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Tropical storm Wipha, Vietnam's third storm this year, is bringing heavy rain and strong winds from Monday night through Wednesday, mainly in the northeast and central regions. By Monday morning, it was in the northern Gulf of Tonkin, with winds of 75–88 kph and gusts up to 117 kph, expected to intensify to gusts of 150–166 kph before approaching the coasts of Hai Phong and Thanh Hoa.

The storm is forecast to move inland between Thanh Hoa and Nghe An, then weaken over Laos, but will continue influencing rainfall. Northeastern areas like Quang Ninh and the northern delta, including Hanoi, as well as Thanh Hoa and Nghe An, may see 200–350 mm of rain, with some spots exceeding 600 mm. Other northern regions and Ha Tinh could get 100–200 mm, with localized totals over 300 mm.

Rainfall intensity could surpass 150 mm in three hours, raising risks of flooding in lowlands, flash floods, and landslides in mountainous terrain. Rivers in the north and north-central provinces are expected to see flood waves rising three to six meters through Friday. Even after Wipha moves into Laos, rain will persist due to the tropical convergence zone.

Storm Wipha is disrupting air travel in northern Vietnam, forcing major airlines to cancel and reschedule flights. Vietnam Airlines has grounded multiple services from Ho Chi Minh City to Hai Phong and Con Dao on Monday, while Pacific Airlines canceled flights on the same routes and advanced others to land before noon at Cat Bi Airport.

On Tuesday, all flights by Vietnam Airlines Group from Hai Phong will depart only in the afternoon, with further domestic and international disruptions expected. Vietjet Air also canceled eight flights from HCMC to Quang Ninh and Hai Phong on Monday.

Authorities have ordered airports and carriers to implement 24/7 safety measures, inspect infrastructure, and prepare for emergencies. At 7 a.m. Monday, Wipha was 220 km east of Quang Ninh–Hai Phong with winds up to 117 kph, moving west‑southwest. It is expected to hit the northern Gulf of Tonkin by Monday evening, then weaken over the Hai Phong–Thanh Hoa coast by Tuesday night before turning into a tropical depression over Laos. Passengers are urged to monitor airline updates as schedules may change further.