The meteorology, climatology, and geophysics agency (bmkg) has urged the public to beware of maximum hot weather, thunderstorms, and tidal floods across parts of indonesia on saturday. Bmkg weather forecaster miftah ali noted potential light to heavy rain in numerous cities, alongside temperatures up to 33 degrees celsius. Additionally, the seed of tropical cyclone fina has been detected in northern australian waters.
On saturday, november 22, 2025, bmkg forecasts light rain over cities including padang, medan, banda aceh, jambi, bengkulu, palembang, pangkal pinang, serang, bandung, semarang, yogyakarta, surabaya, denpasar, mataram, manado, gorontalo, palu, mamuju, kendari, ternate, ambon, sorong, manokwari, nabire, jayawijaya, and jayapura. Moderate rain is possible in jakarta, tanjung selor, palangka raya, and makassar, while heavy rain is expected in bandar lampung.
Thunderstorms are anticipated in pontianak, samarinda, and merauke, with overcast to foggy conditions in tanjung pinang, pekanbaru, and kupang. Maximum hot temperatures up to 33 degrees celsius are forecast for denpasar, mataram, kupang, pontianak, samarinda, tanjung selor, palangka raya, and banjarmasin during the afternoon.
Tidal flood potential is detected along the coasts of aceh, north sumatra, jambi, bangka belitung, lampung, banten, north jakarta, west java, east java, bali, ntb, north kalimantan, south kalimantan, west kalimantan, and north sulawesi. For jakarta specifically, all areas are expected to be overcast in the morning, followed by light rain in the afternoon except north jakarta and the thousand islands which remain overcast. In the evening, moderate rain will hit except the thousand islands. At night, rain eases to overcast, with light rain in the thousand islands until midnight.
Light rain intensity is less than 1-5 mm per hour, moderate 5-10 mm per hour. Wind speeds are 4-5 km per hour, up to 12 km per hour in the thousand islands, with temperatures ranging from 25-31 degrees celsius. The seed of tropical cyclone fina in northern australian waters is currently category two with 25 knot winds, predicted to rise to category three in three days, affecting the arafura sea, banda sea, maluku, aru islands, and south papua with wind slowdowns up to 25 knots. Cyclonic circulations are also monitored in the indian ocean south of west java, natuna sea, pacific ocean north of papua, lampung waters, east kalimantan, central papua, parts of sumatra, and java sea.
