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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Increasing clouds. Seas 3 to 4 ft.

      High: 25 °F

      W 20kt
      3-4ft

    • Tuesday Night

      Tuesday Night:W wind 15 to 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly clear. Seas 2 to 3 ft.

      Low: 19 °F

      W 20kt
      2-3ft

    • Wednesday

      Wednesday:WSW wind 15 to 20 kt becoming SSW in the afternoon. Widespread freezing spray. Increasing clouds. Seas around 2 ft.

      High: 37 °F

      SSW 20kt
      2ft

    • Wednesday Night

      Wednesday Night:SSW wind around 20 kt, with gusts as high as 25 kt. A chance of snow after 9pm.   Seas 3 to 4 ft.

      Low: 31 °F

      SSW 20kt
      3-4ft

    • Thursday

      Thursday:WSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 41 °F

      WSW 15kt
      3-4ft

    • Thursday Night

      Thursday Night:W wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 27 °F

      W 15kt
      2-3ft

    • Friday

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

      High: 30 °F

      W 20kt
      2-3ft

    • Friday Night

      Friday Night:WNW wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray after 8pm. Partly cloudy. Seas around 3 ft.

      Low: 9 °F

      WNW 20kt
      3ft

    • Saturday

      Saturday:WNW wind 15 to 20 kt, with gusts as high as 25 kt. Widespread freezing spray. Sunny. Seas 2 to 3 ft.

      High: 14 °F

      WNW 20kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:28 am EST Jan 20, 2026
Forecast Valid: 3am EST Jan 20, 2026-6pm EST Jan 26, 2026

View Nearby Observations

Detailed Forecast


Tuesday
W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Increasing clouds. Seas 3 to 4 ft.
Tuesday Night
W wind 15 to 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly clear. Seas 2 to 3 ft.
Wednesday
WSW wind 15 to 20 kt becoming SSW in the afternoon. Widespread freezing spray. Increasing clouds. Seas around 2 ft.
Wednesday Night
SSW wind around 20 kt, with gusts as high as 25 kt. A chance of snow after 9pm. Seas 3 to 4 ft.
Thursday
WSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 3 to 4 ft.
Thursday Night
W wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas 2 to 3 ft.
Friday
W wind 15 to 20 kt, with gusts as high as 30 kt. Partly sunny. Seas 2 to 3 ft.
Friday Night
WNW wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray after 8pm. Partly cloudy. Seas around 3 ft.
Saturday
WNW wind 15 to 20 kt, with gusts as high as 25 kt. Widespread freezing spray. Sunny. Seas 2 to 3 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: 12:28 am EST Jan 20, 2026
Forecast Valid: 3am EST Jan 20, 2026-6pm EST Jan 26, 2026
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