Severe Storms And Heavy Rain Is Expected In The Central/Southern Plains; Locally Heavy Rain/Scattered Storms In East/South; Poor Air Quality Persists Out West

Late afternoon and evening severe thunderstorms with heavy rainfall is expected from the Front Range of the Central/Southern Rockies into the High Plains. Meanwhile in the East and South, a slow moving front will trigger scattered storms with locally heavy rain. Finally, smoke from numerous ongoing wildfires in the West are requiring alerts throughout the region and even into the Upper Midwest.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Mostly Cloudy

    NE 15kt
    2-3ft

    Low: 63 °F

  • Sunday

    Partly Sunny

    NE 20kt
    4ft

    High: 71 °F

  • Sunday
    Night

    Mostly Cloudy

    E 10kt
    3-4ft

    Low: 62 °F

  • Monday

    Partly Sunny

    NE 10kt
    3ft

    High: 70 °F

  • Monday
    Night

    Partly Cloudy

    Light Wind
    3ft

    Low: 63 °F

  • Tuesday

    Mostly Sunny

    E 10kt
    2-3ft

    High: 71 °F

  • Tuesday
    Night

    Chance Showers

    S 10kt
    2-3ft

    Low: 66 °F

  • Wednesday

    Showers Likely

    S 15kt
    3-4ft

    High: 73 °F

  • Wednesday
    Night

    Partly Cloudy

    W 10kt
    3-4ft

    Low: 64 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:08 pm EDT Aug 18, 2018
Forecast Valid: 9pm EDT Aug 18, 2018-6pm EDT Aug 25, 2018

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Detailed Forecast


Synopsis: ANZ100-191200- 550 PM EDT Sat Aug 18 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure will build in from the northeast tonight through Sunday night and will hold over the region through Tuesday. Low pressure will track east through southern Quebec Tuesday night and Wednesday and will drive a trailing cold front through the region Wednesday evening. High pressure will build in from the west Thursday and Friday. $$

Tonight
NE wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 2 to 3 ft.
Sunday
NE wind 15 to 20 kt. Partly sunny. Seas around 4 ft.
Sunday Night
E wind around 10 kt becoming NE after midnight. Mostly cloudy. Seas 3 to 4 ft.
Monday
NE wind around 10 kt becoming E in the afternoon. Partly sunny. Seas around 3 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Tuesday
ENE wind 5 to 10 kt becoming ESE in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
S wind around 10 kt. A chance of showers. Seas 2 to 3 ft.
Wednesday
S wind 10 to 15 kt. Showers likely and possibly a thunderstorm. Seas 3 to 4 ft.
Wednesday Night
SW wind around 10 kt becoming WNW after midnight. Partly cloudy. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

*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: 43.18°N 70.24°W
Last Update: 8:08 pm EDT Aug 18, 2018
Forecast Valid: 9pm EDT Aug 18, 2018-6pm EDT Aug 25, 2018
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