The Hokkaido-Southwest-Earthquake occured at 22:17 on July 12th in 1993. It was reported that the magnitude of the earthquake was 7.8, and the hypocenter was N 42 °47' in latitude, E 139°12' in longitude, and 34km in depth. Tsunami caused by the earthquake attacked coast lines all around the Japan Sea Basin.
　This report presents the tsunami profiles observed at the offshore stations of NOWPHAS(Nationwide Ocean Wave information netwerk for Ports and HArbourS). Among the 42 NOWPHAS wave observation offshore stations all around Japan, ultrasonic type wave hight gauges and current meter type wave direction gauges of the following stations caught the tsunami profiles at the water depth of 20 to 50m.
　Hokkaido Coast:Rumoi,Monbetsu
　Honshuu Coast:Fukaura, Noshiro, Akita, Sakata, Niigata, Wajima, Fukui, Hamada, Ainoshima, Mutsuogawara