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.
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Last Update: 927 PM HST Tue Oct 20 2020

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Honolulu, HI Local Forecast Office

13NM ESE Waimanalo Beach HI

Marine Zone Forecast


Synopsis: PHZ100-212000- 927 PM HST Tue Oct 20 2020 .Synopsis for Hawaiian coastal waters... A stalled front near Kauai will linger over the western waters the next few days. Surface ridging will remain across the eastern islands and then lift northward with the dissipating front. A weak pressure gradient across the waters late this week will produce light to gentle variable to southeast winds. The lone exception will be over the Big Island's windward waters where the gradient will be tight enough to generate moderate southeasterlies. $$

Rest Of Tonight
East winds 10 knots. Wind waves 3 feet. Swell northeast 3 feet. Scattered showers and slight chance of thunderstorms.
Wednesday
East winds 10 knots. Wind waves 3 feet. Swell northeast 3 feet. Scattered showers and slight chance of thunderstorms in the morning, then isolated showers in the afternoon.
Wednesday Night
East winds 10 knots. Wind waves 3 feet in the evening then 2 feet or less. Swell northeast 3 feet. Isolated showers.
Thursday
East winds 10 knots in the morning becoming variable less than 10 knots. Wind waves 2 feet or less. Swell northeast 3 feet. Isolated showers.
Thursday Night
East winds 10 knots. Wind waves 2 feet or less. Swell northeast 3 feet. Isolated showers in the evening, then scattered showers after midnight.
Friday
Winds variable less than 10 knots. Wind waves 2 feet or less. Scattered showers in the morning, then isolated showers in the afternoon.
Friday Night
East winds 10 knots in the evening becoming variable less than 10 knots. Wind waves 2 feet or less then 3 feet after midnight. Isolated showers.
Saturday
Winds variable less than 10 knots. Wind waves 3 feet. Northwest swell 3 to 4 feet. Isolated showers.
Sunday
Winds variable less than 10 knots. Wind waves 3 feet. Northwest swell 4 to 6 feet and northeast 3 feet. Isolated showers.
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Last Update: 927 PM HST Tue Oct 20 2020
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