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Gray/Portland, ME Local Forecast Office

10NM S Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NNW wind around 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before 10pm.  Widespread freezing spray.  Seas 3 to 4 ft.

      Low: 8 °F

      NNW 20kt
      3-4ft

    • Sunday

      Sunday:NW wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Mostly sunny. Seas around 4 ft.

      High: 21 °F

      NW 15kt
      4ft

    • Sunday Night

      Sunday Night:NW wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Mostly clear. Seas around 4 ft.

      Low: 12 °F

      NW 15kt
      4ft

    • Monday

      Monday:WNW wind 10 to 15 kt. Widespread freezing spray before 1pm. Sunny. Seas 3 to 4 ft.

      High: 28 °F

      WNW 15kt
      3-4ft

    • Monday Night

      Monday Night:NW wind around 10 kt. Widespread freezing spray after 11pm. Mostly clear. Seas 2 to 3 ft.

      Low: 17 °F

      NW 10kt
      2-3ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Widespread freezing spray before 8am. Partly sunny. Seas around 2 ft.

      High: 33 °F

      Light Wind
      2ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of snow between 7pm and 4am.   Seas 1 to 2 ft.

      Low: 28 °F

      Light Wind
      1-2ft

    • Wednesday

      Wednesday:NW wind 5 to 10 kt. Mostly cloudy. Seas 1 to 2 ft.

      High: 38 °F

      NW 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:NW wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.

      Low: 25 °F

      NW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:55 pm EST Feb 7, 2026
Forecast Valid: 8pm EST Feb 7, 2026-6pm EST Feb 14, 2026

View Nearby Observations

Detailed Forecast


Tonight
NNW wind around 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before 10pm. Widespread freezing spray. Seas 3 to 4 ft.
Sunday
NW wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Mostly sunny. Seas around 4 ft.
Sunday Night
NW wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Mostly clear. Seas around 4 ft.
Monday
WNW wind 10 to 15 kt. Widespread freezing spray before 1pm. Sunny. Seas 3 to 4 ft.
Monday Night
NW wind around 10 kt. Widespread freezing spray after 11pm. Mostly clear. Seas 2 to 3 ft.
Tuesday
Variable winds 5 kt or less. Widespread freezing spray before 8am. Partly sunny. Seas around 2 ft.
Tuesday Night
Variable winds 5 kt or less. A chance of snow between 7pm and 4am. Seas 1 to 2 ft.
Wednesday
NW wind 5 to 10 kt. Mostly cloudy. Seas 1 to 2 ft.
Wednesday Night
NW wind 5 to 10 kt. Mostly 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: 42.9°N 70.79°W
Last Update: 6:55 pm EST Feb 7, 2026
Forecast Valid: 8pm EST Feb 7, 2026-6pm EST Feb 14, 2026
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