The Global Expat Hub
JapanWhere to swim, paddle and cool off in Japan, and how clean the water is.
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BeachesThe best stretches near Tokyo and Osaka, Blue Flag or equivalent ratings, lifeguard seasons and facilities.🏞️
LakesSwimming lakes, water quality reports and lakeside towns.🛶
RiversSafe swimming spots, kayaking and rafting, and rivers to avoid.🧪
Water qualityOfficial bathing-water monitoring, seasonal algae and jellyfish, and whether tap water is drinkable.☀️
SeasonFour distinct seasons; humid summers, cold winters (heavy snow on the Sea of Japan side), cherry-blossom spring and crisp autumn. Okinawa subtropical.⚠️
HazardsCurrents, rips, marine life and flags. Severe-weather risk rating 75/100.Official & reference sources
Starter content generated from the country data model. Replace with sourced, dated copy before launch. Last reviewed: not yet.