The typhoon, which has already made three landfalls, will make a fourth between Zhoushan and Wenling cities in Zhejiang, according to the forecast.
From 8 pm till 8 am Tuesday, the southern part of the Yellow Sea and a large part of the East China Sea will see strong gales. Maximum precipitation in parts of Zhejiang could reach 300 millimeters, the forecast said.
Heavy rain started in coastal areas of Zhejiang on Sunday.
As of 4 pm Sunday, nearly 160,000 million people in coastal cities including Ningbo, Wenzhou and Taizhou in the province had been evacuated, and 30,000 fishing boats returned to port.