What's New of the Japan Oceanographic Data Center http://www.jodc.go.jp/jodcweb/index.html As the synthetic marine data bank of Japan, the Japan Oceanographic Data Center (JODC) collects and manages the oceanographic data observed by various organizations in Japan, which includes the governmental organizations, universities and the other marine research institutes. Then JODC ensure data quality, and provides various users with such marine data. en Japan Oceanographic Data Center : JODC Tide (Hour Tidal Height) Data was updated. Hourly sea level height data (2021) at tide stations, Organizations related to the Japan Coast Guard. http://www.jodc.go.jp/jodcweb/index.html 2023-12-26 NEAR-GOOS RDMDB was updated. We have added 1min. tide data in September 2023 observed by JCG's tide stations to NEAR-GOOS Regional Delayed Mode Database(RDMDB). http://www.jodc.go.jp/jodcweb/index.html 2023-12-21 NEAR-GOOS RDMDB was updated. We have added 1min. tide data in August 2023 observed by JCG's tide stations to NEAR-GOOS Regional Delayed Mode Database(RDMDB). http://www.jodc.go.jp/jodcweb/index.html 2023-11-01 NEAR-GOOS RDMDB was updated. We have added 1min. tide data in July 2023 observed by JCG's tide stations to NEAR-GOOS Regional Delayed Mode Database(RDMDB). http://www.jodc.go.jp/jodcweb/index.html 2023-10-12 Added serial station data Atmosphere and Ocean Research Institute, The University of Tokyo　(2010） http://www.jodc.go.jp/jodcweb/index.html 2023-10-05