| 観測日時 | 潮位（m）［T.P.］ ［C.D.L.］ | 気圧（hPa） | 天文潮位（m）［T.P.］ ［C.D.L.］ | 潮位偏差（m） |
|---|
| 2026年04月18日 12:00 | 0.18 2.01 | 1015.7 | 0.31 2.14 | -0.13 |
| 12:10 | 0.06 1.89 | 1015.6 | 0.18 2.01 | -0.12 |
| 12:20 | -0.08 1.75 | 1015.5 | 0.06 1.89 | -0.14 |
| 12:30 | -0.21 1.62 | 1015.4 | -0.07 1.76 | -0.14 |
| 12:40 | -0.32 1.51 | 1015.1 | -0.19 1.64 | -0.13 |
| 12:50 | -0.44 1.39 | 1015.1 | -0.31 1.52 | -0.13 |
| 13:00 | -0.54 1.29 | 1015.1 | -0.43 1.40 | -0.11 |
| 13:10 | -0.67 1.16 | 1015.1 | -0.55 1.28 | -0.12 |
| 13:20 | -0.78 1.05 | 1015.1 | -0.66 1.17 | -0.12 |
| 13:30 | -0.87 0.96 | 1014.9 | -0.76 1.07 | -0.11 |
| 13:40 | -0.95 0.88 | 1014.8 | -0.86 0.97 | -0.09 |
| 13:50 | -1.05 0.78 | 1014.6 | -0.95 0.88 | -0.10 |
| 14:00 | -1.12 0.71 | 1014.3 | -1.03 0.80 | -0.09 |
| 14:10 | -1.21 0.62 | 1014.2 | -1.11 0.72 | -0.10 |
| 14:20 | -1.28 0.55 | 1014.1 | -1.17 0.66 | -0.11 |
| 14:30 | -1.34 0.49 | 1014.0 | -1.22 0.61 | -0.12 |
| 14:40 | -1.40 0.43 | 1013.9 | -1.27 0.56 | -0.13 |
| 14:50 | -1.42 0.41 | 1013.8 | -1.30 0.53 | -0.12 |
| 15:00 | -1.45 0.38 | 1013.8 | -1.32 0.51 | -0.13 |
| 15:10 | -1.41 0.42 | 1013.8 | -1.34 0.49 | -0.07 |
| 15:20 | -1.43 0.40 | 1013.8 | -1.34 0.49 | -0.09 |
| 15:30 | -1.43 0.40 | 1013.9 | -1.33 0.50 | -0.10 |
| 15:40 | -1.40 0.43 | 1014.0 | -1.31 0.52 | -0.09 |
| 15:50 | -1.36 0.47 | 1014.0 | -1.29 0.54 | -0.07 |
| 16:00 | -1.31 0.52 | 1014.0 | -1.25 0.58 | -0.06 |
| 16:10 | -1.24 0.59 | 1014.0 | -1.20 0.63 | -0.04 |
| 16:20 | -1.21 0.62 | 1014.2 | -1.14 0.69 | -0.07 |
| 16:30 | -1.15 0.68 | 1014.2 | -1.07 0.76 | -0.08 |
| 16:40 | -1.03 0.80 | 1014.5 | -1.00 0.83 | -0.03 |
| 16:50 | -0.96 0.87 | 1014.6 | -0.92 0.91 | -0.04 |
| 17:00 | -0.87 0.96 | 1014.5 | -0.83 1.00 | -0.04 |
| 17:10 | -0.80 1.03 | 1014.4 | -0.73 1.10 | -0.07 |
| 17:20 | -0.66 1.17 | 1014.2 | -0.62 1.21 | -0.04 |
| 17:30 | -0.58 1.25 | 1014.3 | -0.51 1.32 | -0.07 |
| 17:40 | -0.44 1.39 | 1014.4 | -0.40 1.43 | -0.04 |
| 17:50 | -0.33 1.50 | 1014.4 | -0.28 1.55 | -0.05 |
| 18:00 | -0.21 1.62 | 1014.4 | -0.15 1.68 | -0.06 |
| 18:10 | -0.07 1.76 | 1014.5 | -0.03 1.80 | -0.04 |
| 18:20 | 0.09 1.92 | 1014.5 | 0.10 1.93 | -0.01 |
| 18:30 | 0.19 2.02 | 1014.5 | 0.23 2.06 | -0.04 |
