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New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:S wind around 6 kt. A chance of showers and thunderstorms after 11pm.   Seas 1 ft or less.

      S 6kt
      < 1ft

    • Tuesday

      Tuesday:SW wind 7 to 11 kt. Showers and thunderstorms likely, mainly after 5pm.   Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 5 to 8 kt. Showers and thunderstorms likely before 2am, then a slight chance of showers.   Seas around 1 ft.

      SW 8kt
      1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A slight chance of showers before 8am.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

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

      ⇑WSW 7kt
      < 1ft

    • Thursday Night

      Thursday Night:WNW wind around 6 kt. Mostly clear. Seas around 1 ft.

      WNW 6kt
      1ft

    • Independence Day

      Independence Day:NW wind around 6 kt. Sunny. Seas around 1 ft.

      NW 6kt
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 4:35 pm EDT Jun 30, 2025
Forecast Valid: 7pm EDT Jun 30, 2025-6pm EDT Jul 7, 2025

View Nearby Observations

Detailed Forecast


Tonight
S wind around 6 kt. A chance of showers and thunderstorms after 11pm. Seas 1 ft or less.
Tuesday
SW wind 7 to 11 kt. Showers and thunderstorms likely, mainly after 5pm. Seas 1 ft or less.
Tuesday Night
SW wind 5 to 8 kt. Showers and thunderstorms likely before 2am, then a slight chance of showers. Seas around 1 ft.
Wednesday
Variable winds 5 kt or less. A slight chance of showers before 8am. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming WSW 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
WNW wind around 6 kt. Mostly clear. Seas around 1 ft.
Independence Day
NW wind around 6 kt. Sunny. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. 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: 40.92°N 73.15°W
Last Update: 4:35 pm EDT Jun 30, 2025
Forecast Valid: 7pm EDT Jun 30, 2025-6pm EDT Jul 7, 2025
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