For More Weather Information:

Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain, mainly after noon.   Seas around 1 ft.

      High: 45 °F

      SSW 15kt
      1ft

    • Wednesday Night

      Wednesday Night:SW wind 10 to 15 kt, with gusts as high as 20 kt. Rain likely, mainly before 10pm.   Seas around 1 ft.

      Low: 32 °F

      SW 15kt
      1ft

    • Thursday

      Thursday:W wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Isolated showers between noon and 3pm.   Seas around 1 ft.

      High: 37 °F

      ⇑W 25kt
      1ft

    • Thursday Night

      Thursday Night:W wind around 20 kt, with gusts as high as 35 kt. Partly cloudy. Seas around 1 ft.

      Low: 22 °F

      W 20kt
      1ft

    • Friday

      Friday:W wind 15 to 20 kt. Sunny. Seas around 1 ft.

      High: 32 °F

      W 20kt
      1ft

    • Friday Night

      Friday Night:W wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Mostly clear. Seas around 1 ft.

      Low: 24 °F

      W 15kt⇓
      1ft

    • Saturday

      Saturday:W wind 5 to 10 kt. Partly sunny. Seas around 1 ft.

      High: 34 °F

      W 10kt
      1ft

    • Saturday Night

      Saturday Night:W wind around 10 kt. Mostly cloudy. Seas around 1 ft.

      Low: 26 °F

      W 10kt
      1ft

    • Sunday

      Sunday:W wind 10 to 15 kt becoming WNW in the afternoon. A chance of snow.   Seas around 1 ft.

      High: 33 °F

      WNW 15kt
      1ft


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: 3am EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast


Wednesday
SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain, mainly after noon. Seas around 1 ft.
Wednesday Night
SW wind 10 to 15 kt, with gusts as high as 20 kt. Rain likely, mainly before 10pm. Seas around 1 ft.
Thursday
W wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Isolated showers between noon and 3pm. Seas around 1 ft.
Thursday Night
W wind around 20 kt, with gusts as high as 35 kt. Partly cloudy. Seas around 1 ft.
Friday
W wind 15 to 20 kt. Sunny. Seas around 1 ft.
Friday Night
W wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Mostly clear. Seas around 1 ft.
Saturday
W wind 5 to 10 kt. Partly sunny. Seas around 1 ft.
Saturday Night
W wind around 10 kt. Mostly cloudy. Seas around 1 ft.
Sunday
W wind 10 to 15 kt becoming WNW 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 43.06°N 70.69°W
Last Update: 12:54 am EST Dec 10, 2025
Forecast Valid: 3am EST Dec 10, 2025-6pm EST Dec 16, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data