| 18:40 | 0.32 2.15 | 1014.6 | 0.36 2.19 | -0.04 |
| 18:50 | 0.46 2.29 | 1014.7 | 0.49 2.32 | -0.03 |
| 19:00 | 0.60 2.43 | 1014.5 | 0.62 2.45 | -0.02 |
| 19:10 | 0.72 2.55 | 1014.5 | 0.75 2.58 | -0.03 |
| 19:20 | 0.85 2.68 | 1014.6 | 0.87 2.70 | -0.02 |
| 19:30 | 0.95 2.78 | 1014.7 | 0.99 2.82 | -0.04 |
| 19:40 | 1.05 2.88 | 1014.8 | 1.10 2.93 | -0.05 |
| 19:50 | 1.15 2.98 | 1014.9 | 1.21 3.04 | -0.06 |
| 20:00 | 1.28 3.11 | 1014.9 | 1.31 3.14 | -0.03 |
| 20:10 | 1.33 3.16 | 1015.0 | 1.41 3.24 | -0.08 |
| 20:20 | 1.43 3.26 | 1015.0 | 1.50 3.33 | -0.07 |
| 20:30 | 1.50 3.33 | 1015.1 | 1.58 3.41 | -0.08 |
| 20:40 | 1.60 3.43 | 1015.3 | 1.65 3.48 | -0.05 |
| 20:50 | 1.64 3.47 | 1015.3 | 1.72 3.55 | -0.08 |
| 21:00 | 1.69 3.52 | 1015.4 | 1.77 3.60 | -0.08 |
| 21:10 | 1.72 3.55 | 1015.4 | 1.82 3.65 | -0.10 |
| 21:20 | 1.78 3.61 | 1015.4 | 1.85 3.68 | -0.07 |
| 21:30 | 1.80 3.63 | 1015.3 | 1.88 3.71 | -0.08 |
| 21:40 | 1.83 3.66 | 1015.3 | 1.90 3.73 | -0.07 |
| 21:50 | 1.82 3.65 | 1015.2 | 1.91 3.74 | -0.09 |
| 22:00 | 1.81 3.64 | 1015.1 | 1.91 3.74 | -0.10 |
| 22:10 | 1.82 3.65 | 1015.3 | 1.90 3.73 | -0.08 |
| 22:20 | 1.80 3.63 | 1015.2 | 1.88 3.71 | -0.08 |
| 22:30 | 1.76 3.59 | 1015.1 | 1.85 3.68 | -0.09 |
| 22:40 | 1.72 3.55 | 1014.9 | 1.81 3.64 | -0.09 |
| 22:50 | 1.67 3.50 | 1015.1 | 1.76 3.59 | -0.09 |
| 23:00 | 1.62 3.45 | 1015.0 | 1.71 3.54 | -0.09 |
| 23:10 | 1.56 3.39 | 1015.1 | 1.64 3.47 | -0.08 |
| 23:20 | 1.50 3.33 | 1015.3 | 1.57 3.40 | -0.07 |
| 23:30 | 1.42 3.25 | 1015.2 | 1.49 3.32 | -0.07 |
| 23:40 | 1.34 3.17 | 1015.2 | 1.41 3.24 | -0.07 |
| 23:50 | 1.26 3.09 | 1015.2 | 1.31 3.14 | -0.05 |
| 2026年04月19日 00:00 | 1.13 2.96 | 1015.1 | 1.22 3.05 | -0.09 |
| 00:10 | 1.02 2.85 | 1015.2 | 1.11 2.94 | -0.09 |
| 00:20 | 0.92 2.75 | 1015.2 | 1.01 2.84 | -0.09 |
| 00:30 | 0.80 2.63 | 1015.1 | 0.90 2.73 | -0.10 |
| 00:40 | 0.69 2.52 | 1015.1 | 0.79 2.62 | -0.10 |
| 00:50 | 0.57 2.40 | 1015.1 | 0.67 2.50 | -0.10 |
| 01:00 | 0.47 2.30 | 1015.0 | 0.56 2.39 | -0.09 |
| 01:10 | 0.35 2.18 | 1014.9 | 0.45 2.28 | -0.10 |
| 01:20 | 0.26 2.09 | 1014.8 | 0.34 2.17 | -0.08 |
| 01:30 | 0.13 1.96 | 1014.7 | 0.23 2.06 | -0.10 |
| 01:40 | 0.04 1.87 | 1014.7 | 0.13 1.96 | -0.09 |
