DREAMS (RIAMOM)
Numerical Model.
https://dreams-c1.riam.kyushu-u.ac.jp/vwp/index.html

JODC (Japan Oceanographic Data Center)
JODC data
J-DOSS : JODC Data On-line Service System

JMA (Japan meteorological Agency)
Japan Meteorological Agency
Meteorological Satellite Center
Meteorological Satellite Center (MSC) | HOME
Meteorological Satellites -Japan Meteorological Agency (JMA)-
Ocean Data Buoy Observations
Japan Meteorological Agency | Data of Oceanographic and Marine Meteorological Observation | Ocean Data Buoy Observations

Oceanographic and Marine Meteorological Observations by Research Vessels
Japan Meteorological Agency | Data of Oceanographic and Marine Meteorological Observation | Oceanographic and Marine Meteorological Observations by Research Vessels
1997년부터 2023년의 일본 ship-board observation 자료를 제공함.
자료들은 txt 등의 형태로 제공됨. 내용을 보면, 아래 첨부파일과 같이 자료마다 양식이 정해져 있음. 관측 방식에 따라 아래 포맷도 다르니, 본인이 원하는 포맷을 위 사이트에서 찾아서 참조.
JMA_subsurface_current_format.pdf

Oceanographic Section Time-series Dataset for the 137°E Meridian

気象庁|海洋気象観測 東経137度定線の長期解析結果

State of the ocean climate
Japan Meteorological Agency|State of the ocean climate