22 (金)	05:13	09:56	15:12	22:30
	118cm	86cm	125cm	3cm
大潮 出 06:46 入 16:28 出 16:40 入 06:37

那珂湊（茨城）2056年12月22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
12/22 00:00	29.0	↑3.2
12/22 00:10	32.4	↑3.4
12/22 00:20	36.0	↑3.6
12/22 00:30	39.7	↑3.7
12/22 00:40	43.5	↑3.8
12/22 00:50	47.4	↑3.9
12/22 01:00	51.4	↑4.0
12/22 01:10	55.4	↑4.0
12/22 01:20	59.4	↑4.0
12/22 01:30	63.5	↑4.1
12/22 01:40	67.5	↑4.0
12/22 01:50	71.5	↑4.0
12/22 02:00	75.4	↑3.9
12/22 02:10	79.3	↑3.9
12/22 02:20	83.0	↑3.7
12/22 02:30	86.7	↑3.7
12/22 02:40	90.2	↑3.5
12/22 02:50	93.5	↑3.3
12/22 03:00	96.7	↑3.2
12/22 03:10	99.6	↑2.9
12/22 03:20	102.4	↑2.8
12/22 03:30	105.0	↑2.6
12/22 03:40	107.3	↑2.3
12/22 03:50	109.5	↑2.2
12/22 04:00	111.3	↑1.8
12/22 04:10	113.0	↑1.7
12/22 04:20	114.4	↑1.4
12/22 04:30	115.5	↑1.1
12/22 04:40	116.4	↑0.9
12/22 04:50	117.0	↑0.6
12/22 05:00	117.4	↑0.4
12/22 05:10	117.6	↑0.2	満潮
12/22 05:20	117.5	↓-0.1
12/22 05:30	117.2	↓-0.3
12/22 05:40	116.7	↓-0.5
12/22 05:50	116.0	↓-0.7
12/22 06:00	115.1	↓-0.9
12/22 06:10	114.0	↓-1.1
12/22 06:20	112.8	↓-1.2
12/22 06:30	111.4	↓-1.4
12/22 06:40	109.9	↓-1.5
12/22 06:50	108.3	↓-1.6
12/22 07:00	106.7	↓-1.6
12/22 07:10	105.0	↓-1.7
12/22 07:20	103.2	↓-1.8
12/22 07:30	101.4	↓-1.8
12/22 07:40	99.7	↓-1.7
12/22 07:50	97.9	↓-1.8
12/22 08:00	96.3	↓-1.6
12/22 08:10	94.6	↓-1.7
12/22 08:20	93.1	↓-1.5
12/22 08:30	91.7	↓-1.4
12/22 08:40	90.4	↓-1.3
12/22 08:50	89.2	↓-1.2
12/22 09:00	88.1	↓-1.1
12/22 09:10	87.3	↓-0.8
12/22 09:20	86.5	↓-0.8
12/22 09:30	86.0	↓-0.5
12/22 09:40	85.6	↓-0.4
12/22 09:50	85.4	↓-0.2	干潮
12/22 10:00	85.4	0
12/22 10:10	85.6	↑0.2
12/22 10:20	85.9	↑0.3
12/22 10:30	86.5	↑0.6
12/22 10:40	87.2	↑0.7
12/22 10:50	88.1	↑0.9
12/22 11:00	89.1	↑1.0
12/22 11:10	90.3	↑1.2
12/22 11:20	91.6	↑1.3
12/22 11:30	93.0	↑1.4
12/22 11:40	94.6	↑1.6
12/22 11:50	96.3	↑1.7
12/22 12:00	98.0	↑1.7
12/22 12:10	99.8	↑1.8
12/22 12:20	101.7	↑1.9
12/22 12:30	103.6	↑1.9
12/22 12:40	105.5	↑1.9
12/22 12:50	107.4	↑1.9
12/22 13:00	109.3	↑1.9
12/22 13:10	111.1	↑1.8
12/22 13:20	112.9	↑1.8
12/22 13:30	114.7	↑1.8
12/22 13:40	116.3	↑1.6
12/22 13:50	117.8	↑1.5
12/22 14:00	119.2	↑1.4
12/22 14:10	120.5	↑1.3
12/22 14:20	121.6	↑1.1
12/22 14:30	122.6	↑1.0
12/22 14:40	123.3	↑0.7
12/22 14:50	123.9	↑0.6
12/22 15:00	124.3	↑0.4
12/22 15:10	124.4	↑0.1	満潮
12/22 15:20	124.3	↓-0.1
12/22 15:30	123.9	↓-0.4
12/22 15:40	123.4	↓-0.5
12/22 15:50	122.5	↓-0.9
12/22 16:00	121.4	↓-1.1
12/22 16:10	120.0	↓-1.4
12/22 16:20	118.4	↓-1.6
12/22 16:30	116.5	↓-1.9
12/22 16:40	114.4	↓-2.1
12/22 16:50	112.0	↓-2.4
12/22 17:00	109.3	↓-2.7
12/22 17:10	106.4	↓-2.9
12/22 17:20	103.3	↓-3.1
12/22 17:30	100.0	↓-3.3
12/22 17:40	96.4	↓-3.6
12/22 17:50	92.7	↓-3.7
12/22 18:00	88.8	↓-3.9
12/22 18:10	84.7	↓-4.1
12/22 18:20	80.5	↓-4.2
12/22 18:30	76.2	↓-4.3
12/22 18:40	71.8	↓-4.4
12/22 18:50	67.4	↓-4.4
12/22 19:00	62.9	↓-4.5	最大潮位差
12/22 19:10	58.4	↓-4.5	最大潮位差
12/22 19:20	53.9	↓-4.5	最大潮位差
12/22 19:30	49.5	↓-4.4
12/22 19:40	45.1	↓-4.4
12/22 19:50	40.8	↓-4.3
12/22 20:00	36.7	↓-4.1
12/22 20:10	32.7	↓-4.0
12/22 20:20	28.8	↓-3.9
12/22 20:30	25.2	↓-3.6
12/22 20:40	21.8	↓-3.4
12/22 20:50	18.6	↓-3.2
12/22 21:00	15.6	↓-3.0
12/22 21:10	12.9	↓-2.7
12/22 21:20	10.6	↓-2.3
12/22 21:30	8.5	↓-2.1
12/22 21:40	6.7	↓-1.8
12/22 21:50	5.2	↓-1.5
12/22 22:00	4.1	↓-1.1
12/22 22:10	3.3	↓-0.8
12/22 22:20	2.8	↓-0.5	干潮
12/22 22:30	2.7	↓-0.1	干潮
12/22 22:40	2.9	↑0.2
12/22 22:50	3.4	↑0.5
12/22 23:00	4.3	↑0.9
12/22 23:10	5.4	↑1.1
12/22 23:20	6.9	↑1.5
12/22 23:30	8.7	↑1.8
12/22 23:40	10.7	↑2.0
12/22 23:50	13.1	↑2.4