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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WNW wind around 11 kt, with gusts as high as 20 kt. Sunny. Seas around 1 ft.

      WNW 11kt
      1ft

    • Tonight

      Tonight:WNW wind 5 to 7 kt. Clear. Seas around 1 ft.

      WNW 7kt
      1ft

    • Friday

      Friday:W wind 7 to 10 kt. Sunny. Seas around 1 ft.

      W 10kt
      1ft

    • Friday Night

      Friday Night:NW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      NW 7kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. A chance of showers after 2pm.   Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Sunday Night

      Sunday Night:SE wind 7 to 9 kt becoming E after midnight. Showers.   Seas around 1 ft.

      ESE 9kt
      1ft

    • Columbus Day

      Columbus Day:N wind 6 to 8 kt. A chance of showers.   Seas around 1 ft.

      N 8kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 2:23 pm EDT Oct 8, 2026
Forecast Valid: 2pm EDT Oct 8, 2026-6pm EDT Oct 14, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
WNW wind around 11 kt, with gusts as high as 20 kt. Sunny. Seas around 1 ft.
Tonight
WNW wind 5 to 7 kt. Clear. Seas around 1 ft.
Friday
W wind 7 to 10 kt. Sunny. Seas around 1 ft.
Friday Night
NW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. A chance of showers after 2pm. Seas 1 ft or less.
Sunday Night
SE wind 7 to 9 kt becoming E after midnight. Showers. Seas around 1 ft.
Columbus Day
N wind 6 to 8 kt. A chance of 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: 2:23 pm EDT Oct 8, 2026
Forecast Valid: 2pm EDT Oct 8, 2026-6pm EDT Oct 14, 2026
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