Fleet Numerical Weather Central (FNWC) wave period and height analyses for a selected grid point were verified by comparison with wave conditions recorded by a coastal wave sensor at San Clemente Island, California. Forty-six per cent of the FNWC wave heights were within plus or minus 1 foot of the recorded heights, 75% were within plus or minus 2 feet, and 91% were within plus or minus 4 feet. The FNWC heights were found to be over-six per cent of the FNWC periods were within plus or minus 1 second of the recorded periods, 45% were within plus or minus 2 seconds, 66% were within plus or minus 4 seconds, and 90% were within plus or minus 6 seconds. There was no tendency for FNWC to over or underpredict swell periods, but wind-wave periods were under predicted on the average by five seconds. (Author).

This report is directed toward potential applications of Fleet Numerical Weather Central spectral ocean wave products to coastal engineering. It deals specifically with formatting and properties of climatological wave data derived from synoptic spectral, wave information and speculates on the shoal water transformation of these deep-water data.

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