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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 10 to 15 kt. Mostly cloudy. Seas around 2 ft.

      High: 51 °F

      SW 15kt
      2ft

    • Tonight

      Tonight:S wind around 15 kt, with gusts as high as 25 kt. Rain, mainly before 3am.   Seas around 2 ft.

      Low: 49 °F

      S 15kt
      2ft

    • Wednesday

      Wednesday:S wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. A chance of rain, mainly after 11am.   Seas around 2 ft.

      High: 54 °F

      S 15kt⇓
      2ft

    • Wednesday Night

      Wednesday Night:S wind 10 to 15 kt becoming W 15 to 20 kt after midnight. A chance of rain before 1am.   Seas 2 to 3 ft.

      Low: 43 °F

      ⇑W 20kt
      2-3ft

    • Thanksgiving Day

      Thanksgiving Day:WSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 3 ft.

      High: 46 °F

      WSW 15kt
      3ft

    • Thursday Night

      Thursday Night:WSW wind 15 to 20 kt, with gusts as high as 25 kt. Partly cloudy. Seas 3 to 4 ft.

      Low: 37 °F

      WSW 20kt
      3-4ft

    • Friday

      Friday:WSW wind around 20 kt, with gusts as high as 30 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 41 °F

      WSW 20kt
      3-4ft

    • Friday Night

      Friday Night:W wind around 20 kt, with gusts as high as 30 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 34 °F

      W 20kt
      2-3ft

    • Saturday

      Saturday:WNW wind 15 to 20 kt, with gusts as high as 25 kt. Sunny. Seas around 2 ft.

      High: 38 °F

      WNW 20kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:07 am EST Nov 25, 2025
Forecast Valid: 5am EST Nov 25, 2025-6pm EST Dec 1, 2025

View Nearby Observations

Detailed Forecast


Today
SW wind 10 to 15 kt. Mostly cloudy. Seas around 2 ft.
Tonight
S wind around 15 kt, with gusts as high as 25 kt. Rain, mainly before 3am. Seas around 2 ft.
Wednesday
S wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. A chance of rain, mainly after 11am. Seas around 2 ft.
Wednesday Night
S wind 10 to 15 kt becoming W 15 to 20 kt after midnight. A chance of rain before 1am. Seas 2 to 3 ft.
Thanksgiving Day
WSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 3 ft.
Thursday Night
WSW wind 15 to 20 kt, with gusts as high as 25 kt. Partly cloudy. Seas 3 to 4 ft.
Friday
WSW wind around 20 kt, with gusts as high as 30 kt. Mostly sunny. Seas 3 to 4 ft.
Friday Night
W wind around 20 kt, with gusts as high as 30 kt. Partly cloudy. Seas 2 to 3 ft.
Saturday
WNW wind 15 to 20 kt, with gusts as high as 25 kt. Sunny. 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: 12:07 am EST Nov 25, 2025
Forecast Valid: 5am EST Nov 25, 2025-6pm EST Dec 1, 2025
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