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GSI HOME > Geodetic survey > Tide Observation > Access to tidal level data recorded and List of tide stations of the Geospatial Information Authority of Japan  

Access to tidal level data recorded and List of tide stations of the Geospatial Information Authority of Japan

Locations of the tidal stations of the Geospatial Information Authority of JapanAburatsubo Hosojima Wajima Oshoro Kainan Asamushi Nezugaseki Kashiwazaki Onisaki Tajiri Katsuura Mikuni Kure Oga Akune Susa Kariya Soma Ito Ogi Okinawa Tago Yaizu Okushiri Tobishima
 
No. Tide station Latitude Longitude Type of tide gauge Tidal datum plane Height of the fixed point Year of establishment
1 Aburatsubo 35-10N 139-37E G.S.A.T 5.000m 2.4163m Jul. 1894
2 Hosojima 32-26N 131-40E G.S.A.T 5.000m 2.7281m Jan. 1894
3 Wajima 37-24N 136-54E G.S.A.T 3.000m 2.1111m Jan. 1894
4 Oshoro 43-13N 140-52E G.S.A.T 3.000m 1.6906m Nov. 1905
5 Kainan 34-09N 135-12E G.S.A.T 5.000m 2.8193m Feb. 1953
6 Asamushi 40-54N 140-52E G.S.A.T 4.000m 3.0646m May. 1954
7 Nezugaseki 38-34N 139-33E G.S.A.T 3.000m 2.0850m Mar. 1955
8 Kashiwazaki 37-21N 138-31E G.S.A.T 4.000m 2.7204m Jun. 1955
9 Onisaki 34-54N 136-49E G.S.A.T 7.000m 4.5810m Jan. 1963
10 Tajiri 35-36N 134-19E G.S.A.T 4.000m 1.9997m Jan. 1966
11 Katsuura 35-08N 140-15E G.S.A.T 5.000m 2.0053m Jun. 1967
12 Mikuni 36-15N 136-09E G.S.A.T 3.000m 1.1991m Dec. 1967
13 Kure 33-20N 133-15E G.S.A.T 5.000m 2.8246m Jun. 1972
14 Oga 39-57N 139-42E G.S.A.T 3.000m 2.4952m Jan. 1970
15 Akune 32-01N 130-11E G.S.A.T 6.000m 2.7890m Jul. 1970
16 Susa 34-38N 131-36E G.S.A.T 4.000m 2.5552m Jan. 1992
17 Kariya 33-28N 129-51E G.S.A.T 5.000m 2.5220m Feb. 1972
18 Soma 37-50N 140-58E G.S.A.T 7.000m 3.3935m May. 1973
19 Ito 34-53N 139-08E G.S.A.T 5.000m 2.8396m Jul. 1973
20 Ogi 37-49N 138-17E G.S.A.T 3.000m 1.5140m Aug. 1973
21 Okinawa 26-11N 127-49E G.S.A.T 5.000m 2.8262m Aug. 1975
22 Tago 34-48N 138-46E G.S.A.T 5.000m 2.4982m Aug. 1977
23 Yaizu 34-52N 138-20E G.S.A.T 5.000m 1.8848m Aug. 1977
24 Okushiri 42-05N 139-29E G.S.A.T 3.000m 2.0009m Dec. 1994
25 Tobishima 39-11N 139-33E G.S.A.T 4.000m 1.9021m Mar. 1995
*Numbers in the first column denote the order of establishment. Tide stations that have been moved are also numbered according to the order of establishment.
*"G.S.A.T" in the column of the type of tide gauge is an abbreviation of Geospatial Information Authority of Japan Automatic Tide Gauge. In Japan, the gauge is called "High resolution automatic tidal system."
 
  • The height of the fixed points are that of FY 2000, which were revised on April 1, 2002.
  • The data for Aburatsubo Tide station is that from the new station collected since January 1, 1997.
  • The data for Soma Tide station is that from the new station collected since September 1, 2015.
  • Method for calculating tidal height: Tidal height = height of the fixed point - constant of the tidal datum plane + tidal level

Click here for 30-seconds data tidal records.
Click here for tide stations of the former Japanese Imperial Land Survey, which were transferred to the Marine Meteorological Observatory of the Ministry of Education in 1924.

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