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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ENE wind around 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 ft or less.

      ENE 17kt
      < 1ft

    • Wednesday

      Wednesday:ENE wind 17 to 19 kt, with gusts as high as 25 kt. Partly sunny. Seas 1 ft or less.

      ENE 19kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind around 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas 1 ft or less.

      NE 19kt
      < 1ft

    • Thursday

      Thursday:NE wind 14 to 18 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 ft or less.

      NE 18kt
      < 1ft

    • Thursday Night

      Thursday Night:NE wind around 18 kt, with gusts as high as 27 kt. Mostly cloudy. Seas 1 ft or less.

      NE 18kt
      < 1ft

    • Friday

      Friday:NNE wind 16 to 18 kt, with gusts as high as 28 kt. A chance of showers after 2pm.   Seas 1 ft or less.

      NNE 18kt
      < 1ft

    • Friday Night

      Friday Night:N wind around 20 kt, with gusts as high as 33 kt. A chance of showers.   Seas 1 ft or less.

      N 20kt
      < 1ft

    • Saturday

      Saturday:N wind around 20 kt, with gusts as high as 33 kt. A chance of showers.   Seas 1 ft or less.

      N 20kt
      < 1ft

    • Saturday Night

      Saturday Night:N wind 18 to 20 kt, with gusts as high as 35 kt. A chance of showers.   Seas 1 ft or less.

      N 20kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 10:25 pm EDT Sep 22, 2026
Forecast Valid: 11pm EDT Sep 22, 2026-6pm EDT Sep 29, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

Overnight
ENE wind around 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 ft or less.
Wednesday
ENE wind 17 to 19 kt, with gusts as high as 25 kt. Partly sunny. Seas 1 ft or less.
Wednesday Night
NE wind around 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas 1 ft or less.
Thursday
NE wind 14 to 18 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
NE wind around 18 kt, with gusts as high as 27 kt. Mostly cloudy. Seas 1 ft or less.
Friday
NNE wind 16 to 18 kt, with gusts as high as 28 kt. A chance of showers after 2pm. Seas 1 ft or less.
Friday Night
N wind around 20 kt, with gusts as high as 33 kt. A chance of showers. Seas 1 ft or less.
Saturday
N wind around 20 kt, with gusts as high as 33 kt. A chance of showers. Seas 1 ft or less.
Saturday Night
N wind 18 to 20 kt, with gusts as high as 35 kt. 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: 10:25 pm EDT Sep 22, 2026
Forecast Valid: 11pm EDT Sep 22, 2026-6pm EDT Sep 29, 2026
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