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: 202 PM PST Mon Dec 9 2019

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Medford, OR Local Forecast Office

34NM W Brookings OR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

Synopsis: Weak high pressure will persist this afternoon before an active pattern returns. South winds will increase tonight and seas will become steep early Tuesday morning ahead of a cold front. The front will be the start of a new series of disturbances. A stronger front with increasing south winds will likely arrive Wednesday while a high and steep long period west swell builds late Wednesday into Friday.

Tonight
S wind 5 to 15 kt...rising to 15 to 20 kt after midnight. Wind waves 2 ft or less...becoming 3 to 4 ft after midnight. NW swell 4 to 6 ft at 14 seconds.
Tue
SE wind 10 to 20 kt. Wind waves 3 to 4 ft. W swell 3 ft at 13 seconds...building to 9 to 10 ft at 13 seconds in the afternoon. Rain.
Tue Night
Northern portion, S wind 5 to 15 kt... Veering to W 5 to 10 kt after midnight, then...becoming 5 kt early in the morning. Southern portion, S wind 15 to 25 kt...veering to SW after midnight, then...becoming W 10 kt early in the morning. Wind waves 3 to 5 ft. Mixed swell W 7 to 8 ft at 12 seconds and W 4 to 5 ft at 15 seconds. Showers.
Wed
SW wind 10 kt...backing to S 15 to 20 kt in the afternoon. Wind waves 3 to 4 ft. W swell 7 to 8 ft. Chance of showers.
Wed Night
S wind 20 to 25 kt northern portion and S 15 to 20 kt southern portion. Wind waves 3 to 6 ft. W swell 9 ft... Building to 10 to 12 ft and W 5 to 7 ft after midnight. Rain.
Thu
S wind 20 to 25 kt...becoming SW 15 kt in the afternoon. Wind waves 6 to 7 ft. W swell 15 to 17 ft. Rain likely.
Thu Night
SW wind 5 to 10 kt. Wind waves 3 to 4 ft in the evening...becoming 2 ft or less. W swell 17 to 18 ft. Chance of rain in the evening, then chance of showers after midnight.
Fri
W wind 5 to 10 kt...veering to NW after midnight. Wind waves 2 ft or less. W swell 15 to 17 ft.
Sat
S wind 5 to 10 kt...veering to W 15 kt in the evening, then...veering to NW after midnight. Wind waves 2 ft or less... Becoming 3 ft. W swell 13 ft... Subsiding to 10 ft.
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ABOUT THIS FORECAST

Last Update: 202 PM PST Mon Dec 9 2019
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