Wintry Weather Across the Northern Tier of the U.S.; Fire Weather Concerns in California

Wintry weather is expected from the Northern Plains to Upper Great Lakes with periods of snow and freezing rain. Another system will bring more snow to the Northern Rockies and Northern Plains Wednesday night into Thursday. Meanwhile, fire weather and air quality concerns persist for portions of the Western U.S., including California. Temperatures will run above normal over much of the East.

Last Update: 910 AM PDT Tue Oct 20 2020

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12NM N San Francisco CA

Marine Zone Forecast

Synopsis: PZZ500-210515- 910 AM PDT Tue Oct 20 2020 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Northwest winds will increase to gales across the northern outer coastal waters tonight and continue through late Wednesday night and Thursday morning. Small craft advisory winds will steadily develop to the south across the coastal waters through mid-week. These winds will generate steep fresh swell resulting in hazardous seas conditions. Mixed seas will persist with a moderate northwest swell and longer period southerly swell. $$

SW winds around 5 kt, increasing to 5 to 15 kt this afternoon.
SW winds 5 to 15 kt.
SW winds 5 to 15 kt.
Wed Night
SW winds around 5 kt.
NE winds up to 10 kt.
Thu Night
N winds around 5 kt.
W winds up to 10 kt.
W winds 5 to 10 kt.
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Last Update: 910 AM PDT Tue Oct 20 2020
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