Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.
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Last Update: 930 AM HST Mon Dec 18 2017

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Honolulu, HI Local Forecast Office

34NM WNW Hanalei HI

Marine Zone Forecast


Synopsis: PHZ100-190830- 930 AM HST Mon Dec 18 2017 .Synopsis for Hawaiian coastal waters... A weak trough will develop over the eastern end of the island chain later today and tonight as a cold front approaches. The cold front will reach the Kauai waters late Tuesday into Tuesday night, then continue down the island chain through midweek. Another cold front will approach the islands Thursday through Friday. $$

Rest Of Today
Winds variable less than 10 knots. Wind waves 4 feet. Northwest swell 6 feet. Scattered showers.
Tonight
Winds variable less than 10 knots becoming north 10 knots after midnight. Wind waves 4 feet. North swell 8 feet. Scattered showers in the evening, then isolated showers after midnight.
Tuesday
Northeast winds 15 knots. Wind waves 3 feet. North swell 9 feet. Isolated showers in the morning, then scattered showers in the afternoon.
Tuesday Night
North winds 15 knots. Wind waves 4 feet. North swell 9 feet. Scattered showers.
Wednesday
North winds 15 knots. Wind waves 4 feet. North swell 9 feet. Scattered showers.
Wednesday Night
North winds 15 knots. Wind waves 4 feet. North swell 9 feet. Scattered showers.
Thursday
North winds 10 knots. Wind waves 3 to 4 feet. North swell 6 to 8 feet. Scattered showers.
Friday
North winds 10 knots. Wind waves 3 feet. North swell 5 to 7 feet. Scattered showers.
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ABOUT THIS FORECAST

Last Update: 930 AM HST Mon Dec 18 2017
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