Northwest Hawaii 21-Second Forerunners

The Northwest Hawaii buoy @buoy51101 reported 21.1-second Northwest forerunners last night at 11:00 p.m., and has settled into a steady 19-17 second swell period. A 20-second forerunner was reported on the Waimea Bay buoy @buoy51201 at 7:42 a.m.

The swell is forecast to fill throughout the day, and will be biggest this evening.

Updates/