Significant Wave Height

May 11, 18:00 UTC (Hour 0)
May 12, 00:00 UTC (Hour 6)
May 12, 06:00 UTC (Hour 12)
May 12, 18:00 UTC (Hour 24)
May 13, 06:00 UTC (Hour 36)
May 13, 18:00 UTC (Hour 48)