Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest
Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley.
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Last Update: 839 AM PDT Mon Sep 20 2021
For More Weather Information:
19NM W San Francisco CA
Marine Zone Forecast
Synopsis: PZZ500-210415-
839 AM PDT Mon Sep 20 2021
.Synopsis for the Central California Coast and Bays Including
the Monterey Bay...Greater Farallones...and Cordell Bank
National Marine Sanctuaries...
Northwest winds will remain breezy on Monday but continue to
diminish into the evening. Light to locally moderate winds will
prevail into mid week. The next chance for increasing winds over
the outer waters will be late in the week. A weak longer period
southerly swell continues before a longer period northwest swell
arrives mid week.
$$
Today
NW winds 15 to 25 kt. Gusts up to 25 kt this afternoon. Wind waves 8 to 9 ft. Mixed swell W around 2 ft at 13 seconds and S around 2 ft at 15 seconds.
Tonight
NW winds 10 to 15 kt. Wind waves 7 to 8 ft. Mixed swell NW around 2 ft at 12 seconds and S around 2 ft at 15 seconds.
Tue
S winds 10 to 15 kt. Wind waves 6 to 7 ft.
Tue Night
SW winds around 5 kt. Wind waves 4 to 5 ft.
Wed
W winds 5 to 10 kt. Wind waves 4 to 5 ft. Swell SW around 2 ft at 15 seconds.
Wed Night
W winds 5 to 10 kt. Wind waves 6 to 7 ft. Swell S around 2 ft at 14 seconds.
Thu
W winds 5 to 10 kt. Wind waves 6 to 7 ft. Swell S around 2 ft.
Fri
SW winds 5 to 10 kt. Wind waves 3 to 4 ft. Mixed swell W 2 to 4 ft and S around 2 ft. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...seas 5 to 7 ft, with a dominant period of 12 seconds. across the bar...seas 6 to 8 ft, with a dominant period of 12 seconds. Maximum ebb current of 3.1 kt at 05:07 pm monday and 2.5 kt at 05:37 am tuesday.
.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Seas 5 to 7 ft, with a dominant period of 12 seconds. ACROSS THE BAR...Seas 6 to 8 ft, with a dominant period of 12 seconds. Maximum ebb current of 3.1 kt at 05:07 PM Monday and 2.5 kt at 05:37 AM Tuesday.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Last Update: | 839 AM PDT Mon Sep 20 2021 |
| Forecast Discussion | |
RADAR & SATELLITE IMAGES
