7 (火)	07:13	11:42	16:42	-
	126cm	99cm	129cm	-
中潮 出 06:36 入 16:24 出 09:42 入 19:21

那珂湊（茨城）2021年12月7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
12/7 00:00	-6.5	↑0.7
12/7 00:10	-5.4	↑1.1
12/7 00:20	-4.0	↑1.4
12/7 00:30	-2.2	↑1.8
12/7 00:40	-0.1	↑2.1
12/7 00:50	2.2	↑2.3
12/7 01:00	4.9	↑2.7
12/7 01:10	7.8	↑2.9
12/7 01:20	11.0	↑3.2
12/7 01:30	14.4	↑3.4
12/7 01:40	18.0	↑3.6
12/7 01:50	21.9	↑3.9
12/7 02:00	25.9	↑4.0
12/7 02:10	30.0	↑4.1
12/7 02:20	34.3	↑4.3
12/7 02:30	38.7	↑4.4
12/7 02:40	43.2	↑4.5
12/7 02:50	47.8	↑4.6
12/7 03:00	52.4	↑4.6
12/7 03:10	57.0	↑4.6
12/7 03:20	61.6	↑4.6
12/7 03:30	66.2	↑4.6
12/7 03:40	70.8	↑4.6
12/7 03:50	75.3	↑4.5
12/7 04:00	79.7	↑4.4
12/7 04:10	84.0	↑4.3
12/7 04:20	88.2	↑4.2
12/7 04:30	92.2	↑4.0
12/7 04:40	96.1	↑3.9
12/7 04:50	99.8	↑3.7
12/7 05:00	103.2	↑3.4
12/7 05:10	106.5	↑3.3
12/7 05:20	109.5	↑3.0
12/7 05:30	112.3	↑2.8
12/7 05:40	114.9	↑2.6
12/7 05:50	117.2	↑2.3
12/7 06:00	119.2	↑2.0
12/7 06:10	121.0	↑1.8
12/7 06:20	122.4	↑1.4
12/7 06:30	123.7	↑1.3
12/7 06:40	124.6	↑0.9
12/7 06:50	125.3	↑0.7
12/7 07:00	125.7	↑0.4
12/7 07:10	125.9	↑0.2	満潮
12/7 07:20	125.8	↓-0.1
12/7 07:30	125.5	↓-0.3
12/7 07:40	125.0	↓-0.5
12/7 07:50	124.3	↓-0.7
12/7 08:00	123.4	↓-0.9
12/7 08:10	122.4	↓-1.0
12/7 08:20	121.2	↓-1.2
12/7 08:30	119.9	↓-1.3
12/7 08:40	118.5	↓-1.4
12/7 08:50	117.0	↓-1.5
12/7 09:00	115.5	↓-1.5
12/7 09:10	113.9	↓-1.6
12/7 09:20	112.3	↓-1.6
12/7 09:30	110.7	↓-1.6
12/7 09:40	109.2	↓-1.5
12/7 09:50	107.7	↓-1.5
12/7 10:00	106.3	↓-1.4
12/7 10:10	104.9	↓-1.4
12/7 10:20	103.7	↓-1.2
12/7 10:30	102.6	↓-1.1
12/7 10:40	101.5	↓-1.1
12/7 10:50	100.7	↓-0.8
12/7 11:00	99.9	↓-0.8
12/7 11:10	99.4	↓-0.5
12/7 11:20	99.0	↓-0.4
12/7 11:30	98.7	↓-0.3
12/7 11:40	98.6	↓-0.1	干潮
12/7 11:50	98.7	↑0.1
12/7 12:00	98.9	↑0.2
12/7 12:10	99.3	↑0.4
12/7 12:20	99.8	↑0.5
12/7 12:30	100.5	↑0.7
12/7 12:40	101.3	↑0.8
12/7 12:50	102.2	↑0.9
12/7 13:00	103.3	↑1.1
12/7 13:10	104.4	↑1.1
12/7 13:20	105.7	↑1.3
12/7 13:30	107.0	↑1.3
12/7 13:40	108.4	↑1.4
12/7 13:50	109.9	↑1.5
12/7 14:00	111.4	↑1.5
12/7 14:10	113.0	↑1.6
12/7 14:20	114.5	↑1.5
12/7 14:30	116.1	↑1.6
12/7 14:40	117.6	↑1.5
12/7 14:50	119.1	↑1.5
12/7 15:00	120.5	↑1.4
12/7 15:10	121.9	↑1.4
12/7 15:20	123.2	↑1.3
12/7 15:30	124.4	↑1.2
12/7 15:40	125.5	↑1.1
12/7 15:50	126.5	↑1.0
12/7 16:00	127.3	↑0.8
12/7 16:10	128.0	↑0.7
12/7 16:20	128.5	↑0.5
12/7 16:30	128.8	↑0.3
12/7 16:40	128.9	↑0.1	満潮
12/7 16:50	128.8	↓-0.1
12/7 17:00	128.5	↓-0.3
12/7 17:10	128.0	↓-0.5
12/7 17:20	127.2	↓-0.8
12/7 17:30	126.2	↓-1.0
12/7 17:40	124.9	↓-1.3
12/7 17:50	123.4	↓-1.5
12/7 18:00	121.6	↓-1.8
12/7 18:10	119.5	↓-2.1
12/7 18:20	117.2	↓-2.3
12/7 18:30	114.6	↓-2.6
12/7 18:40	111.8	↓-2.8
12/7 18:50	108.8	↓-3.0
12/7 19:00	105.5	↓-3.3
12/7 19:10	102.0	↓-3.5
12/7 19:20	98.2	↓-3.8
12/7 19:30	94.3	↓-3.9
12/7 19:40	90.2	↓-4.1
12/7 19:50	86.0	↓-4.2
12/7 20:00	81.6	↓-4.4
12/7 20:10	77.1	↓-4.5
12/7 20:20	72.5	↓-4.6
12/7 20:30	67.8	↓-4.7	最大潮位差
12/7 20:40	63.1	↓-4.7	最大潮位差
12/7 20:50	58.4	↓-4.7	最大潮位差
12/7 21:00	53.7	↓-4.7	最大潮位差
12/7 21:10	49.0	↓-4.7	最大潮位差
12/7 21:20	44.4	↓-4.6
12/7 21:30	39.9	↓-4.5
12/7 21:40	35.4	↓-4.5
12/7 21:50	31.2	↓-4.2
12/7 22:00	27.1	↓-4.1
12/7 22:10	23.2	↓-3.9
12/7 22:20	19.5	↓-3.7
12/7 22:30	16.0	↓-3.5
12/7 22:40	12.8	↓-3.2
12/7 22:50	9.9	↓-2.9
12/7 23:00	7.2	↓-2.7
12/7 23:10	4.9	↓-2.3
12/7 23:20	2.8	↓-2.1
12/7 23:30	1.0	↓-1.8
12/7 23:40	-0.4	↓-1.4
12/7 23:50	-1.5	↓-1.1