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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind around 14 kt becoming W after midnight. Clear. Seas 3 to 4 ft.

      SW 14kt
      3-4ft

    • Saturday

      Saturday:W wind 8 to 11 kt becoming SW in the afternoon. Sunny. Seas around 3 ft.

      W 11kt
      3ft

    • Saturday Night

      Saturday Night:SSW wind 7 to 9 kt becoming W after midnight. Mostly clear. Seas around 3 ft.

      SSW 9kt
      3ft

    • Sunday

      Sunday:WNW wind 5 to 7 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.

      SSW 7kt
      2ft

    • Sunday Night

      Sunday Night:SW wind around 9 kt. Clear. Seas around 2 ft.

      SW 9kt
      2ft

    • Monday

      Monday:WSW wind 6 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.

      SSW 10kt
      2ft

    • Monday Night

      Monday Night:SW wind 12 to 14 kt. Mostly clear. Seas around 3 ft.

      SW 14kt
      3ft

    • Tuesday

      Tuesday:SSW wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Sunny. Seas 2 to 3 ft.

      ⇑SSW 17kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SW wind 16 to 19 kt. Showers likely.   Seas around 4 ft.

      SW 19kt
      4ft


Associated Zone Forecast which includes this point

Last Update: 2:14 pm EDT Oct 3, 2025
Forecast Valid: 8pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025

View Nearby Observations

Detailed Forecast


Tonight
SSW wind around 14 kt becoming W after midnight. Clear. Seas 3 to 4 ft.
Saturday
W wind 8 to 11 kt becoming SW in the afternoon. Sunny. Seas around 3 ft.
Saturday Night
SSW wind 7 to 9 kt becoming W after midnight. Mostly clear. Seas around 3 ft.
Sunday
WNW wind 5 to 7 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.
Sunday Night
SW wind around 9 kt. Clear. Seas around 2 ft.
Monday
WSW wind 6 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.
Monday Night
SW wind 12 to 14 kt. Mostly clear. Seas around 3 ft.
Tuesday
SSW wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Sunny. Seas 2 to 3 ft.
Tuesday Night
SW wind 16 to 19 kt. Showers likely. 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: 2:14 pm EDT Oct 3, 2025
Forecast Valid: 8pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
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