9 (火)	02:40	07:04	11:30	19:33
	98cm	86cm	101cm	7cm
若潮 出 05:58 入 17:41 出 03:32 入 13:17

那珂湊（茨城）2021年03月9日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
3/9 00:00	82.0	↑2.1
3/9 00:10	84.0	↑2.0
3/9 00:20	85.8	↑1.8
3/9 00:30	87.5	↑1.7
3/9 00:40	89.1	↑1.6
3/9 00:50	90.5	↑1.4
3/9 01:00	91.8	↑1.3
3/9 01:10	92.9	↑1.1
3/9 01:20	94.0	↑1.1
3/9 01:30	94.8	↑0.8
3/9 01:40	95.6	↑0.8
3/9 01:50	96.2	↑0.6
3/9 02:00	96.7	↑0.5
3/9 02:10	97.1	↑0.4
3/9 02:20	97.3	↑0.2
3/9 02:30	97.5	↑0.2	満潮
3/9 02:40	97.5	0	満潮
3/9 02:50	97.5	0
3/9 03:00	97.3	↓-0.2
3/9 03:10	97.0	↓-0.3
3/9 03:20	96.7	↓-0.3
3/9 03:30	96.3	↓-0.4
3/9 03:40	95.9	↓-0.4
3/9 03:50	95.3	↓-0.6
3/9 04:00	94.8	↓-0.5
3/9 04:10	94.2	↓-0.6
3/9 04:20	93.5	↓-0.7
3/9 04:30	92.9	↓-0.6
3/9 04:40	92.2	↓-0.7
3/9 04:50	91.5	↓-0.7
3/9 05:00	90.8	↓-0.7
3/9 05:10	90.2	↓-0.6
3/9 05:20	89.5	↓-0.7
3/9 05:30	88.9	↓-0.6
3/9 05:40	88.3	↓-0.6
3/9 05:50	87.7	↓-0.6
3/9 06:00	87.3	↓-0.4
3/9 06:10	86.8	↓-0.5
3/9 06:20	86.5	↓-0.3
3/9 06:30	86.2	↓-0.3
3/9 06:40	85.9	↓-0.3
3/9 06:50	85.8	↓-0.1
3/9 07:00	85.7	↓-0.1	干潮
3/9 07:10	85.7	0
3/9 07:20	85.8	↑0.1
3/9 07:30	86.0	↑0.2
3/9 07:40	86.3	↑0.3
3/9 07:50	86.7	↑0.4
3/9 08:00	87.1	↑0.4
3/9 08:10	87.6	↑0.5
3/9 08:20	88.2	↑0.6
3/9 08:30	88.9	↑0.7
3/9 08:40	89.6	↑0.7
3/9 08:50	90.3	↑0.7
3/9 09:00	91.1	↑0.8
3/9 09:10	92.0	↑0.9
3/9 09:20	92.8	↑0.8
3/9 09:30	93.7	↑0.9
3/9 09:40	94.5	↑0.8
3/9 09:50	95.4	↑0.9
3/9 10:00	96.2	↑0.8
3/9 10:10	97.0	↑0.8
3/9 10:20	97.7	↑0.7
3/9 10:30	98.4	↑0.7
3/9 10:40	99.0	↑0.6
3/9 10:50	99.5	↑0.5
3/9 11:00	99.9	↑0.4
3/9 11:10	100.2	↑0.3
3/9 11:20	100.4	↑0.2	満潮
3/9 11:30	100.4	0	満潮
3/9 11:40	100.3	↓-0.1
3/9 11:50	100.1	↓-0.2
3/9 12:00	99.8	↓-0.3
3/9 12:10	99.2	↓-0.6
3/9 12:20	98.6	↓-0.6
3/9 12:30	97.7	↓-0.9
3/9 12:40	96.7	↓-1.0
3/9 12:50	95.6	↓-1.1
3/9 13:00	94.3	↓-1.3
3/9 13:10	92.8	↓-1.5
3/9 13:20	91.1	↓-1.7
3/9 13:30	89.4	↓-1.7
3/9 13:40	87.4	↓-2.0
3/9 13:50	85.3	↓-2.1
3/9 14:00	83.1	↓-2.2
3/9 14:10	80.8	↓-2.3
3/9 14:20	78.3	↓-2.5
3/9 14:30	75.7	↓-2.6
3/9 14:40	73.0	↓-2.7
3/9 14:50	70.2	↓-2.8
3/9 15:00	67.4	↓-2.8
3/9 15:10	64.4	↓-3.0
3/9 15:20	61.4	↓-3.0
3/9 15:30	58.4	↓-3.0
3/9 15:40	55.3	↓-3.1
3/9 15:50	52.2	↓-3.1
3/9 16:00	49.1	↓-3.1
3/9 16:10	46.0	↓-3.1
3/9 16:20	42.9	↓-3.1
3/9 16:30	39.8	↓-3.1
3/9 16:40	36.9	↓-2.9
3/9 16:50	33.9	↓-3.0
3/9 17:00	31.1	↓-2.8
3/9 17:10	28.3	↓-2.8
3/9 17:20	25.7	↓-2.6
3/9 17:30	23.1	↓-2.6
3/9 17:40	20.8	↓-2.3
3/9 17:50	18.5	↓-2.3
3/9 18:00	16.4	↓-2.1
3/9 18:10	14.5	↓-1.9
3/9 18:20	12.8	↓-1.7
3/9 18:30	11.3	↓-1.5
3/9 18:40	10.0	↓-1.3
3/9 18:50	8.9	↓-1.1
3/9 19:00	8.0	↓-0.9
3/9 19:10	7.4	↓-0.6
3/9 19:20	7.0	↓-0.4
3/9 19:30	6.8	↓-0.2	干潮
3/9 19:40	6.9	↑0.1
3/9 19:50	7.2	↑0.3
3/9 20:00	7.8	↑0.6
3/9 20:10	8.6	↑0.8
3/9 20:20	9.6	↑1.0
3/9 20:30	10.9	↑1.3
3/9 20:40	12.4	↑1.5
3/9 20:50	14.1	↑1.7
3/9 21:00	16.0	↑1.9
3/9 21:10	18.2	↑2.2
3/9 21:20	20.5	↑2.3
3/9 21:30	23.0	↑2.5
3/9 21:40	25.6	↑2.6
3/9 21:50	28.4	↑2.8
3/9 22:00	31.4	↑3.0
3/9 22:10	34.4	↑3.0
3/9 22:20	37.5	↑3.1
3/9 22:30	40.8	↑3.3
3/9 22:40	44.0	↑3.2
3/9 22:50	47.4	↑3.4	最大潮位差
3/9 23:00	50.7	↑3.3
3/9 23:10	54.1	↑3.4	最大潮位差
3/9 23:20	57.4	↑3.3
3/9 23:30	60.7	↑3.3
3/9 23:40	64.0	↑3.3
3/9 23:50	67.2	↑3.2