Hard freeze likely over the Deep South, inclement pattern expected over the west coast of the U.S. through the weekend

Very cold temperatures are likely to continue over the Deep South and Southeast U.S. into Thursday. A series of low pressure systems will bring abundant moisture to much of northern California and into the Pacific Northwest through the upcoming weekend. Locally heavy rain and strong winds will be likely along coastal locations, with heavy snow expected from Sierra to the Cascades.

Last Update: 253 AM PST Thu Jan 18 2018

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Medford, OR Local Forecast Office

16NM S Port Orford OR

Marine Zone Forecast

Synopsis: Extremely high and dangerous westerly swell will impact the coastal waters today, then will gradually lower tonight through Friday night, but remain very high and very steep. Moderate southwest winds are expected, but can be gustier in and around showers and isolated thunderstorms. Swell dominated seas diminish slightly Saturday but another strong front will move through with seas becoming very high again late Saturday night into Sunday. High pressure will build Monday with improving conditions between systems into Tuesday morning.

SW wind 15 to 25 kt. Wind waves 6 to 9 ft... Subsiding to 4 to 5 ft. W swell 19 to 22 ft at 18 seconds...building to 24 to 27 ft at 17 seconds. Rain before sunrise, then showers likely. Slight chance of tstms in the afternoon.
SW wind 10 to 20 kt. Wind waves 3 to 5 ft. W swell 23 to 24 ft at 16 seconds...subsiding to 19 to 20 ft at 16 seconds after midnight. Showers and slight chance of tstms.
SW wind 10 to 15 kt. Wind waves 3 to 4 ft. W swell 16 to 18 ft at 14 seconds. Showers.
Fri Night
W wind 5 to 15 kt. Wind waves 3 to 4 ft. W swell 15 to 17 ft. Showers.
W wind 5 to 10 kt...backing to S 10 to 15 kt in the afternoon. Wind waves 3 ft. W swell 14 to 16 ft. Chance of rain.
Sat Night
S wind 15 to 20 kt...rising to 20 to 25 kt after midnight. Wind waves 3 to 5 ft...building to 6 to 8 ft after midnight. W swell 12 ft...subsiding to 10 to 11 ft after midnight. Rain.
S wind 30 kt...rising to gales 35 kt in the afternoon, then...becoming SW 25 kt in the evening... Becoming W 10 kt after midnight. Wind waves 11 to 12 ft... Subsiding to 3 ft. W swell 16 ft.
W wind 10 kt...backing to SE after midnight. Wind waves 3 ft in the morning...becoming 2 ft or less. W swell 12 to 14 ft.
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Last Update: 253 AM PST Thu Jan 18 2018
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