For More Weather Information:

Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:NNE wind 5 to 10 kt becoming ESE in the afternoon. Patchy fog before 11am.  Seas around 2 ft.

      High: 70 °F

      NNE 10kt
      2ft

    • Wednesday Night

      Wednesday Night:S wind around 10 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.

      Low: 64 °F

      S 10kt
      2ft

    • Thursday

      Thursday:WSW wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      High: 80 °F

      SSW 10kt
      1-2ft

    • Thursday Night

      Thursday Night:SW wind around 10 kt. Mostly cloudy. Seas around 2 ft.

      Low: 67 °F

      SW 10kt
      2ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm.   Seas 1 to 2 ft.

      High: 79 °F

      Light Wind
      1-2ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 7pm.   Seas around 1 ft.

      Low: 66 °F

      Light Wind
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.

      High: 72 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 65 °F

      Light Wind
      1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Sunny. Seas around 1 ft.

      High: 72 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:22 pm EDT Jul 7, 2026
Forecast Valid: 2am EDT Jul 8, 2026-6pm EDT Jul 14, 2026

View Nearby Observations

Detailed Forecast


Wednesday
NNE wind 5 to 10 kt becoming ESE in the afternoon. Patchy fog before 11am. Seas around 2 ft.
Wednesday Night
S wind around 10 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.
Thursday
WSW wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Thursday Night
SW wind around 10 kt. Mostly cloudy. Seas around 2 ft.
Friday
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.
Friday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 7pm. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Sunny. 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: 42.99°N 70.62°W
Last Update: 7:22 pm EDT Jul 7, 2026
Forecast Valid: 2am EDT Jul 8, 2026-6pm EDT Jul 14, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data