National Weather Service

Seas on all islands remain dangerous, and on Rota, debris and structural damage pose problems. Meanwhile, forecasters are keeping an eye on Invest 97W in the Marshall Islands.

Preliminary data show all four islands had typhoon-force winds.

Forecasters said passage of the eye would take about two hours, and intense winds would resume in the opposite direction.

Rota residents are advised to move to interior rooms of shelters and to stay away from windows.

At 1 a.m. Monday, the system was located at 13.7 north latitude and 146.9 east longitude, about 134 miles east of Andersen Air Force Base. It was packing winds of 180 mph and gusts of 215 mph as it approached the island chain.

Forecasters are advising residents to have supplies in a safe place where they can stay from sundown Sunday to sunrise Tuesday.

Guam, Rota, Tinian and Saipan were placed under a typhoon watch at 2 p.m. Friday, meaning typhoon conditions were possible within 48 hours.

The National Weather Service will issue a typhoon watch for Rota, Tinian and Saipan at 2 p.m. Friday, according to CNMI officials. Guam will be in COR 3 at 3 p.m.

Joint Typhoon Warning Center says Bavi could be a Category 5 storm with 160 mph winds when it passes between Rota and Tinian on Monday.

It could be a Category 4 super typhoon at the time of passage, likely overnight Sunday and Monday morning, according to the Joint Typhoon Warning Center.