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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:WSW wind 6 to 9 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Monday Night

      Monday Night:SW wind around 7 kt. Mostly clear. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Tuesday

      Tuesday:SW wind around 6 kt. Mostly sunny. Seas 1 ft or less.

      SW 6kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      SSW 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Thursday

      Thursday:S wind 6 to 10 kt. A chance of rain after 1pm.   Seas 1 ft or less.

      S 10kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind 6 to 8 kt. Rain likely.   Seas 1 ft or less.

      S 8kt
      < 1ft

    • Friday

      Friday:S wind 5 to 7 kt. Rain likely.   Seas 1 ft or less.

      S 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:19 am EST Nov 2, 2026
Forecast Valid: 4am EST Nov 2, 2026-6pm EST Nov 8, 2026

View Nearby Observations

Detailed Forecast


Monday
WSW wind 6 to 9 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.
Monday Night
SW wind around 7 kt. Mostly clear. Seas 1 ft or less.
Tuesday
SW wind around 6 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SSW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.
Wednesday Night
S wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.
Thursday
S wind 6 to 10 kt. A chance of rain after 1pm. Seas 1 ft or less.
Thursday Night
S wind 6 to 8 kt. Rain likely. Seas 1 ft or less.
Friday
S wind 5 to 7 kt. Rain likely. 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: 1:19 am EST Nov 2, 2026
Forecast Valid: 4am EST Nov 2, 2026-6pm EST Nov 8, 2026
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