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Mera
Realtime tidal data at Mera
About gauge and tidal data
Latitude: 34°55′N Longitude: 139°49′E Datum level: 90cm 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【 2025/04/30 】
Hourly prediction
Unit：cm
| 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 |
| 0430 | 83 | 93 | 110 | 129 | 144 | 149 | 141 | 119 | 87 | 50 | 15 | -9 | -19 | -12 | 9 | 40 | 73 | 104 | 124 | 134 | 132 | 121 | 107 | 95 |
Observation data
Record of TidalHeight(cm) Location Mera Longitude 139-49 Latitude 34-55 TimeZone -09 00(JST) TidalHeightDatum 90cm below mean sea level. a note: Broken or No transmit data ---> "9999" year date time cm 2025 04 30 00 00 802025 04 30 00 05 832025 04 30 00 10 802025 04 30 00 15 812025 04 30 00 20 812025 04 30 00 25 852025 04 30 00 30 872025 04 30 00 35 852025 04 30 00 40 862025 04 30 00 45 902025 04 30 00 50 902025 04 30 00 55 882025 04 30 01 00 872025 04 30 01 05 902025 04 30 01 10 962025 04 30 01 15 942025 04 30 01 20 922025 04 30 01 25 962025 04 30 01 30 942025 04 30 01 35 992025 04 30 01 40 1012025 04 30 01 45 1052025 04 30 01 50 1082025 04 30 01 55 1112025 04 30 02 00 1082025 04 30 02 05 1062025 04 30 02 10 1072025 04 30 02 15 1142025 04 30 02 20 1172025 04 30 02 25 1142025 04 30 02 30 1152025 04 30 02 35 1182025 04 30 02 40 1212025 04 30 02 45 1222025 04 30 02 50 1212025 04 30 02 55 1262025 04 30 03 00 1262025 04 30 03 05 1252025 04 30 03 10 1302025 04 30 03 15 1282025 04 30 03 20 1322025 04 30 03 25 1422025 04 30 03 30 1382025 04 30 03 35 1332025 04 30 03 40 1392025 04 30 03 45 1382025 04 30 03 50 1382025 04 30 03 55 1402025 04 30 04 00 1422025 04 30 04 05 1422025 04 30 04 10 1392025 04 30 04 15 1422025 04 30 04 20 1442025 04 30 04 25 1472025 04 30 04 30 1442025 04 30 04 35 1472025 04 30 04 40 1482025 04 30 04 45 1442025 04 30 04 50 1452025 04 30 04 55 1462025 04 30 05 00 1472025 04 30 05 05 1472025 04 30 05 10 1452025 04 30 05 15 1462025 04 30 05 20 1452025 04 30 05 25 1422025 04 30 05 30 1402025 04 30 05 35 1392025 04 30 05 40 1412025 04 30 05 45 1412025 04 30 05 50 1392025 04 30 05 55 1362025 04 30 06 00 1342025 04 30 06 05 1342025 04 30 06 10 1342025 04 30 06 15 1302025 04 30 06 20 1302025 04 30 06 25 1282025 04 30 06 30 1272025 04 30 06 35 1272025 04 30 06 40 1242025 04 30 06 45 1202025 04 30 06 50 1172025 04 30 06 55 1162025 04 30 07 00 1162025 04 30 07 05 1112025 04 30 07 10 1072025 04 30 07 15 1052025 04 30 07 20 1032025 04 30 07 25 992025 04 30 07 30 992025 04 30 07 35 962025 04 30 07 40 932025 04 30 07 45 902025 04 30 07 50 892025 04 30 07 55 862025 04 30 08 00 832025 04 30 08 05 792025 04 30 08 10 772025 04 30 08 15 732025 04 30 08 20 682025 04 30 08 25 622025 04 30 08 30 632025 04 30 08 35 602025 04 30 08 40 562025 04 30 08 45 482025 04 30 08 50 482025 04 30 08 55 482025 04 30 09 00 472025 04 30 09 05 402025 04 30 09 10 382025 04 30 09 15 332025 04 30 09 20 312025 04 30 09 25 282025 04 30 09 30 262025 04 30 09 35 242025 04 30 09 40 202025 04 30 09 45 152025 04 30 09 50 152025 04 30 09 55 112025 04 30 10 00 82025 04 30 10 05 62025 04 30 10 10 12025 04 30 10 15 02025 04 30 10 20 -32025 04 30 10 25 -52025 04 30 10 30 -52025 04 30 