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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind around 8 kt becoming N after midnight. Partly cloudy. Seas around 2 ft.

      SW 8kt
      2ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑S 9kt
      2ft

    • Wednesday Night

      Wednesday Night:SSW wind 5 to 9 kt. Clear. Seas around 2 ft.

      SSW 9kt
      2ft

    • Thursday

      Thursday:WSW wind 5 to 8 kt becoming SSW 10 to 13 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑SSW 13kt
      2ft

    • Thursday Night

      Thursday Night:SSW wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Partly cloudy. Seas around 3 ft.

      SSW 15kt⇓
      3ft

    • Friday

      Friday:W wind 6 to 9 kt becoming SSW 11 to 14 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      ⇑SSW 14kt
      2-3ft

    • Friday Night

      Friday Night:SW wind 11 to 15 kt. Partly cloudy. Seas 3 to 4 ft.

      SW 15kt
      3-4ft

    • Saturday

      Saturday:WSW wind 9 to 12 kt becoming SSW 13 to 16 kt in the afternoon. Mostly sunny. Seas around 3 ft.

      ⇑SSW 16kt
      3ft

    • Saturday Night

      Saturday Night:SW wind 13 to 16 kt decreasing to 10 to 13 kt after midnight. A chance of showers.   Seas around 4 ft.

      SW 16kt⇓
      4ft


Associated Zone Forecast which includes this point

Last Update: 7:53 pm EDT Jun 2, 2026
Forecast Valid: 9pm EDT Jun 2, 2026-6pm EDT Jun 9, 2026

View Nearby Observations

Detailed Forecast


Tonight
SW wind around 8 kt becoming N after midnight. Partly cloudy. Seas around 2 ft.
Wednesday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Sunny. Seas around 2 ft.
Wednesday Night
SSW wind 5 to 9 kt. Clear. Seas around 2 ft.
Thursday
WSW wind 5 to 8 kt becoming SSW 10 to 13 kt in the afternoon. Sunny. Seas around 2 ft.
Thursday Night
SSW wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Partly cloudy. Seas around 3 ft.
Friday
W wind 6 to 9 kt becoming SSW 11 to 14 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Friday Night
SW wind 11 to 15 kt. Partly cloudy. Seas 3 to 4 ft.
Saturday
WSW wind 9 to 12 kt becoming SSW 13 to 16 kt in the afternoon. Mostly sunny. Seas around 3 ft.
Saturday Night
SW wind 13 to 16 kt decreasing to 10 to 13 kt after midnight. A chance of showers. Seas around 4 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: 7:53 pm EDT Jun 2, 2026
Forecast Valid: 9pm EDT Jun 2, 2026-6pm EDT Jun 9, 2026
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