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"The waves had no backs to them" is perhaps an indication that the waves were being steepened by the EAC.
The average reported wave direction of 60 degrees and wave height of 9.4m (which is presumably during the worst conditions encountered) compares reasonably well to the 67 degrees and 8.5m SWH from the wave model.
Assuming a Rayleigh distribution of wave heights, one might expect a maximum
wave 1.91 times the SWH every 1500 waves. Assuming peak period of 9 seconds,
this would therefore be encountered on average every 3.75 hours. Most of the
fleet reported that they endured the most severe conditions for at least 4 hours,
so according to the wave model, it would not be unusual for individual waves of
over 15 m to be encountered. In fact, the average maximum wave height
reported by the fleet was 14m.
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