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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. A chance of showers, mainly before 5pm. Seas around 1 ft.

      High: 40 °F

      Light Wind
      1ft

    • Tonight

      Tonight:NNW wind around 10 kt, with gusts as high as 25 kt. A chance of rain showers, possibly mixing with snow after 7pm, then gradually ending. Seas around 2 ft.

      Low: 27 °F

      NNW 10kt
      2ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.

      High: 39 °F

      Light Wind
      1-2ft

    • Wednesday Night

      Wednesday Night:S wind 5 to 10 kt becoming SSW after midnight. Clear. Seas around 2 ft.

      Low: 33 °F

      S 10kt
      2ft

    • Thursday

      Thursday:SSW wind 5 to 8 kt becoming SSE 7 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 46 °F

      ⇑SSE 10kt
      1-2ft

    • Thursday Night

      Thursday Night:S wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Seas 2 to 3 ft.

      Low: 37 °F

      S 10kt
      2-3ft

    • Friday

      Friday:SSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      High: 56 °F

      S 10kt
      1-2ft

    • Friday Night

      Friday Night:S wind 5 to 10 kt becoming SW after midnight. A chance of showers. Seas around 3 ft.

      Low: 46 °F

      S 10kt
      3ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Mostly sunny. Seas around 4 ft.

      High: 55 °F

      Light Wind
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:31 am EDT Apr 7, 2026
Forecast Valid: 2pm EDT Apr 7, 2026-6pm EDT Apr 13, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. A chance of showers, mainly before 5pm. Seas around 1 ft.
Tonight
NNW wind around 10 kt, with gusts as high as 25 kt. A chance of rain showers, possibly mixing with snow after 7pm, then gradually ending. Seas around 2 ft.
Wednesday
Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.
Wednesday Night
S wind 5 to 10 kt becoming SSW after midnight. Clear. Seas around 2 ft.
Thursday
SSW wind 5 to 8 kt becoming SSE 7 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Thursday Night
S wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Seas 2 to 3 ft.
Friday
SSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Friday Night
S wind 5 to 10 kt becoming SW after midnight. A chance of showers. Seas around 3 ft.
Saturday
Variable winds 5 kt or less. Mostly sunny. Seas around 4 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: 42.98°N 70.74°W
Last Update: 6:31 am EDT Apr 7, 2026
Forecast Valid: 2pm EDT Apr 7, 2026-6pm EDT Apr 13, 2026
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