橫瀾島
On August 3, when Kammuri was located about southeast of Hong Kong, the HKO issued Standby Signal No. 1, the first such signal for a storm that season. By that time, the outer rainbands had begun affecting the region. Kammuri dropped heavy rainfall in Hong Kong that reached in the town of Kwai Chung, most of which fell after the storm passed the region. The rains caused one landslide and damaged one road. Wind gusts in the city reached , and sustained winds of were reported on Waglan Island. There, a storm surge of was also reported. In nearby Macau, outer rainbands delayed airplane flights, and there was some flooding.