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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【 2023/03/28 】
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 |
| 0328 | 81 | 78 | 77 | 80 | 87 | 96 | 104 | 110 | 110 | 105 | 93 | 78 | 60 | 44 | 32 | 26 | 26 | 33 | 44 | 57 | 68 | 76 | 81 | 84 |
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 2023 03 28 00 00 1322023 03 28 00 05 1242023 03 28 00 10 1282023 03 28 00 15 1302023 03 28 00 20 1232023 03 28 00 25 1272023 03 28 00 30 1272023 03 28 00 35 1242023 03 28 00 40 1272023 03 28 00 45 1252023 03 28 00 50 1252023 03 28 00 55 1232023 03 28 01 00 1282023 03 28 01 05 1232023 03 28 01 10 1242023 03 28 01 15 1252023 03 28 01 20 1222023 03 28 01 25 1242023 03 28 01 30 1232023 03 28 01 35 1232023 03 28 01 40 1242023 03 28 01 45 1222023 03 28 01 50 1242023 03 28 01 55 1232023 03 28 02 00 1242023 03 28 02 05 1242023 03 28 02 10 1232023 03 28 02 15 1242023 03 28 02 20 1232023 03 28 02 25 1222023 03 28 02 30 1232023 03 28 02 35 1262023 03 28 02 40 1232023 03 28 02 45 1252023 03 28 02 50 1272023 03 28 02 55 1252023 03 28 03 00 1272023 03 28 03 05 1272023 03 28 03 10 1262023 03 28 03 15 1282023 03 28 03 20 1272023 03 28 03 25 1312023 03 28 03 30 1292023 03 28 03 35 1312023 03 28 03 40 1312023 03 28 03 45 1342023 03 28 03 50 1302023 03 28 03 55 1342023 03 28 04 00 1332023 03 28 04 05 1332023 03 28 04 10 1332023 03 28 04 15 1372023 03 28 04 20 1362023 03 28 04 25 1382023 03 28 04 30 1382023 03 28 04 35 1402023 03 28 04 40 1402023 03 28 04 45 1402023 03 28 04 50 1402023 03 28 04 55 1432023 03 28 05 00 1422023 03 28 05 05 1412023 03 28 05 10 1442023 03 28 05 15 1452023 03 28 05 20 1442023 03 28 05 25 1462023 03 28 05 30 1472023 03 28 05 35 1502023 03 28 05 40 1472023 03 28 05 45 1502023 03 28 05 50 1492023 03 28 05 55 1512023 03 28 06 00 1512023 03 28 06 05 1512023 03 28 06 10 1522023 03 28 06 15 1522023 03 28 06 20 1532023 03 28 06 25 1542023 03 28 06 30 1562023 03 28 06 35 1552023 03 28 06 40 1552023 03 28 06 45 1592023 03 28 06 50 1552023 03 28 06 55 1552023 03 28 07 00 1572023 03 28 07 05 1572023 03 28 07 10 1572023 03 28 07 15 1562023 03 28 07 20 1582023 03 28 07 25 1572023 03 28 07 30 1562023 03 28 07 35 1572023 03 28 07 40 1582023 03 28 07 45 1582023 03 28 07 50 1562023 03 28 07 55 1592023 03 28 08 00 1572023 03 28 08 05 99992023 03 28 08 10 99992023 03 28 08 15 99992023 03 28 08 20 99992023 03 28 08 25 99992023 03 28 08 30 99992023 03 28 08 35 99992023 03 28 08 40 99992023 03 28 08 45 99992023 03 28 08 50 99992023 03 28 08 55 99992023 03 28 09 00 99992023 03 28 09 05 99992023 03 28 09 10 99992023 03 28 09 15 99992023 03 28 09 20 99992023 03 28 09 25 99992023 03 28 09 30 99992023 03 28 09 35 99992023 03 28 09 40 99992023 03 28 09 45 99992023 03 28 09 50 99992023 03 28 09 55 99992023 03 28 10 00 99992023 03 28 10 05 99992023 03 28 10 10 99992023 03 28 10 15 99992023 03 28 10 20 99992023 03 28 10 25 99992023 03 28 10 30 99992023 03 28 10 35 99992023 03 28 10 40 99992023 03 28 10 45 99992023 03 28 10 50 99992023 03 28 10 55 99992023 03 28 11 00 99992023 03 28 11 05 99992023 03 28 11 10 99992023 03 28 11 15 99992023 03 28 11 20 99992023 03 28 11 25 99992023 03 28 11 30 99992023 03 28 11 35 99992023 03 28 11 40 99992023 03 28 11 45 99992023 03 28 11 50 99992023 03 28 11 55 99992023 03 28 12 00 99992023 03 28 12 05 99992023 03 28 12 10 99992023 03 28 12 15 99992023 03 28 12 20 99992023 03 28 12 25 99992023 03 28 12 30 99992023 03 28 12 35 99992023 03 28 12 40 99992023 03 28 12 45 99992023 03 28 12 50 99992023 03 28 12 55 99992023 03 28 13 00 99992023 03 28 13 05 99992023 03 28 13 10 99992023 03 28 13 15 99992023 03 28 13 20 99992023 03 28 13 25 99992023 03 28 13 30 99992023 03 28 13 35 99992023 03 28 13 40 99992023 03 28 13 45 99992023 03 28 13 50 99992023 03 28 13 55 99992023 03 28 14 00 99992023 03 28 14 05 99992023 03 28 14 10 99992023 03 28 14 15 99992023 03 28 14 20 99992023 03 28 14 25 99992023 03 28 14 30 99992023 03 28 14 35 99992023 03 28 14 40 99992023 03 28 14 45 99992023 03 28 14 50 99992023 03 28 14 55 99992023 03 28 15 00 99992023 03 28 15 05 99992023 03 28 15 10 99992023 03 28 15 15 99992023 03 28 15 20 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28 19 20 99992023 03 28 19 25 99992023 03 28 19 30 99992023 03 28 19 35 99992023 03 28 19 40 99992023 03 28 19 45 99992023 03 28 19 50 99992023 03 28 19 55 99992023 03 28 20 00 99992023 03 28 20 05 99992023 03 28 20 10 99992023 03 28 20 15 99992023 03 28 20 20 99992023 03 28 20 25 99992023 03 28 20 30 99992023 03 28 20 35 99992023 03 28 20 40 99992023 03 28 20 45 99992023 03 28 20 50 99992023 03 28 20 55 99992023 03 28 21 00 99992023 03 28 21 05 99992023 03 28 21 10 99992023 03 28 21 15 99992023 03 28 21 20 99992023 03 28 21 25 99992023 03 28 21 30 99992023 03 28 21 35 99992023 03 28 21 40 99992023 03 28 21 45 99992023 03 28 21 50 99992023 03 28 21 55 99992023 03 28 22 00 99992023 03 28 22 05 99992023 03 28 22 10 99992023 03 28 22 15 99992023 03 28 22 20 99992023 03 28 22 25 99992023 03 28 22 30 99992023 03 28 22 35 99992023 03 28 22 40 99992023 03 28 22 45 99992023 03 28 22 50 99992023 03 28 22 55 99992023 03 28 23 00 99992023 03 28 23 05 99992023 03 28 23 10 99992023 03 28 23 15 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