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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 10 to 15 kt becoming WNW in the afternoon. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm.   Seas around 2 ft.

      High: 68 °F

      WSW 15kt
      2ft

    • Tonight

      Tonight:N wind 10 to 15 kt. Showers likely, mainly before 8pm.   Seas around 2 ft.

      Low: 55 °F

      N 15kt
      2ft

    • Monday

      Monday:N wind 7 to 10 kt becoming SSE 5 to 8 kt in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 63 °F

      N 10kt⇓
      1-2ft

    • Monday Night

      Monday Night:SSW wind 5 to 10 kt becoming W after midnight. Mostly clear. Seas around 1 ft.

      Low: 57 °F

      SSW 10kt
      1ft

    • Tuesday

      Tuesday:W wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

      High: 65 °F

      S 10kt
      1ft

    • Tuesday Night

      Tuesday Night:SW wind around 10 kt. Partly cloudy. Seas around 1 ft.

      Low: 60 °F

      SW 10kt
      1ft

    • Wednesday

      Wednesday:SW wind 5 to 10 kt becoming S in the afternoon. Partly sunny. Seas around 1 ft.

      High: 69 °F

      S 10kt
      1ft

    • Wednesday Night

      Wednesday Night:S wind around 10 kt becoming SW after midnight. A chance of showers.   Seas around 1 ft.

      Low: 62 °F

      S 10kt
      1ft

    • Thursday

      Thursday:SW wind 5 to 10 kt becoming SSE in the afternoon. A chance of showers.   Seas around 1 ft.

      High: 69 °F

      SW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:33 am EDT Jun 7, 2026
Forecast Valid: 6am EDT Jun 7, 2026-6pm EDT Jun 13, 2026

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Detailed Forecast


Today
WSW wind 10 to 15 kt becoming WNW in the afternoon. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Seas around 2 ft.
Tonight
N wind 10 to 15 kt. Showers likely, mainly before 8pm. Seas around 2 ft.
Monday
N wind 7 to 10 kt becoming SSE 5 to 8 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Monday Night
SSW wind 5 to 10 kt becoming W after midnight. Mostly clear. Seas around 1 ft.
Tuesday
W wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.
Tuesday Night
SW wind around 10 kt. Partly cloudy. Seas around 1 ft.
Wednesday
SW wind 5 to 10 kt becoming S in the afternoon. Partly sunny. Seas around 1 ft.
Wednesday Night
S wind around 10 kt becoming SW after midnight. A chance of showers. Seas around 1 ft.
Thursday
SW wind 5 to 10 kt becoming SSE in the afternoon. A chance of showers. Seas around 1 ft.

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: 42.99°N 70.62°W
Last Update: 6:33 am EDT Jun 7, 2026
Forecast Valid: 6am EDT Jun 7, 2026-6pm EDT Jun 13, 2026
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