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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:W wind around 22 kt. Patchy freezing spray. Sunny. Seas 4 to 5 ft.

      W 22kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:W wind 17 to 20 kt decreasing to 12 to 15 kt after midnight. Patchy freezing spray before 1am. Mostly clear. Seas 3 to 4 ft.

      W 20kt⇓
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:W wind 10 to 13 kt becoming SSW 16 to 19 kt in the afternoon. Increasing clouds. Seas 2 ft building to 4 ft.

      ⇑SSW 19kt
      Waves Building4ft

    • Wednesday Night

      Wednesday Night:SSW wind 19 to 23 kt becoming WSW after midnight. Mostly cloudy. Seas 5 to 6 ft.

      SSW 23kt
      5-6ft

    • Thursday

      Thursday:WSW wind around 17 kt. Mostly sunny. Seas 4 to 5 ft.

      WSW 17kt
      4-5ft

    • Thursday Night

      Thursday Night:W wind around 16 kt. Partly cloudy. Seas 3 to 4 ft.

      W 16kt
      3-4ft

    • Friday

      Friday:W wind 17 to 20 kt. Partly sunny. Seas 3 to 4 ft.

      W 20kt
      3-4ft

    • Friday Night

      Friday Night:WNW wind 19 to 23 kt. Mostly cloudy. Seas 3 to 4 ft.

      WNW 23kt
      3-4ft

    • Saturday

      Saturday:NNW wind 15 to 17 kt. Partly sunny. Seas 2 to 3 ft.

      NNW 17kt
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 1:07 am EST Jan 20, 2026
Forecast Valid: 3am EST Jan 20, 2026-6pm EST Jan 26, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Tuesday
W wind around 22 kt. Patchy freezing spray. Sunny. Seas 4 to 5 ft.
Tuesday Night
W wind 17 to 20 kt decreasing to 12 to 15 kt after midnight. Patchy freezing spray before 1am. Mostly clear. Seas 3 to 4 ft.
Wednesday
W wind 10 to 13 kt becoming SSW 16 to 19 kt in the afternoon. Increasing clouds. Seas 2 ft building to 4 ft.
Wednesday Night
SSW wind 19 to 23 kt becoming WSW after midnight. Mostly cloudy. Seas 5 to 6 ft.
Thursday
WSW wind around 17 kt. Mostly sunny. Seas 4 to 5 ft.
Thursday Night
W wind around 16 kt. Partly cloudy. Seas 3 to 4 ft.
Friday
W wind 17 to 20 kt. Partly sunny. Seas 3 to 4 ft.
Friday Night
WNW wind 19 to 23 kt. Mostly cloudy. Seas 3 to 4 ft.
Saturday
NNW wind 15 to 17 kt. Partly sunny. Seas 2 to 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: 40.61°N 73.18°W
Last Update: 1:07 am EST Jan 20, 2026
Forecast Valid: 3am EST Jan 20, 2026-6pm EST Jan 26, 2026
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