Significant Storm Bringing Widespread Winter Weather and Heavy Rainfall Across the Eastern Half of the Country

A storm system moving into the Eastern parts of the country is bringing heavy snow across the Great Lakes and into the Mid-Atlantic and Northeast today. There is also the potential for significant ice accumulations across the northern Mid-Atlantic. To the south, heavy rainfall is producing flash flooding, and river flooding, from the Ohio and Mississippi Valleys to the Deep South.
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Last Update: 1107 AM EST Wed Feb 20 2019

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Synopsis: ANZ100-210615- 1107 AM EST Wed Feb 20 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Low pressure crosses the waters tonight and Thursday with southerly winds shifting to west behind the front. High pressure builds out of the Great Lakes again behind the front, cresting over the Gulf of Maine on Saturday. Low pressure than moves along the Maine coast on Sunday. && $$

This Afternoon
W winds 5 to 10 kt. Seas 1 foot or less.
Tonight
S winds around 10 kt, becoming SE with gusts up to 25 kt after midnight. Seas 1 to 2 ft, building to 2 to 4 ft after midnight. A chance of snow in the evening, then snow and rain after midnight. Vsby 1 to 3 nm, decreasing to variable to less than one quarter nm after midnight.
Thu
SE winds 5 to 15 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Rain likely in the morning with vsby 1 to 3 nm.
Thu Night
W winds 15 to 20 kt, becoming NW 10 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft.
Fri
NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft in the morning, then 1 foot or less.
Fri Night
NW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 3 ft in the evening, then 1 foot or less.
Sat
W winds 5 to 10 kt. Seas around 2 ft.
Sat Night
S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain with a chance of snow.
Sun
SE winds 10 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain.
Sun Night
SW winds 15 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of rain.
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ABOUT THIS FORECAST

Last Update: 1107 AM EST Wed Feb 20 2019
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