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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:WSW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 71 °F

      WSW 10kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SW wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 61 °F

      SW 10kt
      1-2ft

    • Wednesday

      Wednesday:SW wind around 10 kt becoming S in the afternoon. A slight chance of showers after 5pm.   Seas around 1 ft.

      High: 69 °F

      S 10kt
      1ft

    • Wednesday Night

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

      Low: 60 °F

      S 15kt
      2ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers after 2pm.   Seas around 1 ft.

      High: 67 °F

      Light Wind
      1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers before 11pm.   Seas around 1 ft.

      Low: 58 °F

      Light Wind
      1ft

    • Friday

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

      High: 64 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers.   Seas around 1 ft.

      Low: 58 °F

      Light Wind
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers.   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: 2:24 am EDT Jun 9, 2026
Forecast Valid: 3am EDT Jun 9, 2026-6pm EDT Jun 15, 2026

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Detailed Forecast


Tuesday
WSW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 to 2 ft.
Tuesday Night
SW wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.
Wednesday
SW wind around 10 kt becoming S in the afternoon. A slight chance of showers after 5pm. Seas around 1 ft.
Wednesday Night
S wind 10 to 15 kt. A chance of showers after 1am. Seas around 2 ft.
Thursday
Variable winds 5 kt or less. A chance of showers after 2pm. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. A chance of showers before 11pm. Seas around 1 ft.
Friday
Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. A chance of showers. 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: 2:24 am EDT Jun 9, 2026
Forecast Valid: 3am EDT Jun 9, 2026-6pm EDT Jun 15, 2026
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