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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:NNE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Seas 1 ft or less.

      NNE 6kt⇓
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:ESE wind 8 to 10 kt. Rain likely, mainly after 2pm.   Seas 1 ft or less.

      ESE 10kt
      < 1ft

    • Sunday Night

      Sunday Night:E wind 13 to 17 kt, with gusts as high as 24 kt. Rain and possibly a thunderstorm.   Seas around 1 ft.

      E 17kt
      1ft

    • Columbus Day

      Columbus Day:N wind 7 to 12 kt. Rain likely, mainly before 8am.   Seas 1 ft or less.

      N 12kt
      < 1ft

    • Monday Night

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

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:SSW wind 5 to 8 kt. A chance of showers after 2pm.   Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 11 to 13 kt becoming W after midnight. Showers likely.   Seas 1 ft or less.

      W 13kt
      < 1ft

    • Wednesday

      Wednesday:NNW wind 11 to 13 kt. Mostly sunny. Seas around 1 ft.

      NNW 13kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 2:11 am EDT Oct 10, 2026
Forecast Valid: 7am EDT Oct 10, 2026-6pm EDT Oct 16, 2026

View Nearby Observations

Detailed Forecast


Today
NNE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Sunday
ESE wind 8 to 10 kt. Rain likely, mainly after 2pm. Seas 1 ft or less.
Sunday Night
E wind 13 to 17 kt, with gusts as high as 24 kt. Rain and possibly a thunderstorm. Seas around 1 ft.
Columbus Day
N wind 7 to 12 kt. Rain likely, mainly before 8am. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
SSW wind 5 to 8 kt. A chance of showers after 2pm. Seas 1 ft or less.
Tuesday Night
SSW wind 11 to 13 kt becoming W after midnight. Showers likely. Seas 1 ft or less.
Wednesday
NNW wind 11 to 13 kt. Mostly sunny. Seas around 1 ft.

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: 2:11 am EDT Oct 10, 2026
Forecast Valid: 7am EDT Oct 10, 2026-6pm EDT Oct 16, 2026
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