Excessive Heat From the Midwest to Northeast Today; Heavy Rainfall Threat Increasing Along the western Gulf Coast

Heat Advisories, and in some areas, Excessive Heat Warnings, continue today as hot temperatures and high humidity combine to create dangerous conditions. A slow-moving cold front from the Northeast to the northern Rockies will be the focus for potentially heavy rainfall this week, while tropical moisture moving into the western Gulf Coast will lead to an increased flash flood threat.
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Last Update: 912 AM HST Mon Jun 18 2018

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Honolulu, HI Local Forecast Office

28NM NNE Papaaloa HI

Marine Zone Forecast


Synopsis: PHZ100-190745- 912 AM HST Mon Jun 18 2018 .Synopsis for Hawaiian coastal waters... Weak high pressure north of the islands will bring light easterly winds through today. Starting tonight, a dissipating front will drift south toward the islands and stall just north of the islands. This will cause the winds to weaken Tuesday and Wednesday. High pressure northeast of the islands will return Thursday and strengthen on Friday. $$

Rest Of Today
Northeast winds 10 knots. Wind waves 3 feet. Northwest swell 4 feet. Isolated showers.
Tonight
Northeast winds 10 knots. Wind waves 3 feet. Northwest swell 3 feet. Isolated showers.
Tuesday
East winds 10 knots. Wind waves 3 feet. Northwest swell 3 feet. Haze. Isolated showers.
Tuesday Night
East winds 10 knots. Wind waves 3 feet. Northwest swell 3 feet. Haze. Isolated showers.
Wednesday
East winds 15 knots. Wind waves 3 feet. Northwest swell 3 feet. Haze. Isolated showers.
Wednesday Night
East winds 15 knots. Wind waves 3 feet. Northwest swell 3 feet. Haze. Isolated showers.
Thursday
East winds 20 knots. Wind waves 4 to 5 feet. Northwest swell 3 feet. Haze. Scattered showers.
Friday
East winds 20 knots. Wind waves 6 feet. Scattered showers.
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Last Update: 912 AM HST Mon Jun 18 2018
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