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Hachijyoujima
Realtime tidal data at Hachijyoujima
About gauge and tidal data
Latitude: 33°08′N Longitude: 139°48′E Datum level: 81cm below mean sea level Obs. : tide observation by every 5 minutes Pred.: tide prediction by every 5 minutes Obs.-Pred. : difference between observation and prediction
Tidal curve【 2024/11/21 】
Hourly prediction
Unit：cm
Tidal harmonic constants
| month day | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 1121 | 30 | 14 | 8 | 12 | 25 | 43 | 62 | 79 | 92 | 99 | 100 | 97 | 92 | 87 | 85 | 87 | 92 | 98 | 104 | 107 | 105 | 98 | 86 | 69 |
Observation data
Record of TidalHeight(cm) Location Hachijyoujima Longitude 139-48 Latitude 33-08 TimeZone -09 00(JST) TidalHeightDatum 81cm below mean sea level. a note: Broken or No transmit data ---> "9999" year date time cm 2024 11 21 00 00 1052024 11 21 00 05 1082024 11 21 00 10 1032024 11 21 00 15 1032024 11 21 00 20 1042024 11 21 00 25 1002024 11 21 00 30 992024 11 21 00 35 1002024 11 21 00 40 982024 11 21 00 45 942024 11 21 00 50 972024 11 21 00 55 942024 11 21 01 00 902024 11 21 01 05 932024 11 21 01 10 902024 11 21 01 15 872024 11 21 01 20 922024 11 21 01 25 902024 11 21 01 30 862024 11 21 01 35 862024 11 21 01 40 882024 11 21 01 45 852024 11 21 01 50 832024 11 21 01 55 842024 11 21 02 00 842024 11 21 02 05 822024 11 21 02 10 832024 11 21 02 15 842024 11 21 02 20 822024 11 21 02 25 832024 11 21 02 30 822024 11 21 02 35 802024 11 21 02 40 822024 11 21 02 45 842024 11 21 02 50 802024 11 21 02 55 852024 11 21 03 00 832024 11 21 03 05 832024 11 21 03 10 822024 11 21 03 15 852024 11 21 03 20 842024 11 21 03 25 852024 11 21 03 30 872024 11 21 03 35 862024 11 21 03 40 882024 11 21 03 45 902024 11 21 03 50 882024 11 21 03 55 912024 11 21 04 00 922024 11 21 04 05 922024 11 21 04 10 952024 11 21 04 15 962024 11 21 04 20 952024 11 21 04 25 1002024 11 21 04 30 992024 11 21 04 35 992024 11 21 04 40 1012024 11 21 04 45 1042024 11 21 04 50 1042024 11 21 04 55 1082024 11 21 05 00 1052024 11 21 05 05 1102024 11 21 05 10 1132024 11 21 05 15 1102024 11 21 05 20 1152024 11 21 05 25 1142024 11 21 05 30 1142024 11 21 05 35 1202024 11 21 05 40 1212024 11 21 05 45 1232024 11 21 05 50 1262024 11 21 05 55 1252024 11 21 06 00 1272024 11 21 06 05 1302024 11 21 06 10 1352024 11 21 06 15 1342024 11 21 06 20 1372024 11 21 06 25 1382024 11 21 06 30 1422024 11 21 06 35 1382024 11 21 06 40 1412024 11 21 06 45 1482024 11 21 06 50 1442024 11 21 06 55 1462024 11 21 07 00 1502024 11 21 07 05 1472024 11 21 07 10 1522024 11 21 07 15 1522024 11 21 07 20 1542024 11 21 07 25 1542024 11 21 07 30 1542024 11 21 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