Japanese weather officials say a typhoon now situated over the Pacific just south of Japan will likely approach the country's western and eastern regions.

Meteorological Agency officials say that at noon on Friday, Typhoon Chan-hom was at sea some 250 kilometers south-southeast of Kochi Prefecture.

Officials in Japan are warning about the approach of what might be one of the most powerful typhoons to hit the country in decades. It comes after another powerful storm brought severe weather to the country's southwest.

Typhoon Haishen is building strength over waters to the south of Japan. The powerful storm is expected to approach the southwestern part of the country from Sunday through Monday, with nearly its full force.

Typhoon Haishen is gathering strength over waters south of Japan. The powerful storm is expected to approach the southwestern part of the country between Sunday and Monday.

Japan's Meteorological Agency said the typhoon was moving westward at a speed of about 20 kilometers per hour as of noon Thursday, Japan time.

Typhoon Maysak is expected to approach the northern part of Japan's southern main island of Kyushu toward Wednesday night while maintaining its strength.

Japan's Meteorological Agency says the typhoon was about 210 kilometers southwest of the city of Goto in Nagasaki Prefecture as of 2 p.m. on Wednesday. It was moving north at a speed of 20 kilometers per hour.

Typhoon Maysak is moving northward after lashing Japan's southern prefecture of Okinawa.

Japan's Meteorological Agency says the typhoon was about 220 kilometers north of Kume Island as of 7:00 p.m. Tuesday Japan Time. It was moving north-northeast at a speed of 15 kilometers per hour.

Severe tropical storm Bavi is expected to approach the main island of Okinawa and the Amami region of Kagoshima Prefecture in southern Japan on Monday.

People in the areas are advised to stay vigilant for strong winds, high waves, heavy rain and flooding.