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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

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

      High: 68 °F

      Light Wind
      1ft

    • Tonight

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

      Low: 62 °F

      Light Wind
      1ft

    • Monday

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

      High: 66 °F

      Light Wind
      1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of showers after 10pm.   Seas around 1 ft.

      Low: 61 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:ENE wind 10 to 15 kt. Showers likely, mainly between 9am and 2pm.   Seas around 2 ft.

      High: 64 °F

      ENE 15kt
      2ft

    • Tuesday Night

      Tuesday Night:NNE wind around 10 kt. A chance of showers.   Seas around 2 ft.

      Low: 60 °F

      NNE 10kt
      2ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

      High: 67 °F

      Light Wind
      2ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.

      Low: 63 °F

      Light Wind
      1-2ft

    • Thursday

      Thursday:SW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      High: 76 °F

      S 10kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:30 am EDT Jul 5, 2026
Forecast Valid: 6am EDT Jul 5, 2026-6pm EDT Jul 11, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Cloudy. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. A chance of showers after 10pm. Seas around 1 ft.
Tuesday
ENE wind 10 to 15 kt. Showers likely, mainly between 9am and 2pm. Seas around 2 ft.
Tuesday Night
NNE wind around 10 kt. A chance of showers. Seas around 2 ft.
Wednesday
Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.
Thursday
SW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 to 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: 42.99°N 70.62°W
Last Update: 2:30 am EDT Jul 5, 2026
Forecast Valid: 6am EDT Jul 5, 2026-6pm EDT Jul 11, 2026
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