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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Sunny. Seas around 2 ft.

      Light Wind
      2ft

    • Tonight

      Tonight:SW wind 5 to 8 kt becoming variable and less than 5 kt. 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:S wind 6 to 9 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.

      S 9kt
      2ft

    • Thursday

      Thursday:WSW wind 5 to 8 kt becoming SSW 9 to 12 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑SSW 12kt
      2ft

    • Thursday Night

      Thursday Night:SSW wind 10 to 15 kt becoming WSW after midnight. Mostly clear. Seas around 3 ft.

      SSW 15kt
      3ft

    • Friday

      Friday:WSW wind 8 to 11 kt becoming SSW 12 to 15 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      ⇑SSW 15kt
      2-3ft

    • Friday Night

      Friday Night:WSW wind 13 to 16 kt decreasing to 9 to 12 kt after midnight. Partly cloudy. Seas 3 to 4 ft.

      WSW 16kt⇓
      3-4ft

    • Saturday

      Saturday:W wind 7 to 10 kt becoming SSW 11 to 14 kt in the afternoon. Partly sunny. Seas around 3 ft.

      ⇑SSW 14kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 7:12 am EDT Jun 2, 2026
Forecast Valid: 10am EDT Jun 2, 2026-6pm EDT Jun 8, 2026

View Nearby Observations

Detailed Forecast


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