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New York, NY Local Forecast Office

9NM E Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind 17 to 19 kt. Mostly sunny. Seas around 1 ft.

      WSW 19kt
      1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:W wind 12 to 17 kt. Mostly clear. Seas around 1 ft.

      W 17kt
      1ft

    • Tuesday

      Tuesday:W wind 12 to 14 kt becoming SSW in the afternoon. Mostly sunny. Seas around 1 ft.

      SSW 14kt
      1ft

    • Tuesday Night

      Tuesday Night:SSW wind 16 to 18 kt. Mostly cloudy. Seas around 1 ft.

      SSW 18kt
      1ft

    • Wednesday

      Wednesday:SW wind 10 to 14 kt. A slight chance of showers.   Seas around 1 ft.

      SW 14kt
      1ft

    • Wednesday Night

      Wednesday Night:SSW wind 5 to 8 kt becoming W after midnight. A chance of showers.   Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Thursday

      Thursday:W wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A chance of rain.   Seas 1 ft or less.

      ⇑W 13kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind 16 to 21 kt. A chance of snow.   Seas around 1 ft.

      N 21kt
      1ft

    • Friday

      Friday:NNW wind 19 to 22 kt becoming W 16 to 19 kt in the afternoon. A chance of snow.   Seas around 1 ft.

      NNW 22kt⇓
      1ft


Associated Zone Forecast which includes this point

Last Update: 5:36 am EST Jan 12, 2026
Forecast Valid: 12pm EST Jan 12, 2026-6pm EST Jan 18, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING...

This Afternoon
WSW wind 17 to 19 kt. Mostly sunny. Seas around 1 ft.
Tonight
W wind 12 to 17 kt. Mostly clear. Seas around 1 ft.
Tuesday
W wind 12 to 14 kt becoming SSW in the afternoon. Mostly sunny. Seas around 1 ft.
Tuesday Night
SSW wind 16 to 18 kt. Mostly cloudy. Seas around 1 ft.
Wednesday
SW wind 10 to 14 kt. A slight chance of showers. Seas around 1 ft.
Wednesday Night
SSW wind 5 to 8 kt becoming W after midnight. A chance of showers. Seas 1 ft or less.
Thursday
W wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A chance of rain. Seas 1 ft or less.
Thursday Night
N wind 16 to 21 kt. A chance of snow. Seas around 1 ft.
Friday
NNW wind 19 to 22 kt becoming W 16 to 19 kt in the afternoon. A chance of snow. Seas around 1 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: 40.71°N 73.02°W
Last Update: 5:36 am EST Jan 12, 2026
Forecast Valid: 12pm EST Jan 12, 2026-6pm EST Jan 18, 2026
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