11 (金)	00:52	06:36	12:43	19:37
	103cm	62cm	120cm	34cm
中潮 出 06:39 入 16:24 出 02:15 入 13:54

那珂湊（茨城）2020年12月11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
12/11 00:00	100.6	↑1.0
12/11 00:10	101.4	↑0.8
12/11 00:20	102.0	↑0.6
12/11 00:30	102.5	↑0.5
12/11 00:40	102.8	↑0.3
12/11 00:50	102.9	↑0.1	満潮
12/11 01:00	102.8	↓-0.1
12/11 01:10	102.5	↓-0.3
12/11 01:20	102.1	↓-0.4
12/11 01:30	101.5	↓-0.6
12/11 01:40	100.8	↓-0.7
12/11 01:50	99.9	↓-0.9
12/11 02:00	98.8	↓-1.1
12/11 02:10	97.6	↓-1.2
12/11 02:20	96.3	↓-1.3
12/11 02:30	94.9	↓-1.4
12/11 02:40	93.4	↓-1.5
12/11 02:50	91.8	↓-1.6
12/11 03:00	90.1	↓-1.7
12/11 03:10	88.4	↓-1.7
12/11 03:20	86.6	↓-1.8
12/11 03:30	84.8	↓-1.8
12/11 03:40	82.9	↓-1.9
12/11 03:50	81.1	↓-1.8
12/11 04:00	79.2	↓-1.9
12/11 04:10	77.4	↓-1.8
12/11 04:20	75.6	↓-1.8
12/11 04:30	73.9	↓-1.7
12/11 04:40	72.2	↓-1.7
12/11 04:50	70.7	↓-1.5
12/11 05:00	69.2	↓-1.5
12/11 05:10	67.8	↓-1.4
12/11 05:20	66.5	↓-1.3
12/11 05:30	65.4	↓-1.1
12/11 05:40	64.3	↓-1.1
12/11 05:50	63.5	↓-0.8
12/11 06:00	62.8	↓-0.7
12/11 06:10	62.2	↓-0.6
12/11 06:20	61.9	↓-0.3
12/11 06:30	61.7	↓-0.2	干潮
12/11 06:40	61.7	0
12/11 06:50	61.9	↑0.2
12/11 07:00	62.2	↑0.3
12/11 07:10	62.8	↑0.6
12/11 07:20	63.5	↑0.7
12/11 07:30	64.4	↑0.9
12/11 07:40	65.5	↑1.1
12/11 07:50	66.8	↑1.3
12/11 08:00	68.3	↑1.5
12/11 08:10	69.9	↑1.6
12/11 08:20	71.6	↑1.7
12/11 08:30	73.5	↑1.9
12/11 08:40	75.5	↑2.0
12/11 08:50	77.6	↑2.1
12/11 09:00	79.9	↑2.3
12/11 09:10	82.2	↑2.3
12/11 09:20	84.6	↑2.4
12/11 09:30	87.0	↑2.4
12/11 09:40	89.5	↑2.5
12/11 09:50	91.9	↑2.4
12/11 10:00	94.4	↑2.5
12/11 10:10	96.8	↑2.4
12/11 10:20	99.2	↑2.4
12/11 10:30	101.6	↑2.4
12/11 10:40	103.8	↑2.2
12/11 10:50	106.0	↑2.2
12/11 11:00	108.0	↑2.0
12/11 11:10	109.9	↑1.9
12/11 11:20	111.7	↑1.8
12/11 11:30	113.3	↑1.6
12/11 11:40	114.7	↑1.4
12/11 11:50	116.0	↑1.3
12/11 12:00	117.0	↑1.0
12/11 12:10	117.9	↑0.9
12/11 12:20	118.5	↑0.6
12/11 12:30	118.9	↑0.4
12/11 12:40	119.0	↑0.1	満潮
12/11 12:50	119.0	0
12/11 13:00	118.7	↓-0.3
12/11 13:10	118.1	↓-0.6
12/11 13:20	117.4	↓-0.7
12/11 13:30	116.4	↓-1.0
12/11 13:40	115.2	↓-1.2
12/11 13:50	113.7	↓-1.5
12/11 14:00	112.1	↓-1.6
12/11 14:10	110.2	↓-1.9
12/11 14:20	108.2	↓-2.0
12/11 14:30	106.0	↓-2.2
12/11 14:40	103.6	↓-2.4
12/11 14:50	101.0	↓-2.6
12/11 15:00	98.3	↓-2.7
12/11 15:10	95.5	↓-2.8
12/11 15:20	92.5	↓-3.0
12/11 15:30	89.5	↓-3.0
12/11 15:40	86.4	↓-3.1
12/11 15:50	83.2	↓-3.2
12/11 16:00	80.0	↓-3.2
12/11 16:10	76.7	↓-3.3	最大潮位差
12/11 16:20	73.5	↓-3.2
12/11 16:30	70.2	↓-3.3	最大潮位差
12/11 16:40	67.0	↓-3.2
12/11 16:50	63.9	↓-3.1
12/11 17:00	60.8	↓-3.1
12/11 17:10	57.8	↓-3.0
12/11 17:20	54.9	↓-2.9
12/11 17:30	52.1	↓-2.8
12/11 17:40	49.5	↓-2.6
12/11 17:50	47.0	↓-2.5
12/11 18:00	44.7	↓-2.3
12/11 18:10	42.6	↓-2.1
12/11 18:20	40.7	↓-1.9
12/11 18:30	38.9	↓-1.8
12/11 18:40	37.4	↓-1.5
12/11 18:50	36.2	↓-1.2
12/11 19:00	35.2	↓-1.0
12/11 19:10	34.4	↓-0.8
12/11 19:20	33.9	↓-0.5
12/11 19:30	33.6	↓-0.3	干潮
12/11 19:40	33.6	0
12/11 19:50	33.8	↑0.2
12/11 20:00	34.3	↑0.5
12/11 20:10	35.1	↑0.8
12/11 20:20	36.0	↑0.9
12/11 20:30	37.3	↑1.3
12/11 20:40	38.7	↑1.4
12/11 20:50	40.4	↑1.7
12/11 21:00	42.3	↑1.9
12/11 21:10	44.4	↑2.1
12/11 21:20	46.6	↑2.2
12/11 21:30	49.1	↑2.5
12/11 21:40	51.6	↑2.5
12/11 21:50	54.3	↑2.7
12/11 22:00	57.2	↑2.9
12/11 22:10	60.1	↑2.9
12/11 22:20	63.1	↑3.0
12/11 22:30	66.1	↑3.0
12/11 22:40	69.2	↑3.1
12/11 22:50	72.2	↑3.0
12/11 23:00	75.3	↑3.1
12/11 23:10	78.4	↑3.1
12/11 23:20	81.4	↑3.0
12/11 23:30	84.3	↑2.9
12/11 23:40	87.1	↑2.8
12/11 23:50	89.9	↑2.8