https://phys.org/news/2018-06-nasa-fragmented-strength-tropical-depression.html

Maximum sustained winds were near 34.5 mph (30 knots/55.5 kph) but the depression is expected to reach tropical storm strength late on June 5. 05W was centered near 19.0 degrees north latitude and 111.5 east longitude. That's approximately 269 nautical miles southwest of Hong Kong. 05W has tracked northward at 12.6 mph (11 knots/20.3 kph).

The China National Meteorological Centre (CMNC) issued blue warning of typhoon at 10:00 a.m. local time on June 5. CNMC noted on June 5: "Heavy rain to rainstorm will hit Hainan Island, southern coast of Guangdong, southeastern Guangxi. Southwestern coast of Guangdong and northern Hainan Island will experience extreme rainstorm. (June 5)."