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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind around 14 kt. A chance of showers, mainly before 11am.  Areas of fog before 11am.  Seas 4 to 5 ft.

      SW 14kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:W wind 9 to 11 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 4 ft.

      W 11kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:SSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas around 3 ft.

      ⇑SSW 12kt
      3ft

    • Monday Night

      Monday Night:SW wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas around 3 ft.

      SW 12kt⇓
      3ft

    • Tuesday

      Tuesday:SSW wind 6 to 9 kt. Partly sunny. Seas around 2 ft.

      SSW 9kt
      2ft

    • Tuesday Night

      Tuesday Night:SSW wind 8 to 10 kt. Mostly cloudy. Seas around 2 ft.

      SSW 10kt
      2ft

    • Wednesday

      Wednesday:S wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Cloudy. Seas 2 ft building to 4 ft.

      ⇑S 17kt
      Waves Building4ft

    • Wednesday Night

      Wednesday Night:SSW wind 20 to 22 kt. A chance of showers.   Seas 4 ft building to 6 ft.

      SSW 22kt
      Waves Building6ft

    • Thursday

      Thursday:SW wind around 23 kt, with gusts as high as 29 kt. Showers likely.   Seas around 7 ft.

      SW 23kt
      7ft


Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Mar 8, 2026
Forecast Valid: 7am EDT Mar 8, 2026-6pm EDT Mar 14, 2026

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Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

Today
SW wind around 14 kt. A chance of showers, mainly before 11am. Areas of fog before 11am. Seas 4 to 5 ft.
Tonight
W wind 9 to 11 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 4 ft.
Monday
SSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas around 3 ft.
Monday Night
SW wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas around 3 ft.
Tuesday
SSW wind 6 to 9 kt. Partly sunny. Seas around 2 ft.
Tuesday Night
SSW wind 8 to 10 kt. Mostly cloudy. Seas around 2 ft.
Wednesday
S wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Cloudy. Seas 2 ft building to 4 ft.
Wednesday Night
SSW wind 20 to 22 kt. A chance of showers. Seas 4 ft building to 6 ft.
Thursday
SW wind around 23 kt, with gusts as high as 29 kt. Showers likely. Seas around 7 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: 4:09 am EDT Mar 8, 2026
Forecast Valid: 7am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
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