Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Last Update: 839 PM PST Sat Jan 20 2018

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Medford, OR Local Forecast Office

13NM SSW Port Orford OR

Marine Zone Forecast

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

Synopsis: A strong front will move through the waters Sunday morning. Storm force winds are expected north of Gold Beach early Sunday morning and gales are expected elsewhere late Saturday night into Sunday afternoon. Seas will build Sunday night, peaking at 20 to 23 feet Monday morning. Conditions will show some improvement into Monday as the low moves eastward. Eventually, conditions will deteriorate when the next front approaches Wednesday evening.

Tonight
S wind 15 to 25 kt...rising to 30 kt late tonight. Within 5 nm of brookings southward, S wind 10 to 20 kt...rising to 15 to 25 kt late tonight. Wind waves 3 to 6 ft...building to 7 to 10 ft after midnight. W swell 11 to 12 ft at 12 seconds... Subsiding to 9 to 10 ft at 12 seconds after midnight. Chance of rain.
Sun
S gales 35 kt...rising to gales 40 kt in the morning, then...becoming S gales 40 kt early in the afternoon...becoming W 30 kt late in the afternoon. Within 5 nm of brookings southward, S wind 30 kt...becoming W 15 to 25 kt late in the afternoon. Wind waves 11 to 14 ft... Subsiding to 6 to 9 ft in the afternoon. W swell 9 to 10 ft at 13 seconds...building to 15 to 16 ft at 14 seconds in the afternoon. Rain.
Sun Night
W wind 5 to 10 kt...backing to S after midnight. Wind waves 3 to 4 ft. W swell 13 to 16 ft at 15 seconds. Chance of showers.
Mon
S wind 5 to 10 kt. Wind waves 2 ft or less. W swell 11 to 14 ft. Slight chance of showers through the day.
Mon Night
Northern portion, S wind 5 kt...rising to 15 kt after midnight. Brookings southward, wind variable less than 5 kt...becoming SE 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 11 ft...subsiding to 9 to 10 ft after midnight.
Tue
S wind 15 to 20 kt except S 10 to 15 kt within 5 nm of brookings southward. Wind waves 3 to 6 ft... Building to 5 to 8 ft in the afternoon. W swell 8 ft... Subsiding to 5 to 6 ft in the afternoon. Rain.
Tue Night
S wind 20 to 25 kt...becoming SE 15 to 20 kt after midnight. Within 5 nm of brookings southward, SE wind 15 kt. Wind waves 5 to 8 ft. W swell 4 to 5 ft. Rain.
Wed
S wind 20 kt...veering to SW. Wind waves 6 to 7 ft... Subsiding to 4 ft after midnight. W swell 6 ft...building to 10 ft.
Thu
SW wind 15 kt...veering to W in the evening, then... Backing to SW after midnight. Wind waves 3 ft...becoming 2 ft or less. W swell 14 to 15 ft.
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ABOUT THIS FORECAST

Last Update: 839 PM PST Sat Jan 20 2018
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