 The next day, Tina continued intensify, becoming a Category 4 hurricane on the Saffir-Simpson hurricane scale.Late on September 29, the storm"s pressure had fallen to 944 mbar and winds had increased to 145 mph (230 km/h) while Tina was located away from the Mexican coast.Overnight on September 30, Tina peaked with winds of 150 mph (240 km/h) and a pressure of 930 mbar.