1 (水)	01:18	07:05	13:11	19:58
	106cm	61cm	121cm	35cm
中潮 出 06:31 入 16:24 出 02:28 入 14:15

那珂湊（茨城）2021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	100.2	↑1.5
12/1 00:10	101.5	↑1.3
12/1 00:20	102.6	↑1.1
12/1 00:30	103.6	↑1.0
12/1 00:40	104.4	↑0.8
12/1 00:50	105.0	↑0.6
12/1 01:00	105.4	↑0.4
12/1 01:10	105.6	↑0.2	満潮
12/1 01:20	105.6	0
12/1 01:30	105.5	↓-0.1
12/1 01:40	105.1	↓-0.4
12/1 01:50	104.6	↓-0.5
12/1 02:00	103.9	↓-0.7
12/1 02:10	103.0	↓-0.9
12/1 02:20	102.0	↓-1.0
12/1 02:30	100.8	↓-1.2
12/1 02:40	99.5	↓-1.3
12/1 02:50	98.0	↓-1.5
12/1 03:00	96.5	↓-1.5
12/1 03:10	94.8	↓-1.7
12/1 03:20	93.0	↓-1.8
12/1 03:30	91.1	↓-1.9
12/1 03:40	89.2	↓-1.9
12/1 03:50	87.2	↓-2.0
12/1 04:00	85.2	↓-2.0
12/1 04:10	83.2	↓-2.0
12/1 04:20	81.2	↓-2.0
12/1 04:30	79.2	↓-2.0
12/1 04:40	77.2	↓-2.0
12/1 04:50	75.2	↓-2.0
12/1 05:00	73.3	↓-1.9
12/1 05:10	71.5	↓-1.8
12/1 05:20	69.8	↓-1.7
12/1 05:30	68.2	↓-1.6
12/1 05:40	66.7	↓-1.5
12/1 05:50	65.3	↓-1.4
12/1 06:00	64.1	↓-1.2
12/1 06:10	63.0	↓-1.1
12/1 06:20	62.1	↓-0.9
12/1 06:30	61.4	↓-0.7
12/1 06:40	60.8	↓-0.6
12/1 06:50	60.5	↓-0.3
12/1 07:00	60.3	↓-0.2	干潮
12/1 07:10	60.3	0
12/1 07:20	60.5	↑0.2
12/1 07:30	61.0	↑0.5
12/1 07:40	61.6	↑0.6
12/1 07:50	62.4	↑0.8
12/1 08:00	63.5	↑1.1
12/1 08:10	64.7	↑1.2
12/1 08:20	66.1	↑1.4
12/1 08:30	67.7	↑1.6
12/1 08:40	69.4	↑1.7
12/1 08:50	71.3	↑1.9
12/1 09:00	73.3	↑2.0
12/1 09:10	75.5	↑2.2
12/1 09:20	77.8	↑2.3
12/1 09:30	80.2	↑2.4
12/1 09:40	82.6	↑2.4
12/1 09:50	85.2	↑2.6
12/1 10:00	87.7	↑2.5
12/1 10:10	90.3	↑2.6
12/1 10:20	92.9	↑2.6
12/1 10:30	95.5	↑2.6
12/1 10:40	98.1	↑2.6
12/1 10:50	100.6	↑2.5
12/1 11:00	103.0	↑2.4
12/1 11:10	105.3	↑2.3
12/1 11:20	107.6	↑2.3
12/1 11:30	109.7	↑2.1
12/1 11:40	111.7	↑2.0
12/1 11:50	113.5	↑1.8
12/1 12:00	115.1	↑1.6
12/1 12:10	116.5	↑1.4
12/1 12:20	117.8	↑1.3
12/1 12:30	118.8	↑1.0
12/1 12:40	119.7	↑0.9
12/1 12:50	120.3	↑0.6
12/1 13:00	120.6	↑0.3
12/1 13:10	120.8	↑0.2	満潮
12/1 13:20	120.7	↓-0.1
12/1 13:30	120.3	↓-0.4
12/1 13:40	119.7	↓-0.6
12/1 13:50	118.9	↓-0.8
12/1 14:00	117.8	↓-1.1
12/1 14:10	116.5	↓-1.3
12/1 14:20	115.0	↓-1.5
12/1 14:30	113.2	↓-1.8
12/1 14:40	111.3	↓-1.9
12/1 14:50	109.1	↓-2.2
12/1 15:00	106.8	↓-2.3
12/1 15:10	104.2	↓-2.6
12/1 15:20	101.6	↓-2.6
12/1 15:30	98.7	↓-2.9
12/1 15:40	95.8	↓-2.9
12/1 15:50	92.7	↓-3.1
12/1 16:00	89.6	↓-3.1
12/1 16:10	86.3	↓-3.3
12/1 16:20	83.0	↓-3.3
12/1 16:30	79.7	↓-3.3
12/1 16:40	76.4	↓-3.3
12/1 16:50	73.0	↓-3.4	最大潮位差
12/1 17:00	69.7	↓-3.3
12/1 17:10	66.4	↓-3.3
12/1 17:20	63.2	↓-3.2
12/1 17:30	60.1	↓-3.1
12/1 17:40	57.1	↓-3.0
12/1 17:50	54.2	↓-2.9
12/1 18:00	51.4	↓-2.8
12/1 18:10	48.8	↓-2.6
12/1 18:20	46.4	↓-2.4
12/1 18:30	44.2	↓-2.2
12/1 18:40	42.2	↓-2.0
12/1 18:50	40.3	↓-1.9
12/1 19:00	38.8	↓-1.5
12/1 19:10	37.4	↓-1.4
12/1 19:20	36.3	↓-1.1
12/1 19:30	35.5	↓-0.8
12/1 19:40	34.9	↓-0.6
12/1 19:50	34.6	↓-0.3	干潮
12/1 20:00	34.6	0
12/1 20:10	34.8	↑0.2
12/1 20:20	35.3	↑0.5
12/1 20:30	36.0	↑0.7
12/1 20:40	37.1	↑1.1
12/1 20:50	38.3	↑1.2
12/1 21:00	39.8	↑1.5
12/1 21:10	41.5	↑1.7
12/1 21:20	43.5	↑2.0
12/1 21:30	45.6	↑2.1
12/1 21:40	47.9	↑2.3
12/1 21:50	50.5	↑2.6
12/1 22:00	53.1	↑2.6
12/1 22:10	55.9	↑2.8
12/1 22:20	58.8	↑2.9
12/1 22:30	61.8	↑3.0
12/1 22:40	64.9	↑3.1
12/1 22:50	68.1	↑3.2
12/1 23:00	71.3	↑3.2
12/1 23:10	74.4	↑3.1
12/1 23:20	77.6	↑3.2
12/1 23:30	80.8	↑3.2
12/1 23:40	83.9	↑3.1
12/1 23:50	87.0	↑3.1