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Hazardous Weather Conditions

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New York, NY Local Forecast Office

10NM E Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:W wind 13 to 16 kt becoming W 16 to 19 kt in the afternoon. Winds could gust as high as 25 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.

      ⇑W 19kt
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NW wind 17 to 22 kt becoming N 10 to 15 kt after midnight. Winds could gust as high as 28 kt. Mostly clear. Seas 1 to 2 ft.

      NW 22kt⇓
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:NNE wind 5 to 7 kt becoming S in the afternoon. A slight chance of light rain after 4pm. Seas around 1 ft.

      SE 7kt
      1ft

    • Friday Night

      Friday Night:S wind around 6 kt becoming NE after midnight. A chance of light rain, mainly after 7pm. Seas around 1 ft.

      S 6kt
      1ft

    • Saturday

      Saturday:N wind 5 to 9 kt becoming W in the afternoon. A chance of light rain, mainly before 10am. Seas around 1 ft.

      W 9kt
      1ft

    • Saturday Night

      Saturday Night:W wind around 9 kt becoming NW after midnight. Partly cloudy. Seas around 1 ft.

      W 9kt
      1ft

    • Sunday

      Sunday:NW wind 6 to 9 kt. Partly sunny. Seas around 1 ft.

      NW 9kt
      1ft

    • Sunday Night

      Sunday Night:N wind 9 to 12 kt increasing to 12 to 15 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.

      ⇑N 15kt
      1-2ft

    • Monday

      Monday:N wind around 18 kt, with gusts as high as 26 kt. Mostly sunny. Seas around 2 ft.

      N 18kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 2:27 am EST Dec 4, 2025
Forecast Valid: 5am EST Dec 4, 2025-6pm EST Dec 10, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH

Today
W wind 13 to 16 kt becoming W 16 to 19 kt in the afternoon. Winds could gust as high as 25 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.
Tonight
NW wind 17 to 22 kt becoming N 10 to 15 kt after midnight. Winds could gust as high as 28 kt. Mostly clear. Seas 1 to 2 ft.
Friday
NNE wind 5 to 7 kt becoming S in the afternoon. A slight chance of light rain after 4pm. Seas around 1 ft.
Friday Night
S wind around 6 kt becoming NE after midnight. A chance of light rain, mainly after 7pm. Seas around 1 ft.
Saturday
N wind 5 to 9 kt becoming W in the afternoon. A chance of light rain, mainly before 10am. Seas around 1 ft.
Saturday Night
W wind around 9 kt becoming NW after midnight. Partly cloudy. Seas around 1 ft.
Sunday
NW wind 6 to 9 kt. Partly sunny. Seas around 1 ft.
Sunday Night
N wind 9 to 12 kt increasing to 12 to 15 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.
Monday
N wind around 18 kt, with gusts as high as 26 kt. Mostly sunny. Seas around 2 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: 40.72°N 72.98°W
Last Update: 2:27 am EST Dec 4, 2025
Forecast Valid: 5am EST Dec 4, 2025-6pm EST Dec 10, 2025
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