Data and Station Information for JEJU

Station Information

Station ID:	1066
Latitude:	33.5275
Longitude:	126.543056
Coastline code:	620
Station code:	33
Country:	KOREA, REPUBLIC OF
Time span of data:	1964 – 2024
Completeness (%):	99
Date of last update:	20 May 2025

Green Arrow:	Current Station
Yellow Marker:	Neighbouring RLR Station
Red Marker:	Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at JEJU.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at JEJU.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution. NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Jeju 620/033 RLR(1966) is 9.5m below TBM No1

Documentation added 1993-02-26

gauge resited 1988

Documentation added 1993-07-12

Jeju 620/033 RLR(1966) is 9.5m below TBM No1

Documentation added 1997-12-08

Type of tide gauge: OTT float

Documentation added 2010-12-08

Primary benchmark is TBM No.1 3.989m above TGZ.

Documentation added 2012-07-30

Following information received from the data suppliers, KHOA the values for
lat. and long. have been revised.

Data Authority

Korea Hydrographic and Oceanographic Agency (KHOA)
351, Haeyang-ro
Yeongdo-gu
Busan
Republic of Korea

Documentation added 2000-10-11

The National Oceanographic Research Institute of Korea was
formerly (pre late-1990s) the Office of Hydrographic Affairs
(same address).

Documentation added 2018-05-17

KHOA was formerly the National Oceanographic Research Institute

Data

Data Notes

Extracted from Database

JEJU