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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 21 to 24 kt decreasing to 16 to 19 kt after midnight. Winds could gust as high as 31 kt. Mostly clear. Seas 1 ft or less.

      W 24kt⇓
      < 1ft

    • Saturday

      Saturday:WNW wind 15 to 18 kt decreasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

      WNW 18kt⇓
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds less than 5 kt becoming S 6 to 11 kt after midnight. Increasing clouds. Seas 1 ft or less.

      ⇑S 11kt
      < 1ft

    • Sunday

      Sunday:S wind 15 to 18 kt increasing to 21 to 24 kt in the afternoon. Rain, mainly after 1pm.   Seas 1 ft or less.

      ⇑S 24kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 21 to 24 kt becoming WNW after midnight. A chance of rain before 1am.   Seas 1 ft or less.

      SW 24kt
      < 1ft

    • Monday

      Monday:WNW wind 15 to 18 kt decreasing to 12 to 15 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      WNW 18kt⇓
      1-2ft

    • Monday Night

      Monday Night:N wind 7 to 9 kt becoming SE after midnight. Increasing clouds. Seas around 1 ft.

      N 9kt
      1ft

    • Tuesday

      Tuesday:SE wind 9 to 12 kt becoming E 14 to 19 kt in the afternoon. Rain.   Seas 1 to 2 ft.

      ⇑E 19kt
      1-2ft

    • Tuesday Night

      Tuesday Night:NNW wind around 21 kt. Rain likely.   Seas 3 to 4 ft.

      NNW 21kt
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 5:57 pm EST Nov 28, 2025
Forecast Valid: 8pm EST Nov 28, 2025-6pm EST Dec 5, 2025

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Detailed Forecast

...GALE WARNING IN EFFECT UNTIL 1 AM EST SATURDAY...

Tonight
W wind 21 to 24 kt decreasing to 16 to 19 kt after midnight. Winds could gust as high as 31 kt. Mostly clear. Seas 1 ft or less.
Saturday
WNW wind 15 to 18 kt decreasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Saturday Night
Variable winds less than 5 kt becoming S 6 to 11 kt after midnight. Increasing clouds. Seas 1 ft or less.
Sunday
S wind 15 to 18 kt increasing to 21 to 24 kt in the afternoon. Rain, mainly after 1pm. Seas 1 ft or less.
Sunday Night
SW wind 21 to 24 kt becoming WNW after midnight. A chance of rain before 1am. Seas 1 ft or less.
Monday
WNW wind 15 to 18 kt decreasing to 12 to 15 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Monday Night
N wind 7 to 9 kt becoming SE after midnight. Increasing clouds. Seas around 1 ft.
Tuesday
SE wind 9 to 12 kt becoming E 14 to 19 kt in the afternoon. Rain. Seas 1 to 2 ft.
Tuesday Night
NNW wind around 21 kt. Rain likely. Seas 3 to 4 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: 40.62°N 73.24°W
Last Update: 5:57 pm EST Nov 28, 2025
Forecast Valid: 8pm EST Nov 28, 2025-6pm EST Dec 5, 2025
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