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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:Variable winds 5 kt or less. Showers, mainly after 2pm.   Seas 1 to 2 ft.

      High: 54 °F

      Light Wind
      1-2ft

    • Sunday Night

      Sunday Night:E wind around 10 kt. Showers.   Seas 2 to 3 ft.

      Low: 50 °F

      E 10kt
      2-3ft

    • Memorial Day

      Memorial Day:Variable winds 5 kt or less. Showers, mainly before 2pm.  Patchy fog before 11am.  Seas around 4 ft.

      High: 64 °F

      Light Wind
      4ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Increasing clouds. Seas 3 to 4 ft.

      Low: 54 °F

      Light Wind
      3-4ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Partly sunny. Seas around 3 ft.

      High: 73 °F

      Light Wind
      3ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

      Low: 59 °F

      Light Wind
      3ft

    • Wednesday

      Wednesday:W wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.

      High: 78 °F

      W 10kt
      2ft

    • Wednesday Night

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

      Low: 55 °F

      Light Wind
      1-2ft

    • Thursday

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

      High: 67 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:24 am EDT May 24, 2026
Forecast Valid: 4am EDT May 24, 2026-6pm EDT May 30, 2026

View Nearby Observations

Detailed Forecast


Sunday
Variable winds 5 kt or less. Showers, mainly after 2pm. Seas 1 to 2 ft.
Sunday Night
E wind around 10 kt. Showers. Seas 2 to 3 ft.
Memorial Day
Variable winds 5 kt or less. Showers, mainly before 2pm. Patchy fog before 11am. Seas around 4 ft.
Monday Night
Variable winds 5 kt or less. Increasing clouds. Seas 3 to 4 ft.
Tuesday
Variable winds 5 kt or less. Partly sunny. Seas around 3 ft.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Wednesday
W wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.
Thursday
Variable winds 5 kt or less. Mostly sunny. 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: 42.98°N 70.74°W
Last Update: 2:24 am EDT May 24, 2026
Forecast Valid: 4am EDT May 24, 2026-6pm EDT May 30, 2026
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