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Koudutou
Realtime tidal data at Koudutou
About gauge and tidal data
Latitude: 34°13′N Longitude: 139°08′E Datum level: 97cm 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【 2025/01/18 】
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 |
| 0118 | 34 | 18 | 15 | 27 | 50 | 79 | 107 | 128 | 138 | 136 | 124 | 106 | 88 | 74 | 70 | 75 | 88 | 105 | 121 | 132 | 133 | 123 | 105 | 80 |
Observation data
Record of TidalHeight(cm) Location Koudutou Longitude 139-08 Latitude 34-13 TimeZone -09 00(JST) TidalHeightDatum 97cm below mean sea level. a note: Broken or No transmit data ---> "9999" year date time cm 2025 01 18 00 00 692025 01 18 00 05 712025 01 18 00 10 672025 01 18 00 15 602025 01 18 00 20 602025 01 18 00 25 622025 01 18 00 30 572025 01 18 00 35 582025 01 18 00 40 612025 01 18 00 45 592025 01 18 00 50 562025 01 18 00 55 542025 01 18 01 00 512025 01 18 01 05 532025 01 18 01 10 542025 01 18 01 15 522025 01 18 01 20 532025 01 18 01 25 492025 01 18 01 30 542025 01 18 01 35 502025 01 18 01 40 492025 01 18 01 45 452025 01 18 01 50 502025 01 18 01 55 502025 01 18 02 00 512025 01 18 02 05 532025 01 18 02 10 512025 01 18 02 15 522025 01 18 02 20 572025 01 18 02 25 512025 01 18 02 30 532025 01 18 02 35 532025 01 18 02 40 572025 01 18 02 45 532025 01 18 02 50 642025 01 18 02 55 632025 01 18 03 00 622025 01 18 03 05 662025 01 18 03 10 622025 01 18 03 15 652025 01 18 03 20 692025 01 18 03 25 692025 01 18 03 30 692025 01 18 03 35 712025 01 18 03 40 732025 01 18 03 45 762025 01 18 03 50 772025 01 18 03 55 802025 01 18 04 00 812025 01 18 04 05 862025 01 18 04 10 872025 01 18 04 15 862025 01 18 04 20 912025 01 18 04 25 942025 01 18 04 30 962025 01 18 04 35 972025 01 18 04 40 1002025 01 18 04 45 1042025 01 18 04 50 1062025 01 18 04 55 1102025 01 18 05 00 1122025 01 18 05 05 1132025 01 18 05 10 1182025 01 18 05 15 1252025 01 18 05 20 1222025 01 18 05 25 1252025 01 18 05 30 1282025 01 18 05 35 1272025 01 18 05 40 1362025 01 18 05 45 1352025 01 18 05 50 1392025 01 18 05 55 1442025 01 18 06 00 1462025 01 18 06 05 1492025 01 18 06 10 1432025 01 18 06 15 1452025 01 18 06 20 1502025 01 18 06 25 1492025 01 18 06 30 1522025 01 18 06 35 1532025 01 18 06 40 1582025 01 18 06 45 1582025 01 18 06 50 1642025 01 18 06 55 1602025 01 18 07 00 1672025 01 18 07 05 1672025 01 18 07 10 1682025 01 18 07 15 1712025 01 18 07 20 1692025 01 18 07 25 1712025 01 18 07 30 1682025 01 18 07 35 1732025 01 18 07 40 1702025 01 18 07 45 1712025 01 18 07 50 1712025 01 18 07 55 1752025 01 18 08 00 1762025 01 18 08 05 1772025 01 18 08 10 1752025 01 18 08 15 1782025 01 18 08 20 1762025 01 18 08 25 1702025 01 18 08 30 1712025 01 18 08 35 1702025 01 18 08 40 1702025 01 18 08 45 1692025 01 18 08 50 1732025 01 18 08 55 1692025 01 18 09 00 1702025 01 18 09 05 1682025 01 18 09 10 1672025 01 18 09 15 1702025 01 18 09 20 1662025 01 18 09 25 1682025 01 18 09 30 1702025 01 18 09 35 1642025 01 18 09 40 1642025 01 18 09 45 1632025 01 18 09 50 1662025 01 18 09 55 1622025 01 18 10 00 1622025 01 18 10 05 1592025 01 18 10 10 1572025 01 18 10 15 1572025 01 18 10 20 1532025 01 18 10 25 1522025 01 18 10 30 1512025 01 18 10 35 1492025 01 18 10 40 1462025 01 18 10 45 1462025 01 18 10 50 1432025 01 18 10 55 1452025 01 18 11 00 1382025 01 18 11 05 1402025 01 18 11 10 1352025 01 18 11 15 1362025 01 18 11 20 1342025 01 18 11 25 1322025 01 18 11 30 1332025 01 18 11 35 1292025 01 18 11 40 1312025 01 18 11 45 1272025 01 18 11 50 1252025 01 18 11 55 1222025 01 18 12 00 1222025 01 18 12 05 1172025 01 18 12 10 99992025 01 18 12 15 99992025 01 18 12 20 99992025 01 18 12 25 99992025 01 18 12 30 99992025 01 18 12 35 99992025 01 18 12 40 99992025 01 18 12 45 99992025 01 18 12 50 99992025 01 18 12 55 99992025 01 18 13 00 99992025 01 18 13 05 99992025 01 18 13 10 99992025 01 18 13 15 99992025 01 18 13 20 99992025 01 18 13 25 99992025 01 18 13 30 99992025 01 18 13 35 99992025 01 18 13 40 99992025 01 18 13 45 99992025 01 18 13 50 99992025 01 18 13 55 99992025 01 18 14 00 99992025 01 18 14 05 99992025 01 18 14 10 99992025 01 18 14 15 99992025 01 18 14 20 99992025 01 18 14 25 99992025 01 18 14 30 99992025 01 18 14 35 99992025 01 18 14 40 99992025 01 18 14 45 99992025 01 18 14 50 99992025 01 18 14 55 99992025 01 18 15 00 99992025 01 18 15 05 99992025 01 18 15 10 99992025 01 18 15 15 99992025 01 18 15 20 99992025 01 18 15 25 99992025 01 18 15 30 99992025 01 18 15 35 99992025 01 18 15 40 99992025 01 18 15 45 99992025 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18 23 45 99992025 01 18 23 50 99992025 01 18 23 55 9999