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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 23 kt. Sunny. Seas around 1 ft.

      W 16kt⇓
      1ft

    • Tonight

      Tonight:WSW wind 13 to 16 kt, with gusts as high as 22 kt. Mostly clear. Seas 1 ft or less.

      WSW 16kt
      < 1ft

    • Monday

      Monday:W wind 14 to 18 kt becoming WNW in the afternoon. Mostly sunny. Seas 1 ft or less.

      W 18kt
      < 1ft

    • Monday Night

      Monday Night:WNW wind 12 to 15 kt. Mostly clear. Seas around 1 ft.

      WNW 15kt
      1ft

    • Tuesday

      Tuesday:WSW wind 9 to 11 kt. Mostly sunny. Seas 1 ft or less.

      WSW 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind around 10 kt. Mostly clear. Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Veterans Day

      Veterans Day:W wind 5 to 9 kt. Sunny. Seas 1 ft or less.

      W 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:ENE wind 5 to 7 kt. A chance of rain.   Seas 1 ft or less.

      ENE 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 5:44 am EST Nov 8, 2026
Forecast Valid: 11am EST Nov 8, 2026-6pm EST Nov 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

Today
W wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 23 kt. Sunny. Seas around 1 ft.
Tonight
WSW wind 13 to 16 kt, with gusts as high as 22 kt. Mostly clear. Seas 1 ft or less.
Monday
W wind 14 to 18 kt becoming WNW in the afternoon. Mostly sunny. Seas 1 ft or less.
Monday Night
WNW wind 12 to 15 kt. Mostly clear. Seas around 1 ft.
Tuesday
WSW wind 9 to 11 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
WSW wind around 10 kt. Mostly clear. Seas 1 ft or less.
Veterans Day
W wind 5 to 9 kt. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
ENE wind 5 to 7 kt. A chance of rain. 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: 5:44 am EST Nov 8, 2026
Forecast Valid: 11am EST Nov 8, 2026-6pm EST Nov 14, 2026
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