National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
Read More...

Last Update: 912 PM HST THU AUG 28 2014

View Nearby Observations

Big Island Windward Waters

Marine Zone Forecast





  • SynopsisHIGH PRESSURE FAR NORTH OF THE STATE WILL WEAKEN THROUGH SUNDAY. LOW PRESSURE MOVING IN FROM THE EAST PACIFIC WILL MOVE WEST BETWEEN THE HIGH PRESSURE AND HAWAII THROUGH MONDAY...WEAKENING TRADE WINDS. MODERATE EAST AND SOUTH SWELLS WILL CONTINUE THROUGH THE WEEKEND.
  • Rest Of Tonight East winds 10 kt. Wind waves 3 ft late in the evening then 2 ft or less. Mixed swell south 3 ft and east 3 ft. Isolated showers.
  • Friday East winds 10 kt in the morning becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell south 4 ft and east 4 ft. Isolated showers through the day.
  • Friday Night Winds variable less than 10 kt becoming east 10 kt after midnight. Wind waves 2 ft or less. Mixed swell south 4 ft and east 4 ft. Scattered showers.
  • Saturday East winds 10 kt. Wind waves 2 ft or less then 3 ft in the afternoon. Mixed swell south 4 ft and east 4 ft. Isolated showers in the morning.
  • Saturday Night East winds 10 kt. Wind waves 2 ft or less. Mixed swell south 3 ft and east 4 ft. Isolated showers.
  • Sunday Southeast winds 10 kt. Wind waves 3 ft. Mixed swell south 3 ft and east 3 ft. Isolated showers in the morning.
  • Sunday Night East winds 10 kt. Wind waves 2 ft or less. Swell east 3 ft. Isolated showers.
  • Monday East winds 10 kt. Wind waves 3 to 4 ft. Mixed swell south 3 ft and east 3 ft. Scattered showers.
  • Tuesday East winds 15 kt. Wind waves 4 ft. Scattered showers.



Additional Forecasts and Information

Zone Area Forecast for Big Island Windward Waters
Mobile Version