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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers and thunderstorms between 7pm and 8pm.  Patchy dense fog.  Seas around 1 ft.

      Low: 61 °F

      Light Wind
      1ft

    • Friday

      Friday:Variable winds 5 kt or less. A slight chance of showers before 9am.  Areas of dense fog before 3pm.  Seas around 1 ft.

      High: 66 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A slight chance of showers and thunderstorms between 10pm and midnight, then a chance of showers after midnight.  Patchy dense fog after 7pm.  Seas around 1 ft.

      Low: 59 °F

      Light Wind
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Patchy fog before 8am.  Seas around 1 ft.

      High: 71 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 60 °F

      Light Wind
      1ft

    • Sunday

      Sunday:SSE wind 5 to 10 kt increasing to 10 to 15 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 69 °F

      ⇑SSE 15kt
      1-2ft

    • Sunday Night

      Sunday Night:SSW wind 15 to 20 kt. Showers likely, mainly after 11pm.   Seas around 3 ft.

      Low: 62 °F

      SSW 20kt
      3ft

    • Monday

      Monday:W wind 5 to 10 kt. A chance of showers.   Seas 1 to 2 ft.

      High: 69 °F

      W 10kt
      1-2ft

    • Monday Night

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

      Low: 60 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:32 pm EDT Jun 11, 2026
Forecast Valid: 5pm EDT Jun 11, 2026-6pm EDT Jun 18, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. A slight chance of showers and thunderstorms between 7pm and 8pm. Patchy dense fog. Seas around 1 ft.
Friday
Variable winds 5 kt or less. A slight chance of showers before 9am. Areas of dense fog before 3pm. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. A slight chance of showers and thunderstorms between 10pm and midnight, then a chance of showers after midnight. Patchy dense fog after 7pm. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Patchy fog before 8am. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Sunday
SSE wind 5 to 10 kt increasing to 10 to 15 kt. Mostly sunny. Seas 1 to 2 ft.
Sunday Night
SSW wind 15 to 20 kt. Showers likely, mainly after 11pm. Seas around 3 ft.
Monday
W wind 5 to 10 kt. A chance of showers. Seas 1 to 2 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. 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: 42.99°N 70.62°W
Last Update: 2:32 pm EDT Jun 11, 2026
Forecast Valid: 5pm EDT Jun 11, 2026-6pm EDT Jun 18, 2026
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