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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WSW wind 5 to 9 kt. Rain, mainly before 4am.  Patchy fog.  Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A slight chance of rain before 7am.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A slight chance of rain after 1am.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. Rain likely, mainly between 10am and 1pm.   Seas 1 ft or less.

      ⇑ENE 6kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 7 to 12 kt. Rain.   Seas 1 ft or less.

      ENE 12kt
      < 1ft

    • Friday

      Friday:NE wind 9 to 13 kt. A chance of rain before 1pm.   Seas 1 ft or less.

      NE 13kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Cloudy. Seas 1 ft or less.

      ENE 7kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Cloudy. Seas 1 ft or less.

      ⇑SSW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind 12 to 14 kt. Showers likely.   Seas 1 ft or less.

      SSW 14kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:28 pm EST Mar 3, 2026
Forecast Valid: 12am EST Mar 4, 2026-6pm EDT Mar 10, 2026

View Nearby Observations

Detailed Forecast


Overnight
WSW wind 5 to 9 kt. Rain, mainly before 4am. Patchy fog. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. A slight chance of rain before 7am. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A slight chance of rain after 1am. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. Rain likely, mainly between 10am and 1pm. Seas 1 ft or less.
Thursday Night
ENE wind 7 to 12 kt. Rain. Seas 1 ft or less.
Friday
NE wind 9 to 13 kt. A chance of rain before 1pm. Seas 1 ft or less.
Friday Night
ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Cloudy. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Cloudy. Seas 1 ft or less.
Saturday Night
SSW wind 12 to 14 kt. Showers likely. 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: 40.91°N 73.39°W
Last Update: 7:28 pm EST Mar 3, 2026
Forecast Valid: 12am EST Mar 4, 2026-6pm EDT Mar 10, 2026
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