The Australian Government Bureau of Meteorology's marine weather service is what it says.

South China Sea Electronic Navigation Charts - "The East Asia Hydrographic Commission (EAHC) was formed within the framework of the International Hydrographic Organization (IHO). The mission of it is to work out regional cooperative programmes through the endeavors of national hydrographic offices for the provision of adequate and timely hydrographic information for marine navigation in the region. In this respect, the EAHC is very pleased to accomplish this mission by producing small scale official Electronic Navigational Charts (ENC) of the South China Sea to serve the maritime community. Presently, the EAHC has nine Member States (MSs) : China, Democratic People's Republic of Korea, Indonesia, Japan, Republic of Korea, Malaysia, Philippines, Singapore and Thailand."