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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Juneteenth

      Juneteenth:W wind around 10 kt. Mostly sunny. Seas around 2 ft.

      High: 75 °F

      W 10kt
      2ft

    • Tonight

      Tonight:WSW wind around 10 kt. Mostly clear. Seas around 2 ft.

      Low: 61 °F

      WSW 10kt
      2ft

    • Saturday

      Saturday:WNW wind around 10 kt. A slight chance of showers after 1pm.   Seas 1 to 2 ft.

      High: 73 °F

      WNW 10kt
      1-2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

      Low: 59 °F

      Light Wind
      1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Showers likely, mainly after 5pm.   Seas around 1 ft.

      High: 73 °F

      Light Wind
      1ft

    • Sunday Night

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

      Low: 59 °F

      Light Wind
      1ft

    • Monday

      Monday:Variable winds 5 kt or less. Showers likely, mainly after 3pm.   Seas around 1 ft.

      High: 70 °F

      ⇑Light Wind
      1ft

    • Monday Night

      Monday Night:SE wind around 10 kt. Showers.   Seas 2 to 3 ft.

      Low: 60 °F

      SE 10kt
      2-3ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Showers likely.   Seas around 2 ft.

      High: 76 °F

      Light Wind
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:17 pm EDT Jun 19, 2026
Forecast Valid: 2pm EDT Jun 19, 2026-6pm EDT Jun 25, 2026

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Detailed Forecast


Juneteenth
W wind around 10 kt. Mostly sunny. Seas around 2 ft.
Tonight
WSW wind around 10 kt. Mostly clear. Seas around 2 ft.
Saturday
WNW wind around 10 kt. A slight chance of showers after 1pm. Seas 1 to 2 ft.
Saturday Night
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Showers likely, mainly after 5pm. 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. Showers likely, mainly after 3pm. Seas around 1 ft.
Monday Night
SE wind around 10 kt. Showers. Seas 2 to 3 ft.
Tuesday
Variable winds 5 kt or less. Showers likely. Seas around 2 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: 2:17 pm EDT Jun 19, 2026
Forecast Valid: 2pm EDT Jun 19, 2026-6pm EDT Jun 25, 2026
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