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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SE wind 10 to 15 kt, with gusts as high as 25 kt. Rain, mainly before 5pm. Seas 1 ft or less.

      High: 42 °F

      SE 15kt
      < 1ft

    • Tonight

      Tonight:N wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Rain likely, mainly between 10pm and 5am. Seas 1 ft or less.

      Low: 33 °F

      ⇑N 15kt
      < 1ft

    • Monday

      Monday:NNE wind around 15 kt, with gusts as high as 25 kt. A chance of snow, mainly before 2pm. Seas 1 ft or less.

      High: 37 °F

      NNE 15kt
      < 1ft

    • Monday Night

      Monday Night:N wind around 10 kt, with gusts as high as 20 kt. A chance of snow before midnight. Seas 1 ft or less.

      Low: 30 °F

      N 10kt
      < 1ft

    • Tuesday

      Tuesday:NNW wind 5 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

      High: 41 °F

      NNW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Seas 1 ft or less.

      Low: 34 °F

      SW 10kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 1 ft or less.

      High: 47 °F

      SSW 15kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind around 10 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 36 °F

      SW 10kt
      < 1ft

    • Thursday

      Thursday:SW wind 5 to 10 kt becoming S in the morning. A chance of rain. Seas 1 ft or less.

      High: 48 °F

      S 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:43 pm EDT Mar 22, 2026
Forecast Valid: 2pm EDT Mar 22, 2026-6pm EDT Mar 28, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind 10 to 15 kt, with gusts as high as 25 kt. Rain, mainly before 5pm. Seas 1 ft or less.
Tonight
N wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Rain likely, mainly between 10pm and 5am. Seas 1 ft or less.
Monday
NNE wind around 15 kt, with gusts as high as 25 kt. A chance of snow, mainly before 2pm. Seas 1 ft or less.
Monday Night
N wind around 10 kt, with gusts as high as 20 kt. A chance of snow before midnight. Seas 1 ft or less.
Tuesday
NNW wind 5 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
SW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
SSW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 1 ft or less.
Wednesday Night
SW wind around 10 kt. Mostly cloudy. Seas 1 ft or less.
Thursday
SW wind 5 to 10 kt becoming S in the morning. 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.
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ABOUT THIS FORECAST

Point Forecast: 43.02°N 70.73°W
Last Update: 2:43 pm EDT Mar 22, 2026
Forecast Valid: 2pm EDT Mar 22, 2026-6pm EDT Mar 28, 2026
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