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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NW wind around 12 kt. A slight chance of showers and thunderstorms.   Seas 1 ft or less.

      NW 12kt
      < 1ft

    • Tonight

      Tonight:N wind 10 to 12 kt becoming NNE after midnight. Partly cloudy. Seas 1 ft or less.

      N 12kt
      < 1ft

    • Monday

      Monday:NE wind 5 to 10 kt becoming variable and less than 5 kt. Sunny. Seas 1 ft or less.

      NE 10kt⇓
      < 1ft

    • Monday Night

      Monday Night:S wind 6 to 9 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Tuesday

      Tuesday:SW wind 6 to 10 kt. Sunny. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 9 to 11 kt. Mostly clear. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Wednesday

      Wednesday:S wind 8 to 11 kt. Partly sunny. Seas 1 ft or less.

      S 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind 7 to 11 kt. A chance of showers.   Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Thursday

      Thursday:WSW wind around 6 kt. Partly sunny. Seas 1 ft or less.

      WSW 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:03 pm EDT Jun 7, 2026
Forecast Valid: 3pm EDT Jun 7, 2026-6pm EDT Jun 14, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
NW wind around 12 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Tonight
N wind 10 to 12 kt becoming NNE after midnight. Partly cloudy. Seas 1 ft or less.
Monday
NE wind 5 to 10 kt becoming variable and less than 5 kt. Sunny. Seas 1 ft or less.
Monday Night
S wind 6 to 9 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
SW wind 6 to 10 kt. Sunny. Seas 1 ft or less.
Tuesday Night
SW wind 9 to 11 kt. Mostly clear. Seas 1 ft or less.
Wednesday
S wind 8 to 11 kt. Partly sunny. Seas 1 ft or less.
Wednesday Night
SW wind 7 to 11 kt. A chance of showers. Seas 1 ft or less.
Thursday
WSW wind around 6 kt. Partly sunny. 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: 3:03 pm EDT Jun 7, 2026
Forecast Valid: 3pm EDT Jun 7, 2026-6pm EDT Jun 14, 2026
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