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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NW wind around 15 kt, with gusts as high as 20 kt. Sunny. Seas 2 to 3 ft.

      High: 25 °F

      NW 15kt
      2-3ft

    • Tonight

      Tonight:NW wind 10 to 15 kt. Mostly clear. Seas around 2 ft.

      Low: 12 °F

      NW 15kt
      2ft

    • Tuesday

      Tuesday:WNW wind 5 to 10 kt becoming SSW in the afternoon. Increasing clouds. Seas 1 to 2 ft.

      High: 34 °F

      SSW 10kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SSW wind 15 to 20 kt. A chance of snow showers before 2am, then a chance of rain showers after 5am.   Seas 2 to 3 ft.

      Low: 31 °F

      SSW 20kt
      2-3ft

    • Wednesday

      Wednesday:SSW wind 15 to 20 kt, with gusts as high as 25 kt. Rain.   Seas around 3 ft.

      High: 45 °F

      SSW 20kt
      3ft

    • Wednesday Night

      Wednesday Night:SSW wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely before 1am.   Seas around 3 ft.

      Low: 36 °F

      SSW 20kt
      3ft

    • Thursday

      Thursday:W wind 15 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 39 °F

      W 20kt
      2-3ft

    • Thursday Night

      Thursday Night:W wind around 20 kt, with gusts as high as 30 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 27 °F

      W 20kt
      2-3ft

    • Friday

      Friday:W wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.

      High: 32 °F

      W 20kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:20 pm EST Dec 8, 2025
Forecast Valid: 1pm EST Dec 8, 2025-6pm EST Dec 14, 2025

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Detailed Forecast


This Afternoon
NW wind around 15 kt, with gusts as high as 20 kt. Sunny. Seas 2 to 3 ft.
Tonight
NW wind 10 to 15 kt. Mostly clear. Seas around 2 ft.
Tuesday
WNW wind 5 to 10 kt becoming SSW in the afternoon. Increasing clouds. Seas 1 to 2 ft.
Tuesday Night
SSW wind 15 to 20 kt. A chance of snow showers before 2am, then a chance of rain showers after 5am. Seas 2 to 3 ft.
Wednesday
SSW wind 15 to 20 kt, with gusts as high as 25 kt. Rain. Seas around 3 ft.
Wednesday Night
SSW wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely before 1am. Seas around 3 ft.
Thursday
W wind 15 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
W wind around 20 kt, with gusts as high as 30 kt. Partly cloudy. Seas 2 to 3 ft.
Friday
W wind 15 to 20 kt. Mostly sunny. 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: 42.99°N 70.62°W
Last Update: 12:20 pm EST Dec 8, 2025
Forecast Valid: 1pm EST Dec 8, 2025-6pm EST Dec 14, 2025
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