Japanese weather officials say stormy conditions are expected through Tuesday in most parts of the country. They advise caution for strong winds and heavy rain.

The Meteorological Agency says a low-pressure system and unstable atmospheric conditions are bringing strong winds and rain to many parts of western and eastern Japan.

Japanese weather officials are forecasting stormy weather for the northern Japan on Friday, and advised caution against gusty winds and high waves.

Japan Meteorological Agency officials say two developing low pressure systems are approaching northern Japan. They are expected to merge over the Sea of Okhotsk and gather force Friday night.