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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:Variable winds 5 kt or less. Scattered showers and thunderstorms.   Seas 1 ft or less.

      High: 73 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 11pm, then isolated showers after 11pm.   Seas 1 ft or less.

      Low: 66 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.

      High: 80 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Patchy fog after 3am.  Seas 1 ft or less.

      Low: 67 °F

      Light Wind
      < 1ft

    • Wednesday

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

      High: 82 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Patchy fog.  Seas 1 ft or less.

      Low: 70 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm.  Patchy fog before 10am.  Seas 1 ft or less.

      High: 81 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm.  Patchy fog.  Seas 1 ft or less.

      Low: 70 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of showers.  Patchy fog before 10am.  Seas 1 ft or less.

      High: 80 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:50 pm EDT Jul 14, 2025
Forecast Valid: 5pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025

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Detailed Forecast


Late Afternoon
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 11pm, then isolated showers after 11pm. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Patchy fog after 3am. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Patchy fog. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Patchy fog. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. A chance of showers. Patchy fog before 10am. Seas 1 ft or less.

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: 43.25°N 70.58°W
Last Update: 1:50 pm EDT Jul 14, 2025
Forecast Valid: 5pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
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