National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Hazardous Weather Conditions

Last Update: 300 PM HST SUN APR 20 2014

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Alenuihaha Channel

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM HST MONDAY...



  • SynopsisA STRONG HIGH WILL PASS NORTH OF THE ISLANDS THROUGH MONDAY... FOLLOWED BY ANOTHER STRONG HIGH ON THURSDAY.
  • Tonight East winds to 30 kt. Wind waves 14 ft. Northwest swell 3 ft in the evening. Isolated showers through the night.
  • Monday East winds to 30 kt. Wind waves 14 ft. Isolated showers in the morning...then scattered showers in the afternoon.
  • Monday Night East winds to 30 kt. Wind waves 13 ft. Isolated showers.
  • Tuesday East winds to 25 kt. Wind waves 13 ft. Isolated showers.
  • Tuesday Night East winds to 25 kt. Wind waves 11 ft. Isolated showers.
  • Wednesday East winds to 25 kt. Wind waves 10 ft. Northwest swell 3 ft. Isolated showers.
  • Wednesday Night East winds to 25 kt. Wind waves 11 ft. Northwest swell 4 ft. Isolated showers in the evening. Scattered showers after midnight.
  • Thursday East winds to 25 kt. Wind waves 11 ft. Northwest swell 4 to 5 ft. Isolated showers.
  • Friday East winds to 25 kt. Wind waves 10 to 11 ft. Northwest swell 4 ft. Isolated showers.



Additional Forecasts and Information

Zone Area Forecast for Alenuihaha Channel