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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind 5 to 10 kt, with gusts as high as 20 kt. Rain likely, mainly after 4am.   Seas around 2 ft.

      Low: 36 °F

      NE 10kt
      2ft

    • Thursday

      Thursday:ENE wind around 15 kt. Rain likely, mainly before noon.   Seas 2 to 3 ft.

      High: 37 °F

      ENE 15kt
      2-3ft

    • Thursday Night

      Thursday Night:E wind 5 to 10 kt. A chance of rain, mainly after 11pm.   Seas around 3 ft.

      Low: 37 °F

      E 10kt
      3ft

    • Friday

      Friday:SE wind 5 to 10 kt becoming S in the afternoon. A chance of rain before 10am.   Seas around 3 ft.

      High: 56 °F

      S 10kt
      3ft

    • Friday Night

      Friday Night:SSW wind around 10 kt becoming WSW after midnight. Partly cloudy. Seas around 3 ft.

      Low: 44 °F

      SW 10kt
      3ft

    • Saturday

      Saturday:NW wind 5 to 8 kt becoming E 10 to 15 kt in the afternoon. Partly sunny. Seas 2 to 3 ft.

      High: 54 °F

      ⇑E 15kt
      2-3ft

    • Saturday Night

      Saturday Night:E wind around 10 kt. A chance of showers after 9pm.   Seas around 3 ft.

      Low: 39 °F

      E 10kt
      3ft

    • Sunday

      Sunday:S wind 10 to 15 kt becoming SSW in the afternoon. Showers.   Seas 3 to 4 ft.

      High: 57 °F

      SSW 15kt
      3-4ft

    • Sunday Night

      Sunday Night:W wind around 10 kt. Showers likely.   Seas 3 to 4 ft.

      Low: 39 °F

      W 10kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:02 pm EDT Apr 1, 2026
Forecast Valid: 10pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026

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Detailed Forecast


Tonight
NE wind 5 to 10 kt, with gusts as high as 20 kt. Rain likely, mainly after 4am. Seas around 2 ft.
Thursday
ENE wind around 15 kt. Rain likely, mainly before noon. Seas 2 to 3 ft.
Thursday Night
E wind 5 to 10 kt. A chance of rain, mainly after 11pm. Seas around 3 ft.
Friday
SE wind 5 to 10 kt becoming S in the afternoon. A chance of rain before 10am. Seas around 3 ft.
Friday Night
SSW wind around 10 kt becoming WSW after midnight. Partly cloudy. Seas around 3 ft.
Saturday
NW wind 5 to 8 kt becoming E 10 to 15 kt in the afternoon. Partly sunny. Seas 2 to 3 ft.
Saturday Night
E wind around 10 kt. A chance of showers after 9pm. Seas around 3 ft.
Sunday
S wind 10 to 15 kt becoming SSW in the afternoon. Showers. Seas 3 to 4 ft.
Sunday Night
W wind around 10 kt. Showers likely. Seas 3 to 4 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: 7:02 pm EDT Apr 1, 2026
Forecast Valid: 10pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026
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