Tropical Cyclone Warning Bulletin Here is the latest Tropical Cyclone Warning Bulletin issued by the Hong Kong Observatory. The Standby Signal, No. 1 was issued at 7:40 p.m. This means that a tropical cyclone now centred within about 800 kilometres of Hong Kong may affect us. At 8 p.m., Severe Tropical Storm Matmo was estimated to be about 770 kilometres southeast of Hong Kong (near 17.4 degrees north 119.4 degrees east) and is forecast to move west-northwest at about 25 kilometres per hour across the central and northern parts of the South China Sea and intensify gradually. Matmo is expected to maintain a distance of about 500 kilometres or more from Hong Kong tonight (3 October) and tomorrow morning (4 October). The Standby Signal, No. 1 will remain in force until noon tomorrow. According to the present forecast, Matmo will intensify progressively and edge closer to the vicinity of Leizhou Peninsula and the eastern part of Hainan Island. Local winds will strengthen gradually later tomorrow. The Observatory will consider issuing the Strong Wind Signal, No. 3 in the early afternoon tomorrow. Depending on the intensity of Matmo, the distance of its associated gale force winds from the Pearl River Estuary and the change in local wind conditions, the Observatory will then assess the need of issuing higher tropical cyclone warning signals. Locally, it will still be very hot during the day tomorrow. Under the influence of the outer rainbands of Matmo, there will be a few squally showers and thunderstorms later tomorrow and more showers at first on Sunday (5 October). Seas will be rough with swells. Members of the public are advised to stay away from the shoreline and not to engage in water sports. (Precautionary Announcements with No. 1 Signal) 1. Precautions should be taken. Drains should be cleared of obstructions, and windows and doors should be checked. 2. People in areas of exposed to high winds or in low-lying areas should take precautions against strong winds and flooding. 3. Those who have duties during a tropical cyclone should now remain on call. 4. People planning to visit Guangdong, Macau, outlying islands or remote parts of Hong Kong should note that changes in weather may affect your trips. 5. Fishing vessels and low power vessels in open sea should seek shelter as soon as possible and be secured properly with moorings. 6. Listen to radio, watch TV or browse the Hong Kong Observatory's website and mobile app for the latest information on the tropical cyclone. Dispatched by Hong Kong Observatory at 19:45 HKT on 03.10.2025
The Very Hot Weather Warning is now in force. Very hot weather expected in Hong Kong tomorrow. The public should beware of heat stroke. Elderly persons, pregnant women, infants and children, those with chronic illnesses, such as heart disease or high blood pressure, as well as the obese are more vulnerable to heat stroke. Watch out for any symptoms of heat stroke. When engaged in work under hot weather or high-temperature environments, please refer to the Guidance Notes on Prevention of Heat Stroke at Work of the Labour Department and take necessary precautions. When engaged in outdoor activities, drink more water and avoid over exertion. If not feeling well, take a rest in the shade or cooler place as soon as possible. Perform outdoor activities in the morning or late afternoon. During indoor activities, replenish water timely. If there is no air-conditioning, then windows should be kept open and fans be used as far as possible to maintain adequate indoor ventilation. Public facilities with heat sheltering may also be used. Avoid prolonged exposure under sunlight. Light-coloured and air-permeable clothing, a wide-brimmed hat that covers the back of your neck and ultraviolet (UV) blocking sunglasses can reduce the chance of sunburn by solar UV radiation. Choose a broad-spectrum water-resistant sunscreen product with a sun protective factor (SPF) of 30 or higher when doing outdoor activities and apply liberally; reapply every two hours if you need to stay outdoors for a prolonged period, or after swimming, sweating or towelling off. Beware of health and wellbeing of elderly or persons with chronic medical conditions. If you know of them, call or visit them occasionally and check whether their household ventilation and air-conditioning devices function properly. Those more vulnerable to heat stroke should avoid outdoor activities and stay away from hot environment as far as possible. Stay in cool, well-ventilated or air-conditioned places. Dispatched by Hong Kong Observatory at 16:20 HKT on 03.10.2025
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