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New York, NY Local Forecast Office

13NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming WSW 5 to 8 kt in the morning. Mostly cloudy. Seas 1 ft or less.

      ⇑WSW 8kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind 9 to 11 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.

      W 11kt
      < 1ft

    • Sunday

      Sunday:NNW wind around 6 kt becoming variable and less than 5 kt. Partly sunny. Seas 1 ft or less.

      NNW 6kt⇓
      < 1ft

    • Sunday Night

      Sunday Night:WSW wind 7 to 10 kt becoming NW 12 to 15 kt after midnight. Mostly cloudy. Seas 1 ft or less.

      ⇑NW 15kt
      < 1ft

    • Monday

      Monday:NNW wind around 17 kt. Mostly sunny. Seas around 1 ft.

      NNW 17kt
      1ft

    • Monday Night

      Monday Night:N wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Partly cloudy. Seas around 1 ft.

      N 14kt⇓
      1ft

    • Tuesday

      Tuesday:NNW wind 6 to 9 kt becoming SW 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑SW 12kt
      < 1ft


Associated Zone Forecast which includes this point

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

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Cloudy. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming WSW 5 to 8 kt in the morning. Mostly cloudy. Seas 1 ft or less.
Saturday Night
WSW wind 9 to 11 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.
Sunday
NNW wind around 6 kt becoming variable and less than 5 kt. Partly sunny. Seas 1 ft or less.
Sunday Night
WSW wind 7 to 10 kt becoming NW 12 to 15 kt after midnight. Mostly cloudy. Seas 1 ft or less.
Monday
NNW wind around 17 kt. Mostly sunny. Seas around 1 ft.
Monday Night
N wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Partly cloudy. Seas around 1 ft.
Tuesday
NNW wind 6 to 9 kt becoming SW 9 to 12 kt in the afternoon. Mostly 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: 40.89°N 73.42°W
Last Update: 1:11 pm EST Dec 5, 2025
Forecast Valid: 1pm EST Dec 5, 2025-6pm EST Dec 11, 2025
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