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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind around 9 kt. Cloudy. Seas 1 ft or less.

      NE 9kt
      < 1ft

    • Tonight

      Tonight:NE wind around 6 kt becoming variable and less than 5 kt in the evening. Cloudy. Seas 1 ft or less.

      NE 6kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Cloudy. Seas 1 ft or less.

      ⇑SSW 8kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind 9 to 12 kt. A chance of showers and thunderstorms, then showers likely after 1am.  Areas of dense fog after 1am.  Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Sunday

      Sunday:W wind 9 to 12 kt. A chance of showers before 1pm.  Areas of fog before 1pm.  Seas 1 ft or less.

      W 12kt
      < 1ft

    • Sunday Night

      Sunday Night:WSW wind 5 to 8 kt. Mostly clear. Seas 1 ft or less.

      WSW 8kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑SSW 10kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.

      SSW 9kt⇓
      1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 12:51 pm EST Mar 6, 2026
Forecast Valid: 1pm EST Mar 6, 2026-6pm EDT Mar 12, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
NE wind around 9 kt. Cloudy. Seas 1 ft or less.
Tonight
NE wind around 6 kt becoming variable and less than 5 kt in the evening. Cloudy. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Cloudy. Seas 1 ft or less.
Saturday Night
SSW wind 9 to 12 kt. A chance of showers and thunderstorms, then showers likely after 1am. Areas of dense fog after 1am. Seas 1 ft or less.
Sunday
W wind 9 to 12 kt. A chance of showers before 1pm. Areas of fog before 1pm. Seas 1 ft or less.
Sunday Night
WSW wind 5 to 8 kt. Mostly clear. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Sunny. Seas 1 ft or less.
Monday Night
SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.
Tuesday
Variable winds 5 kt or less. Mostly 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: 40.91°N 73.39°W
Last Update: 12:51 pm EST Mar 6, 2026
Forecast Valid: 1pm EST Mar 6, 2026-6pm EDT Mar 12, 2026
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