Hydrographic and Oceanographic Department
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Naha
Realtime tidal data at Naha
About gauge and tidal data
Latitude: 26°13′N Longitude: 127°40′E Datum level: 118cm 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【 2026/10/13 】
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 |
| 1013 | 73 | 40 | 25 | 31 | 57 | 96 | 138 | 174 | 195 | 198 | 182 | 154 | 122 | 95 | 82 | 85 | 106 | 137 | 171 | 198 | 209 | 201 | 175 | 136 |
Observation data
Record of TidalHeight(cm) Location Naha Longitude 127-40 Latitude 26-13 TimeZone -09 00(JST) TidalHeightDatum 118cm below mean sea level. a note: Broken or No transmit data ---> "9999" year date time cm 2026 10 13 00 00 762026 10 13 00 05 722026 10 13 00 10 672026 10 13 00 15 632026 10 13 00 20 612026 10 13 00 25 602026 10 13 00 30 582026 10 13 00 35 542026 10 13 00 40 512026 10 13 00 45 472026 10 13 00 50 452026 10 13 00 55 442026 10 13 01 00 422026 10 13 01 05 392026 10 13 01 10 362026 10 13 01 15 342026 10 13 01 20 332026 10 13 01 25 322026 10 13 01 30 312026 10 13 01 35 302026 10 13 01 40 292026 10 13 01 45 272026 10 13 01 50 252026 10 13 01 55 242026 10 13 02 00 252026 10 13 02 05 252026 10 13 02 10 242026 10 13 02 15 242026 10 13 02 20 242026 10 13 02 25 252026 10 13 02 30 252026 10 13 02 35 262026 10 13 02 40 262026 10 13 02 45 272026 10 13 02 50 292026 10 13 02 55 312026 10 13 03 00 322026 10 13 03 05 332026 10 13 03 10 332026 10 13 03 15 342026 10 13 03 20 372026 10 13 03 25 412026 10 13 03 30 432026 10 13 03 35 432026 10 13 03 40 452026 10 13 03 45 492026 10 13 03 50 532026 10 13 03 55 552026 10 13 04 00 572026 10 13 04 05 582026 10 13 04 10 612026 10 13 04 15 662026 10 13 04 20 712026 10 13 04 25 742026 10 13 04 30 752026 10 13 04 35 782026 10 13 04 40 832026 10 13 04 45 872026 10 13 04 50 902026 10 13 04 55 942026 10 13 05 00 972026 10 13 05 05 1002026 10 13 05 10 1032026 10 13 05 15 1072026 10 13 05 20 1112026 10 13 05 25 1152026 10 13 05 30 1192026 10 13 05 35 1222026 10 13 05 40 1262026 10 13 05 45 1292026 10 13 05 50 1332026 10 13 05 55 1362026 10 13 06 00 1392026 10 13 06 05 1422026 10 13 06 10 1462026 10 13 06 15 1502026 10 13 06 20 1532026 10 13 06 25 1542026 10 13 06 30 1572026 10 13 06 35 1612026 10 13 06 40 1662026 10 13 06 45 1682026 10 13 06 50 1692026 10 13 06 55 1712026 10 13 07 00 1742026 10 13 07 05 1782026 10 13 07 10 1822026 10 13 07 15 1822026 10 13 07 20 1832026 10 13 07 25 1862026 10 13 07 30 1892026 10 13 07 35 1902026 10 13 07 40 1922026 10 13 07 45 1932026 10 13 07 50 1952026 10 13 07 55 1972026 10 13 08 00 1982026 10 13 08 05 1972026 10 13 08 10 1982026 10 13 08 15 2002026 10 13 08 20 2012026 10 13 08 25 2012026 10 13 08 30 2012026 10 13 08 35 2022026 10 13 08 40 2002026 10 13 08 45 1992026 10 13 08 50 1992026 10 13 08 55 2002026 10 13 09 00 2002026 10 13 09 05 1982026 10 13 09 10 1962026 10 13 09 15 1942026 10 13 09 20 1952026 10 13 09 25 1952026 10 13 09 30 1932026 10 13 09 35 1912026 10 13 09 40 1902026 10 13 09 45 1872026 10 13 09 50 1852026 10 13 09 55 1842026 10 13 10 00 1822026 10 13 10 05 1802026 10 13 10 10 1772026 10 13 10 15 1762026 10 13 10 20 1762026 10 13 10 25 1732026 10 13 10 30 1682026 10 13 10 35 1652026 10 13 10 40 1642026 10 13 10 45 1632026 10 13 10 50 