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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind around 15 kt, with gusts as high as 25 kt. A chance of snow, mainly before 2am. Seas 2 to 3 ft.

      Low: 31 °F

      SW 15kt
      2-3ft

    • Wednesday

      Wednesday:S wind 15 to 18 kt increasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. A chance of rain and snow before noon, then rain. Seas 3 to 4 ft.

      High: 42 °F

      ⇑S 20kt
      3-4ft

    • Wednesday Night

      Wednesday Night:SW wind around 20 kt, with gusts as high as 30 kt. Rain likely, mainly before 7pm. Seas 3 to 4 ft.

      Low: 36 °F

      SW 20kt
      3-4ft

    • Thursday

      Thursday:W wind 20 to 23 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 37 °F

      ⇑W 25kt
      2-3ft

    • Thursday Night

      Thursday Night:W wind around 25 kt, with gusts as high as 35 kt. Partly cloudy. Seas around 3 ft.

      Low: 26 °F

      W 25kt
      3ft

    • Friday

      Friday:W wind around 20 kt, with gusts as high as 30 kt. Sunny. Seas around 3 ft.

      High: 33 °F

      W 20kt
      3ft

    • Friday Night

      Friday Night:W wind 15 to 20 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 29 °F

      W 20kt
      1-2ft

    • Saturday

      Saturday:WSW wind 10 to 15 kt. Partly sunny. Seas 1 to 2 ft.

      High: 37 °F

      WSW 15kt
      1-2ft

    • Saturday Night

      Saturday Night:W wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 2 ft.

      Low: 31 °F

      W 15kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:16 pm EST Dec 9, 2025
Forecast Valid: 8pm EST Dec 9, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast


Tonight
SW wind around 15 kt, with gusts as high as 25 kt. A chance of snow, mainly before 2am. Seas 2 to 3 ft.
Wednesday
S wind 15 to 18 kt increasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. A chance of rain and snow before noon, then rain. Seas 3 to 4 ft.
Wednesday Night
SW wind around 20 kt, with gusts as high as 30 kt. Rain likely, mainly before 7pm. Seas 3 to 4 ft.
Thursday
W wind 20 to 23 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
W wind around 25 kt, with gusts as high as 35 kt. Partly cloudy. Seas around 3 ft.
Friday
W wind around 20 kt, with gusts as high as 30 kt. Sunny. Seas around 3 ft.
Friday Night
W wind 15 to 20 kt. Partly cloudy. Seas 1 to 2 ft.
Saturday
WSW wind 10 to 15 kt. Partly sunny. Seas 1 to 2 ft.
Saturday Night
W wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. 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: 1:16 pm EST Dec 9, 2025
Forecast Valid: 8pm EST Dec 9, 2025-6pm EST Dec 16, 2025
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