Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas.
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Gray/Portland, ME Local Forecast Office

18NM ENE Rockland ME

Marine Point Forecast

[NOTICE]
  • Overnight

    Mostly Cloudy

    Light Wind
    < 1m

    Low: 12 °C

  • Friday

    Mostly Cloudy

    Winds IncreasingS 30km/h
    < 1m

    High: 17 °C

  • Friday
    Night

    Chance Showers

    SSW 35km/h
    < 1m

    Low: 14 °C

  • Saturday

    Mostly Sunny

    W 25km/hWinds Decreasing
    < 1m

    High: 18 °C

  • Saturday
    Night

    Partly Cloudy

    N 10km/h
    < 1m

    Low: 9 °C

  • Sunday

    Mostly Sunny

    WSW 10km/h
    < 1m

    High: 17 °C

  • Sunday
    Night

    Mostly Clear

    Winds IncreasingNNE 20km/h
    < 1m

    Low: 6 °C

  • Monday

    Sunny

    NNE 20km/hWinds Decreasing
    < 1m

    High: 13 °C

  • Monday
    Night

    Mostly Clear

    E 10km/h
    < 1m

    Low: 7 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:28 am EDT Sep 21, 2018
Forecast Valid: 4am EDT Sep 21, 2018-6pm EDT Sep 27, 2018

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Detailed Forecast

...GALE WARNING IN EFFECT FROM NOON EDT TODAY THROUGH SATURDAY

Synopsis: ANZ100-212045- 240 AM EDT Fri Sep 21 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... An increasing south to southwest flow will develop today in advance of an approaching strong cold front. The front will pass across the waters late tonight with north to northwest winds behind the front. High pressure builds across the waters over the weekend allowing winds to diminish and become light. && $$

Overnight
Variable winds 5 km/h or less. Mostly cloudy. Seas 1 m or less.
Friday
SE wind 10 to 15 km/h becoming S 25 to 30 km/h. Winds could gust as high as 55 km/h. Mostly cloudy. Seas 1 m or less.
Friday Night
SSW wind around 35 km/h, with gusts as high as 65 km/h. A chance of showers after 11pm. Seas 1 m or less.
Saturday
W wind 20 to 25 km/h becoming NNW 15 to 20 km/h in the afternoon. Winds could gust as high as 40 km/h. Mostly sunny. Seas 1 m or less.
Saturday Night
N wind 5 to 10 km/h. Partly cloudy. Seas 1 m or less.
Sunday
NW wind 5 to 10 km/h becoming WSW in the afternoon. Mostly sunny. Seas 1 m or less.
Sunday Night
NNW wind 10 to 15 km/h becoming NNE 15 to 20 km/h after midnight. Winds could gust as high as 30 km/h. Mostly clear. Seas 1 m or less.
Monday
NNE wind 15 to 20 km/h becoming E 10 to 15 km/h in the afternoon. Winds could gust as high as 30 km/h. Sunny. Seas 1 m or less.
Monday Night
S wind 5 to 10 km/h becoming E after midnight. Mostly clear. Seas 1 m 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: 44.2°N 68.72°W
Last Update: 2:28 am EDT Sep 21, 2018
Forecast Valid: 4am EDT Sep 21, 2018-6pm EDT Sep 27, 2018
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