Heavy Rain and Mountain Snow This Week Northwest To Rockies; Heavy Rain May Bring Flooding to Portions of the East Late Week

At least two storm systems will batter the Pacific Northwest into the northern Rockies this week with heavy rain and mountain snow. The first system may bring as much as two feet of snow to the northern Cascades through Wednesday. This first system will then move over the central US by late week and bring heavy to excessive rain to portions of the south and east Thursday into this weekend.
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Last Update: 404 AM PST Tue Dec 11 2018

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52NM WSW San Francisco CA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

Synopsis: PZZ500-120115- 404 AM PST Tue Dec 11 2018 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Fog in the San Francisco Bay will bring locally reduced visibilities to a quarter-mile or less through the mid-morning hours. North to northwest winds will be gusty over the coastal waters through Tuesday night. Wind speeds will then diminish briefly late Tuesday night before increasing again to moderate levels on Wednesday. Larger moderate period swell will be arriving mid to late week, followed by larger long period swell by early Sunday. $$

Today
NW winds 15 to 20 kt with gusts up to 30 kt. Wind waves 3 to 5 ft. NW swell 6 to 8 ft at 14 seconds.
Tonight
NW winds 15 to 20 kt with gusts up to 30 kt. Wind waves 3 to 5 ft. NW swell around 6 ft at 13 seconds.
Wed
N winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 5 ft. NW swell 6 to 8 ft at 13 seconds.
Wed Night
NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 8 to 12 ft at 16 seconds.
Thu
N winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 12 to 13 ft at 16 seconds.
Thu Night
SW winds 5 to 15 kt with gusts up to 25 kt. Wind waves 2 ft or less. NW swell 11 to 12 ft at 16 seconds.
Fri
SW winds 5 to 15 kt. Wind waves 2 ft or less. NW swell 13 to 16 ft. Rain likely.
Sat
S winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 10 to 13 ft. A chance of rain.
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ABOUT THIS FORECAST

Last Update: 404 AM PST Tue Dec 11 2018
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