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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind around 16 kt, with gusts as high as 24 kt. Mostly cloudy. Seas around 2 ft.

      WSW 16kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WNW wind 17 to 20 kt, with gusts as high as 27 kt. Mostly clear. Seas around 3 ft.

      WNW 20kt
      3ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NW wind 14 to 19 kt decreasing to 8 to 13 kt in the afternoon. Sunny. Seas 2 to 3 ft.

      NW 19kt⇓
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:Variable winds less than 5 kt becoming SW 5 to 9 kt after midnight. Increasing clouds. Seas around 1 ft.

      ⇑SW 9kt
      1ft

    • Tuesday

      Tuesday:SSW wind 12 to 15 kt. A chance of rain after 1pm.   Seas 2 to 3 ft.

      SSW 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SSW wind 14 to 18 kt. Rain.   Seas 3 to 4 ft.

      SSW 18kt
      3-4ft

    • Wednesday

      Wednesday:SSW wind 9 to 11 kt. A chance of rain.   Seas around 4 ft.

      SSW 11kt
      4ft

    • Wednesday Night

      Wednesday Night:SSW wind 11 to 16 kt becoming W 17 to 22 kt in the evening. A chance of rain.   Seas 4 to 5 ft.

      ⇑W 22kt
      4-5ft

    • Thanksgiving Day

      Thanksgiving Day:W wind 22 to 26 kt, with gusts as high as 33 kt. Mostly sunny. Seas around 5 ft.

      W 26kt
      5ft


Associated Zone Forecast which includes this point

Last Update: 2:01 pm EST Nov 23, 2025
Forecast Valid: 3pm EST Nov 23, 2025-6pm EST Nov 30, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

This Afternoon
WSW wind around 16 kt, with gusts as high as 24 kt. Mostly cloudy. Seas around 2 ft.
Tonight
WNW wind 17 to 20 kt, with gusts as high as 27 kt. Mostly clear. Seas around 3 ft.
Monday
NW wind 14 to 19 kt decreasing to 8 to 13 kt in the afternoon. Sunny. Seas 2 to 3 ft.
Monday Night
Variable winds less than 5 kt becoming SW 5 to 9 kt after midnight. Increasing clouds. Seas around 1 ft.
Tuesday
SSW wind 12 to 15 kt. A chance of rain after 1pm. Seas 2 to 3 ft.
Tuesday Night
SSW wind 14 to 18 kt. Rain. Seas 3 to 4 ft.
Wednesday
SSW wind 9 to 11 kt. A chance of rain. Seas around 4 ft.
Wednesday Night
SSW wind 11 to 16 kt becoming W 17 to 22 kt in the evening. A chance of rain. Seas 4 to 5 ft.
Thanksgiving Day
W wind 22 to 26 kt, with gusts as high as 33 kt. Mostly sunny. Seas around 5 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: 40.61°N 73.18°W
Last Update: 2:01 pm EST Nov 23, 2025
Forecast Valid: 3pm EST Nov 23, 2025-6pm EST Nov 30, 2025
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