The Korean Hydrographic Ocean Agency maily provides observations data about the ocean. Data is available on the Korean sea about :
Oceanographic Observation :
- Tidal observation
- Water Temperature/Salinity Observation
- Tidal Bench Mark Surveys
- Sea Parting Surveys
- Types and Methods
- Current hydrographic surveys and plans
- Coastline Survey
- Coastal Waters Survey
Address: 351 Haeyang-ro, Dongsam 1(il)-dong, Busan, South Korea.
More information on their website.