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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]

    • Tonight

      Tonight:NE wind 5 to 10 kt becoming N after midnight. Mostly cloudy. Seas 1 ft or less.

      Low: 53 °F

      NNE 10kt
      < 1ft

    • Friday

      Friday:NE wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 1 ft or less.

      High: 62 °F

      NE 20kt
      < 1ft

    • Friday Night

      Friday Night:NNE wind 20 to 23 kt increasing to 22 to 25 kt after midnight. Winds could gust as high as 40 kt. A chance of rain, mainly after 9pm. Seas 1 ft or less.

      Low: 56 °F

      ⇑NNE 25kt
      < 1ft

    • Saturday

      Saturday:NNE wind 20 to 25 kt, with gusts as high as 35 kt. Rain, mainly after 10am. Seas 1 ft or less.

      High: 59 °F

      NNE 25kt
      < 1ft

    • Saturday Night

      Saturday Night:NNE wind around 25 kt, with gusts as high as 35 kt. Rain. Seas 1 ft or less.

      Low: 56 °F

      NNE 25kt
      < 1ft

    • Sunday

      Sunday:NNE wind around 25 kt, with gusts as high as 35 kt. Rain, with thunderstorms also possible after 2pm. Seas 1 ft or less.

      High: 59 °F

      NNE 25kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind around 20 kt, with gusts as high as 35 kt. Rain and possibly a thunderstorm. Seas 1 ft or less.

      Low: 54 °F

      NE 20kt
      < 1ft

    • Monday

      Monday:NNE wind 15 to 20 kt, with gusts as high as 30 kt. Rain. Seas 1 ft or less.

      High: 60 °F

      NNE 20kt
      < 1ft

    • Monday Night

      Monday Night:N wind around 10 kt. Showers likely. Seas 1 ft or less.

      Low: 54 °F

      N 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:46 pm EDT Sep 24, 2026
Forecast Valid: 9pm EDT Sep 24, 2026-6pm EDT Oct 1, 2026

View Nearby Observations

Detailed Forecast


Tonight
NE wind 5 to 10 kt becoming N after midnight. Mostly cloudy. Seas 1 ft or less.
Friday
NE wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 1 ft or less.
Friday Night
NNE wind 20 to 23 kt increasing to 22 to 25 kt after midnight. Winds could gust as high as 40 kt. A chance of rain, mainly after 9pm. Seas 1 ft or less.
Saturday
NNE wind 20 to 25 kt, with gusts as high as 35 kt. Rain, mainly after 10am. Seas 1 ft or less.
Saturday Night
NNE wind around 25 kt, with gusts as high as 35 kt. Rain. Seas 1 ft or less.
Sunday
NNE wind around 25 kt, with gusts as high as 35 kt. Rain, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Sunday Night
NE wind around 20 kt, with gusts as high as 35 kt. Rain and possibly a thunderstorm. Seas 1 ft or less.
Monday
NNE wind 15 to 20 kt, with gusts as high as 30 kt. Rain. Seas 1 ft or less.
Monday Night
N wind around 10 kt. Showers likely. 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: 6:46 pm EDT Sep 24, 2026
Forecast Valid: 9pm EDT Sep 24, 2026-6pm EDT Oct 1, 2026
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