Tropical Cyclone Warning Bulletin Here is the latest Tropical Cyclone Warning Bulletin issued by the Hong Kong Observatory. The Strong Wind Signal, No. 3 is in force. This means that winds with mean speeds of 41 to 62 kilometres per hour are expected. At 11 a.m., Severe Tropical Storm Mitag was estimated to be about 140 kilometres east of Hong Kong (near 22.4 degrees north 115.5 degrees east) and is forecast to move northwest at about 12 kilometres per hour towards the coast of eastern Guangdong. Dispatched by Hong Kong Observatory at 10:45 HKT on 19.09.2025