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: 940 AM HST SAT APR 19 2014

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Big Island Windward Waters

Marine Zone Forecast

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



  • SynopsisHIGH PRESSURE NORTH OF THE STATE WILL DOMINATE THROUGH THE WEEK AND WILL BE STRONGEST SUNDAY AND MONDAY.
  • Rest Of Today East winds to 25 kt. Wind waves 9 ft. Northwest swell 3 ft late in the morning. Isolated showers late in the morning.
  • Tonight East winds to 25 kt. Wind waves 9 ft. Northwest swell 4 ft. Scattered showers.
  • Sunday East winds to 25 kt. Wind waves 10 ft. Northwest swell 4 ft. Scattered showers.
  • Sunday Night East winds to 25 kt. Wind waves 13 ft. Northwest swell 3 ft in the evening. Scattered showers.
  • Monday East winds to 25 kt. Wind waves 13 ft. Scattered showers.
  • Monday Night East winds 20 kt. Wind waves 9 ft. Scattered showers.
  • Tuesday East winds 20 kt. Wind waves 7 to 9 ft. Scattered showers.
  • Wednesday East winds 15 kt. Wind waves 6 to 7 ft. Northwest swell 3 to 4 ft. Scattered showers.



Additional Forecasts and Information

Zone Area Forecast for Big Island Windward Waters