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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind around 10 kt. Showers likely, mainly after 11am.   Seas 1 ft or less.

      SE 10kt
      < 1ft

    • Tonight

      Tonight:E wind around 9 kt. Showers.   Seas 1 ft or less.

      E 9kt
      < 1ft

    • Sunday

      Sunday:ENE wind around 14 kt, with gusts as high as 21 kt. A chance of showers.   Seas 1 ft or less.

      ENE 14kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind around 11 kt. A slight chance of showers.   Seas 1 ft or less.

      NE 11kt
      < 1ft

    • Monday

      Monday:NE wind around 13 kt. A slight chance of showers.   Seas around 1 ft.

      NE 13kt
      1ft

    • Monday Night

      Monday Night:NE wind 10 to 12 kt. Partly cloudy. Seas 1 ft or less.

      NE 12kt
      < 1ft

    • Tuesday

      Tuesday:NE wind around 10 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

      NE 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers.   Seas 1 ft or less.

      E 7kt⇓
      < 1ft

    • Wednesday

      Wednesday:E wind 5 to 7 kt. A chance of showers.   Seas around 1 ft.

      E 7kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 7:17 am EDT Apr 25, 2026
Forecast Valid: 8am EDT Apr 25, 2026-6pm EDT May 1, 2026

View Nearby Observations

Detailed Forecast


Today
SE wind around 10 kt. Showers likely, mainly after 11am. Seas 1 ft or less.
Tonight
E wind around 9 kt. Showers. Seas 1 ft or less.
Sunday
ENE wind around 14 kt, with gusts as high as 21 kt. A chance of showers. Seas 1 ft or less.
Sunday Night
NE wind around 11 kt. A slight chance of showers. Seas 1 ft or less.
Monday
NE wind around 13 kt. A slight chance of showers. Seas around 1 ft.
Monday Night
NE wind 10 to 12 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
NE wind around 10 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers. Seas 1 ft or less.
Wednesday
E wind 5 to 7 kt. A chance of showers. 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: 7:17 am EDT Apr 25, 2026
Forecast Valid: 8am EDT Apr 25, 2026-6pm EDT May 1, 2026
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