Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South.
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Last Update: 904 PM EST Fri Jan 18 2019

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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...
...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY MORNING...
Synopsis: ANZ100-191615- 904 PM EST Fri Jan 18 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A fresh cold air mass will move into the region this evening with increasing northwest winds. This sets the stage for a strong storm developing off the East Coast. This will track near the northern New England coastline this weekend bringing the potential for gale or even possibly storm force winds to the waters. Arctic air will move in to start the week. && $$

Rest Of Tonight
W winds 10 to 15 kt, becoming NW 15 to 20 kt. Seas 2 to 4 ft.
Sat
NE winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Light freezing spray in the morning.
Sat Night
NE winds 10 to 20 kt with gusts up to 30 kt, becoming E 20 to 30 kt with gusts up to 40 kt after midnight. Seas 2 to 4 ft, building to 6 to 9 ft after midnight. Snow. Vsby 1 to 3 nm in the evening.
Sun
NE winds 25 to 30 kt, becoming N 20 to 30 kt in the afternoon. Gusts up to 40 kt. Seas 10 to 15 ft. Snow, rain and sleet in the morning, then sleet with snow likely in the afternoon.
Sun Night
NW winds 20 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. A chance of snow. Light freezing spray after midnight.
Mon
NW winds 20 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. A chance of snow in the morning. Moderate freezing spray. Vsby 1 to 3 nm.
Mon Night
NW winds 20 to 25 kt, becoming 15 to 25 kt after midnight. Seas 4 to 6 ft. Moderate freezing spray. Vsby 1 to 3 nm in the evening.
Tue
NW winds 10 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Tue Night
SW winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Wed
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain and snow showers. Vsby 1 to 3 nm.
Wed Night
W winds 10 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain and snow showers. Vsby 1 to 3 nm.
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Last Update: 904 PM EST Fri Jan 18 2019
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