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Gray/Portland, ME Local Forecast Office

23NM S Portland ME

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:SSW wind around 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before 10am, then rain likely.   Seas 4 ft building to 6 ft.

      High: 46 °F

      SSW 20kt
      Waves Building6ft

    • Wednesday Night

      Wednesday Night:SW wind around 20 kt, with gusts as high as 30 kt. Rain, mainly before 10pm.   Seas around 6 ft.

      Low: 34 °F

      SW 20kt
      6ft

    • Thursday

      Thursday:W wind 20 to 25 kt increasing to 25 to 30 kt. Winds could gust as high as 40 kt. Scattered snow showers before 2pm, then a slight chance of rain showers between 2pm and 5pm, then a slight chance of rain and snow showers after 5pm.   Seas around 5 ft.

      High: 40 °F

      ⇑W 30kt
      5ft

    • Thursday Night

      Thursday Night:W wind 25 to 30 kt, with gusts as high as 40 kt. Mostly cloudy. Seas 5 to 6 ft.

      Low: 25 °F

      W 30kt
      5-6ft

    • Friday

      Friday:W wind around 25 kt, with gusts as high as 35 kt. Sunny. Seas around 5 ft.

      High: 32 °F

      W 25kt
      5ft

    • Friday Night

      Friday Night:W wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 30 kt. Mostly clear. Seas 4 ft subsiding to 2 ft.

      Low: 29 °F

      W 20kt⇓
      4ftWaves Subsiding

    • Saturday

      Saturday:W wind around 10 kt. Partly sunny. Seas around 2 ft.

      High: 36 °F

      W 10kt
      2ft

    • Saturday Night

      Saturday Night:W wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 31 °F

      W 15kt
      2-3ft

    • Sunday

      Sunday:W wind around 15 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. A chance of snow.   Seas 2 to 3 ft.

      High: 34 °F

      WNW 15kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:54 am EST Dec 10, 2025
Forecast Valid: 4am EST Dec 10, 2025-6pm EST Dec 16, 2025

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Detailed Forecast


Wednesday
SSW wind around 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before 10am, then rain likely. Seas 4 ft building to 6 ft.
Wednesday Night
SW wind around 20 kt, with gusts as high as 30 kt. Rain, mainly before 10pm. Seas around 6 ft.
Thursday
W wind 20 to 25 kt increasing to 25 to 30 kt. Winds could gust as high as 40 kt. Scattered snow showers before 2pm, then a slight chance of rain showers between 2pm and 5pm, then a slight chance of rain and snow showers after 5pm. Seas around 5 ft.
Thursday Night
W wind 25 to 30 kt, with gusts as high as 40 kt. Mostly cloudy. Seas 5 to 6 ft.
Friday
W wind around 25 kt, with gusts as high as 35 kt. Sunny. Seas around 5 ft.
Friday Night
W wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 30 kt. Mostly clear. Seas 4 ft subsiding to 2 ft.
Saturday
W wind around 10 kt. Partly sunny. Seas around 2 ft.
Saturday Night
W wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 2 to 3 ft.
Sunday
W wind around 15 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. A chance of snow. Seas 2 to 3 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: 43.3°N 70.18°W
Last Update: 12:54 am EST Dec 10, 2025
Forecast Valid: 4am EST Dec 10, 2025-6pm EST Dec 16, 2025
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