Heavy rain, mountain snow and strong winds in the western U.S. this week

The western U.S. will experience active weather yet again this week as significant Pacific moisture brings rain and mountain snow to the region. This heavy rain will bring flood concerns to parts of WA, OR and CA. Very heavy snow is possible in the Sierra, Cascades, Great Basin and parts of the northern Rockies.
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Last Update: 338 AM HST WED JAN 18 2017

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Honolulu, HI Local Forecast Office

21NM S Wailea-Makena HI

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY

Synopsis: A SURFACE RIDGE WILL REMAIN NORTH OF THE STATE TODAY...THEN WEAKEN THURSDAY AND FRIDAY AS A FRONT APPROACHES THE ISLANDS FROM THE NORTHWEST. THE FRONT WILL MOVE DOWN THE ISLAND CHAIN SATURDAY AND SATURDAY NIGHT USHERING IN STRONG AND GUSTY NORTHEAST WINDS AND LARGE ROUGH SEAS. A LARGE NORTHWEST SWELL WILL ARRIVE ACROSS THE COASTAL WATERS LATER TODAY...THEN CONTINUE TONIGHT INTO THURSDAY.

Today
East winds to 25 kt. Wind waves 10 ft. West swell 5 ft increasing to 7 ft in the afternoon. Isolated light showers.
Tonight
East winds 20 kt. Wind waves 8 ft. West swell 10 ft. Isolated light showers.
Thursday
East winds 20 kt. Wind waves 7 ft. West swell 9 ft. Isolated light showers.
Thursday Night
East winds 20 kt. Wind waves 6 ft. West swell 6 ft.
Friday
Northeast winds 10 kt. Wind waves 5 ft. Northwest swell 7 ft. Isolated light showers.
Friday Night
Northeast winds 15 kt. Wind waves 5 ft. Northwest swell 8 ft. Isolated showers.
Saturday
Northeast winds to 25 kt rising to gales to 35 kt. Wind waves 11 to 13 ft. Northwest swell 6 to 8 ft. Scattered showers.
Sunday
East winds to 30 kt. Wind waves 12 to 14 ft. Northwest swell 6 to 8 ft. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 338 AM HST WED JAN 18 2017
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