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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:WNW wind 10 to 15 kt. Sunny. Seas around 2 ft.

      High: 51 °F

      WNW 15kt
      2ft

    • Sunday Night

      Sunday Night:WNW wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 to 2 ft.

      Low: 45 °F

      WNW 10kt
      1-2ft

    • Monday

      Monday:SSW wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers before 1pm, then a slight chance of showers after 5pm.   Seas 1 to 2 ft.

      High: 57 °F

      ⇑SSW 15kt
      1-2ft

    • Monday Night

      Monday Night:SSW wind around 20 kt becoming W after midnight. Winds could gust as high as 25 kt. Showers likely, mainly before midnight.   Seas 2 to 3 ft.

      Low: 48 °F

      SSW 20kt
      2-3ft

    • Tuesday

      Tuesday:W wind 15 to 20 kt, with gusts as high as 30 kt. Sunny. Seas around 2 ft.

      High: 54 °F

      W 20kt
      2ft

    • Tuesday Night

      Tuesday Night:W wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Seas around 2 ft.

      Low: 46 °F

      W 15kt
      2ft

    • Wednesday

      Wednesday:W wind around 10 kt becoming SW in the afternoon. Partly sunny. Seas around 1 ft.

      High: 54 °F

      W 10kt
      1ft

    • Wednesday Night

      Wednesday Night:SW wind 15 to 20 kt becoming W after midnight. Showers likely.   Seas around 2 ft.

      Low: 46 °F

      W 20kt
      2ft

    • Thursday

      Thursday:NW wind around 20 kt, with gusts as high as 30 kt. A chance of showers.   Seas around 2 ft.

      High: 50 °F

      NW 20kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:40 am EST Nov 2, 2025
Forecast Valid: 3am EST Nov 2, 2025-6pm EST Nov 8, 2025

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Detailed Forecast


Sunday
WNW wind 10 to 15 kt. Sunny. Seas around 2 ft.
Sunday Night
WNW wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 to 2 ft.
Monday
SSW wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers before 1pm, then a slight chance of showers after 5pm. Seas 1 to 2 ft.
Monday Night
SSW wind around 20 kt becoming W after midnight. Winds could gust as high as 25 kt. Showers likely, mainly before midnight. Seas 2 to 3 ft.
Tuesday
W wind 15 to 20 kt, with gusts as high as 30 kt. Sunny. Seas around 2 ft.
Tuesday Night
W wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Seas around 2 ft.
Wednesday
W wind around 10 kt becoming SW in the afternoon. Partly sunny. Seas around 1 ft.
Wednesday Night
SW wind 15 to 20 kt becoming W after midnight. Showers likely. Seas around 2 ft.
Thursday
NW wind around 20 kt, with gusts as high as 30 kt. A chance of showers. 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: 1:40 am EST Nov 2, 2025
Forecast Valid: 3am EST Nov 2, 2025-6pm EST Nov 8, 2025
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