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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Christmas Day

      Christmas Day:WSW wind 10 to 13 kt becoming NW 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of snow showers, mainly before 10am. Seas 4 to 5 ft.

      High: 38 °F

      ⇑NW 15kt
      4-5ft

    • Tonight

      Tonight:NNW wind 10 to 15 kt, with gusts as high as 25 kt. Widespread freezing spray after 10pm. Mostly clear. Seas 3 to 4 ft.

      Low: 14 °F

      NNW 15kt
      3-4ft

    • Friday

      Friday:NW wind 5 to 10 kt. Widespread freezing spray before 10am. Increasing clouds. Seas around 3 ft.

      High: 24 °F

      NW 10kt
      3ft

    • Friday Night

      Friday Night:N wind 5 to 10 kt. A chance of snow after 3am. Seas 2 to 3 ft.

      Low: 19 °F

      N 10kt
      2-3ft

    • Saturday

      Saturday:N wind 5 to 10 kt. A chance of snow before 8am. Seas around 2 ft.

      High: 26 °F

      N 10kt
      2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Low: 19 °F

      Light Wind
      2ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

      High: 36 °F

      Light Wind
      2ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Rain likely. Seas around 2 ft.

      Low: 30 °F

      Light Wind
      2ft

    • Monday

      Monday:S wind around 10 kt becoming W in the afternoon. Rain. Seas around 2 ft.

      High: 42 °F

      W 10kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:38 am EST Dec 25, 2025
Forecast Valid: 8am EST Dec 25, 2025-6pm EST Dec 31, 2025

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Detailed Forecast


Christmas Day
WSW wind 10 to 13 kt becoming NW 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of snow showers, mainly before 10am. Seas 4 to 5 ft.
Tonight
NNW wind 10 to 15 kt, with gusts as high as 25 kt. Widespread freezing spray after 10pm. Mostly clear. Seas 3 to 4 ft.
Friday
NW wind 5 to 10 kt. Widespread freezing spray before 10am. Increasing clouds. Seas around 3 ft.
Friday Night
N wind 5 to 10 kt. A chance of snow after 3am. Seas 2 to 3 ft.
Saturday
N wind 5 to 10 kt. A chance of snow before 8am. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.
Sunday Night
Variable winds 5 kt or less. Rain likely. Seas around 2 ft.
Monday
S wind around 10 kt becoming W in the afternoon. Rain. Seas around 2 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: 42.98°N 70.74°W
Last Update: 5:38 am EST Dec 25, 2025
Forecast Valid: 8am EST Dec 25, 2025-6pm EST Dec 31, 2025
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