Heavy precipitation for parts of the Pacific Northwest

Moisture will continue to stream into the Pacific Northwest for the next several days. Heavy rain will continue along the coast, while heavy snow will impact the highest elevations of the Cascades. In the northern Plains and Upper Great Lakes, more arctic air will bring periods of snow, blustery winds and cold wind chills. Light snow is also possible in New England and the Ohio Valley.
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Last Update: 601 PM EST Tue Nov 21 2017

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Gray/Portland, ME Local Forecast Office

20NM ENE Portsmouth NH

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST WEDNESDAY...
Synopsis: ANZ100-221315- 601 PM EST Tue Nov 21 2017 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Southwest flow continues through tonight until a cold front arrives on Wednesday, shifting flow to the north northwest. High pressure builds in behind the front and crests over the waters Thursday night and Friday. $$

Tonight
SW winds 15 to 25 kt with a few gusts up to 35 kt, diminishing to 10 to 20 kt with gusts up to 25 kt after midnight. seas 4 to 6 ft.
Wed
SW winds 5 to 15 kt, becoming NW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Rain.
Wed Night
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
Thu
NW winds 5 to 10 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 3 to 5 ft.
Thu Night
W winds 5 to 15 kt, becoming 10 to 15 kt after midnight. Seas 3 to 5 ft.
Fri
W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft.
Fri Night
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Sat
SW winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Sat Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Sun
NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sun Night
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft.
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ABOUT THIS FORECAST

Last Update: 601 PM EST Tue Nov 21 2017
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