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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:WNW wind 14 to 18 kt, with gusts as high as 25 kt. Mostly sunny. Seas 4 to 5 ft.

      WNW 18kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:WNW wind 7 to 11 kt. Mostly clear. Seas 2 to 3 ft.

      WNW 11kt
      2-3ft

    • Sunday

      Sunday:WNW wind 6 to 8 kt. Sunny. Seas around 2 ft.

      WNW 8kt
      2ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Light Wind
      2ft

    • Monday

      Monday:Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Sunny. Seas around 2 ft.

      ⇑S 10kt
      2ft

    • Monday Night

      Monday Night:S wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Mostly cloudy. Seas around 3 ft.

      S 14kt⇓
      3ft

    • Tuesday

      Tuesday:SSW wind 5 to 9 kt becoming S in the afternoon. Mostly cloudy. Seas around 2 ft.

      S 9kt
      2ft

    • Tuesday Night

      Tuesday Night:S wind 9 to 11 kt. A chance of showers.   Seas around 2 ft.

      S 11kt
      2ft

    • Wednesday

      Wednesday:SE wind around 13 kt. Showers likely.   Seas around 3 ft.

      SE 13kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 10:01 pm EDT May 9, 2025
Forecast Valid: 2am EDT May 10, 2025-6pm EDT May 16, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

Saturday
WNW wind 14 to 18 kt, with gusts as high as 25 kt. Mostly sunny. Seas 4 to 5 ft.
Saturday Night
WNW wind 7 to 11 kt. Mostly clear. Seas 2 to 3 ft.
Sunday
WNW wind 6 to 8 kt. Sunny. Seas around 2 ft.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Monday
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Sunny. Seas around 2 ft.
Monday Night
S wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Mostly cloudy. Seas around 3 ft.
Tuesday
SSW wind 5 to 9 kt becoming S in the afternoon. Mostly cloudy. Seas around 2 ft.
Tuesday Night
S wind 9 to 11 kt. A chance of showers. Seas around 2 ft.
Wednesday
SE wind around 13 kt. Showers likely. Seas around 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: 40.53°N 73.44°W
Last Update: 10:01 pm EDT May 9, 2025
Forecast Valid: 2am EDT May 10, 2025-6pm EDT May 16, 2025
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