For More Weather Information:

Gray/Portland, ME Local Forecast Office

5NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Isolated showers between 1pm and 3pm.   Seas around 2 ft.

      High: 70 °F

      Light Wind
      2ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Isolated showers after 1am.   Seas around 1 ft.

      Low: 64 °F

      Light Wind
      1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Scattered showers, with thunderstorms also possible after 5pm.   Seas around 1 ft.

      High: 69 °F

      Light Wind
      1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Scattered showers before 2am.   Seas around 1 ft.

      Low: 63 °F

      Light Wind
      1ft

    • Friday

      Friday:Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

      High: 73 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.

      Low: 65 °F

      Light Wind
      1-2ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

      High: 75 °F

      Light Wind
      2ft

    • Saturday Night

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

      Low: 65 °F

      Light Wind
      1ft

    • Sunday

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

      High: 77 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:17 am EDT Jul 9, 2025
Forecast Valid: 11am EDT Jul 9, 2025-6pm EDT Jul 15, 2025

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Isolated showers between 1pm and 3pm. Seas around 2 ft.
Tonight
Variable winds 5 kt or less. Isolated showers after 1am. Seas around 1 ft.
Thursday
Variable winds 5 kt or less. Scattered showers, with thunderstorms also possible after 5pm. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Scattered showers before 2am. Seas around 1 ft.
Friday
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.
Saturday
Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Partly 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: 42.98°N 70.74°W
Last Update: 5:17 am EDT Jul 9, 2025
Forecast Valid: 11am EDT Jul 9, 2025-6pm EDT Jul 15, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data