5 (日)	05:28	10:20	15:29	22:51
	130cm	90cm	132cm	-8cm
大潮 出 06:34 入 16:24 出 07:28 入 17:07

那珂湊（茨城）2021年12月5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
12/5 00:00	18.8	↑3.5
12/5 00:10	22.6	↑3.8
12/5 00:20	26.6	↑4.0
12/5 00:30	30.7	↑4.1
12/5 00:40	35.1	↑4.4
12/5 00:50	39.5	↑4.4
12/5 01:00	44.1	↑4.6
12/5 01:10	48.8	↑4.7
12/5 01:20	53.5	↑4.7
12/5 01:30	58.2	↑4.7
12/5 01:40	63.0	↑4.8
12/5 01:50	67.8	↑4.8
12/5 02:00	72.5	↑4.7
12/5 02:10	77.2	↑4.7
12/5 02:20	81.7	↑4.5
12/5 02:30	86.2	↑4.5
12/5 02:40	90.5	↑4.3
12/5 02:50	94.7	↑4.2
12/5 03:00	98.7	↑4.0
12/5 03:10	102.6	↑3.9
12/5 03:20	106.2	↑3.6
12/5 03:30	109.6	↑3.4
12/5 03:40	112.7	↑3.1
12/5 03:50	115.6	↑2.9
12/5 04:00	118.2	↑2.6
12/5 04:10	120.6	↑2.4
12/5 04:20	122.6	↑2.0
12/5 04:30	124.4	↑1.8
12/5 04:40	125.9	↑1.5
12/5 04:50	127.1	↑1.2
12/5 05:00	128.0	↑0.9
12/5 05:10	128.6	↑0.6
12/5 05:20	129.0	↑0.4	満潮
12/5 05:30	129.0	0
12/5 05:40	128.8	↓-0.2
12/5 05:50	128.3	↓-0.5
12/5 06:00	127.6	↓-0.7
12/5 06:10	126.7	↓-0.9
12/5 06:20	125.5	↓-1.2
12/5 06:30	124.2	↓-1.3
12/5 06:40	122.6	↓-1.6
12/5 06:50	120.9	↓-1.7
12/5 07:00	119.1	↓-1.8
12/5 07:10	117.2	↓-1.9
12/5 07:20	115.2	↓-2.0
12/5 07:30	113.1	↓-2.1
12/5 07:40	111.0	↓-2.1
12/5 07:50	108.9	↓-2.1
12/5 08:00	106.8	↓-2.1
12/5 08:10	104.8	↓-2.0
12/5 08:20	102.7	↓-2.1
12/5 08:30	100.8	↓-1.9
12/5 08:40	99.0	↓-1.8
12/5 08:50	97.3	↓-1.7
12/5 09:00	95.7	↓-1.6
12/5 09:10	94.3	↓-1.4
12/5 09:20	93.0	↓-1.3
12/5 09:30	91.9	↓-1.1
12/5 09:40	91.0	↓-0.9
12/5 09:50	90.3	↓-0.7
12/5 10:00	89.8	↓-0.5
12/5 10:10	89.5	↓-0.3	干潮
12/5 10:20	89.5	0	干潮
12/5 10:30	89.6	↑0.1
12/5 10:40	89.9	↑0.3
12/5 10:50	90.5	↑0.6
12/5 11:00	91.2	↑0.7
12/5 11:10	92.1	↑0.9
12/5 11:20	93.2	↑1.1
12/5 11:30	94.5	↑1.3
12/5 11:40	95.9	↑1.4
12/5 11:50	97.5	↑1.6
12/5 12:00	99.2	↑1.7
12/5 12:10	101.0	↑1.8
12/5 12:20	102.9	↑1.9
12/5 12:30	104.9	↑2.0
12/5 12:40	106.9	↑2.0
12/5 12:50	109.0	↑2.1
12/5 13:00	111.0	↑2.0
12/5 13:10	113.1	↑2.1
12/5 13:20	115.2	↑2.1
12/5 13:30	117.2	↑2.0
12/5 13:40	119.2	↑2.0
12/5 13:50	121.1	↑1.9
12/5 14:00	122.9	↑1.8
12/5 14:10	124.5	↑1.6
12/5 14:20	126.0	↑1.5
12/5 14:30	127.4	↑1.4
12/5 14:40	128.6	↑1.2
12/5 14:50	129.6	↑1.0
12/5 15:00	130.4	↑0.8
12/5 15:10	130.9	↑0.5
12/5 15:20	131.2	↑0.3	満潮
12/5 15:30	131.3	↑0.1
12/5 15:40	131.1	↓-0.2
12/5 15:50	130.7	↓-0.4
12/5 16:00	129.9	↓-0.8
12/5 16:10	128.9	↓-1.0
12/5 16:20	127.6	↓-1.3
12/5 16:30	126.0	↓-1.6
12/5 16:40	124.1	↓-1.9
12/5 16:50	121.9	↓-2.2
12/5 17:00	119.4	↓-2.5
12/5 17:10	116.6	↓-2.8
12/5 17:20	113.5	↓-3.1
12/5 17:30	110.2	↓-3.3
12/5 17:40	106.6	↓-3.6
12/5 17:50	102.8	↓-3.8
12/5 18:00	98.7	↓-4.1
12/5 18:10	94.4	↓-4.3
12/5 18:20	90.0	↓-4.4
12/5 18:30	85.3	↓-4.7
12/5 18:40	80.5	↓-4.8
12/5 18:50	75.6	↓-4.9
12/5 19:00	70.6	↓-5.0
12/5 19:10	65.6	↓-5.0
12/5 19:20	60.5	↓-5.1	最大潮位差
12/5 19:30	55.4	↓-5.1	最大潮位差
12/5 19:40	50.3	↓-5.1	最大潮位差
12/5 19:50	45.2	↓-5.1	最大潮位差
12/5 20:00	40.3	↓-4.9
12/5 20:10	35.4	↓-4.9
12/5 20:20	30.7	↓-4.7
12/5 20:30	26.1	↓-4.6
12/5 20:40	21.8	↓-4.3
12/5 20:50	17.6	↓-4.2
12/5 21:00	13.7	↓-3.9
12/5 21:10	10.1	↓-3.6
12/5 21:20	6.7	↓-3.4
12/5 21:30	3.7	↓-3.0
12/5 21:40	1.0	↓-2.7
12/5 21:50	-1.4	↓-2.4
12/5 22:00	-3.5	↓-2.1
12/5 22:10	-5.1	↓-1.6
12/5 22:20	-6.4	↓-1.3
12/5 22:30	-7.4	↓-1.0
12/5 22:40	-7.9	↓-0.5
12/5 22:50	-8.1	↓-0.2	干潮
12/5 23:00	-7.9	↑0.2
12/5 23:10	-7.3	↑0.6
12/5 23:20	-6.4	↑0.9
12/5 23:30	-5.1	↑1.3
12/5 23:40	-3.5	↑1.6
12/5 23:50	-1.5	↑2.0