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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:NNW wind around 15 kt becoming NNE in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. Seas around 2 ft.

      High: 54 °F

      NNW 15kt
      2ft

    • Tuesday Night

      Tuesday Night:NE wind 10 to 15 kt. Isolated showers before 11pm.   Seas 1 to 2 ft.

      Low: 47 °F

      NE 15kt
      1-2ft

    • Wednesday

      Wednesday:NE wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 1 to 2 ft.

      High: 52 °F

      NE 15kt
      1-2ft

    • Wednesday Night

      Wednesday Night:E wind 10 to 15 kt. A chance of showers after 2am.   Seas 1 to 2 ft.

      Low: 47 °F

      E 15kt
      1-2ft

    • Thursday

      Thursday:E wind around 20 kt, with gusts as high as 30 kt. Rain, mainly after 2pm.   Seas around 2 ft.

      High: 49 °F

      E 20kt
      2ft

    • Thursday Night

      Thursday Night:NE wind around 20 kt, with gusts as high as 30 kt. Rain.   Seas around 3 ft.

      Low: 47 °F

      NE 20kt
      3ft

    • Friday

      Friday:N wind 15 to 20 kt. Rain likely, mainly before 8am.   Seas 2 to 3 ft.

      High: 50 °F

      N 20kt
      2-3ft

    • Friday Night

      Friday Night:NNW wind around 10 kt becoming W after midnight. A chance of showers.   Seas 2 to 3 ft.

      Low: 47 °F

      NNW 10kt
      2-3ft

    • Saturday

      Saturday:NW wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers.   Seas 1 to 2 ft.

      High: 53 °F

      NW 10kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:32 am EDT May 20, 2025
Forecast Valid: 3am EDT May 20, 2025-6pm EDT May 26, 2025

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Detailed Forecast


Tuesday
NNW wind around 15 kt becoming NNE in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. Seas around 2 ft.
Tuesday Night
NE wind 10 to 15 kt. Isolated showers before 11pm. Seas 1 to 2 ft.
Wednesday
NE wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 1 to 2 ft.
Wednesday Night
E wind 10 to 15 kt. A chance of showers after 2am. Seas 1 to 2 ft.
Thursday
E wind around 20 kt, with gusts as high as 30 kt. Rain, mainly after 2pm. Seas around 2 ft.
Thursday Night
NE wind around 20 kt, with gusts as high as 30 kt. Rain. Seas around 3 ft.
Friday
N wind 15 to 20 kt. Rain likely, mainly before 8am. Seas 2 to 3 ft.
Friday Night
NNW wind around 10 kt becoming W after midnight. A chance of showers. Seas 2 to 3 ft.
Saturday
NW wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers. Seas 1 to 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: 2:32 am EDT May 20, 2025
Forecast Valid: 3am EDT May 20, 2025-6pm EDT May 26, 2025
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