BMKG has forecasted that strong winds will continue to affect several districts and cities in North Sumatra. Residents are advised to remain vigilant when engaging in outdoor activities. According to data from BBMKG Region I Medan, as of Thursday (June 12, 2025), the wind is positioned over the South China Sea at 16.9°N, 110.9°E (approximately 1680 km northwest of Tarakan). The wind is moving in a northwest direction at a speed of 6 knots (11 km/h), distancing itself from Indonesian territory.
The wind strength is currently at 45 knots (83 km/h). The maximum wind speed of Tropical Cyclone WUTIP is expected to increase over the next 24 hours, although it remains classified as a Category 1 cyclone, moving northwest away from Indonesia, as stated by Martha Manurung, Head of the MCEWS Team at BBMKG Region I, on Wednesday (June 11). Martha noted that Tropical Cyclone WUTIP is indirectly impacting extreme weather conditions and waters in Indonesia, particularly in North Sumatra, from June 11, 2025, at 07:00 WIB to June 12, 2025, at 07:00 WIB.
Several districts still experiencing strong winds in North Sumatra include Medan, Binjai, Deli Serdang, Langkat, Karo, Sergai, and Simalungun. Additionally, areas around Lake Toba, Asahan, Dairi, Pakpak Bharat, Mandailing Natal, North Tapanuli, South Tapanuli, Padang Lawas, and Padang Lawas Utara are also affected.