| 01:50 | -0.03 1.80 | 1014.5 | 0.03 1.86 | -0.06 |
| 02:00 | -0.14 1.69 | 1014.3 | -0.07 1.76 | -0.07 |
| 02:10 | -0.21 1.62 | 1014.1 | -0.15 1.68 | -0.06 |
| 02:20 | -0.29 1.54 | 1014.0 | -0.24 1.59 | -0.05 |
| 02:30 | -0.36 1.47 | 1013.9 | -0.31 1.52 | -0.05 |
| 02:40 | -0.43 1.40 | 1014.0 | -0.37 1.46 | -0.06 |
| 02:50 | -0.50 1.33 | 1014.0 | -0.43 1.40 | -0.07 |
| 03:00 | -0.52 1.31 | 1014.0 | -0.48 1.35 | -0.04 |
| 03:10 | -0.58 1.25 | 1014.0 | -0.52 1.31 | -0.06 |
| 03:20 | -0.60 1.23 | 1014.0 | -0.55 1.28 | -0.05 |
| 03:30 | -0.61 1.22 | 1014.1 | -0.57 1.26 | -0.04 |
| 03:40 | -0.62 1.21 | 1014.0 | -0.59 1.24 | -0.03 |
| 03:50 | -0.63 1.20 | 1013.8 | -0.59 1.24 | -0.04 |
| 04:00 | -0.60 1.23 | 1013.7 | -0.59 1.24 | -0.01 |
| 04:10 | -0.61 1.22 | 1013.7 | -0.57 1.26 | -0.04 |
| 04:20 | -0.57 1.26 | 1013.6 | -0.55 1.28 | -0.02 |
| 04:30 | -0.52 1.31 | 1013.6 | -0.52 1.31 | 0.00 |
| 04:40 | -0.50 1.33 | 1013.5 | -0.48 1.35 | -0.02 |
| 04:50 | -0.45 1.38 | 1013.6 | -0.43 1.40 | -0.02 |
| 05:00 | -0.39 1.44 | 1013.7 | -0.38 1.45 | -0.01 |
| 05:10 | -0.33 1.50 | 1013.5 | -0.32 1.51 | -0.01 |
| 05:20 | -0.26 1.57 | 1013.8 | -0.25 1.58 | -0.01 |
| 05:30 | -0.19 1.64 | 1013.7 | -0.18 1.65 | -0.01 |
| 05:40 | -0.10 1.73 | 1013.8 | -0.10 1.73 | 0.00 |
| 05:50 | -0.02 1.81 | 1013.8 | -0.02 1.81 | 0.00 |
| 06:00 | 0.07 1.90 | 1013.8 | 0.07 1.90 | 0.00 |
| 06:10 | 0.16 1.99 | 1013.9 | 0.16 1.99 | 0.00 |
| 06:20 | 0.25 2.08 | 1013.9 | 0.25 2.08 | 0.00 |
| 06:30 | 0.36 2.19 | 1013.8 | 0.35 2.18 | 0.01 |
| 06:40 | 0.46 2.29 | 1013.8 | 0.44 2.27 | 0.02 |
| 06:50 | 0.55 2.38 | 1013.9 | 0.54 2.37 | 0.01 |
| 07:00 | 0.65 2.48 | 1014.1 | 0.64 2.47 | 0.01 |
| 07:10 | 0.75 2.58 | 1014.1 | 0.73 2.56 | 0.02 |
| 07:20 | 0.83 2.66 | 1014.1 | 0.83 2.66 | 0.00 |
| 07:30 | 0.93 2.76 | 1014.0 | 0.92 2.75 | 0.01 |
| 07:40 | 1.02 2.85 | 1014.2 | 1.00 2.83 | 0.02 |
| 07:50 | 1.08 2.91 | 1014.3 | 1.09 2.92 | -0.01 |
| 08:00 | 1.16 2.99 | 1014.5 | 1.16 2.99 | 0.00 |
| 08:10 | 1.23 3.06 | 1014.5 | 1.24 3.07 | -0.01 |
| 08:20 | 1.31 3.14 | 1014.5 | 1.30 3.13 | 0.01 |
| 08:30 | 1.36 3.19 | 1014.8 | 1.36 3.19 | 0.00 |
| 08:40 | 1.42 3.25 | 1014.9 | 1.41 3.24 | 0.01 |
| 08:50 | 1.46 3.29 | 1015.0 | 1.45 3.28 | 0.01 |
