This jurisdiction covers the northern waters of the line drawn from Haenamgak (Earth end pagoda, Galdusan, Songji-myeon, Haenam-gun, Jeollanam-do: 34° 17′33.09"N, 126° 31′26.02"E) to 225°.
Tide Station : Daecheongdo, Ganghwa Bridge, Yeongjong Bridge, Incheon, Incheon(Songdo), Yeongheungdo, Ansan, Gulupdo, Daesan, Pyeongtaek, Taean, Anheung, Gyeokryeolbi Islands, Boryeong, Maryang, Eocheongdo, Gunsan outport, Wido, Yeonggwang, Mokpo, Dae heuksan-d
10 October 1963
Opened as the Incheon Branch Office of the Hydrographic Division of the Ministry of Construction and Transportation.
13 February 1970
Relocated to the Maritime Transportation Bureau of the Ministry of Construction and Transportation.
23 March 1979
Reopened as the Incheon Branch Office of the Hydrographic Division of the Ministry of Construction and Transportation.
5 December 1987
Renamed as the Janghang Branch Office.
13 February 1988
Relocated to Incheon from Janghang.
26 November 1994
Renamed as the Janghang Hydrographic Office the Hydrographic Division of the Ministry of Construction and Transportation.
9 August 1996
Renamed as the Janghang Hydrographic and Oceanographic Office of MOF/ KHOA.
1 October 2002
Renamed as the West Sea Hydrographic and Oceanographic Office.
29 February 2008
Reorganized as the West Sea Hydrographic and Oceanographic Office of MLTM/KHOA.
Apr. 28, 2009
Relocated to a new government office building.
Mar. 25, 2013
Belonged to MOF again.
E-mailinfokhoa@korea.kr
Address351, Haeyang-ro, Yeongdo-gu, Busan, Republic of Korea
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