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: 317 AM HST Mon Sep 20 2021

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Honolulu, HI Local Forecast Office

14NM NE Kahuku HI

Marine Zone Forecast


Synopsis: PHZ100-210215- 317 AM HST Mon Sep 20 2021 .Synopsis for Hawaiian coastal waters... A surface ridge far north of the islands will be nearly stationary and change little through Friday. $$

Today
East winds 15 knots. Wind waves 6 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Tonight
East winds 20 knots. Wind waves 5 feet. Northwest swell 3 feet after midnight. Isolated showers in the evening, then scattered showers after midnight.
Tuesday
East winds 20 knots. Wind waves 5 feet. Northwest swell 3 feet. Scattered showers.
Tuesday Night
East winds 15 knots. Wind waves 5 feet. Northwest swell 5 feet. Scattered showers.
Wednesday
East winds 20 knots. Wind waves 5 feet. Northwest swell 4 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Wednesday Night
East winds 20 knots. Wind waves 6 feet. North swell 4 feet. Scattered showers.
Thursday
East winds 20 knots. Wind waves 6 feet. North swell 3 to 4 feet. Scattered showers.
Friday
East winds 20 knots. Wind waves 6 feet. Northwest swell 3 to 5 feet. Scattered showers.
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Last Update: 317 AM HST Mon Sep 20 2021
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