1602026 10 13 10 55 1562026 10 13 11 00 1532026 10 13 11 05 1512026 10 13 11 10 1512026 10 13 11 15 1492026 10 13 11 20 1472026 10 13 11 25 1412026 10 13 11 30 1362026 10 13 11 35 1342026 10 13 11 40 1342026 10 13 11 45 1312026 10 13 11 50 1292026 10 13 11 55 1262026 10 13 12 00 1232026 10 13 12 05 1202026 10 13 12 10 1182026 10 13 12 15 1162026 10 13 12 20 1162026 10 13 12 25 1142026 10 13 12 30 1102026 10 13 12 35 1062026 10 13 12 40 1042026 10 13 12 45 1032026 10 13 12 50 1022026 10 13 12 55 1002026 10 13 13 00 972026 10 13 13 05 942026 10 13 13 10 932026 10 13 13 15 932026 10 13 13 20 942026 10 13 13 25 922026 10 13 13 30 892026 10 13 13 35 862026 10 13 13 40 862026 10 13 13 45 852026 10 13 13 50 99992026 10 13 13 55 99992026 10 13 14 00 99992026 10 13 14 05 99992026 10 13 14 10 99992026 10 13 14 15 99992026 10 13 14 20 99992026 10 13 14 25 99992026 10 13 14 30 99992026 10 13 14 35 99992026 10 13 14 40 99992026 10 13 14 45 99992026 10 13 14 50 99992026 10 13 14 55 99992026 10 13 15 00 99992026 10 13 15 05 99992026 10 13 15 10 99992026 10 13 15 15 99992026 10 13 15 20 99992026 10 13 15 25 99992026 10 13 15 30 99992026 10 13 15 35 99992026 10 13 15 40 99992026 10 13 15 45 99992026 10 13 15 50 99992026 10 13 15 55 99992026 10 13 16 00 99992026 10 13 16 05 99992026 10 13 16 10 99992026 10 13 16 15 99992026 10 13 16 20 99992026 10 13 16 25 99992026 10 13 16 30 99992026 10 13 16 35 99992026 10 13 16 40 99992026 10 13 16 45 99992026 10 13 16 50 99992026 10 13 16 55 99992026 10 13 17 00 99992026 10 13 17 05 99992026 10 13 17 10 99992026 10 13 17 15 99992026 10 13 17 20 99992026 10 13 17 25 99992026 10 13 17 30 99992026 10 13 17 35 99992026 10 13 17 40 99992026 10 13 17 45 99992026 10 13 17 50 99992026 10 13 17 55 99992026 10 13 18 00 99992026 10 13 18 05 99992026 10 13 18 10 99992026 10 13 18 15 99992026 10 13 18 20 99992026 10 13 18 25 99992026 10 13 18 30 99992026 10 13 18 35 99992026 10 13 18 40 99992026 10 13 18 45 99992026 10 13 18 50 99992026 10 13 18 55 99992026 10 13 19 00 99992026 10 13 19 05 99992026 10 13 19 10 99992026 10 13 19 15 99992026 10 13 19 20 99992026 10 13 19 25 99992026 10 13 19 30 99992026 10 13 19 35 99992026 10 13 19 40 99992026 10 13 19 45 99992026 10 13 19 50 99992026 10 13 19 55 99992026 10 13 20 00 99992026 10 13 20 05 99992026 10 13 20 10 99992026 10 13 20 15 99992026 10 13 20 20 99992026 10 13 20 25 99992026 10 13 20 30 99992026 10 13 20 35 99992026 10 13 20 40 99992026 10 13 20 45 99992026 10 13 20 50 99992026 10 13 20 55 99992026 10 13 21 00 99992026 10 13 21 05 99992026 10 13 21 10 99992026 10 13 21 15 99992026 10 13 21 20 99992026 10 13 21 25 99992026 10 13 21 30 99992026 10 13 21 35 99992026 10 13 21 40 99992026 10 13 21 45 99992026 10 13 21 50 99992026 10 13 21 55 99992026 10 13 22 00 99992026 10 13 22 05 99992026 10 13 22 10 99992026 10 13 22 15 99992026 10 13 22 20 99992026 10 13 22 25 99992026 10 13 22 30 99992026 10 13 22 35 99992026 10 13 22 40 99992026 10 13 22 45 99992026 10 13 22 50 99992026 10 13 22 55 99992026 10 13 23 00 99992026 10 13 23 05 99992026 10 13 23 10 99992026 10 13 23 15 99992026 10 13 23 20 99992026 10 13 23 25 99992026 10 13 23 30 99992026 10 13 23 35 99992026 10 13 23 40 99992026 10 13 23 45 99992026 10 13 23 50 99992026 10 13 23 55 9999