Winter Storm To Impact Parts Of The Midwest To Northern New England

A winter storm will slowly develop over the Ohio Valley through Wednesday before rapidly strengthening while shifting into southeastern Canada Thursday. A band of snow will develop over the Midwest today into Wednesday, with snow shifting to the interior Northeast on Wednesday night and Thursday. Heavy lake effect snow is expected in the eastern Great Lakes snow belts on Thursday and Friday.
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Last Update: 1139 AM EST Tue Feb 25 2020

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON...
Synopsis: ANZ100-260645- 1139 AM EST Tue Feb 25 2020 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Flow turns northeast today as low pressure develops southwest of the region. Easterly onshore winds and seas continue to increase Wednesday into Thursday as a rapidly developing area of low pressure crosses the Gulf of Maine. Gusty offshore winds continue behind the system through the end of the week. && $$

This Afternoon
NE winds 5 to 10 kt. Seas around 2 ft.
Tonight
NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers after midnight.
Wed
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Wed Night
NE winds 15 to 20 kt with gusts up to 30 kt, becoming E 20 to 30 kt with gusts up to 40 kt after midnight. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. A chance of rain in the evening, then rain after midnight. Vsby variable to less than one quarter nm after midnight.
Thu
E winds 20 to 30 kt with gusts up to 40 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 8 to 11 ft. Rain, mainly in the morning with vsby 1 to 3 nm.
Thu Night
W winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 8 ft.
Fri
W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft.
Fri Night
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sat
W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sat Night
NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
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ABOUT THIS FORECAST

Last Update: 1139 AM EST Tue Feb 25 2020
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