Thunderstorms and Heavy Rain for portions of the South and Southeast; Warming Weather on the West Coast

A low pressure system will produce areas of thunderstorms, with locally heavy rain and flash flooding, across the Deep-to-Mid South today; and Southeast tomorrow. Isolated severe storms today could produce damaging winds and tornadoes. A weather system in the Northern Rockies will bring locally heavy snow. Meanwhile, above normal temperatures can be expected this week on the west coast.
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Gray/Portland, ME Local Forecast Office

20NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Clear

    SSW 10kt
    1ft

    Low: 38 °F

  • Monday

    Sunny

    Light Wind
    1ft

    High: 49 °F

  • Monday
    Night

    Clear

    SSW 10kt
    2-3ft

    Low: 40 °F

  • Tuesday

    Sunny

    S 15kt
    2ft

    High: 50 °F

  • Tuesday
    Night

    Chance Showers

    S 15ktWinds Decreasing
    3ft

    Low: 43 °F

  • Wednesday

    Rain

    SE 15kt
    2-3ft

    High: 48 °F

  • Wednesday
    Night

    Showers Likely

    SSE 15kt
    5-6ft

    Low: 44 °F

  • Thursday

    Chance Showers

    SSW 10kt
    6ft

    High: 50 °F

  • Thursday
    Night

    Partly Cloudy

    W 10kt
    5ft

    Low: 44 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:26 pm EDT Apr 22, 2018
Forecast Valid: 8pm EDT Apr 22, 2018-6pm EDT Apr 29, 2018

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Detailed Forecast


Synopsis: ANZ100-231230- 627 PM EDT Sun Apr 22 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure centered over the Great Lakes will build east across the waters through Tuesday before exiting into the maritimes. Low pressure will move north from the Carolinas Wednesday then move into the Gulf of Maine Thursday. $$

Tonight
SSW wind 5 to 10 kt becoming NNW after midnight. Clear. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Monday Night
SSW wind around 10 kt. Clear. Seas 2 to 3 ft.
Tuesday
S wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Seas around 2 ft.
Tuesday Night
S wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. A chance of showers after 3am. Seas around 3 ft.
Wednesday
SE wind 10 to 15 kt. Rain, mainly after 7am. Seas 2 to 3 ft.
Wednesday Night
SSE wind 10 to 15 kt. Showers likely. Seas 5 to 6 ft.
Thursday
SSW wind around 10 kt. A chance of showers. Seas around 6 ft.
Thursday Night
W wind around 10 kt. Partly cloudy. Seas around 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: 43.17°N 70.36°W
Last Update: 7:26 pm EDT Apr 22, 2018
Forecast Valid: 8pm EDT Apr 22, 2018-6pm EDT Apr 29, 2018
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