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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:NNW wind 5 to 10 kt becoming WSW. Mostly sunny. Seas around 2 ft.

      High: 38 °F

      NNW 10kt
      2ft

    • Tonight

      Tonight:WSW wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Mostly cloudy. Seas 2 to 3 ft.

      Low: 35 °F

      ⇑WSW 15kt
      2-3ft

    • Thursday

      Thursday:WSW wind 15 to 20 kt becoming WNW 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Snow showers likely, mainly between 4pm and 5pm. Seas around 3 ft.

      High: 38 °F

      ⇑WNW 25kt
      3ft

    • Thursday Night

      Thursday Night:WNW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Mostly clear. Seas around 3 ft.

      Low: 16 °F

      WNW 25kt⇓
      3ft

    • Friday

      Friday:WNW wind 10 to 15 kt becoming SW in the afternoon. Mostly sunny. Seas around 2 ft.

      High: 28 °F

      WNW 15kt
      2ft

    • Friday Night

      Friday Night:SW wind 10 to 15 kt becoming WNW 5 to 8 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.

      Low: 26 °F

      SW 15kt⇓
      1-2ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of snow after 8am. Seas around 1 ft.

      High: 34 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:WSW wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.

      Low: 31 °F

      WSW 10kt
      1ft

    • Sunday

      Sunday:WNW wind 5 to 10 kt. Partly sunny. Seas around 1 ft.

      High: 38 °F

      WNW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:42 pm EST Dec 3, 2025
Forecast Valid: 1pm EST Dec 3, 2025-6pm EST Dec 9, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
NNW wind 5 to 10 kt becoming WSW. Mostly sunny. Seas around 2 ft.
Tonight
WSW wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Mostly cloudy. Seas 2 to 3 ft.
Thursday
WSW wind 15 to 20 kt becoming WNW 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Snow showers likely, mainly between 4pm and 5pm. Seas around 3 ft.
Thursday Night
WNW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Mostly clear. Seas around 3 ft.
Friday
WNW wind 10 to 15 kt becoming SW in the afternoon. Mostly sunny. Seas around 2 ft.
Friday Night
SW wind 10 to 15 kt becoming WNW 5 to 8 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.
Saturday
Variable winds 5 kt or less. A chance of snow after 8am. Seas around 1 ft.
Saturday Night
WSW wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.
Sunday
WNW wind 5 to 10 kt. Partly 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: 42.99°N 70.62°W
Last Update: 12:42 pm EST Dec 3, 2025
Forecast Valid: 1pm EST Dec 3, 2025-6pm EST Dec 9, 2025
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