Areas Of Locally Heavy Snow And Rain Today

A strong low pressure system over the Great Lakes will produce locally heavy snow and rain, before reaching eastern Canada by tomorrow morning. Heavy snow is expected across the Upper Mississippi Valley and Great Lakes with the arrival of an Arctic air mass, while locally heavy rain is possible along and ahead of the associated cold front over the eastern Ohio Valley and southeastern New England.
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Last Update: 647 PM EST Mon Dec 9 2019

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Gray/Portland, ME Local Forecast Office

27NM NE Gloucester MA

Marine Zone Forecast


...GALE WARNING IN EFFECT UNTIL 4 AM EST TUESDAY...
Synopsis: ANZ100-101400- 647 PM EST Mon Dec 9 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Widespread rain continues tonight as low pressure moves into Quebec. South southwest winds continue to increase overnight with gales and low end storms likely. Winds and seas gradually diminish through Tuesday night. Some light snow is possible over the waters Tuesday night into Wednesday morning before clearing. Thereafter, a potentially potent low pressure system will approach Friday and may affect the waters over the weekend. && $$

Tonight
S winds 20 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. Rain. Patchy fog. Vsby 1 to 3 nm.
Tue
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 9 ft. A chance of showers in the afternoon.
Tue Night
W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. Rain likely in the evening, then rain and snow likely after midnight with vsby 1 to 3 nm.
Wed
NW winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to 5 ft. Snow likely in the morning, then a chance of snow showers in the afternoon. Vsby 1 to 3 nm.
Wed Night
W winds 10 to 20 kt, increasing to 15 to 25 kt after midnight. Seas 3 to 5 ft.
Thu
NW winds 15 to 25 kt, diminishing to 10 to 20 kt in the afternoon. Seas 3 to 5 ft.
Thu Night
NW winds 5 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less.
Fri
S winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Fri Night
SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 nm.
Sat
E winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to 11 ft. Showers likely.
Sat Night
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 11 ft. Showers likely.
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ABOUT THIS FORECAST

Last Update: 647 PM EST Mon Dec 9 2019
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