1 (水)	08:26	00:45	17:54	12:58
	121cm	6cm	120cm	98cm
中潮 出 06:30 入 16:24 出 10:57 入 21:10

那珂湊（茨城）2038年12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
12/1 00:00	8.3	↓-1.4
12/1 00:10	7.1	↓-1.2
12/1 00:20	6.2	↓-0.9
12/1 00:30	5.6	↓-0.6
12/1 00:40	5.3	↓-0.3	干潮
12/1 00:50	5.4	↑0.1
12/1 01:00	5.7	↑0.3
12/1 01:10	6.3	↑0.6
12/1 01:20	7.3	↑1.0
12/1 01:30	8.5	↑1.2
12/1 01:40	9.9	↑1.4
12/1 01:50	11.7	↑1.8
12/1 02:00	13.6	↑1.9
12/1 02:10	15.9	↑2.3
12/1 02:20	18.3	↑2.4
12/1 02:30	21.0	↑2.7
12/1 02:40	23.8	↑2.8
12/1 02:50	26.9	↑3.1
12/1 03:00	30.1	↑3.2
12/1 03:10	33.5	↑3.4
12/1 03:20	37.0	↑3.5
12/1 03:30	40.6	↑3.6
12/1 03:40	44.3	↑3.7
12/1 03:50	48.2	↑3.9
12/1 04:00	52.0	↑3.8
12/1 04:10	56.0	↑4.0	最大潮位差
12/1 04:20	59.9	↑3.9
12/1 04:30	63.9	↑4.0	最大潮位差
12/1 04:40	67.9	↑4.0	最大潮位差
12/1 04:50	71.8	↑3.9
12/1 05:00	75.7	↑3.9
12/1 05:10	79.5	↑3.8
12/1 05:20	83.3	↑3.8
12/1 05:30	86.9	↑3.6
12/1 05:40	90.4	↑3.5
12/1 05:50	93.8	↑3.4
12/1 06:00	97.0	↑3.2
12/1 06:10	100.1	↑3.1
12/1 06:20	103.0	↑2.9
12/1 06:30	105.7	↑2.7
12/1 06:40	108.2	↑2.5
12/1 06:50	110.4	↑2.2
12/1 07:00	112.5	↑2.1
12/1 07:10	114.3	↑1.8
12/1 07:20	115.9	↑1.6
12/1 07:30	117.2	↑1.3
12/1 07:40	118.3	↑1.1
12/1 07:50	119.2	↑0.9
12/1 08:00	119.8	↑0.6
12/1 08:10	120.2	↑0.4
12/1 08:20	120.4	↑0.2	満潮
12/1 08:30	120.4	0
12/1 08:40	120.2	↓-0.2
12/1 08:50	119.8	↓-0.4
12/1 09:00	119.3	↓-0.5
12/1 09:10	118.6	↓-0.7
12/1 09:20	117.7	↓-0.9
12/1 09:30	116.7	↓-1.0
12/1 09:40	115.6	↓-1.1
12/1 09:50	114.5	↓-1.1
12/1 10:00	113.2	↓-1.3
12/1 10:10	112.0	↓-1.2
12/1 10:20	110.7	↓-1.3
12/1 10:30	109.3	↓-1.4
12/1 10:40	108.0	↓-1.3
12/1 10:50	106.7	↓-1.3
12/1 11:00	105.5	↓-1.2
12/1 11:10	104.3	↓-1.2
12/1 11:20	103.2	↓-1.1
12/1 11:30	102.1	↓-1.1
12/1 11:40	101.2	↓-0.9
12/1 11:50	100.3	↓-0.9
12/1 12:00	99.6	↓-0.7
12/1 12:10	98.9	↓-0.7
12/1 12:20	98.4	↓-0.5
12/1 12:30	98.0	↓-0.4
12/1 12:40	97.8	↓-0.2
12/1 12:50	97.6	↓-0.2	干潮
12/1 13:00	97.6	0
12/1 13:10	97.7	↑0.1
12/1 13:20	97.9	↑0.2
12/1 13:30	98.3	↑0.4
12/1 13:40	98.7	↑0.4
12/1 13:50	99.3	↑0.6
12/1 14:00	99.9	↑0.6
12/1 14:10	100.7	↑0.8
12/1 14:20	101.5	↑0.8
12/1 14:30	102.4	↑0.9
12/1 14:40	103.3	↑0.9
12/1 14:50	104.4	↑1.1
12/1 15:00	105.4	↑1.0
12/1 15:10	106.5	↑1.1
12/1 15:20	107.7	↑1.2
12/1 15:30	108.8	↑1.1
12/1 15:40	109.9	↑1.1
12/1 15:50	111.1	↑1.2
12/1 16:00	112.2	↑1.1
12/1 16:10	113.3	↑1.1
12/1 16:20	114.3	↑1.0
12/1 16:30	115.3	↑1.0
12/1 16:40	116.3	↑1.0
12/1 16:50	117.1	↑0.8
12/1 17:00	117.9	↑0.8
12/1 17:10	118.5	↑0.6
12/1 17:20	119.1	↑0.6
12/1 17:30	119.5	↑0.4
12/1 17:40	119.8	↑0.3
12/1 17:50	119.9	↑0.1	満潮
12/1 18:00	119.9	0
12/1 18:10	119.7	↓-0.2
12/1 18:20	119.3	↓-0.4
12/1 18:30	118.7	↓-0.6
12/1 18:40	117.9	↓-0.8
12/1 18:50	117.0	↓-0.9
12/1 19:00	115.8	↓-1.2
12/1 19:10	114.4	↓-1.4
12/1 19:20	112.8	↓-1.6
12/1 19:30	110.9	↓-1.9
12/1 19:40	108.9	↓-2.0
12/1 19:50	106.7	↓-2.2
12/1 20:00	104.2	↓-2.5
12/1 20:10	101.6	↓-2.6
12/1 20:20	98.8	↓-2.8
12/1 20:30	95.8	↓-3.0
12/1 20:40	92.6	↓-3.2
12/1 20:50	89.3	↓-3.3
12/1 21:00	85.9	↓-3.4
12/1 21:10	82.4	↓-3.5
12/1 21:20	78.7	↓-3.7
12/1 21:30	75.0	↓-3.7
12/1 21:40	71.2	↓-3.8
12/1 21:50	67.4	↓-3.8
12/1 22:00	63.6	↓-3.8
12/1 22:10	59.8	↓-3.8
12/1 22:20	56.0	↓-3.8
12/1 22:30	52.3	↓-3.7
12/1 22:40	48.7	↓-3.6
12/1 22:50	45.2	↓-3.5
12/1 23:00	41.7	↓-3.5
12/1 23:10	38.4	↓-3.3
12/1 23:20	35.3	↓-3.1
12/1 23:30	32.4	↓-2.9
12/1 23:40	29.6	↓-2.8
12/1 23:50	27.0	↓-2.6