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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:SW wind around 10 kt. A chance of showers.   Seas around 2 ft.

      High: 70 °F

      SW 10kt
      2ft

    • Tonight

      Tonight:W wind 5 to 10 kt. A slight chance of showers before 7pm.   Seas around 2 ft.

      Low: 61 °F

      W 10kt
      2ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.

      High: 68 °F

      Light Wind
      1-2ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Clear. Seas 1 to 2 ft.

      Low: 58 °F

      Light Wind
      1-2ft

    • Friday

      Friday:Variable winds 5 kt or less. Sunny. Seas around 1 ft.

      High: 68 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:SSE wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas around 1 ft.

      Low: 59 °F

      SSE 10kt
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Sunny. Seas around 1 ft.

      High: 67 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

      Low: 61 °F

      Light Wind
      1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.

      High: 66 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:33 pm EDT Jul 22, 2026
Forecast Valid: 5pm EDT Jul 22, 2026-6pm EDT Jul 29, 2026

View Nearby Observations

Detailed Forecast


Late Afternoon
SW wind around 10 kt. A chance of showers. Seas around 2 ft.
Tonight
W wind 5 to 10 kt. A slight chance of showers before 7pm. Seas around 2 ft.
Thursday
Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.
Thursday Night
Variable winds 5 kt or less. Clear. Seas 1 to 2 ft.
Friday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Friday Night
SSE wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. 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: 42.99°N 70.62°W
Last Update: 4:33 pm EDT Jul 22, 2026
Forecast Valid: 5pm EDT Jul 22, 2026-6pm EDT Jul 29, 2026
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