| 09:00 | 1.48 3.31 | 1015.0 | 1.49 3.32 | -0.01 |
| 09:10 | 1.52 3.35 | 1014.9 | 1.51 3.34 | 0.01 |
| 09:20 | 1.53 3.36 | 1014.9 | 1.53 3.36 | 0.00 |
| 09:30 | 1.54 3.37 | 1015.0 | 1.54 3.37 | 0.00 |
| 09:40 | 1.54 3.37 | 1015.0 | 1.54 3.37 | 0.00 |
| 09:50 | 1.53 3.36 | |||
| 10:00 | 1.51 3.34 | |||
| 10:10 | 1.48 3.31 | |||
| 10:20 | 1.45 3.28 | |||
| 10:30 | 1.40 3.23 | |||
| 10:40 | 1.35 3.18 | |||
| 10:50 | 1.29 3.12 | |||
| 11:00 | 1.22 3.05 | |||
| 11:10 | 1.14 2.97 | |||
| 11:20 | 1.06 2.89 | |||
| 11:30 | 0.97 2.80 | |||
| 11:40 | 0.87 2.70 | |||
| 11:50 | 0.76 2.59 | |||
| 12:00 | 0.65 2.48 | |||
| 12:10 | 0.54 2.37 | |||
| 12:20 | 0.42 2.25 | |||
| 12:30 | 0.30 2.13 | |||
| 12:40 | 0.18 2.01 | |||
| 12:50 | 0.05 1.88 | |||
| 13:00 | -0.07 1.76 | |||
| 13:10 | -0.20 1.63 | |||
| 13:20 | -0.32 1.51 | |||
| 13:30 | -0.44 1.39 | |||
| 13:40 | -0.56 1.27 | |||
| 13:50 | -0.67 1.16 | |||
| 14:00 | -0.78 1.05 | |||
| 14:10 | -0.88 0.95 | |||
| 14:20 | -0.97 0.86 | |||
| 14:30 | -1.06 0.77 | |||
| 14:40 | -1.13 0.70 | |||
| 14:50 | -1.20 0.63 | |||
| 15:00 | -1.26 0.57 | |||
| 15:10 | -1.31 0.52 | |||
| 15:20 | -1.35 0.48 | |||
| 15:30 | -1.38 0.45 | |||
| 15:40 | -1.40 0.43 | |||
| 15:50 | -1.41 0.42 | |||
| 16:00 | -1.41 0.42 | |||
| 16:10 | -1.40 0.43 | |||
| 16:20 | -1.37 0.46 | |||
| 16:30 | -1.34 0.49 | |||
| 16:40 | -1.30 0.53 | |||
| 16:50 | -1.25 0.58 | |||
| 17:00 | -1.19 0.64 | |||
| 17:10 | -1.12 0.71 | |||
| 17:20 | -1.05 0.78 | |||
| 17:30 | -0.96 0.87 | |||
| 17:40 | -0.87 0.96 | |||
| 17:50 | -0.78 1.05 | |||
| 18:00 | -0.67 1.16 | |||
| 18:10 | -0.56 1.27 | |||
| 18:20 | -0.45 1.38 | |||
| 18:30 | -0.33 1.50 | |||
| 18:40 | -0.21 1.62 | |||
| 18:50 | -0.08 1.75 | |||
| 19:00 | 0.05 1.88 | |||
| 19:10 | 0.18 2.01 | |||
| 19:20 | 0.31 2.14 | |||
| 19:30 | 0.43 2.26 | |||
| 19:40 | 0.56 2.39 | |||
| 19:50 | 0.69 2.52 | |||
| 20:00 | 0.81 2.64 | |||
| 20:10 | 0.93 2.76 | |||
| 20:20 | 1.04 2.87 | |||
| 20:30 | 1.15 2.98 | |||
| 20:40 | 1.25 3.08 | |||
| 20:50 | 1.35 3.18 | |||
| 21:00 | 1.44 3.27 | |||
| 21:10 | 1.52 3.35 | |||
| 21:20 | 1.60 3.43 | |||
| 21:30 | 1.66 3.49 | |||
| 21:40 | 1.72 3.55 | |||
| 21:50 | 1.77 3.60 | |||
| 22:00 | 1.81 3.64 | |||
