Heavy Rainfall And Severe Weather Potential Continues From The Plains To The Mississippi Valley; Dry Out West

A low pressure system over the Mississippi Valley may yield heavy rainfall and flash flooding concerns through Friday. In addition, the threat for severe thunderstorms capable of damaging winds and large hail will continue. Fire threats remain high across parts of the West with hot and dry conditions expected.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Overnight

    Partly Cloudy

    W 10kt
    2ft

    Low: 68 °F

  • Thursday

    Sunny

    WNW 10kt
    1-2ft

    High: 75 °F

  • Thursday
    Night

    Mostly Clear

    Winds IncreasingLight Wind
    1ft

    Low: 64 °F

  • Friday

    Showers Likely

    ESE 10kt
    1ft

    High: 71 °F

  • Friday
    Night

    Showers Likely

    SSW 10kt
    Waves Building3ft

    Low: 66 °F

  • Saturday

    Showers Likely

    W 10kt
    2-3ft

    High: 71 °F

  • Saturday
    Night

    Mostly Cloudy

    NNE 10kt
    2ft

    Low: 62 °F

  • Sunday

    Mostly Sunny

    ENE 15kt
    2-3ft

    High: 68 °F

  • Sunday
    Night

    Partly Cloudy

    Light Wind
    2-3ft

    Low: 62 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:19 am EDT Aug 16, 2018
Forecast Valid: 2am EDT Aug 16, 2018-6pm EDT Aug 22, 2018

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Detailed Forecast


Synopsis: ANZ100-161745- 1144 PM EDT Wed Aug 15 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A cold front will approach the waters tonight...passing south of the waters by Thursday evening. Low pressure will develop west of the region late Thursday and move overhead Friday night with high pressure building north of the waters for the weekend. $$

Overnight
W wind around 10 kt. Partly cloudy. Seas around 2 ft.
Thursday
WNW wind 5 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 to 2 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Friday
ENE wind 5 to 10 kt becoming SE in the afternoon. Showers likely, mainly after 3pm. Seas around 1 ft.
Friday Night
S wind around 10 kt becoming SW after midnight. Showers likely. Patchy fog after 9pm. Seas 1 ft building to 3 ft.
Saturday
W wind 5 to 10 kt becoming NNE in the afternoon. Showers likely. Seas 2 to 3 ft.
Saturday Night
NNE wind around 10 kt. Mostly cloudy. Seas around 2 ft.
Sunday
ENE wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 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: 43.36°N 70.28°W
Last Update: 12:19 am EDT Aug 16, 2018
Forecast Valid: 2am EDT Aug 16, 2018-6pm EDT Aug 22, 2018
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