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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:Variable winds 5 kt or less. Areas of dense fog.  Seas around 1 ft.

      High: 69 °F

      Light Wind
      1ft

    • Saturday Night

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

      Low: 59 °F

      Light Wind
      1ft

    • Sunday

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

      High: 71 °F

      Light Wind
      1ft

    • Sunday Night

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

      Low: 60 °F

      Light Wind
      1ft

    • Monday

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

      High: 74 °F

      Light Wind
      1ft

    • Monday Night

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

      Low: 63 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. A chance of showers and thunderstorms after 3pm.   Seas around 1 ft.

      High: 80 °F

      Light Wind
      1ft

    • Tuesday Night

      Tuesday Night:SW wind 5 to 10 kt. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.   Seas around 1 ft.

      Low: 67 °F

      SW 10kt
      1ft

    • Wednesday

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

      High: 81 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:39 am EDT Jun 27, 2026
Forecast Valid: 4am EDT Jun 27, 2026-6pm EDT Jul 3, 2026

View Nearby Observations

Detailed Forecast


Saturday
Variable winds 5 kt or less. Areas of dense fog. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Patchy fog. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Cloudy, then gradually becoming mostly sunny. Seas around 1 ft.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Tuesday
Variable winds 5 kt or less. A chance of showers and thunderstorms after 3pm. Seas around 1 ft.
Tuesday Night
SW wind 5 to 10 kt. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Seas around 1 ft.
Wednesday
Variable winds 5 kt or less. Mostly sunny. 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: 42.98°N 70.74°W
Last Update: 2:39 am EDT Jun 27, 2026
Forecast Valid: 4am EDT Jun 27, 2026-6pm EDT Jul 3, 2026
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