1am. Seas around 1 ft.
Monday
WNW wind 12 to 14 kt. Partly sunny. Seas around 1 ft.
Monday Night
N wind 7 to 9 kt becoming ENE after midnight. Mostly 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: 40.72°N 72.98°W
Last Update: 1:01 pm EST Nov 27, 2025
Forecast Valid: 4pm EST Nov 27, 2025-6pm EST Dec 4, 2025
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