For More Weather Information:

Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      High: 29 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:SW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

      Low: 18 °F

      SW 10kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow before 3pm, then a chance of rain between 3pm and 5pm, then a chance of rain and snow after 5pm.   Seas 1 ft or less.

      High: 38 °F

      SSW 15kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 5 to 10 kt becoming NW after midnight. Rain and snow, becoming all rain after 9pm.   Seas 1 ft or less.

      Low: 33 °F

      SSW 10kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A chance of rain before 7am.   Seas 1 ft or less.

      High: 47 °F

      Light Wind
      < 1ft

    • Wednesday Night

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

      Low: 35 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of rain.   Seas 1 ft or less.

      High: 43 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Winds could gust as high as 20 kt. A chance of rain before 9pm, then rain and snow likely.   Seas 1 ft or less.

      Low: 35 °F

      ⇑ENE 10kt
      < 1ft

    • Friday

      Friday:ENE wind around 10 kt, with gusts as high as 20 kt. Rain and snow likely before 4pm, then a chance of rain.   Seas 1 ft or less.

      High: 39 °F

      ENE 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:25 am EST Mar 2, 2026
Forecast Valid: 7am EST Mar 2, 2026-6pm EDT Mar 8, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tonight
SW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.
Tuesday
SSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow before 3pm, then a chance of rain between 3pm and 5pm, then a chance of rain and snow after 5pm. Seas 1 ft or less.
Tuesday Night
SSW wind 5 to 10 kt becoming NW after midnight. Rain and snow, becoming all rain after 9pm. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. A chance of rain before 7am. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. A chance of rain. Seas 1 ft or less.
Thursday Night
ENE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Winds could gust as high as 20 kt. A chance of rain before 9pm, then rain and snow likely. Seas 1 ft or less.
Friday
ENE wind around 10 kt, with gusts as high as 20 kt. Rain and snow likely before 4pm, then a chance of rain. Seas 1 ft or less.

*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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 43.02°N 70.73°W
Last Update: 6:25 am EST Mar 2, 2026
Forecast Valid: 7am EST Mar 2, 2026-6pm EDT Mar 8, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data