Typhoon Shanshan slowly moved northward off the Pacific coast of Japan on Thursday after mostly missing Tokyo, with the weather agency now warning of heavy rain and high waves in the eastern and northeastern regions of the country.

But the Meteorological Agency said the storm was no longer a "strong" typhoon as its wind speed had slowed. It is expected to gradually shift course eastward and lose more of its strength.

On Wednesday, the weather agency had warned of possible mudslides and flooding, prompting some municipalities to call on residents to evacuate. But no major damage was reported and there was no widespread disruption to traffic in Tokyo.