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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Widespread freezing spray before noon. Sunny. Seas around 2 ft.

      High: 28 °F

      Light Wind
      2ft

    • Tonight

      Tonight:SW wind 5 to 10 kt. Widespread freezing spray after 1am. Mostly clear. Seas around 2 ft.

      Low: 18 °F

      SW 10kt
      2ft

    • Tuesday

      Tuesday:SSW wind around 10 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.  Widespread freezing spray before 8am.  Seas 2 to 3 ft.

      High: 38 °F

      SSW 10kt
      2-3ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Rain and snow likely before 8pm, then rain.   Seas around 2 ft.

      Low: 33 °F

      Light Wind
      2ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A chance of rain before 7am.   Seas 2 to 3 ft.

      High: 46 °F

      Light Wind
      2-3ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.

      Low: 35 °F

      Light Wind
      2-3ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of rain.   Seas around 2 ft.

      High: 42 °F

      Light Wind
      2ft

    • Thursday Night

      Thursday Night:ENE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. A chance of rain before 9pm, then rain and snow likely.   Seas 2 to 3 ft.

      Low: 34 °F

      ⇑ENE 10kt
      2-3ft

    • Friday

      Friday:ENE wind 10 to 15 kt. Rain and snow likely before 4pm, then a chance of rain.   Seas 4 to 5 ft.

      High: 38 °F

      ENE 15kt
      4-5ft


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: 9am EST Mar 2, 2026-6pm EDT Mar 8, 2026

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Detailed Forecast


Today
Variable winds 5 kt or less. Widespread freezing spray before noon. Sunny. Seas around 2 ft.
Tonight
SW wind 5 to 10 kt. Widespread freezing spray after 1am. Mostly clear. Seas around 2 ft.
Tuesday
SSW wind around 10 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. Widespread freezing spray before 8am. Seas 2 to 3 ft.
Tuesday Night
Variable winds 5 kt or less. Rain and snow likely before 8pm, then rain. Seas around 2 ft.
Wednesday
Variable winds 5 kt or less. A chance of rain before 7am. Seas 2 to 3 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.
Thursday
Variable winds 5 kt or less. A chance of rain. Seas around 2 ft.
Thursday Night
ENE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. A chance of rain before 9pm, then rain and snow likely. Seas 2 to 3 ft.
Friday
ENE wind 10 to 15 kt. Rain and snow likely before 4pm, then a chance of rain. Seas 4 to 5 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: 6:25 am EST Mar 2, 2026
Forecast Valid: 9am EST Mar 2, 2026-6pm EDT Mar 8, 2026
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