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Gray/Portland, ME Local Forecast Office

13NM S Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Veterans Day

      Veterans Day:WNW wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      High: 52 °F

      WNW 10kt⇓
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Low: 44 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:E wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A chance of rain, mainly after 4pm.   Seas 1 ft or less.

      High: 51 °F

      ⇑E 15kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 40 kt. Rain, mainly after 7pm.   Seas 1 ft or less.

      Low: 40 °F

      ⇑ENE 25kt
      < 1ft

    • Friday

      Friday:NE wind 20 to 25 kt, with gusts as high as 35 kt. Rain.   Seas 1 ft or less.

      High: 46 °F

      NE 25kt
      < 1ft

    • Friday Night

      Friday Night:N wind around 15 kt, with gusts as high as 30 kt. Rain likely, mainly before 9pm.   Seas 1 ft or less.

      Low: 38 °F

      N 15kt
      < 1ft

    • Saturday

      Saturday:NNW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain before 1pm.   Seas 1 ft or less.

      High: 46 °F

      NNW 15kt
      < 1ft

    • Saturday Night

      Saturday Night:NW wind around 10 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 39 °F

      NW 10kt
      < 1ft

    • Sunday

      Sunday:NW wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Seas 1 ft or less.

      High: 48 °F

      NW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:27 am EST Nov 11, 2026
Forecast Valid: 1am EST Nov 11, 2026-6pm EST Nov 17, 2026

View Nearby Observations

Detailed Forecast


Veterans Day
WNW wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Thursday
E wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A chance of rain, mainly after 4pm. Seas 1 ft or less.
Thursday Night
ENE wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 40 kt. Rain, mainly after 7pm. Seas 1 ft or less.
Friday
NE wind 20 to 25 kt, with gusts as high as 35 kt. Rain. Seas 1 ft or less.
Friday Night
N wind around 15 kt, with gusts as high as 30 kt. Rain likely, mainly before 9pm. Seas 1 ft or less.
Saturday
NNW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain before 1pm. Seas 1 ft or less.
Saturday Night
NW wind around 10 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
NW wind around 10 kt, with gusts as high as 20 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: 42.83°N 70.81°W
Last Update: 1:27 am EST Nov 11, 2026
Forecast Valid: 1am EST Nov 11, 2026-6pm EST Nov 17, 2026
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