10 35 -92025 04 30 10 40 -72025 04 30 10 45 -112025 04 30 10 50 -132025 04 30 10 55 -142025 04 30 11 00 -162025 04 30 11 05 -182025 04 30 11 10 -192025 04 30 11 15 -212025 04 30 11 20 -212025 04 30 11 25 -232025 04 30 11 30 -262025 04 30 11 35 -242025 04 30 11 40 -282025 04 30 11 45 -302025 04 30 11 50 -282025 04 30 11 55 -292025 04 30 12 00 -282025 04 30 12 05 -272025 04 30 12 10 -272025 04 30 12 15 -282025 04 30 12 20 -302025 04 30 12 25 -262025 04 30 12 30 -292025 04 30 12 35 -262025 04 30 12 40 -242025 04 30 12 45 -262025 04 30 12 50 -272025 04 30 12 55 -212025 04 30 13 00 -192025 04 30 13 05 -212025 04 30 13 10 -202025 04 30 13 15 -172025 04 30 13 20 -152025 04 30 13 25 -122025 04 30 13 30 -132025 04 30 13 35 -112025 04 30 13 40 -102025 04 30 13 45 -82025 04 30 13 50 -72025 04 30 13 55 -52025 04 30 14 00 -12025 04 30 14 05 02025 04 30 14 10 12025 04 30 14 15 42025 04 30 14 20 82025 04 30 14 25 122025 04 30 14 30 142025 04 30 14 35 182025 04 30 14 40 192025 04 30 14 45 222025 04 30 14 50 222025 04 30 14 55 282025 04 30 15 00 302025 04 30 15 05 322025 04 30 15 10 352025 04 30 15 15 372025 04 30 15 20 402025 04 30 15 25 402025 04 30 15 30 432025 04 30 15 35 482025 04 30 15 40 522025 04 30 15 45 542025 04 30 15 50 562025 04 30 15 55 582025 04 30 16 00 612025 04 30 16 05 652025 04 30 16 10 672025 04 30 16 15 712025 04 30 16 20 742025 04 30 16 25 752025 04 30 16 30 752025 04 30 16 35 772025 04 30 16 40 812025 04 30 16 45 872025 04 30 16 50 862025 04 30 16 55 902025 04 30 17 00 892025 04 30 17 05 952025 04 30 17 10 982025 04 30 17 15 992025 04 30 17 20 1002025 04 30 17 25 992025 04 30 17 30 1032025 04 30 17 35 1072025 04 30 17 40 1072025 04 30 17 45 1072025 04 30 17 50 1102025 04 30 17 55 1132025 04 30 18 00 1092025 04 30 18 05 1122025 04 30 18 10 1162025 04 30 18 15 1132025 04 30 18 20 1172025 04 30 18 25 1182025 04 30 18 30 1162025 04 30 18 35 1202025 04 30 18 40 1182025 04 30 18 45 1212025 04 30 18 50 1192025 04 30 18 55 1192025 04 30 19 00 1202025 04 30 19 05 1212025 04 30 19 10 1202025 04 30 19 15 1212025 04 30 19 20 1212025 04 30 19 25 1212025 04 30 19 30 1222025 04 30 19 35 1202025 04 30 19 40 1212025 04 30 19 45 1202025 04 30 19 50 1182025 04 30 19 55 1182025 04 30 20 00 1212025 04 30 20 05 1192025 04 30 20 10 1182025 04 30 20 15 1172025 04 30 20 20 1162025 04 30 20 25 1132025 04 30 20 30 1132025 04 30 20 35 1152025 04 30 20 40 1112025 04 30 20 45 1102025 04 30 20 50 1112025 04 30 20 55 1102025 04 30 21 00 1082025 04 30 21 05 1072025 04 30 21 10 1072025 04 30 21 15 1052025 04 30 21 20 1052025 04 30 21 25 1032025 04 30 21 30 992025 04 30 21 35 992025 04 30 21 40 972025 04 30 21 45 962025 04 30 21 50 952025 04 30 21 55 932025 04 30 22 00 922025 04 30 22 05 902025 04 30 22 10 912025 04 30 22 15 99992025 04 30 22 20 99992025 04 30 22 25 99992025 04 30 22 30 99992025 04 30 22 35 99992025 04 30 22 40 99992025 04 30 22 45 99992025 04 30 22 50 99992025 04 30 22 55 99992025 04 30 23 00 99992025 04 30 23 05 99992025 04 30 23 10 99992025 04 30 23 15 99992025 04 30 23 20 99992025 04 30 23 25 99992025 04 30 23 30 99992025 04 30 23 35 99992025 04 30 23 40 99992025 04 30 23 45 99992025 04 30 23 50 99992025 04 30 23 55 9999