National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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New York, NY Local Forecast Office

7NM ESE Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind 7 to 9 kt. Partly cloudy. Seas around 1 ft.

      SW 9kt
      1ft

    • Thursday

      Thursday:NNE wind 7 to 11 kt becoming E in the morning. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Seas around 1 ft.

      E 11kt
      1ft

    • Thursday Night

      Thursday Night:ENE wind 11 to 15 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 to 2 ft.

      ENE 15kt
      1-2ft

    • Friday

      Friday:NE wind 18 to 20 kt, with gusts as high as 27 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

      NE 20kt
      < 1ft

    • Friday Night

      Friday Night:NNE wind around 18 kt, with gusts as high as 24 kt. A chance of showers before 2am. Seas 1 ft or less.

      NNE 18kt
      < 1ft

    • Saturday

      Saturday:NNE wind 13 to 16 kt becoming NE 10 to 13 kt in the afternoon. Winds could gust as high as 23 kt. Sunny. Seas 1 ft or less.

      NNE 16kt⇓
      < 1ft

    • Saturday Night

      Saturday Night:SE wind 5 to 8 kt becoming SW after midnight. Mostly clear. Seas 1 ft or less.

      SE 8kt
      < 1ft

    • Sunday

      Sunday:NW wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 5 to 8 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.

      S 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:56 pm EDT Jul 30, 2025
Forecast Valid: 8pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025

View Nearby Observations

Detailed Forecast


Tonight
SW wind 7 to 9 kt. Partly cloudy. Seas around 1 ft.
Thursday
NNE wind 7 to 11 kt becoming E in the morning. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Seas around 1 ft.
Thursday Night
ENE wind 11 to 15 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 to 2 ft.
Friday
NE wind 18 to 20 kt, with gusts as high as 27 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Friday Night
NNE wind around 18 kt, with gusts as high as 24 kt. A chance of showers before 2am. Seas 1 ft or less.
Saturday
NNE wind 13 to 16 kt becoming NE 10 to 13 kt in the afternoon. Winds could gust as high as 23 kt. Sunny. Seas 1 ft or less.
Saturday Night
SE wind 5 to 8 kt becoming SW after midnight. Mostly clear. Seas 1 ft or less.
Sunday
NW wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
S wind 5 to 8 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.

Winds and waves 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: 40.67°N 73.08°W
Last Update: 7:56 pm EDT Jul 30, 2025
Forecast Valid: 8pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
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