Strong to Severe Thunderstorms, Heavy Rain, And Flash Flooding Across the Midwest

Strong to severe thunderstorms, heavy rain and flooding is possible from the Great Lakes to the south-central Plains, as a strong cold front pushes into the extended area. Meanwhile, well above average temperatures are very likely across the Northeastern quad of the country, including the Northeast, Mid-Atlantic, Great Lakes and Ohio Valley.
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Last Update: 315 AM EDT Sun Sep 22 2019

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast

Synopsis: ANZ100-222115- 315 AM EDT Sun Sep 22 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure shifts east into the Atlantic today with a southwest flow developing over the Gulf of Maine. Winds increase through Monday with a cold front moving through Monday night. High pressure builds in behind the front and crests over the Gulf of Maine on Wednesday. The next front arrives from the northwest Thursday evening. && $$

Today

S winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon. Seas 2 to 3 ft.

Tonight

SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.

Mon

SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft.

Mon Night

SW winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.

Tue

SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers in the morning.

Tue Night

NW winds 5 to 10 kt. Seas 2 to 3 ft.