A rise in sea level caused by strong winds and low atmospheric pressure during a storm, often associated with typhoons. Synonymous with 高潮 (たかしお).
See also: 高潮 (たかしお)
With the approach of the typhoon, there are concerns about flooding damage from the storm surge.
Compound of 風 (かぜ, 'wind') and 津波 (つなみ, 'tsunami'), literally 'wind tsunami', describing a wind-driven surge of water.