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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:SSW wind around 10 kt. Showers. Patchy fog after 5pm. Seas around 4 ft.

      High: 52 °F

      SSW 10kt
      4ft

    • Tonight

      Tonight:W wind around 10 kt. Showers likely, mainly before 7pm. Patchy fog before 8pm. Seas around 4 ft.

      Low: 38 °F

      W 10kt
      4ft

    • Monday

      Monday:W wind around 10 kt. Increasing clouds. Seas 2 to 3 ft.

      High: 47 °F

      W 10kt
      2-3ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.

      Low: 34 °F

      Light Wind
      1-2ft

    • Tuesday

      Tuesday:NW wind 5 to 10 kt becoming N in the morning. A chance of snow showers before 11am, then rain showers likely between 11am and 3pm, then a chance of snow showers after 3pm. Seas 1 to 2 ft.

      High: 42 °F

      NNW 10kt
      1-2ft

    • Tuesday Night

      Tuesday Night:NW wind around 10 kt. A chance of snow showers before 8pm. Seas 1 to 2 ft.

      Low: 29 °F

      NW 10kt
      1-2ft

    • Wednesday

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

      High: 43 °F

      Light Wind
      1ft

    • Wednesday Night

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

      Low: 34 °F

      S 10kt
      2ft

    • Thursday

      Thursday:SSW wind 10 to 15 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.

      High: 49 °F

      SSE 15kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:48 pm EDT Apr 5, 2026
Forecast Valid: 3pm EDT Apr 5, 2026-6pm EDT Apr 12, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SSW wind around 10 kt. Showers. Patchy fog after 5pm. Seas around 4 ft.
Tonight
W wind around 10 kt. Showers likely, mainly before 7pm. Patchy fog before 8pm. Seas around 4 ft.
Monday
W wind around 10 kt. Increasing clouds. Seas 2 to 3 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.
Tuesday
NW wind 5 to 10 kt becoming N in the morning. A chance of snow showers before 11am, then rain showers likely between 11am and 3pm, then a chance of snow showers after 3pm. Seas 1 to 2 ft.
Tuesday Night
NW wind around 10 kt. A chance of snow showers before 8pm. Seas 1 to 2 ft.
Wednesday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Wednesday Night
S wind around 10 kt becoming SSW after midnight. Clear. Seas around 2 ft.
Thursday
SSW wind 10 to 15 kt becoming SSE in the afternoon. Sunny. Seas around 2 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: 2:48 pm EDT Apr 5, 2026
Forecast Valid: 3pm EDT Apr 5, 2026-6pm EDT Apr 12, 2026
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