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New York, NY Local Forecast Office

9NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SE 7kt
      < 1ft

    • Tonight

      Tonight:SW wind 8 to 11 kt. Mostly clear. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Friday

      Friday:SW wind 6 to 11 kt becoming S in the afternoon. Mostly sunny. Seas 1 ft or less.

      S 11kt
      < 1ft

    • Friday Night

      Friday Night:S wind around 12 kt. A chance of showers after 2am.   Seas 1 ft or less.

      S 12kt
      < 1ft

    • Saturday

      Saturday:S wind around 16 kt, with gusts as high as 23 kt. Showers, with thunderstorms also possible after 11am.   Seas 1 ft or less.

      S 16kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind around 14 kt becoming NW after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Seas 1 ft or less.

      W 14kt
      < 1ft

    • Sunday

      Sunday:NW wind around 13 kt. Sunny. Seas 1 ft or less.

      NW 13kt
      < 1ft

    • Sunday Night

      Sunday Night:NW wind around 10 kt. Mostly clear. Seas 1 ft or less.

      NW 10kt
      < 1ft

    • Monday

      Monday:NW wind around 8 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

      W 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 6:03 am EDT Apr 24, 2025
Forecast Valid: 8am EDT Apr 24, 2025-6pm EDT Apr 30, 2025

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Tonight
SW wind 8 to 11 kt. Mostly clear. Seas 1 ft or less.
Friday
SW wind 6 to 11 kt becoming S in the afternoon. Mostly sunny. Seas 1 ft or less.
Friday Night
S wind around 12 kt. A chance of showers after 2am. Seas 1 ft or less.
Saturday
S wind around 16 kt, with gusts as high as 23 kt. Showers, with thunderstorms also possible after 11am. Seas 1 ft or less.
Saturday Night
W wind around 14 kt becoming NW after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
NW wind around 13 kt. Sunny. Seas 1 ft or less.
Sunday Night
NW wind around 10 kt. Mostly clear. Seas 1 ft or less.
Monday
NW wind around 8 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

*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: 40.64°N 73.36°W
Last Update: 6:03 am EDT Apr 24, 2025
Forecast Valid: 8am EDT Apr 24, 2025-6pm EDT Apr 30, 2025
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