http://www.weather.gov.hk/wxinfo/currwx/tc1.htm

"According to the present forecast track, the gales related to Usagi will depart from Pearl River Estuary and the vicinity later this morning. If the local winds weaken to below gale force, the Observatory will consider issue the Strong Wind Signal No. 3 at or before 10 a.m. The public should stay tuned for the latest information on Usagi."