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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NNE wind 5 to 8 kt becoming ENE 14 to 19 kt. Showers and possibly a thunderstorm.   Seas 1 ft or less.

      ⇑ENE 19kt
      < 1ft

    • Thursday

      Thursday:ENE wind 15 to 19 kt. Showers likely, mainly before 11am.   Seas around 1 ft.

      ENE 19kt
      1ft

    • Thursday Night

      Thursday Night:E wind 10 to 15 kt. A slight chance of showers after 8pm.   Seas around 1 ft.

      E 15kt
      1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

      ⇑SSW 7kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 9 to 13 kt. Mostly cloudy. Seas 1 ft or less.

      SW 13kt
      < 1ft

    • Saturday

      Saturday:WSW wind 5 to 9 kt becoming ESE in the afternoon. A chance of showers after 2pm.   Seas 1 ft or less.

      ESE 9kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 12 to 15 kt. A chance of showers before 8pm, then a chance of showers after 2am.   Seas 1 ft or less.

      ESE 15kt
      < 1ft

    • Sunday

      Sunday:SSW wind 14 to 16 kt, with gusts as high as 23 kt. Showers.   Seas 1 ft or less.

      SSW 16kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind 12 to 14 kt becoming NW after midnight. Showers.   Seas around 1 ft.

      W 14kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 2:31 pm EDT Apr 1, 2026
Forecast Valid: 6pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT

Tonight
NNE wind 5 to 8 kt becoming ENE 14 to 19 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Thursday
ENE wind 15 to 19 kt. Showers likely, mainly before 11am. Seas around 1 ft.
Thursday Night
E wind 10 to 15 kt. A slight chance of showers after 8pm. Seas around 1 ft.
Friday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.
Friday Night
SW wind 9 to 13 kt. Mostly cloudy. Seas 1 ft or less.
Saturday
WSW wind 5 to 9 kt becoming ESE in the afternoon. A chance of showers after 2pm. Seas 1 ft or less.
Saturday Night
ESE wind 12 to 15 kt. A chance of showers before 8pm, then a chance of showers after 2am. Seas 1 ft or less.
Sunday
SSW wind 14 to 16 kt, with gusts as high as 23 kt. Showers. Seas 1 ft or less.
Sunday Night
W wind 12 to 14 kt becoming NW after midnight. 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: 2:31 pm EDT Apr 1, 2026
Forecast Valid: 6pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026
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