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Hazardous Weather Conditions

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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:S wind 14 to 19 kt, with gusts as high as 26 kt. Isolated showers, then showers and possibly a thunderstorm after 2pm. Seas 3 to 4 ft.

      S 19kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:S wind 6 to 11 kt. Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog after 10pm. Seas 3 to 4 ft.

      S 11kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Patchy fog before 10am. Seas 3 to 4 ft.

      ⇑S 9kt
      3-4ft

    • Sunday Night

      Sunday Night:SSW wind 5 to 8 kt becoming N after midnight. Showers likely, mainly after 2am. Seas around 3 ft.

      N 8kt
      3ft

    • Monday

      Monday:N wind 6 to 10 kt. Showers likely, mainly before noon. Seas around 3 ft.

      N 10kt
      3ft

    • Monday Night

      Monday Night:Variable winds less than 5 kt becoming NNW 6 to 11 kt in the evening. Partly cloudy. Seas around 3 ft.

      ⇑NNW 11kt
      3ft

    • Tuesday

      Tuesday:N wind 9 to 12 kt becoming W 6 to 9 kt in the afternoon. Sunny. Seas 2 to 3 ft.

      N 12kt⇓
      2-3ft

    • Tuesday Night

      Tuesday Night:SW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 2 ft.

      SW 6kt⇓
      2ft

    • Wednesday

      Wednesday:S wind 5 to 10 kt increasing to 11 to 16 kt in the afternoon. A chance of showers. Seas 2 to 3 ft.

      ⇑S 16kt
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 7:35 am EDT May 9, 2026
Forecast Valid: 10am EDT May 9, 2026-6pm EDT May 15, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING

Today
S wind 14 to 19 kt, with gusts as high as 26 kt. Isolated showers, then showers and possibly a thunderstorm after 2pm. Seas 3 to 4 ft.
Tonight
S wind 6 to 11 kt. Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog after 10pm. Seas 3 to 4 ft.
Sunday
Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Patchy fog before 10am. Seas 3 to 4 ft.
Sunday Night
SSW wind 5 to 8 kt becoming N after midnight. Showers likely, mainly after 2am. Seas around 3 ft.
Monday
N wind 6 to 10 kt. Showers likely, mainly before noon. Seas around 3 ft.
Monday Night
Variable winds less than 5 kt becoming NNW 6 to 11 kt in the evening. Partly cloudy. Seas around 3 ft.
Tuesday
N wind 9 to 12 kt becoming W 6 to 9 kt in the afternoon. Sunny. Seas 2 to 3 ft.
Tuesday Night
SW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 2 ft.
Wednesday
S wind 5 to 10 kt increasing to 11 to 16 kt in the afternoon. A chance of showers. 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: 7:35 am EDT May 9, 2026
Forecast Valid: 10am EDT May 9, 2026-6pm EDT May 15, 2026
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