Cyclone Yaku was an unusual low-pressure system in the far Southeastern Pacific that impacted Ecuador and northern Peru in early March 2023.

They also reported that moderate to heavy rainfall would develop on Peru's northern coast and highlands from 9 to 11 March[9] and that the cyclone would not become a hurricane.

[14] According to Michael Linthon, the director of Oceanography and Marine Meteorology at the Instituto Oceanográfico de la Armada del Ecuador [es] (INOCAR), the effects of climate change on oceans contributed towards the occurrence of Cyclone Yaku.

[16] Settlements along the desert coast of Peru often do not have drainage systems, and even small amounts of precipitation prove problematic for affected areas.

[18] Cyclone Yaku brought extreme rainfall conditions to the departments of Tumbes, Piura, and Lambayeque.

On 8 March, rainfall was reported in the departments of Tumbes, Piura, Lambayeque, La Libertad, Ancash, and Lima.

[7] In the early morning hours of 15 March, some residents of Lurigancho-Chosica were evacuated due to the risk of huaicos.

[22] The government of Dina Boluarte received criticism from international media and television celebrities,[23] who claimed that its response to the natural disasters that hit the country was either slow or nonexistent.