Hazardous seas warning

A Hazardous Seas Warning is issued by the National Weather Service of the United States when wave heights and/or wave steepness values reach certain criteria. These criteria are defined by the local forecast office. Such tall waves can pose a serious threat to vessels that do not seek shelter. ==Example== The following is an example of a Hazardous...
Found on http://en.wikipedia.org/wiki/Hazardous_seas_warning
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