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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Low: 44 °F

      Light Wind
      2ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Rain, mainly after 11am.   Seas around 2 ft.

      High: 53 °F

      ⇑SSE 10kt
      2ft

    • Saturday Night

      Saturday Night:SSE wind around 10 kt becoming SSW after midnight. Showers likely, mainly before midnight.   Seas around 3 ft.

      Low: 47 °F

      SSE 10kt
      3ft

    • Sunday

      Sunday:SSW wind 5 to 10 kt. A chance of showers after 1pm.   Seas 2 to 3 ft.

      High: 61 °F

      SSW 10kt
      2-3ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Showers likely, mainly after 2am.   Seas around 2 ft.

      Low: 46 °F

      Light Wind
      2ft

    • Monday

      Monday:Variable winds 5 kt or less. Showers.   Seas around 2 ft.

      High: 51 °F

      Light Wind
      2ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of showers before 1am.   Seas around 2 ft.

      Low: 44 °F

      Light Wind
      2ft

    • Tuesday

      Tuesday:NNW wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.

      High: 55 °F

      NNW 10kt
      2ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.

      Low: 43 °F

      Light Wind
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:29 pm EDT May 8, 2026
Forecast Valid: 11pm EDT May 8, 2026-6pm EDT May 15, 2026

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Saturday
Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Rain, mainly after 11am. Seas around 2 ft.
Saturday Night
SSE wind around 10 kt becoming SSW after midnight. Showers likely, mainly before midnight. Seas around 3 ft.
Sunday
SSW wind 5 to 10 kt. A chance of showers after 1pm. Seas 2 to 3 ft.
Sunday Night
Variable winds 5 kt or less. Showers likely, mainly after 2am. Seas around 2 ft.
Monday
Variable winds 5 kt or less. Showers. Seas around 2 ft.
Monday Night
Variable winds 5 kt or less. A chance of showers before 1am. Seas around 2 ft.
Tuesday
NNW wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. 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: 2:29 pm EDT May 8, 2026
Forecast Valid: 11pm EDT May 8, 2026-6pm EDT May 15, 2026
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