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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind around 17 kt. A chance of showers before 2am.   Seas around 4 ft.

      WSW 17kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:WSW wind 13 to 15 kt. Sunny. Seas 3 to 4 ft.

      WSW 15kt
      3-4ft

    • Friday Night

      Friday Night:WSW wind 8 to 12 kt. Partly cloudy. Seas around 3 ft.

      WSW 12kt
      3ft

    • Saturday

      Saturday:WSW wind 7 to 10 kt becoming SSW in the afternoon. Mostly sunny. Seas around 2 ft.

      SW 10kt
      2ft

    • Saturday Night

      Saturday Night:SW wind around 12 kt. Mostly cloudy. Seas around 3 ft.

      SW 12kt
      3ft

    • Sunday

      Sunday:SW wind around 13 kt. Partly sunny. Seas around 3 ft.

      SW 13kt
      3ft

    • Sunday Night

      Sunday Night:WSW wind 9 to 12 kt becoming WNW after midnight. Mostly clear. Seas 2 to 3 ft.

      WSW 12kt
      2-3ft

    • Monday

      Monday:WNW wind 6 to 9 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.

      SSW 9kt
      2ft

    • Monday Night

      Monday Night:SSW wind 8 to 11 kt becoming W after midnight. Mostly clear. Seas around 3 ft.

      SSW 11kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 8:37 pm EDT Jun 19, 2025
Forecast Valid: 10pm EDT Jun 19, 2025-6pm EDT Jun 26, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY...

Tonight
WSW wind around 17 kt. A chance of showers before 2am. Seas around 4 ft.
Friday
WSW wind 13 to 15 kt. Sunny. Seas 3 to 4 ft.
Friday Night
WSW wind 8 to 12 kt. Partly cloudy. Seas around 3 ft.
Saturday
WSW wind 7 to 10 kt becoming SSW in the afternoon. Mostly sunny. Seas around 2 ft.
Saturday Night
SW wind around 12 kt. Mostly cloudy. Seas around 3 ft.
Sunday
SW wind around 13 kt. Partly sunny. Seas around 3 ft.
Sunday Night
WSW wind 9 to 12 kt becoming WNW after midnight. Mostly clear. Seas 2 to 3 ft.
Monday
WNW wind 6 to 9 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.
Monday Night
SSW wind 8 to 11 kt becoming W after midnight. Mostly clear. Seas around 3 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: 40.53°N 73.44°W
Last Update: 8:37 pm EDT Jun 19, 2025
Forecast Valid: 10pm EDT Jun 19, 2025-6pm EDT Jun 26, 2025
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