30sec. interval sea level data at JCG's tide station

Last Updated : January 29, 2003

File name and Format

1. File name

YYYY_MM.30s_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
Maizuru 35-26-48N, 135-19-12E
Minamiizu 34-37-19N, 138-53-22E
Miyakejima 34-03-50N, 139-29-02E
Moji 33-57-13N, 130-57-50E
Monbetsu 44-21-09N, 143-21-57E
Muroran 42-20-32N, 140-57-25E
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
Ominato 41-15-14N, 141-08-55E
Sasebo 33-09-16N, 129-43-35E
Shibaura 35-38-01N, 139-45-25E
Tappi 41-14-24N, 140-23-06E
Tokuyama 34-02-15N, 131-48-19E
Urakawa 42-09-42N, 142-46-29E
Yokohama 35-27-03N, 139-38-51E
Yokosuka 35-17-05N, 139-39-17E
Yoshioka 41-26-31N, 140-14-31E

Example of File Name :
1999_05.30s_Awashima
2. Format 
#
# 30sec. interval sea level data (Hydrographic Dept. JCG)
#
#  Tide Station Name  : Awashima
#  Original File Name : 19990301.dat
#
#  Original File Name Format : YYYYMMDD.dat
#    YYYY : Year,  MM : Month(01-12),  DD : Day(01-31)
#
#  Data Format :
#
#   Record No.1 : Tide Station Name (Japanese)
#
#   Record No.2 (00:00:00) - No.2881 (23:59:30) JST(GMT +9:00)
#    (A) Col. 1- 6 : Sea Level (Observed) (cm)
#    (B) Col. 7-12 : Air Pressure (Observed) (hPa)
#    (C) Col.13-18 : Temperature (0.1 C)
#    (D) Col.19-24 : Sea Level (Smoothed) (0.01 cm)
#    (A)-(D)   0 or ###### : No Data
#
°À¡¡Åç      1                <-- Record No.1 : Tide St. Name (Japanese)
+00096+01017+00000 10073     <-- Record No.2 : Data (00:00:00)
+00101+01017+00000 10075     <-- Record No.3 : Data (00:00:30)
+00101+01017+00000 10078     <-- Record No.4 : Data (00:01:00)
+00105+01017+00000 10080     <-- Record No.5 : Data (00:01:30)
+00099+01017+00000 10082     <-- Record No.6 : Data (00:02:00)


3. CAUTION

The value of the temperature may be sometimes different from that of the surrounding sea surface temperature, because it is measured in the tide well in the house.

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