BEIJING - Typhoon Muifa is likely to make landfall over China's coastal Shandong province next Monday, according to the latest forecast of China's National Marine Environmental Forecasting Center Saturday afternoon.

Dark clouds cover the financial district of Shanghai August 6, 2011, as typhoon Muifa approaches the Chinese province of Zhejiang. [Photo/Agencies]

Muifa was located over the East China Sea, 310 kilometers from Zhoushan City of Zhejiang province at 3 pm Saturday.

The center forecasted that Muifa would move northwest at a speed of 15 km per hour.

Also according to the forecast, Muifa would affect waters off Jiangsu, Shandong, Hebei and Liaoning provinces in the coming 36 hours.

The center issued a red alert for sea waves on Saturday morning as the  powerful Typhoon Muifa is sweeping across the southeastern part of the East China Sea.

The red alert is the highest alert in the four-level high wave warning system.

Waves of 10.5 meters high have been observed in the East China Sea, according to a statement issued by the forecasting center on Saturday morning.

The East China Sea will see waves of 6 to 9 meters high from Saturday night to Sunday, waters off Shanghai and Zhejiang will see waves of 4 to 6 meters high, and waters off Jiangsu and southern Zhejiang Province will also see waves of 3 to 5 meters high, according to latest forecast.

Muifa, the ninth typhoon to hit China this year, swirled into the East China Sea around 10 pm on Friday, according to the statement.

The center is continuing its yellow alert for the storm, warning local authorities and the public to take precautions and intensify safety checks on fishing facilities.

The yellow alert is the second-lowest alert level in the country's four-level rainstorm alert system.

A woman stands as strong winds blow along the Bund near the Huangpu River in Shanghai August 6, 2011. [Photo/Agencies]