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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:ENE wind around 15 kt, with gusts as high as 25 kt. Showers likely, mainly before 9am.   Seas 1 ft or less.

      High: 39 °F

      ENE 15kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind around 10 kt, with gusts as high as 20 kt. A chance of rain, mainly after 2am.   Seas 1 ft or less.

      Low: 37 °F

      E 10kt
      < 1ft

    • Friday

      Friday:SE wind 5 to 10 kt becoming S in the afternoon. Rain likely, mainly before 8am.   Seas 1 ft or less.

      High: 57 °F

      S 10kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind 10 to 15 kt becoming W after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 1 ft or less.

      Low: 43 °F

      SW 15kt
      < 1ft

    • Saturday

      Saturday:N wind 10 to 15 kt becoming E in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Seas 1 ft or less.

      High: 51 °F

      E 15kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers after 10pm.   Seas 1 ft or less.

      Low: 40 °F

      ESE 15kt
      < 1ft

    • Sunday

      Sunday:SSE wind around 10 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. Showers.   Seas 1 ft or less.

      High: 54 °F

      SSW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind around 10 kt. A chance of showers.   Seas 1 ft or less.

      Low: 40 °F

      W 10kt
      < 1ft

    • Monday

      Monday:W wind around 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 48 °F

      W 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:45 am EDT Apr 2, 2026
Forecast Valid: 4am EDT Apr 2, 2026-6pm EDT Apr 8, 2026

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Detailed Forecast


Thursday
ENE wind around 15 kt, with gusts as high as 25 kt. Showers likely, mainly before 9am. Seas 1 ft or less.
Thursday Night
E wind around 10 kt, with gusts as high as 20 kt. A chance of rain, mainly after 2am. Seas 1 ft or less.
Friday
SE wind 5 to 10 kt becoming S in the afternoon. Rain likely, mainly before 8am. Seas 1 ft or less.
Friday Night
SSW wind 10 to 15 kt becoming W after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 1 ft or less.
Saturday
N wind 10 to 15 kt becoming E in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Seas 1 ft or less.
Saturday Night
ESE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers after 10pm. Seas 1 ft or less.
Sunday
SSE wind around 10 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. Showers. Seas 1 ft or less.
Sunday Night
W wind around 10 kt. A chance of showers. Seas 1 ft or less.
Monday
W wind around 10 kt. Mostly sunny. 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: 2:45 am EDT Apr 2, 2026
Forecast Valid: 4am EDT Apr 2, 2026-6pm EDT Apr 8, 2026
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