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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ESE wind around 6 kt. A chance of sprinkles before 5am.   Seas 1 ft or less.

      ESE 6kt
      < 1ft

    • Saturday

      Saturday:E wind around 11 kt becoming SE in the afternoon. Rain likely, mainly after 11am.   Seas 1 ft or less.

      E 11kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 8 to 10 kt. Rain.   Seas 1 ft or less.

      E 10kt
      < 1ft

    • Sunday

      Sunday:ENE wind around 13 kt. Rain likely, mainly before 8am.   Seas 1 ft or less.

      ENE 13kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind 9 to 11 kt. A slight chance of rain.   Seas 1 ft or less.

      NE 11kt
      < 1ft

    • Monday

      Monday:ENE wind around 12 kt. Sunny. Seas 1 ft or less.

      ENE 12kt
      < 1ft

    • Monday Night

      Monday Night:ENE wind around 7 kt. Mostly clear. Seas 1 ft or less.

      ENE 7kt
      < 1ft

    • Tuesday

      Tuesday:ENE wind 7 to 9 kt. Mostly sunny. Seas 1 ft or less.

      ENE 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers.   Seas 1 ft or less.

      E 6kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 10:34 pm EDT Apr 24, 2026
Forecast Valid: 12am EDT Apr 25, 2026-6pm EDT May 1, 2026

View Nearby Observations

Detailed Forecast


Overnight
ESE wind around 6 kt. A chance of sprinkles before 5am. Seas 1 ft or less.
Saturday
E wind around 11 kt becoming SE in the afternoon. Rain likely, mainly after 11am. Seas 1 ft or less.
Saturday Night
E wind 8 to 10 kt. Rain. Seas 1 ft or less.
Sunday
ENE wind around 13 kt. Rain likely, mainly before 8am. Seas 1 ft or less.
Sunday Night
NE wind 9 to 11 kt. A slight chance of rain. Seas 1 ft or less.
Monday
ENE wind around 12 kt. Sunny. Seas 1 ft or less.
Monday Night
ENE wind around 7 kt. Mostly clear. Seas 1 ft or less.
Tuesday
ENE wind 7 to 9 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
E wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers. 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: 10:34 pm EDT Apr 24, 2026
Forecast Valid: 12am EDT Apr 25, 2026-6pm EDT May 1, 2026
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