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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Mostly sunny. Seas around 1 ft.

      ⇑S 8kt
      1ft

    • Wednesday Night

      Wednesday Night:SSW wind around 10 kt. A chance of showers and thunderstorms, mainly between 2am and 5am.   Seas around 2 ft.

      SSW 10kt
      2ft

    • Thursday

      Thursday:SSW wind 9 to 12 kt. A chance of showers and thunderstorms, mainly after 8am.   Seas around 2 ft.

      SSW 12kt
      2ft

    • Thursday Night

      Thursday Night:SW wind 10 to 12 kt becoming W after midnight. Partly cloudy. Seas around 2 ft.

      SW 12kt
      2ft

    • Friday

      Friday:WNW wind around 9 kt. Mostly sunny. Seas around 2 ft.

      WNW 9kt
      2ft

    • Friday Night

      Friday Night:N wind around 8 kt. Partly cloudy. Seas around 2 ft.

      N 8kt
      2ft

    • Saturday

      Saturday:NE wind around 7 kt becoming SE in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      NE 7kt
      1-2ft

    • Saturday Night

      Saturday Night:S wind 7 to 9 kt. A chance of showers.   Seas 1 to 2 ft.

      S 9kt
      1-2ft

    • Sunday

      Sunday:S wind 7 to 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm.   Seas 1 to 2 ft.

      S 9kt
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 2:02 am EDT Jul 16, 2025
Forecast Valid: 3am EDT Jul 16, 2025-6pm EDT Jul 22, 2025

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Detailed Forecast


Wednesday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Wednesday Night
SSW wind around 10 kt. A chance of showers and thunderstorms, mainly between 2am and 5am. Seas around 2 ft.
Thursday
SSW wind 9 to 12 kt. A chance of showers and thunderstorms, mainly after 8am. Seas around 2 ft.
Thursday Night
SW wind 10 to 12 kt becoming W after midnight. Partly cloudy. Seas around 2 ft.
Friday
WNW wind around 9 kt. Mostly sunny. Seas around 2 ft.
Friday Night
N wind around 8 kt. Partly cloudy. Seas around 2 ft.
Saturday
NE wind around 7 kt becoming SE in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Saturday Night
S wind 7 to 9 kt. A chance of showers. Seas 1 to 2 ft.
Sunday
S wind 7 to 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 to 2 ft.

Winds and seas may be higher in and near tstms.

*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: 40.62°N 73.24°W
Last Update: 2:02 am EDT Jul 16, 2025
Forecast Valid: 3am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
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