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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:NNE wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. Snow, mainly before 2pm.  Widespread freezing spray before 3pm, then Widespread freezing spray between 4pm and 5pm.  Seas 6 ft building to 8 ft.

      High: 25 °F

      NNE 20kt⇓
      Waves Building8ft

    • Monday Night

      Monday Night:N wind 10 to 13 kt becoming NW 12 to 15 kt in the evening. Winds could gust as high as 25 kt. Snow, mainly before 11pm.  Widespread freezing spray after 7pm.  Seas 7 to 8 ft.

      Low: 12 °F

      ⇑NW 15kt
      7-8ft

    • Tuesday

      Tuesday:WNW wind 10 to 15 kt becoming WSW in the afternoon. Widespread freezing spray before 2pm. Increasing clouds. Seas 5 to 6 ft.

      High: 22 °F

      WNW 15kt
      5-6ft

    • Tuesday Night

      Tuesday Night:W wind around 10 kt. Widespread freezing spray after 8pm. Mostly cloudy, then gradually becoming mostly clear. Seas 3 to 4 ft.

      Low: 10 °F

      W 10kt
      3-4ft

    • Wednesday

      Wednesday:W wind around 10 kt. Widespread freezing spray before 2pm. Sunny. Seas 2 to 3 ft.

      High: 23 °F

      W 10kt
      2-3ft

    • Wednesday Night

      Wednesday Night:WNW wind around 10 kt. Mostly cloudy. Seas 1 to 2 ft.

      Low: 9 °F

      WNW 10kt
      1-2ft

    • Thursday

      Thursday:WNW wind around 10 kt. Mostly sunny. Seas around 1 ft.

      High: 21 °F

      WNW 10kt
      1ft

    • Thursday Night

      Thursday Night:WNW wind around 10 kt. Mostly clear. Seas around 1 ft.

      Low: 5 °F

      WNW 10kt
      1ft

    • Friday

      Friday:WNW wind around 10 kt. Sunny. Seas around 1 ft.

      High: 19 °F

      WNW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:33 am EST Jan 26, 2026
Forecast Valid: 3am EST Jan 26, 2026-6pm EST Feb 1, 2026

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Detailed Forecast


Monday
NNE wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. Snow, mainly before 2pm. Widespread freezing spray before 3pm, then Widespread freezing spray between 4pm and 5pm. Seas 6 ft building to 8 ft.
Monday Night
N wind 10 to 13 kt becoming NW 12 to 15 kt in the evening. Winds could gust as high as 25 kt. Snow, mainly before 11pm. Widespread freezing spray after 7pm. Seas 7 to 8 ft.
Tuesday
WNW wind 10 to 15 kt becoming WSW in the afternoon. Widespread freezing spray before 2pm. Increasing clouds. Seas 5 to 6 ft.
Tuesday Night
W wind around 10 kt. Widespread freezing spray after 8pm. Mostly cloudy, then gradually becoming mostly clear. Seas 3 to 4 ft.
Wednesday
W wind around 10 kt. Widespread freezing spray before 2pm. Sunny. Seas 2 to 3 ft.
Wednesday Night
WNW wind around 10 kt. Mostly cloudy. Seas 1 to 2 ft.
Thursday
WNW wind around 10 kt. Mostly sunny. Seas around 1 ft.
Thursday Night
WNW wind around 10 kt. Mostly clear. Seas around 1 ft.
Friday
WNW wind around 10 kt. 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.
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ABOUT THIS FORECAST

Point Forecast: 42.98°N 70.74°W
Last Update: 12:33 am EST Jan 26, 2026
Forecast Valid: 3am EST Jan 26, 2026-6pm EST Feb 1, 2026
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