When the wind calms and the water surface becomes smooth and glassy. The expression "glass-off" almost always refers to a dying onshore wind. While the surf might get glassy at any time throughout the day, "glass-off" is most often used to describe a late-afternoon condition; the longer version of the phrase is "evening glass-off."...
Portugal, 1971Subscribe to view
Glass-off in San Diego County. Photo: Ron StonerSubscribe to view
Glass-off in San Diego County. Photo: Ron Stoner