Heavy Rainfall and Severe Thunderstorms Possible Across the Central U.S.; Hurricane Lane Continues Westward Across the Central Pacific

An area of low pressure moving across the Central U.S. will continue to bring heavy rainfall and flash flooding across parts of that region, along with the threat for severe thunderstorms through this evening. Meanwhile, swells from Hurricane Lane are reaching parts of Hawaii today, with some additional impacts possible later this week, depending on the storm's track.
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Last Update: 1059 AM HST Mon Aug 20 2018

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Honolulu, HI Local Forecast Office

14NM NE Kahuku HI

Marine Zone Forecast


Synopsis: PHZ100-210930- 1059 AM HST Mon Aug 20 2018 .Synopsis for Hawaiian coastal waters... A weak trough west of Kauai will move west and dissipate today while high pressure builds to the distant north. Hurricane Lane, centered near 13.6N 149.1W at 11 AM HST this morning is moving west at 10 kt. Lane is forecast to pass to the south and southwest of all islands this week, potentially bringing dangerously strong winds, rough seas and large swells. A Tropical Storm Watch is now in effect for waters south of the Big Island. $$

Rest Of Today
East winds 20 knots. Wind waves 6 feet. Scattered showers late in the morning.
Tonight
East winds 20 knots. Wind waves 7 feet. Southeast swell 3 feet and north 3 feet after midnight. Isolated showers.
Tuesday
East winds 20 knots. Wind waves 7 feet. Mixed swell southeast 3 feet and north 4 to 5 feet. Isolated showers in the morning, then scattered showers in the afternoon.
Tuesday Night
East winds 20 knots. Wind waves 7 feet. Mixed swell southeast 3 feet and north 5 feet. Scattered showers.
Wednesday
East winds 25 knots. Wind waves 7 feet. Mixed swell southeast 3 feet and north 5 feet. Scattered showers.
Wednesday Night
East winds 25 knots. Wind waves 8 feet. Mixed swell southeast 3 feet and north 4 to 5 feet. Scattered heavy showers in the evening, then frequent heavy showers after midnight.
Thursday
East winds 25 knots. Wind waves 8 feet. Mixed swell southeast 3 feet and north 4 to 5 feet. Frequent heavy showers.
Thursday Night
tropical storm conditions possible. Frequent heavy showers.
Friday
tropical storm conditions possible. Frequent heavy showers.
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Last Update: 1059 AM HST Mon Aug 20 2018
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