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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑SSW 10kt
      2ft

    • Tonight

      Tonight:SSW wind 8 to 11 kt becoming WSW after midnight. Partly cloudy. Seas around 2 ft.

      SSW 11kt
      2ft

    • Thursday

      Thursday:NNW wind 5 to 7 kt becoming NNE in the afternoon. Showers likely and possibly a thunderstorm, mainly after 2pm.   Seas around 2 ft.

      N 7kt
      2ft

    • Thursday Night

      Thursday Night:N wind 5 to 9 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.   Seas 1 to 2 ft.

      N 9kt
      1-2ft

    • Friday

      Friday:NNE wind 9 to 11 kt becoming E in the afternoon. Mostly sunny. Seas around 2 ft.

      NNE 11kt
      2ft

    • Friday Night

      Friday Night:ESE wind 8 to 10 kt. A chance of showers after 2am.   Seas around 2 ft.

      ESE 10kt
      2ft

    • Saturday

      Saturday:E wind 13 to 15 kt. Showers likely, mainly after 8am.   Seas 2 to 3 ft.

      E 15kt
      2-3ft

    • Saturday Night

      Saturday Night:E wind 9 to 11 kt. A chance of showers.   Seas 2 to 3 ft.

      E 11kt
      2-3ft

    • Sunday

      Sunday:ENE wind 8 to 11 kt becoming SSW in the morning. A chance of showers.   Seas 2 to 3 ft.

      SSW 11kt
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 5:30 am EDT Aug 19, 2026
Forecast Valid: 8am EDT Aug 19, 2026-6pm EDT Aug 25, 2026

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Detailed Forecast


Today
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas around 2 ft.
Tonight
SSW wind 8 to 11 kt becoming WSW after midnight. Partly cloudy. Seas around 2 ft.
Thursday
NNW wind 5 to 7 kt becoming NNE in the afternoon. Showers likely and possibly a thunderstorm, mainly after 2pm. Seas around 2 ft.
Thursday Night
N wind 5 to 9 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Seas 1 to 2 ft.
Friday
NNE wind 9 to 11 kt becoming E in the afternoon. Mostly sunny. Seas around 2 ft.
Friday Night
ESE wind 8 to 10 kt. A chance of showers after 2am. Seas around 2 ft.
Saturday
E wind 13 to 15 kt. Showers likely, mainly after 8am. Seas 2 to 3 ft.
Saturday Night
E wind 9 to 11 kt. A chance of showers. Seas 2 to 3 ft.
Sunday
ENE wind 8 to 11 kt becoming SSW in the morning. A chance of showers. Seas 2 to 3 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: 40.61°N 73.18°W
Last Update: 5:30 am EDT Aug 19, 2026
Forecast Valid: 8am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
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