Heavy Rainfall And Severe Weather Potential Continues From The Plains To The Mississippi Valley; Dry Out West

A low pressure system over the Mississippi Valley may yield heavy rainfall and flash flooding concerns through Friday. In addition, the threat for severe thunderstorms capable of damaging winds and large hail will continue. Fire threats remain high across parts of the West with hot and dry conditions expected.
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Last Update: 1144 PM EDT Wed Aug 15 2018

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Synopsis: ANZ100-161745- 1144 PM EDT Wed Aug 15 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A cold front will approach the waters tonight...passing south of the waters by Thursday evening. Low pressure will develop west of the region late Thursday and move overhead Friday night with high pressure building north of the waters for the weekend. $$

Overnight
W winds 5 to 10 kt. Seas around 2 ft.
Thu
W winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 to 2 ft.
Thu Night
E winds around 5 kt, becoming NE after midnight. Seas 1 foot or less, then 1 to 2 ft after midnight.
Fri
E winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 to 2 ft in the morning, then 1 foot or less. A chance of showers in the morning, then showers likely in the afternoon.
Fri Night
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Patchy fog. Vsby 1 to 3 nm.
Sat
W winds 5 to 10 kt, becoming N in the afternoon. Seas 2 to 4 ft. Patchy fog in the morning. Showers likely. Vsby 1 to 3 nm in the morning.
Sat Night
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely in the evening.
Sun
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Sun Night
NE winds 5 to 10 kt. Seas 2 to 4 ft.
Mon
NE winds 5 to 10 kt. Seas 2 to 4 ft.
Mon Night
E winds 5 to 10 kt. Seas 2 to 4 ft.
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ABOUT THIS FORECAST

Last Update: 1144 PM EDT Wed Aug 15 2018
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