1 (木)	05:12	10:23	15:56	22:49
	116cm	67cm	121cm	3cm
大潮 出 06:40 入 17:05 出 06:32 入 17:42

那珂湊（茨城）2052年02月1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	20.2	↑3.1
2/1 00:10	23.6	↑3.4
2/1 00:20	27.1	↑3.5
2/1 00:30	30.9	↑3.8
2/1 00:40	34.7	↑3.8
2/1 00:50	38.7	↑4.0
2/1 01:00	42.9	↑4.2
2/1 01:10	47.0	↑4.1
2/1 01:20	51.3	↑4.3
2/1 01:30	55.6	↑4.3
2/1 01:40	59.9	↑4.3
2/1 01:50	64.1	↑4.2
2/1 02:00	68.4	↑4.3
2/1 02:10	72.6	↑4.2
2/1 02:20	76.7	↑4.1
2/1 02:30	80.6	↑3.9
2/1 02:40	84.5	↑3.9
2/1 02:50	88.2	↑3.7
2/1 03:00	91.8	↑3.6
2/1 03:10	95.1	↑3.3
2/1 03:20	98.3	↑3.2
2/1 03:30	101.2	↑2.9
2/1 03:40	103.9	↑2.7
2/1 03:50	106.3	↑2.4
2/1 04:00	108.5	↑2.2
2/1 04:10	110.4	↑1.9
2/1 04:20	112.0	↑1.6
2/1 04:30	113.4	↑1.4
2/1 04:40	114.4	↑1.0
2/1 04:50	115.2	↑0.8
2/1 05:00	115.6	↑0.4
2/1 05:10	115.8	↑0.2	満潮
2/1 05:20	115.7	↓-0.1
2/1 05:30	115.3	↓-0.4
2/1 05:40	114.7	↓-0.6
2/1 05:50	113.8	↓-0.9
2/1 06:00	112.7	↓-1.1
2/1 06:10	111.3	↓-1.4
2/1 06:20	109.7	↓-1.6
2/1 06:30	108.0	↓-1.7
2/1 06:40	106.0	↓-2.0
2/1 06:50	104.0	↓-2.0
2/1 07:00	101.8	↓-2.2
2/1 07:10	99.4	↓-2.4
2/1 07:20	97.1	↓-2.3
2/1 07:30	94.6	↓-2.5
2/1 07:40	92.2	↓-2.4
2/1 07:50	89.7	↓-2.5
2/1 08:00	87.2	↓-2.5
2/1 08:10	84.8	↓-2.4
2/1 08:20	82.5	↓-2.3
2/1 08:30	80.3	↓-2.2
2/1 08:40	78.1	↓-2.2
2/1 08:50	76.2	↓-1.9
2/1 09:00	74.3	↓-1.9
2/1 09:10	72.6	↓-1.7
2/1 09:20	71.2	↓-1.4
2/1 09:30	69.9	↓-1.3
2/1 09:40	68.8	↓-1.1
2/1 09:50	67.9	↓-0.9
2/1 10:00	67.3	↓-0.6
2/1 10:10	66.9	↓-0.4
2/1 10:20	66.7	↓-0.2	干潮
2/1 10:30	66.8	↑0.1
2/1 10:40	67.1	↑0.3
2/1 10:50	67.6	↑0.5
2/1 11:00	68.4	↑0.8
2/1 11:10	69.3	↑0.9
2/1 11:20	70.5	↑1.2
2/1 11:30	71.9	↑1.4
2/1 11:40	73.4	↑1.5
2/1 11:50	75.1	↑1.7
2/1 12:00	77.0	↑1.9
2/1 12:10	79.0	↑2.0
2/1 12:20	81.2	↑2.2
2/1 12:30	83.4	↑2.2
2/1 12:40	85.8	↑2.4
2/1 12:50	88.2	↑2.4
2/1 13:00	90.6	↑2.4
2/1 13:10	93.1	↑2.5
2/1 13:20	95.6	↑2.5
2/1 13:30	98.1	↑2.5
2/1 13:40	100.5	↑2.4
2/1 13:50	102.9	↑2.4
2/1 14:00	105.2	↑2.3
2/1 14:10	107.4	↑2.2
2/1 14:20	109.5	↑2.1
2/1 14:30	111.5	↑2.0
2/1 14:40	113.3	↑1.8
2/1 14:50	115.0	↑1.7
2/1 15:00	116.4	↑1.4
2/1 15:10	117.6	↑1.2
2/1 15:20	118.7	↑1.1
2/1 15:30	119.4	↑0.7
2/1 15:40	120.0	↑0.6
2/1 15:50	120.2	↑0.2	満潮
2/1 16:00	120.2	0
2/1 16:10	120.0	↓-0.2
2/1 16:20	119.4	↓-0.6
2/1 16:30	118.5	↓-0.9
2/1 16:40	117.4	↓-1.1
2/1 16:50	115.9	↓-1.5
2/1 17:00	114.1	↓-1.8
2/1 17:10	112.1	↓-2.0
2/1 17:20	109.8	↓-2.3
2/1 17:30	107.2	↓-2.6
2/1 17:40	104.3	↓-2.9
2/1 17:50	101.2	↓-3.1
2/1 18:00	97.8	↓-3.4
2/1 18:10	94.2	↓-3.6
2/1 18:20	90.4	↓-3.8
2/1 18:30	86.4	↓-4.0
2/1 18:40	82.3	↓-4.1
2/1 18:50	78.0	↓-4.3
2/1 19:00	73.6	↓-4.4
2/1 19:10	69.1	↓-4.5
2/1 19:20	64.6	↓-4.5
2/1 19:30	60.0	↓-4.6	最大潮位差
2/1 19:40	55.4	↓-4.6	最大潮位差
2/1 19:50	50.9	↓-4.5
2/1 20:00	46.4	↓-4.5
2/1 20:10	42.0	↓-4.4
2/1 20:20	37.7	↓-4.3
2/1 20:30	33.6	↓-4.1
2/1 20:40	29.6	↓-4.0
2/1 20:50	25.9	↓-3.7
2/1 21:00	22.3	↓-3.6
2/1 21:10	19.0	↓-3.3
2/1 21:20	16.0	↓-3.0
2/1 21:30	13.2	↓-2.8
2/1 21:40	10.8	↓-2.4
2/1 21:50	8.6	↓-2.2
2/1 22:00	6.8	↓-1.8
2/1 22:10	5.3	↓-1.5
2/1 22:20	4.2	↓-1.1
2/1 22:30	3.4	↓-0.8
2/1 22:40	2.9	↓-0.5	干潮
2/1 22:50	2.8	↓-0.1
2/1 23:00	3.1	↑0.3
2/1 23:10	3.7	↑0.6
2/1 23:20	4.6	↑0.9
2/1 23:30	5.9	↑1.3
2/1 23:40	7.5	↑1.6
2/1 23:50	9.4	↑1.9