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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

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

      Low: 57 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

      High: 67 °F

      Light Wind
      < 1ft

    • Sunday Night

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

      Low: 58 °F

      Light Wind
      < 1ft

    • Monday

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

      High: 71 °F

      Light Wind
      < 1ft

    • Monday Night

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

      Low: 61 °F

      Light Wind
      < 1ft

    • Tuesday

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

      High: 75 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms.   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: 87 °F

      Light Wind
      < 1ft

    • Wednesday Night

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

      Low: 70 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:28 pm EDT Jun 27, 2026
Forecast Valid: 7pm EDT Jun 27, 2026-6pm EDT Jul 4, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Patchy fog. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. 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. Partly cloudy. 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: 43.02°N 70.73°W
Last Update: 2:28 pm EDT Jun 27, 2026
Forecast Valid: 7pm EDT Jun 27, 2026-6pm EDT Jul 4, 2026
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