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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind 15 to 20 kt. Mostly sunny. Seas around 3 ft.

      High: 41 °F

      WSW 20kt
      3ft

    • Tonight

      Tonight:W wind around 20 kt, with gusts as high as 30 kt. Increasing clouds. Seas around 3 ft.

      Low: 26 °F

      W 20kt
      3ft

    • Friday

      Friday:WSW wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Increasing clouds. Seas around 3 ft.

      High: 31 °F

      ⇑WSW 25kt
      3ft

    • Friday Night

      Friday Night:WNW wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray. Partly cloudy. Seas around 3 ft.

      Low: 8 °F

      WNW 25kt
      3ft

    • Saturday

      Saturday:WNW wind 15 to 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Sunny. Seas 2 to 3 ft.

      High: 15 °F

      WNW 20kt
      2-3ft

    • Saturday Night

      Saturday Night:WNW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Widespread freezing spray. Mostly cloudy. Seas around 2 ft.

      Low: 9 °F

      WNW 15kt⇓
      2ft

    • Sunday

      Sunday:N wind 10 to 13 kt becoming ENE 12 to 15 kt in the afternoon. Snow likely, mainly after 4pm. The snow could be heavy at times.  Widespread freezing spray.  Seas 1 to 2 ft.

      High: 25 °F

      ⇑ENE 15kt
      1-2ft

    • Sunday Night

      Sunday Night:ENE wind 20 to 23 kt increasing to 22 to 25 kt after midnight. Snow. The snow could be heavy at times.  Widespread freezing spray.  Seas 2 to 3 ft.

      Low: 21 °F

      ⇑ENE 25kt
      2-3ft

    • Monday

      Monday:NE wind around 25 kt becoming N in the afternoon. Snow.  Widespread freezing spray.  Seas around 3 ft.

      High: 25 °F

      NE 25kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:04 pm EST Jan 22, 2026
Forecast Valid: 12pm EST Jan 22, 2026-6pm EST Jan 28, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
WSW wind 15 to 20 kt. Mostly sunny. Seas around 3 ft.
Tonight
W wind around 20 kt, with gusts as high as 30 kt. Increasing clouds. Seas around 3 ft.
Friday
WSW wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Increasing clouds. Seas around 3 ft.
Friday Night
WNW wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray. Partly cloudy. Seas around 3 ft.
Saturday
WNW wind 15 to 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Sunny. Seas 2 to 3 ft.
Saturday Night
WNW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Widespread freezing spray. Mostly cloudy. Seas around 2 ft.
Sunday
N wind 10 to 13 kt becoming ENE 12 to 15 kt in the afternoon. Snow likely, mainly after 4pm. The snow could be heavy at times. Widespread freezing spray. Seas 1 to 2 ft.
Sunday Night
ENE wind 20 to 23 kt increasing to 22 to 25 kt after midnight. Snow. The snow could be heavy at times. Widespread freezing spray. Seas 2 to 3 ft.
Monday
NE wind around 25 kt becoming N in the afternoon. Snow. Widespread freezing spray. Seas around 3 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: 42.99°N 70.62°W
Last Update: 12:04 pm EST Jan 22, 2026
Forecast Valid: 12pm EST Jan 22, 2026-6pm EST Jan 28, 2026
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