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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:SSW wind 5 to 10 kt becoming E in the afternoon. Scattered showers, with thunderstorms also possible after 2pm.  Patchy fog before 11am, then Patchy fog after 3pm.  Seas 1 to 2 ft.

      High: 76 °F

      SSW 10kt
      1-2ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Scattered showers and thunderstorms, mainly after 9pm.   Seas around 1 ft.

      Low: 65 °F

      Light Wind
      1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Isolated showers, with thunderstorms also possible after 5pm.   Seas around 1 ft.

      High: 68 °F

      Light Wind
      1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Scattered showers after 2am.   Seas around 1 ft.

      Low: 63 °F

      Light Wind
      1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Scattered showers.   Seas around 1 ft.

      High: 67 °F

      Light Wind
      1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Scattered showers before 2am.   Seas around 1 ft.

      Low: 64 °F

      Light Wind
      1ft

    • Friday

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

      High: 70 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

      Low: 64 °F

      Light Wind
      1ft

    • Saturday

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

      High: 72 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:41 am EDT Jul 8, 2025
Forecast Valid: 3am EDT Jul 8, 2025-6pm EDT Jul 14, 2025

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Detailed Forecast


Tuesday
SSW wind 5 to 10 kt becoming E in the afternoon. Scattered showers, with thunderstorms also possible after 2pm. Patchy fog before 11am, then Patchy fog after 3pm. Seas 1 to 2 ft.
Tuesday Night
Variable winds 5 kt or less. Scattered showers and thunderstorms, mainly after 9pm. Seas around 1 ft.
Wednesday
Variable winds 5 kt or less. Isolated showers, with thunderstorms also possible after 5pm. Seas around 1 ft.
Wednesday Night
Variable winds 5 kt or less. Scattered showers after 2am. Seas around 1 ft.
Thursday
Variable winds 5 kt or less. Scattered showers. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Scattered showers before 2am. Seas around 1 ft.
Friday
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.

Winds and seas higher in and near tstms.

*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: 1:41 am EDT Jul 8, 2025
Forecast Valid: 3am EDT Jul 8, 2025-6pm EDT Jul 14, 2025
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