01 (火)	05:00	09:58	15:15	22:25
	117cm	77cm	121cm	-5cm
大潮 出 06:40 入 17:05 出 16:47 入 06:17

那珂湊（茨城）2056年02月01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
2/1 00:00	25.1	↑3.7
2/1 00:10	28.9	↑3.8
2/1 00:20	32.9	↑4.0
2/1 00:30	37.0	↑4.1
2/1 00:40	41.2	↑4.2
2/1 00:50	45.5	↑4.3
2/1 01:00	49.8	↑4.3
2/1 01:10	54.2	↑4.4
2/1 01:20	58.5	↑4.3
2/1 01:30	62.8	↑4.3
2/1 01:40	67.1	↑4.3
2/1 01:50	71.4	↑4.3
2/1 02:00	75.5	↑4.1
2/1 02:10	79.5	↑4.0
2/1 02:20	83.4	↑3.9
2/1 02:30	87.2	↑3.8
2/1 02:40	90.8	↑3.6
2/1 02:50	94.2	↑3.4
2/1 03:00	97.4	↑3.2
2/1 03:10	100.4	↑3.0
2/1 03:20	103.1	↑2.7
2/1 03:30	105.6	↑2.5
2/1 03:40	107.9	↑2.3
2/1 03:50	109.9	↑2.0
2/1 04:00	111.7	↑1.8
2/1 04:10	113.1	↑1.4
2/1 04:20	114.3	↑1.2
2/1 04:30	115.2	↑0.9
2/1 04:40	115.9	↑0.7
2/1 04:50	116.3	↑0.4	満潮
2/1 05:00	116.4	↑0.1	満潮
2/1 05:10	116.2	↓-0.2
2/1 05:20	115.8	↓-0.4
2/1 05:30	115.2	↓-0.6
2/1 05:40	114.4	↓-0.8
2/1 05:50	113.3	↓-1.1
2/1 06:00	112.0	↓-1.3
2/1 06:10	110.6	↓-1.4
2/1 06:20	109.0	↓-1.6
2/1 06:30	107.3	↓-1.7
2/1 06:40	105.4	↓-1.9
2/1 06:50	103.5	↓-1.9
2/1 07:00	101.5	↓-2.0
2/1 07:10	99.4	↓-2.1
2/1 07:20	97.4	↓-2.0
2/1 07:30	95.3	↓-2.1
2/1 07:40	93.2	↓-2.1
2/1 07:50	91.2	↓-2.0
2/1 08:00	89.2	↓-2.0
2/1 08:10	87.3	↓-1.9
2/1 08:20	85.6	↓-1.7
2/1 08:30	83.9	↓-1.7
2/1 08:40	82.4	↓-1.5
2/1 08:50	81.0	↓-1.4
2/1 09:00	79.8	↓-1.2
2/1 09:10	78.8	↓-1.0
2/1 09:20	77.9	↓-0.9
2/1 09:30	77.3	↓-0.6
2/1 09:40	76.8	↓-0.5
2/1 09:50	76.6	↓-0.2	干潮
2/1 10:00	76.6	0
2/1 10:10	76.7	↑0.1
2/1 10:20	77.1	↑0.4
2/1 10:30	77.7	↑0.6
2/1 10:40	78.5	↑0.8
2/1 10:50	79.4	↑0.9
2/1 11:00	80.5	↑1.1
2/1 11:10	81.8	↑1.3
2/1 11:20	83.3	↑1.5
2/1 11:30	84.9	↑1.6
2/1 11:40	86.6	↑1.7
2/1 11:50	88.5	↑1.9
2/1 12:00	90.4	↑1.9
2/1 12:10	92.4	↑2.0
2/1 12:20	94.5	↑2.1
2/1 12:30	96.6	↑2.1
2/1 12:40	98.7	↑2.1
2/1 12:50	100.9	↑2.2
2/1 13:00	103.0	↑2.1
2/1 13:10	105.1	↑2.1
2/1 13:20	107.1	↑2.0
2/1 13:30	109.1	↑2.0
2/1 13:40	110.9	↑1.8
2/1 13:50	112.7	↑1.8
2/1 14:00	114.3	↑1.6
2/1 14:10	115.8	↑1.5
2/1 14:20	117.1	↑1.3
2/1 14:30	118.2	↑1.1
2/1 14:40	119.1	↑0.9
2/1 14:50	119.8	↑0.7
2/1 15:00	120.2	↑0.4
2/1 15:10	120.5	↑0.3	満潮
2/1 15:20	120.4	↓-0.1
2/1 15:30	120.2	↓-0.2
2/1 15:40	119.6	↓-0.6
2/1 15:50	118.8	↓-0.8
2/1 16:00	117.6	↓-1.2
2/1 16:10	116.2	↓-1.4
2/1 16:20	114.5	↓-1.7
2/1 16:30	112.6	↓-1.9
2/1 16:40	110.3	↓-2.3
2/1 16:50	107.8	↓-2.5
2/1 17:00	105.0	↓-2.8
2/1 17:10	101.9	↓-3.1
2/1 17:20	98.6	↓-3.3
2/1 17:30	95.1	↓-3.5
2/1 17:40	91.4	↓-3.7
2/1 17:50	87.4	↓-4.0
2/1 18:00	83.3	↓-4.1
2/1 18:10	79.0	↓-4.3
2/1 18:20	74.5	↓-4.5
2/1 18:30	70.0	↓-4.5
2/1 18:40	65.4	↓-4.6
2/1 18:50	60.7	↓-4.7
2/1 19:00	56.0	↓-4.7
2/1 19:10	51.2	↓-4.8	最大潮位差
2/1 19:20	46.5	↓-4.7
2/1 19:30	41.9	↓-4.6
2/1 19:40	37.3	↓-4.6
2/1 19:50	32.8	↓-4.5
2/1 20:00	28.5	↓-4.3
2/1 20:10	24.3	↓-4.2
2/1 20:20	20.3	↓-4.0
2/1 20:30	16.5	↓-3.8
2/1 20:40	13.0	↓-3.5
2/1 20:50	9.7	↓-3.3
2/1 21:00	6.7	↓-3.0
2/1 21:10	4.0	↓-2.7
2/1 21:20	1.6	↓-2.4
2/1 21:30	-0.5	↓-2.1
2/1 21:40	-2.2	↓-1.7
2/1 21:50	-3.6	↓-1.4
2/1 22:00	-4.7	↓-1.1
2/1 22:10	-5.3	↓-0.6
2/1 22:20	-5.7	↓-0.4	干潮
2/1 22:30	-5.6	↑0.1
2/1 22:40	-5.2	↑0.4
2/1 22:50	-4.5	↑0.7
2/1 23:00	-3.4	↑1.1
2/1 23:10	-2.0	↑1.4
2/1 23:20	-0.2	↑1.8
2/1 23:30	1.8	↑2.0
2/1 23:40	4.2	↑2.4
2/1 23:50	6.9	↑2.7