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Hazardous Weather Conditions

For More Weather Information:

Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Monday

      Monday:W wind 10 to 15 kt becoming NW in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 to 2 ft.

      High: 38 °F

      WNW 15kt
      1-2ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

      Low: 27 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:SSW wind 5 to 8 kt becoming ENE 7 to 10 kt in the afternoon. Snow likely before 11am, then rain and snow between 11am and 2pm, then rain after 2pm. Seas around 1 ft.

      High: 38 °F

      ⇑ENE 10kt
      1ft

    • Tuesday Night

      Tuesday Night:NE wind 15 to 20 kt becoming NNW after midnight. Rain and snow, mainly before 1am. Seas around 1 ft.

      Low: 29 °F

      NNE 20kt
      1ft

    • Wednesday

      Wednesday:NW wind 7 to 10 kt becoming W 5 to 8 kt in the afternoon. Sunny. Seas around 2 ft.

      High: 36 °F

      NW 10kt⇓
      2ft

    • Wednesday Night

      Wednesday Night:SW wind 5 to 10 kt. Mostly cloudy. Seas around 2 ft.

      Low: 29 °F

      SW 10kt
      2ft

    • Thursday

      Thursday:SW wind 10 to 15 kt becoming WNW 15 to 20 kt in the afternoon. Partly sunny. Seas around 2 ft.

      High: 38 °F

      ⇑WNW 20kt
      2ft

    • Thursday Night

      Thursday Night:WNW wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Mostly clear. Seas around 1 ft.

      Low: 13 °F

      WNW 20kt⇓
      1ft

    • Friday

      Friday:WNW wind around 10 kt becoming WSW in the afternoon. Mostly sunny. Seas around 1 ft.

      High: 28 °F

      W 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:50 am EST Dec 1, 2025
Forecast Valid: 1am EST Dec 1, 2025-6pm EST Dec 7, 2025

View Nearby Observations

Detailed Forecast


Monday
W wind 10 to 15 kt becoming NW in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 to 2 ft.
Monday Night
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Tuesday
SSW wind 5 to 8 kt becoming ENE 7 to 10 kt in the afternoon. Snow likely before 11am, then rain and snow between 11am and 2pm, then rain after 2pm. Seas around 1 ft.
Tuesday Night
NE wind 15 to 20 kt becoming NNW after midnight. Rain and snow, mainly before 1am. Seas around 1 ft.
Wednesday
NW wind 7 to 10 kt becoming W 5 to 8 kt in the afternoon. Sunny. Seas around 2 ft.
Wednesday Night
SW wind 5 to 10 kt. Mostly cloudy. Seas around 2 ft.
Thursday
SW wind 10 to 15 kt becoming WNW 15 to 20 kt in the afternoon. Partly sunny. Seas around 2 ft.
Thursday Night
WNW wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Mostly clear. Seas around 1 ft.
Friday
WNW wind around 10 kt becoming WSW in the afternoon. Mostly 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: 43.06°N 70.69°W
Last Update: 12:50 am EST Dec 1, 2025
Forecast Valid: 1am EST Dec 1, 2025-6pm EST Dec 7, 2025
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