National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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New York, NY Local Forecast Office

13NM E Islip NY

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:WNW wind around 19 kt. Mostly sunny. Seas around 2 ft.

      WNW 19kt
      2ft

    • Tonight

      Tonight:NW wind 19 to 24 kt becoming N 9 to 12 kt. Partly cloudy. Seas 1 to 2 ft.

      NW 24kt⇓
      1-2ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

      ⇑SE 6kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of snow before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. A slight chance of rain before 1pm. Seas 1 ft or less.

      ⇑WSW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind 7 to 9 kt becoming NW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.

      W 9kt
      1ft

    • Sunday

      Sunday:NNW wind 6 to 8 kt becoming WNW in the afternoon. Partly sunny. Seas around 1 ft.

      NNW 8kt
      1ft

    • Sunday Night

      Sunday Night:W wind 6 to 9 kt increasing to 11 to 14 kt after midnight. Mostly cloudy. Seas around 1 ft.

      ⇑W 14kt
      1ft

    • Monday

      Monday:NNW wind 18 to 21 kt. Mostly sunny. Seas around 1 ft.

      NNW 21kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 2:14 pm EST Dec 4, 2025
Forecast Valid: 3pm EST Dec 4, 2025-6pm EST Dec 11, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

This Afternoon
WNW wind around 19 kt. Mostly sunny. Seas around 2 ft.
Tonight
NW wind 19 to 24 kt becoming N 9 to 12 kt. Partly cloudy. Seas 1 to 2 ft.
Friday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Increasing clouds. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of snow before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. A slight chance of rain before 1pm. Seas 1 ft or less.
Saturday Night
W wind 7 to 9 kt becoming NW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.
Sunday
NNW wind 6 to 8 kt becoming WNW in the afternoon. Partly sunny. Seas around 1 ft.
Sunday Night
W wind 6 to 9 kt increasing to 11 to 14 kt after midnight. Mostly cloudy. Seas around 1 ft.
Monday
NNW wind 18 to 21 kt. Mostly sunny. 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: 40.76°N 72.92°W
Last Update: 2:14 pm EST Dec 4, 2025
Forecast Valid: 3pm EST Dec 4, 2025-6pm EST Dec 11, 2025
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