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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds less than 5 kt becoming ENE 5 to 8 kt in the evening. Rain likely, mainly before 10pm. Patchy fog before 4am. Seas 1 ft or less.

      ⇑ENE 8kt
      < 1ft

    • Thursday

      Thursday:ENE wind 6 to 8 kt. Mostly cloudy. Seas 1 ft or less.

      ENE 8kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 5 to 10 kt. A chance of snow before 10pm, then rain likely. Seas 1 ft or less.

      ENE 10kt
      < 1ft

    • Friday

      Friday:ENE wind 12 to 14 kt. Rain. Seas 1 ft or less.

      ENE 14kt
      < 1ft

    • Friday Night

      Friday Night:NE wind 8 to 11 kt becoming N 5 to 8 kt after midnight. Rain likely before 10pm, then a chance of rain and snow between 10pm and 1am, then a slight chance of rain after 1am. Seas 1 ft or less.

      NE 11kt⇓
      < 1ft

    • Saturday

      Saturday:WNW wind around 7 kt becoming NNE in the afternoon. A chance of rain after 1pm. Seas 1 ft or less.

      WNW 7kt
      < 1ft

    • Saturday Night

      Saturday Night:ENE wind 6 to 9 kt. A chance of rain before 1am, then a chance of rain and snow. Seas 1 ft or less.

      ENE 9kt
      < 1ft

    • Sunday

      Sunday:ENE wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. A chance of snow. Seas 1 ft or less.

      ⇑ENE 18kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind 22 to 25 kt. A chance of snow. Seas around 1 ft.

      NE 25kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 12:48 pm EST Feb 18, 2026
Forecast Valid: 6pm EST Feb 18, 2026-6pm EST Feb 25, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds less than 5 kt becoming ENE 5 to 8 kt in the evening. Rain likely, mainly before 10pm. Patchy fog before 4am. Seas 1 ft or less.
Thursday
ENE wind 6 to 8 kt. Mostly cloudy. Seas 1 ft or less.
Thursday Night
ENE wind 5 to 10 kt. A chance of snow before 10pm, then rain likely. Seas 1 ft or less.
Friday
ENE wind 12 to 14 kt. Rain. Seas 1 ft or less.
Friday Night
NE wind 8 to 11 kt becoming N 5 to 8 kt after midnight. Rain likely before 10pm, then a chance of rain and snow between 10pm and 1am, then a slight chance of rain after 1am. Seas 1 ft or less.
Saturday
WNW wind around 7 kt becoming NNE in the afternoon. A chance of rain after 1pm. Seas 1 ft or less.
Saturday Night
ENE wind 6 to 9 kt. A chance of rain before 1am, then a chance of rain and snow. Seas 1 ft or less.
Sunday
ENE wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. A chance of snow. Seas 1 ft or less.
Sunday Night
NE wind 22 to 25 kt. A chance of snow. 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: 40.91°N 73.39°W
Last Update: 12:48 pm EST Feb 18, 2026
Forecast Valid: 6pm EST Feb 18, 2026-6pm EST Feb 25, 2026
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