Scattered Thunderstorms Across the Eastern U.S. Today; Risk for Some Severe Thunderstorms and Flash Flooding

A cold front moving through the eastern U.S. will bring thunderstorms and heavy rainfall to that part of the country today, with localized flash flooding possible from the Northeast to the Deep South. Severe thunderstorms are possible across the Northeast and northern Mid-Atlantic. Out west, windy, dry conditions are keeping fire weather threats elevated.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Today

    Chance Thunderstorms

    S 20kt
    6-7ft

    High: 68 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Heavy Rain

    S 20ktWinds Decreasing
    7ftWaves Subsiding

    Low: 57 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Mostly Sunny

    N 15ktWinds Decreasing
    4-5ft

    High: 63 °F

  • Thursday
    Night

    Mostly Cloudy

    Light Wind
    3ft

    Low: 53 °F

  • Friday

    Mostly Cloudy

    Light Wind
    3ft

    High: 63 °F

  • Friday
    Night

    Partly Cloudy

    Light Wind
    3ft

    Low: 58 °F

  • Saturday

    Mostly Sunny

    W 10kt
    3ft

    High: 65 °F

  • Saturday
    Night

    Mostly Clear

    NW 10kt
    3ft

    Low: 48 °F

  • Sunday

    Sunny

    Light Wind
    3ft

    High: 60 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:29 am EDT Sep 26, 2018
Forecast Valid: 11am EDT Sep 26, 2018-6pm EDT Oct 2, 2018

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Detailed Forecast


Synopsis: ANZ100-270430- 1024 AM EDT Wed Sep 26 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A warm front will lift north of the waters this morning. Low pressure will move northeast through Quebec and drive a trailing cold front through the region tonight. High pressure will build in from the west on Thursday and will hold over the area on Friday. && $$

Today
S wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers, with thunderstorms also possible after 2pm. Patchy fog after noon. Seas 6 to 7 ft.
Tonight
S wind 15 to 20 kt becoming W 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 2am. Some of the storms could produce small hail, gusty winds, and heavy rain. Patchy fog before 2am. Seas 7 ft subsiding to 5 ft.
Thursday
N wind 10 to 15 kt becoming NE 5 to 8 kt in the afternoon. Mostly sunny. Seas 4 to 5 ft.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.
Friday
Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.
Friday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Saturday
W wind around 10 kt. Mostly sunny. Seas around 3 ft.
Saturday Night
NW wind around 10 kt. Mostly clear. Seas around 3 ft.
Sunday
Variable winds 5 kt or less. Sunny. Seas around 3 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: 43.36°N 70.28°W
Last Update: 7:29 am EDT Sep 26, 2018
Forecast Valid: 11am EDT Sep 26, 2018-6pm EDT Oct 2, 2018
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