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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind around 10 kt. Sunny. Seas around 2 ft.

      High: 54 °F

      S 10kt
      2ft

    • Tonight

      Tonight:S wind 10 to 15 kt becoming WSW after midnight. A chance of showers, mainly after 1am.   Seas around 3 ft.

      Low: 44 °F

      S 15kt
      3ft

    • Saturday

      Saturday:NW wind around 10 kt. Sunny. Seas around 3 ft.

      High: 50 °F

      NW 10kt
      3ft

    • Saturday Night

      Saturday Night:WNW wind 5 to 10 kt. Mostly clear. Seas around 3 ft.

      Low: 38 °F

      WNW 10kt
      3ft

    • Sunday

      Sunday:NW wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 3 ft.

      High: 48 °F

      SSE 10kt
      3ft

    • Sunday Night

      Sunday Night:S wind around 10 kt. Showers likely, mainly after 11pm.   Seas 3 to 4 ft.

      Low: 41 °F

      S 10kt
      3-4ft

    • Monday

      Monday:SW wind 10 to 15 kt. A chance of showers before 11am, then a chance of showers after 2pm.   Seas 3 to 4 ft.

      High: 60 °F

      SW 15kt
      3-4ft

    • Monday Night

      Monday Night:WSW wind around 10 kt. A chance of showers.   Seas 2 to 3 ft.

      Low: 53 °F

      WSW 10kt
      2-3ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

      High: 62 °F

      Light Wind
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:34 pm EDT Apr 10, 2026
Forecast Valid: 3pm EDT Apr 10, 2026-6pm EDT Apr 17, 2026

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Detailed Forecast


This Afternoon
S wind around 10 kt. Sunny. Seas around 2 ft.
Tonight
S wind 10 to 15 kt becoming WSW after midnight. A chance of showers, mainly after 1am. Seas around 3 ft.
Saturday
NW wind around 10 kt. Sunny. Seas around 3 ft.
Saturday Night
WNW wind 5 to 10 kt. Mostly clear. Seas around 3 ft.
Sunday
NW wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 3 ft.
Sunday Night
S wind around 10 kt. Showers likely, mainly after 11pm. Seas 3 to 4 ft.
Monday
SW wind 10 to 15 kt. A chance of showers before 11am, then a chance of showers after 2pm. Seas 3 to 4 ft.
Monday Night
WSW wind around 10 kt. A chance of showers. Seas 2 to 3 ft.
Tuesday
Variable winds 5 kt or less. Mostly sunny. 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: 2:34 pm EDT Apr 10, 2026
Forecast Valid: 3pm EDT Apr 10, 2026-6pm EDT Apr 17, 2026
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