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Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:ENE wind 15 to 17 kt, with gusts as high as 24 kt. Mostly cloudy. Seas around 2 ft.

      ENE 17kt
      2ft

    • Tonight

      Tonight:E wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Winds could gust as high as 20 kt. A chance of rain or drizzle, mainly after 2am. Patchy fog. Seas 1 to 2 ft.

      E 14kt⇓
      1-2ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of rain or drizzle before 11am. Areas of fog before 11am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:S wind 8 to 10 kt becoming SW after midnight. Mostly cloudy. Seas around 1 ft.

      S 10kt
      1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming E 5 to 9 kt in the afternoon. A chance of showers after 2pm. Seas around 1 ft.

      ⇑E 9kt
      1ft

    • Saturday Night

      Saturday Night:E wind 9 to 13 kt. A chance of showers before 8pm, then a chance of showers after 2am. Seas 1 to 2 ft.

      E 13kt
      1-2ft

    • Sunday

      Sunday:SW wind 14 to 16 kt, with gusts as high as 26 kt. Showers, mainly after 8am. Seas around 2 ft.

      SW 16kt
      2ft

    • Sunday Night

      Sunday Night:WSW wind around 11 kt becoming WNW after midnight. Mostly cloudy. Seas 1 to 2 ft.

      WSW 11kt
      1-2ft

    • Monday

      Monday:WNW wind around 11 kt. Mostly sunny. Seas 1 to 2 ft.

      WNW 11kt
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 11:10 am EDT Apr 2, 2026
Forecast Valid: 11am EDT Apr 2, 2026-6pm EDT Apr 8, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

Today
ENE wind 15 to 17 kt, with gusts as high as 24 kt. Mostly cloudy. Seas around 2 ft.
Tonight
E wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Winds could gust as high as 20 kt. A chance of rain or drizzle, mainly after 2am. Patchy fog. Seas 1 to 2 ft.
Friday
Variable winds 5 kt or less. A chance of rain or drizzle before 11am. Areas of fog before 11am. Seas 1 ft or less.
Friday Night
S wind 8 to 10 kt becoming SW after midnight. Mostly cloudy. Seas around 1 ft.
Saturday
Variable winds less than 5 kt becoming E 5 to 9 kt in the afternoon. A chance of showers after 2pm. Seas around 1 ft.
Saturday Night
E wind 9 to 13 kt. A chance of showers before 8pm, then a chance of showers after 2am. Seas 1 to 2 ft.
Sunday
SW wind 14 to 16 kt, with gusts as high as 26 kt. Showers, mainly after 8am. Seas around 2 ft.
Sunday Night
WSW wind around 11 kt becoming WNW after midnight. Mostly cloudy. Seas 1 to 2 ft.
Monday
WNW wind around 11 kt. Mostly sunny. Seas 1 to 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: 40.91°N 73.39°W
Last Update: 11:10 am EDT Apr 2, 2026
Forecast Valid: 11am EDT Apr 2, 2026-6pm EDT Apr 8, 2026
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