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Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:N wind around 25 kt, with gusts as high as 35 kt. Snow with areas of blowing snow.   Seas around 2 ft.

      High: 32 °F

      N 25kt
      2ft

    • Tonight

      Tonight:NW wind 15 to 20 kt, with gusts as high as 25 kt. Snow likely with patchy blowing snow before 9pm, then a slight chance of snow between 9pm and 10pm, then patchy blowing snow after 10pm.   Seas 1 to 2 ft.

      Low: 22 °F

      NW 20kt
      1-2ft

    • Tuesday

      Tuesday:WNW wind 10 to 15 kt. Sunny. Seas around 1 ft.

      High: 30 °F

      WNW 15kt
      1ft

    • Tuesday Night

      Tuesday Night:WNW wind 5 to 10 kt becoming WSW after midnight. Increasing clouds. Seas around 1 ft.

      Low: 17 °F

      WNW 10kt
      1ft

    • Wednesday

      Wednesday:S wind 5 to 10 kt. Snow before 1pm, then rain and snow likely between 1pm and 3pm, then rain likely after 3pm.   Seas 1 to 2 ft.

      High: 38 °F

      S 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:SW wind around 10 kt becoming W after midnight. A chance of rain before 7pm.   Seas 1 to 2 ft.

      Low: 29 °F

      WSW 10kt
      1-2ft

    • Thursday

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

      High: 39 °F

      W 10kt
      1ft

    • Thursday Night

      Thursday Night:SW wind 5 to 10 kt becoming NE after midnight. A chance of snow.   Seas around 1 ft.

      Low: 27 °F

      NNE 10kt
      1ft

    • Friday

      Friday:N wind 5 to 10 kt becoming WNW in the afternoon. A chance of snow.   Seas around 1 ft.

      High: 38 °F

      N 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:40 pm EST Feb 23, 2026
Forecast Valid: 4pm EST Feb 23, 2026-6pm EST Mar 2, 2026

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Detailed Forecast


Late Afternoon
N wind around 25 kt, with gusts as high as 35 kt. Snow with areas of blowing snow. Seas around 2 ft.
Tonight
NW wind 15 to 20 kt, with gusts as high as 25 kt. Snow likely with patchy blowing snow before 9pm, then a slight chance of snow between 9pm and 10pm, then patchy blowing snow after 10pm. Seas 1 to 2 ft.
Tuesday
WNW wind 10 to 15 kt. Sunny. Seas around 1 ft.
Tuesday Night
WNW wind 5 to 10 kt becoming WSW after midnight. Increasing clouds. Seas around 1 ft.
Wednesday
S wind 5 to 10 kt. Snow before 1pm, then rain and snow likely between 1pm and 3pm, then rain likely after 3pm. Seas 1 to 2 ft.
Wednesday Night
SW wind around 10 kt becoming W after midnight. A chance of rain before 7pm. Seas 1 to 2 ft.
Thursday
W wind around 10 kt. Mostly sunny. Seas around 1 ft.
Thursday Night
SW wind 5 to 10 kt becoming NE after midnight. A chance of snow. Seas around 1 ft.
Friday
N wind 5 to 10 kt becoming WNW in the afternoon. A chance of snow. 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: 43.06°N 70.69°W
Last Update: 1:40 pm EST Feb 23, 2026
Forecast Valid: 4pm EST Feb 23, 2026-6pm EST Mar 2, 2026
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