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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:N wind 15 to 20 kt. Widespread freezing spray before 3pm. Mostly cloudy. Seas 1 to 2 ft.

      High: 27 °F

      N 20kt
      1-2ft

    • Sunday Night

      Sunday Night:NW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Widespread freezing spray after 9pm. Mostly cloudy. Seas 3 to 4 ft.

      Low: 14 °F

      NW 15kt⇓
      3-4ft

    • Monday

      Monday:WNW wind 5 to 10 kt. Widespread freezing spray before 11am. Sunny. Seas 5 to 6 ft.

      High: 30 °F

      WNW 10kt
      5-6ft

    • Monday Night

      Monday Night:NW wind 5 to 10 kt. Mostly clear. Seas 5 to 6 ft.

      Low: 13 °F

      NW 10kt
      5-6ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Widespread freezing spray before 8am. Sunny. Seas 5 ft subsiding to 3 ft.

      High: 30 °F

      Light Wind
      5ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.

      Low: 16 °F

      Light Wind
      2-3ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Widespread freezing spray before 8am. Mostly sunny. Seas around 2 ft.

      High: 31 °F

      Light Wind
      2ft

    • Wednesday Night

      Wednesday Night:NW wind around 10 kt. Mostly clear. Seas around 1 ft.

      Low: 15 °F

      NW 10kt
      1ft

    • Thursday

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

      High: 29 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:59 am EST Feb 1, 2026
Forecast Valid: 1am EST Feb 1, 2026-6pm EST Feb 7, 2026

View Nearby Observations

Detailed Forecast


Sunday
N wind 15 to 20 kt. Widespread freezing spray before 3pm. Mostly cloudy. Seas 1 to 2 ft.
Sunday Night
NW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Widespread freezing spray after 9pm. Mostly cloudy. Seas 3 to 4 ft.
Monday
WNW wind 5 to 10 kt. Widespread freezing spray before 11am. Sunny. Seas 5 to 6 ft.
Monday Night
NW wind 5 to 10 kt. Mostly clear. Seas 5 to 6 ft.
Tuesday
Variable winds 5 kt or less. Widespread freezing spray before 8am. Sunny. Seas 5 ft subsiding to 3 ft.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.
Wednesday
Variable winds 5 kt or less. Widespread freezing spray before 8am. Mostly sunny. Seas around 2 ft.
Wednesday Night
NW wind around 10 kt. Mostly clear. Seas around 1 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: 12:59 am EST Feb 1, 2026
Forecast Valid: 1am EST Feb 1, 2026-6pm EST Feb 7, 2026
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