| 22:10 | 1.84 3.67 | |||
| 22:20 | 1.86 3.69 | |||
| 22:30 | 1.87 3.70 | |||
| 22:40 | 1.87 3.70 | |||
| 22:50 | 1.87 3.70 | |||
| 23:00 | 1.85 3.68 | |||
| 23:10 | 1.83 3.66 | |||
| 23:20 | 1.80 3.63 | |||
| 23:30 | 1.76 3.59 | |||
| 23:40 | 1.71 3.54 | |||
| 23:50 | 1.65 3.48 | |||
| 2026年04月20日 00:00 | 1.59 3.42 | |||
| 00:10 | 1.51 3.34 | |||
| 00:20 | 1.44 3.27 | |||
| 00:30 | 1.35 3.18 | |||
| 00:40 | 1.26 3.09 | |||
| 00:50 | 1.17 3.00 | |||
| 01:00 | 1.07 2.90 | |||
| 01:10 | 0.97 2.80 | |||
| 01:20 | 0.87 2.70 | |||
| 01:30 | 0.77 2.60 | |||
| 01:40 | 0.66 2.49 | |||
| 01:50 | 0.56 2.39 | |||
| 02:00 | 0.46 2.29 | |||
| 02:10 | 0.36 2.19 | |||
| 02:20 | 0.26 2.09 | |||
| 02:30 | 0.17 2.00 | |||
| 02:40 | 0.09 1.92 | |||
| 02:50 | 0.00 1.83 | |||
| 03:00 | -0.07 1.76 | |||
| 03:10 | -0.14 1.69 | |||
| 03:20 | -0.20 1.63 | |||
| 03:30 | -0.25 1.58 | |||
| 03:40 | -0.30 1.53 | |||
| 03:50 | -0.33 1.50 | |||
| 04:00 | -0.36 1.47 | |||
| 04:10 | -0.38 1.45 | |||
| 04:20 | -0.39 1.44 | |||
| 04:30 | -0.40 1.43 | |||
| 04:40 | -0.39 1.44 | |||
| 04:50 | -0.38 1.45 | |||
| 05:00 | -0.36 1.47 | |||
| 05:10 | -0.34 1.49 | |||
| 05:20 | -0.30 1.53 | |||
| 05:30 | -0.26 1.57 | |||
| 05:40 | -0.21 1.62 | |||
| 05:50 | -0.16 1.67 | |||
| 06:00 | -0.10 1.73 | |||
| 06:10 | -0.04 1.79 | |||
| 06:20 | 0.03 1.86 | |||
| 06:30 | 0.11 1.94 | |||
| 06:40 | 0.18 2.01 | |||
| 06:50 | 0.26 2.09 | |||
| 07:00 | 0.35 2.18 | |||
| 07:10 | 0.43 2.26 | |||
| 07:20 | 0.52 2.35 | |||
| 07:30 | 0.61 2.44 | |||
| 07:40 | 0.69 2.52 | |||
| 07:50 | 0.78 2.61 | |||
| 08:00 | 0.86 2.69 | |||
| 08:10 | 0.94 2.77 | |||
| 08:20 | 1.02 2.85 | |||
| 08:30 | 1.09 2.92 | |||
| 08:40 | 1.15 2.98 | |||
| 08:50 | 1.22 3.05 | |||
| 09:00 | 1.27 3.10 | |||
| 09:10 | 1.32 3.15 | |||
| 09:20 | 1.36 3.19 | |||
| 09:30 | 1.40 3.23 | |||
| 09:40 | 1.42 3.25 | |||
| 09:50 | 1.44 3.27 | |||
| 10:00 | 1.45 3.28 | |||
| 10:10 | 1.45 3.28 | |||
| 10:20 | 1.45 3.28 | |||
| 10:30 | 1.43 3.26 | |||
| 10:40 | 1.41 3.24 | |||
| 10:50 | 1.38 3.21 | |||
| 11:00 | 1.34 3.17 | |||
| 11:10 | 1.29 3.12 | |||
| 11:20 | 1.24 3.07 | |||
| 11:30 | 1.18 3.01 | |||
| 11:40 | 1.11 2.94 | |||
| 11:50 | 1.03 2.86 | |||
| 12:00 | 0.94 2.77 |