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Hazardous Weather Conditions

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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:SSW wind 8 to 11 kt becoming NW 14 to 19 kt in the morning. Winds could gust as high as 27 kt. Rain before 3pm, then snow, possibly mixed with rain. Areas of fog before 8am. Seas around 4 ft.

      ⇑NW 19kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WNW wind 14 to 16 kt, with gusts as high as 23 kt. Snow, possibly mixed with rain before 8pm. Seas 3 to 4 ft.

      WNW 16kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:W wind 7 to 10 kt becoming S 17 to 22 kt. Increasing clouds. Seas 3 to 4 ft.

      ⇑S 22kt
      3-4ft

    • Friday Night

      Friday Night:S wind 22 to 25 kt becoming WSW after midnight. Partly cloudy. Seas around 7 ft.

      S 25kt
      7ft

    • Saturday

      Saturday:W wind 20 to 23 kt decreasing to 16 to 19 kt in the afternoon. Winds could gust as high as 29 kt. Sunny. Seas 6 ft subsiding to 4 ft.

      W 23kt⇓
      6ftWaves Subsiding

    • Saturday Night

      Saturday Night:WNW wind 8 to 10 kt becoming N after midnight. Increasing clouds. Seas 2 to 3 ft.

      WNW 10kt
      2-3ft

    • Sunday

      Sunday:E wind 12 to 17 kt. Cloudy. Seas 2 to 3 ft.

      E 17kt
      2-3ft

    • Sunday Night

      Sunday Night:SE wind 19 to 23 kt. Rain. Seas 4 ft building to 6 ft.

      SE 23kt
      Waves Building6ft

    • Monday

      Monday:S wind around 26 kt, with gusts as high as 33 kt. Rain. Seas 8 ft building to 10 ft.

      S 26kt
      Waves Building10ft


Associated Zone Forecast which includes this point

Last Update: 2:50 am EDT Mar 12, 2026
Forecast Valid: 5am EDT Mar 12, 2026-6pm EDT Mar 18, 2026

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Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS

Today
SSW wind 8 to 11 kt becoming NW 14 to 19 kt in the morning. Winds could gust as high as 27 kt. Rain before 3pm, then snow, possibly mixed with rain. Areas of fog before 8am. Seas around 4 ft.
Tonight
WNW wind 14 to 16 kt, with gusts as high as 23 kt. Snow, possibly mixed with rain before 8pm. Seas 3 to 4 ft.
Friday
W wind 7 to 10 kt becoming S 17 to 22 kt. Increasing clouds. Seas 3 to 4 ft.
Friday Night
S wind 22 to 25 kt becoming WSW after midnight. Partly cloudy. Seas around 7 ft.
Saturday
W wind 20 to 23 kt decreasing to 16 to 19 kt in the afternoon. Winds could gust as high as 29 kt. Sunny. Seas 6 ft subsiding to 4 ft.
Saturday Night
WNW wind 8 to 10 kt becoming N after midnight. Increasing clouds. Seas 2 to 3 ft.
Sunday
E wind 12 to 17 kt. Cloudy. Seas 2 to 3 ft.
Sunday Night
SE wind 19 to 23 kt. Rain. Seas 4 ft building to 6 ft.
Monday
S wind around 26 kt, with gusts as high as 33 kt. Rain. Seas 8 ft building to 10 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: 40.57°N 73.57°W
Last Update: 2:50 am EDT Mar 12, 2026
Forecast Valid: 5am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
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