As of early Saturday, Champi had maximum sustained winds of 112km/h and was moving west at 24kph, slowing from 38kph on Friday. Forecasters expect the storm to intensify into a Category 3 typhoon, with sustained winds of 177-to-209km/h before reaching the Marianas.
Guam and Rota remain under Typhoon Warnings, while Tropical Storm Warnings and Typhoon Watches remain in effect for Saipan and Tinian. Flood Watches, Coastal Flood Watches, and High Surf Warnings are also in effect across the islands.
Guam is expected to bear the brunt of Champi, with peak winds of 168-to-193km/h and gusts reaching 249km/h Sunday morning. The island could receive 12 to 20 inches of rainfall, with surf reaching 35 feet and coastal inundation of five to seven feet.
Governor Lourdes Leon Guerrero placed Guam under Condition of Readiness 2 at 1pm Friday, urging residents to secure their homes and prepare emergency supplies. "Protecting the lives and safety of our people remains our highest priority," the governor said.