Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region.
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Last Update: 329 AM HST Sat Aug 18 2018

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Honolulu, HI Local Forecast Office

19NM SW Lanai City HI

Marine Zone Forecast


Synopsis: PHZ100-190145- 329 AM HST Sat Aug 18 2018 .Synopsis for Hawaiian coastal waters... A weak trough of low pressure will move through the marine area today and tonight. Light to moderate trade winds will persist today, then increase to moderate and locally strong levels tonight and Sunday as high pressure builds northeast of the island chain. Moderate to strong trade winds are then expected Sunday night through the middle of next week as Hurricane Lane is forecast to pass by to the south of the Big Island. It is still too early to determine exact impacts that Hurricane Lane may have on the coastal waters, so mariners are urged to keep up to date with the latest forecasts. $$

Today
East winds 20 knots. Wind waves 3 feet. Scattered heavy showers.
Tonight
East winds 20 knots. Wind waves 4 feet. Numerous heavy showers in the evening. Isolated thunderstorms through the night. Scattered heavy showers after midnight.
Sunday
East winds 20 knots. Wind waves 4 feet. Scattered heavy showers.
Sunday Night
Northeast winds 20 knots. Wind waves 5 feet. Isolated showers through the night.
Monday
Northeast winds 20 knots. Wind waves 6 feet.
Monday Night
Northeast winds 20 knots. Wind waves 6 feet.
Tuesday
Northeast winds 20 knots. Wind waves 7 feet. Swell north 3 to 4 feet. Scattered showers in the afternoon.
Tuesday Night
East winds 20 knots. Wind waves 7 feet. Swell north 4 feet. Isolated showers after midnight.
Wednesday
East winds 20 knots. Wind waves 7 feet. Swell north 4 feet. Isolated showers in the morning.
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Last Update: 329 AM HST Sat Aug 18 2018
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