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New York, NY Local Forecast Office

16NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:NNW wind 6 to 9 kt becoming W in the afternoon. Mostly cloudy. Seas around 2 ft.

      W 9kt
      2ft

    • Tonight

      Tonight:W wind 9 to 11 kt becoming NW after midnight. Partly cloudy. Seas 2 to 3 ft.

      W 11kt
      2-3ft

    • Sunday

      Sunday:NNW wind around 7 kt becoming WSW in the afternoon. Partly sunny. Seas 2 to 3 ft.

      NNW 7kt
      2-3ft

    • Sunday Night

      Sunday Night:WSW wind 9 to 12 kt becoming NW 14 to 17 kt after midnight. Winds could gust as high as 24 kt. Mostly cloudy. Seas around 2 ft.

      ⇑NW 17kt
      2ft

    • Monday

      Monday:N wind 17 to 20 kt decreasing to 14 to 17 kt in the afternoon. Winds could gust as high as 26 kt. Mostly sunny. Seas around 2 ft.

      N 20kt⇓
      2ft

    • Monday Night

      Monday Night:N wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

      N 13kt⇓
      1-2ft

    • Tuesday

      Tuesday:N wind 6 to 9 kt becoming SW 10 to 13 kt in the morning. Partly sunny. Seas 1 to 2 ft.

      ⇑SW 13kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SW wind 12 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.

      SW 15kt
      3-4ft

    • Wednesday

      Wednesday:SSW wind 12 to 15 kt, with gusts as high as 22 kt. A chance of rain.   Seas 3 ft building to 6 ft.

      SSW 15kt
      Waves Building6ft


Associated Zone Forecast which includes this point

Last Update: 7:42 am EST Dec 6, 2025
Forecast Valid: 11am EST Dec 6, 2025-6pm EST Dec 12, 2025

View Nearby Observations

Detailed Forecast


Today
NNW wind 6 to 9 kt becoming W in the afternoon. Mostly cloudy. Seas around 2 ft.
Tonight
W wind 9 to 11 kt becoming NW after midnight. Partly cloudy. Seas 2 to 3 ft.
Sunday
NNW wind around 7 kt becoming WSW in the afternoon. Partly sunny. Seas 2 to 3 ft.
Sunday Night
WSW wind 9 to 12 kt becoming NW 14 to 17 kt after midnight. Winds could gust as high as 24 kt. Mostly cloudy. Seas around 2 ft.
Monday
N wind 17 to 20 kt decreasing to 14 to 17 kt in the afternoon. Winds could gust as high as 26 kt. Mostly sunny. Seas around 2 ft.
Monday Night
N wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 1 to 2 ft.
Tuesday
N wind 6 to 9 kt becoming SW 10 to 13 kt in the morning. Partly sunny. Seas 1 to 2 ft.
Tuesday Night
SW wind 12 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.
Wednesday
SSW wind 12 to 15 kt, with gusts as high as 22 kt. A chance of rain. Seas 3 ft building to 6 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: 40.59°N 73.51°W
Last Update: 7:42 am EST Dec 6, 2025
Forecast Valid: 11am EST Dec 6, 2025-6pm EST Dec 12, 2025
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