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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind around 10 kt. Scattered showers and thunderstorms, then rain and possibly a thunderstorm after 5pm. Some of the storms could be severe.   Seas 1 ft or less.

      High: 76 °F

      S 10kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe.   Seas 1 ft or less.

      Low: 62 °F

      Light Wind
      < 1ft

    • Monday

      Monday:NNW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

      High: 73 °F

      NNW 10kt
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Clear. Seas 1 ft or less.

      Low: 55 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      High: 72 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Low: 57 °F

      Light Wind
      < 1ft

    • Wednesday

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

      High: 74 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Low: 64 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:S wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 81 °F

      S 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:21 am EDT Jul 20, 2025
Forecast Valid: 10am EDT Jul 20, 2025-6pm EDT Jul 26, 2025

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Detailed Forecast


Today
S wind around 10 kt. Scattered showers and thunderstorms, then rain and possibly a thunderstorm after 5pm. Some of the storms could be severe. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe. Seas 1 ft or less.
Monday
NNW wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Clear. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
S wind 5 to 10 kt. Mostly sunny. 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: 6:21 am EDT Jul 20, 2025
Forecast Valid: 10am EDT Jul 20, 2025-6pm EDT Jul 26, 2025
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