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New York, NY Local Forecast Office

11NM ESE Islip NY

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:Variable winds less than 5 kt becoming WNW 5 to 10 kt in the morning. Mostly cloudy. Seas 1 ft or less.

      ⇑WNW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind 8 to 12 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.

      W 12kt
      < 1ft

    • Sunday

      Sunday:NNW wind around 7 kt becoming SW in the afternoon. Partly sunny. Seas 1 ft or less.

      NNW 7kt
      < 1ft

    • Sunday Night

      Sunday Night:WSW wind 9 to 12 kt becoming NW 17 to 22 kt. Mostly cloudy. Seas 1 ft or less.

      ⇑NW 22kt
      < 1ft

    • Monday

      Monday:N wind 21 to 24 kt decreasing to 18 to 21 kt in the afternoon. Mostly sunny. Seas around 1 ft.

      N 24kt⇓
      1ft

    • Monday Night

      Monday Night:N wind 13 to 16 kt decreasing to 8 to 11 kt after midnight. Partly cloudy. Seas 1 ft or less.

      N 16kt⇓
      < 1ft

    • Tuesday

      Tuesday:NNE wind 6 to 9 kt becoming SSW 12 to 17 kt in the morning. Partly sunny. Seas 1 ft or less.

      ⇑SSW 17kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 16 to 21 kt. Mostly cloudy. Seas around 1 ft.

      WSW 21kt
      1ft

    • Wednesday

      Wednesday:SSW wind 14 to 17 kt increasing to 19 to 22 kt in the afternoon. A chance of rain.   Seas around 1 ft.

      ⇑SSW 22kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 12:53 am EST Dec 6, 2025
Forecast Valid: 4am EST Dec 6, 2025-6pm EST Dec 12, 2025

View Nearby Observations

Detailed Forecast


Saturday
Variable winds less than 5 kt becoming WNW 5 to 10 kt in the morning. Mostly cloudy. Seas 1 ft or less.
Saturday Night
W wind 8 to 12 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.
Sunday
NNW wind around 7 kt becoming SW in the afternoon. Partly sunny. Seas 1 ft or less.
Sunday Night
WSW wind 9 to 12 kt becoming NW 17 to 22 kt. Mostly cloudy. Seas 1 ft or less.
Monday
N wind 21 to 24 kt decreasing to 18 to 21 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Monday Night
N wind 13 to 16 kt decreasing to 8 to 11 kt after midnight. Partly cloudy. Seas 1 ft or less.
Tuesday
NNE wind 6 to 9 kt becoming SSW 12 to 17 kt in the morning. Partly sunny. Seas 1 ft or less.
Tuesday Night
WSW wind 16 to 21 kt. Mostly cloudy. Seas around 1 ft.
Wednesday
SSW wind 14 to 17 kt increasing to 19 to 22 kt in the afternoon. A chance of rain. 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: 40.7°N 72.99°W
Last Update: 12:53 am EST Dec 6, 2025
Forecast Valid: 4am EST Dec 6, 2025-6pm EST Dec 12, 2025
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