The Foreign and Commonwealth Office (FCO) advise against all travel to the exclusion zones around the Fukushima Dai-ichi nuclear facility identified by the Japanese authorities. See Fukushima
The typhoon season runs from June to December with most activity between July and September. You should monitor the progress of approaching storms. See Typhoons.
There may be some disruption to transport and other infrastructure in the parts of north-eastern Honshu most affected by the 2011 earthquake and tsunami. Check with the local authorities or your travel company before you go.
There is a continuous risk of earthquakes and tsunamis throughout Japan. Latest warnings and advisories are published on the Japan Meteorological Agency website. See Earthquakes and tsunamis
The Japanese government introduced a new residency system for foreign nationals in July 2012. See Local laws and customs
Take out comprehensive travel and medical insurance before you travel.
There is a low threat from terrorism.
The Overseas Business Risk service offers information and advice for British companies operating overseas on how to manage political, economic, and business security-related risks
173,994 British nationals visited Japan in 2012. Most visits are trouble free.