1min. interval sea level data at JCG's tide station

Last Updated : January 29, 2023

File name and Format

1. File name

YYYY_MM.1min_TIDEST

YYYY : Year
MM : Month(01-12)
TIDEST : Tide Station Name
Tide Station Name Lat., Long. (Deg-Min-Sec)
Awashima 38-27-54N, 139-15-30E
Chiba 35-33-53N, 140-02-56E
Hachijojima 33-07-36N, 139-48-28E
Hakata 33-36-56N, 130-24-36E
Hiroshima 34-20-59N, 132-28-02E
Izuhara 34-11-40N, 129-17-38E
Kamaishi 39-16-14N, 141-53-34E
Kouzushima 34-12-18N, 139-08-12E
Kure 34-14-14N, 132-33-10E
Miyakejima 34-03-50N, 139-29-02E
Nakanoshima 29-50-18N, 129-51-00E
Naze 28-22-54N, 129-29-50E
Nishinoomote 30-43-53N, 130-59-40E
Odomari 31-01-12N, 130-41-29E
Oita 33-15-46N, 131-41-21E
Sasebo 33-09-16N, 129-43-35E
Tappi 41-14-24N, 140-23-06E
Tokuyama 34-02-15N, 131-48-19E
Yokohama 35-27-03N, 139-38-51E
Yokosuka 35-17-05N, 139-39-17E

Example of File Name :
2023_05.1m_Awashima
2. Format 
#
# 1min. interval sea level data (Hydrographic Dept. JCG)
#
#  Tide Station Name  : Awashima
#
#  Data Format :
#
#   Record No.1 : Tide Station Name (Japanese)
#
#   Record No2. : Data
#    (A) Col. 1-20 : Time yyyy/mm/dd hh:mm:ss (GMT +9:00)
#    (B) Col.21-23 : Sea Level (Observed) (cm)(e.g.064)
#    (C) Col.25-27 : Sea Level (Completed) (cm)(e.g.064)
#    (D) Col.29-34 : Sea Level (Smoothed) (cm)(e.g.132.12)
#    (A)-(D)   0 or ### : No Data
#
°À¡¡Åç¡¡    1
2022/09/06 00:00:00,064,064,063.12
2022/09/06 00:01:00,064,064,063.25
2022/09/06 00:02:00,064,064,063.38
2022/09/06 00:03:00,064,###,063.51
2022/09/06 00:04:00,064,###,063.64






Japan Coast Guard

E-mail : jodc@jodc.go.jp (JODC Office)