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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSW wind 10 to 15 kt. A chance of rain and snow before 11am, then rain likely.   Seas 2 to 3 ft.

      High: 39 °F

      SSW 15kt
      2-3ft

    • Tonight

      Tonight:WSW wind 10 to 15 kt. A chance of rain, mainly before 7pm.   Seas 2 to 3 ft.

      Low: 32 °F

      WSW 15kt
      2-3ft

    • Sunday

      Sunday:WSW wind 5 to 10 kt. A chance of snow, mainly after 7am.   Seas around 2 ft.

      High: 38 °F

      WSW 10kt
      2ft

    • Sunday Night

      Sunday Night:WNW wind 5 to 10 kt. A chance of snow before 2am.   Seas around 2 ft.

      Low: 29 °F

      WNW 10kt
      2ft

    • M.L.King Day

      M.L.King Day:W wind 10 to 15 kt becoming WSW 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 35 °F

      ⇑WSW 20kt
      2-3ft

    • Monday Night

      Monday Night:W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray after 4am. Partly cloudy. Seas 3 to 4 ft.

      Low: 22 °F

      W 20kt
      3-4ft

    • Tuesday

      Tuesday:W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly sunny. Seas around 3 ft.

      High: 26 °F

      W 20kt
      3ft

    • Tuesday Night

      Tuesday Night:W wind around 20 kt, with gusts as high as 30 kt. Mostly clear. Seas around 3 ft.

      Low: 19 °F

      W 20kt
      3ft

    • Wednesday

      Wednesday:SW wind 15 to 20 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 33 °F

      SW 20kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:15 am EST Jan 17, 2026
Forecast Valid: 6am EST Jan 17, 2026-6pm EST Jan 23, 2026

View Nearby Observations

Detailed Forecast


Today
SSW wind 10 to 15 kt. A chance of rain and snow before 11am, then rain likely. Seas 2 to 3 ft.
Tonight
WSW wind 10 to 15 kt. A chance of rain, mainly before 7pm. Seas 2 to 3 ft.
Sunday
WSW wind 5 to 10 kt. A chance of snow, mainly after 7am. Seas around 2 ft.
Sunday Night
WNW wind 5 to 10 kt. A chance of snow before 2am. Seas around 2 ft.
M.L.King Day
W wind 10 to 15 kt becoming WSW 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas 2 to 3 ft.
Monday Night
W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray after 4am. Partly cloudy. Seas 3 to 4 ft.
Tuesday
W wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly sunny. Seas around 3 ft.
Tuesday Night
W wind around 20 kt, with gusts as high as 30 kt. Mostly clear. Seas around 3 ft.
Wednesday
SW wind 15 to 20 kt. Mostly sunny. Seas 2 to 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: 6:15 am EST Jan 17, 2026
Forecast Valid: 6am EST Jan 17, 2026-6pm EST Jan 23, 2026
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