Building material stores were crowded with people buying cables and steel wires for reinforcing house and large nylon bags to keep out water and protect spots on roofs.
Noru, one of the strongest storms in 20 years, entered the East Sea early Monday and is on course toward Da Nang and central provinces.
By 7 p.m. Tuesday, it is expected to lay centered 260 km off Da Nang with winds of up to 166 kph. It will move toward central Vietnam and make landfall before weakening into a tropical depression by 7 p.m. Wednesday, according to the National Center for Hydro-Meteorological Forecasting.