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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind around 15 kt, with gusts as high as 25 kt. Snow.   Seas around 2 ft.

      Low: 26 °F

      SSW 15kt
      2ft

    • New Year's Day

      New Year's Day:WSW wind 15 to 20 kt becoming WNW 25 to 30 kt. Winds could gust as high as 40 kt. A chance of snow, mainly before 1pm.  Widespread freezing spray after 3pm.  Seas 2 to 3 ft.

      High: 33 °FFalling Temperatures

      ⇑WNW 30kt
      2-3ft

    • Thursday Night

      Thursday Night:WNW wind 20 to 25 kt, with gusts as high as 35 kt. Widespread freezing spray. Mostly clear. Seas around 3 ft.

      Low: 14 °F

      WNW 25kt
      3ft

    • Friday

      Friday:W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray before 2pm. Sunny. Seas 2 to 3 ft.

      High: 26 °F

      W 20kt
      2-3ft

    • Friday Night

      Friday Night:W wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray after 5am. Mostly clear. Seas around 2 ft.

      Low: 22 °F

      W 15kt
      2ft

    • Saturday

      Saturday:W wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray before 9am. Mostly sunny. Seas around 2 ft.

      High: 29 °F

      W 15kt
      2ft

    • Saturday Night

      Saturday Night:W wind around 10 kt. A chance of snow after 4am.   Seas 1 to 2 ft.

      Low: 23 °F

      W 10kt
      1-2ft

    • Sunday

      Sunday:NNW wind around 10 kt. A chance of snow.   Seas around 1 ft.

      High: 29 °F

      NNW 10kt
      1ft

    • Sunday Night

      Sunday Night:NW wind 10 to 15 kt. Partly cloudy. Seas around 1 ft.

      Low: 17 °F

      NW 15kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:29 pm EST Dec 31, 2025
Forecast Valid: 7pm EST Dec 31, 2025-6pm EST Jan 7, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSW wind around 15 kt, with gusts as high as 25 kt. Snow. Seas around 2 ft.
New Year's Day
WSW wind 15 to 20 kt becoming WNW 25 to 30 kt. Winds could gust as high as 40 kt. A chance of snow, mainly before 1pm. Widespread freezing spray after 3pm. Seas 2 to 3 ft.
Thursday Night
WNW wind 20 to 25 kt, with gusts as high as 35 kt. Widespread freezing spray. Mostly clear. Seas around 3 ft.
Friday
W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray before 2pm. Sunny. Seas 2 to 3 ft.
Friday Night
W wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray after 5am. Mostly clear. Seas around 2 ft.
Saturday
W wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray before 9am. Mostly sunny. Seas around 2 ft.
Saturday Night
W wind around 10 kt. A chance of snow after 4am. Seas 1 to 2 ft.
Sunday
NNW wind around 10 kt. A chance of snow. Seas around 1 ft.
Sunday Night
NW wind 10 to 15 kt. Partly cloudy. 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: 42.99°N 70.62°W
Last Update: 12:29 pm EST Dec 31, 2025
Forecast Valid: 7pm EST Dec 31, 2025-6pm EST Jan 7, 2026
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