22 (水)	07:11	11:33	16:26	-
	119cm	96cm	121cm	-
中潮 出 06:46 入 16:28 出 19:01 入 09:09

那珂湊（茨城）2021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	2.8	↑0.8
12/22 00:10	3.9	↑1.1
12/22 00:20	5.3	↑1.4
12/22 00:30	7.0	↑1.7
12/22 00:40	8.9	↑1.9
12/22 00:50	11.1	↑2.2
12/22 01:00	13.6	↑2.5
12/22 01:10	16.3	↑2.7
12/22 01:20	19.1	↑2.8
12/22 01:30	22.2	↑3.1
12/22 01:40	25.5	↑3.3
12/22 01:50	28.9	↑3.4
12/22 02:00	32.5	↑3.6
12/22 02:10	36.2	↑3.7
12/22 02:20	40.0	↑3.8
12/22 02:30	43.8	↑3.8
12/22 02:40	47.8	↑4.0
12/22 02:50	51.8	↑4.0
12/22 03:00	55.8	↑4.0
12/22 03:10	59.9	↑4.1
12/22 03:20	63.9	↑4.0
12/22 03:30	67.9	↑4.0
12/22 03:40	71.9	↑4.0
12/22 03:50	75.8	↑3.9
12/22 04:00	79.6	↑3.8
12/22 04:10	83.3	↑3.7
12/22 04:20	86.9	↑3.6
12/22 04:30	90.4	↑3.5
12/22 04:40	93.7	↑3.3
12/22 04:50	96.8	↑3.1
12/22 05:00	99.8	↑3.0
12/22 05:10	102.6	↑2.8
12/22 05:20	105.2	↑2.6
12/22 05:30	107.6	↑2.4
12/22 05:40	109.8	↑2.2
12/22 05:50	111.7	↑1.9
12/22 06:00	113.4	↑1.7
12/22 06:10	114.9	↑1.5
12/22 06:20	116.1	↑1.2
12/22 06:30	117.1	↑1.0
12/22 06:40	117.9	↑0.8
12/22 06:50	118.4	↑0.5
12/22 07:00	118.8	↑0.4
12/22 07:10	118.9	↑0.1	満潮
12/22 07:20	118.8	↓-0.1
12/22 07:30	118.5	↓-0.3
12/22 07:40	118.0	↓-0.5
12/22 07:50	117.3	↓-0.7
12/22 08:00	116.5	↓-0.8
12/22 08:10	115.6	↓-0.9
12/22 08:20	114.5	↓-1.1
12/22 08:30	113.4	↓-1.1
12/22 08:40	112.1	↓-1.3
12/22 08:50	110.8	↓-1.3
12/22 09:00	109.5	↓-1.3
12/22 09:10	108.1	↓-1.4
12/22 09:20	106.8	↓-1.3
12/22 09:30	105.4	↓-1.4
12/22 09:40	104.1	↓-1.3
12/22 09:50	102.8	↓-1.3
12/22 10:00	101.7	↓-1.1
12/22 10:10	100.5	↓-1.2
12/22 10:20	99.5	↓-1.0
12/22 10:30	98.6	↓-0.9
12/22 10:40	97.8	↓-0.8
12/22 10:50	97.2	↓-0.6
12/22 11:00	96.6	↓-0.6
12/22 11:10	96.3	↓-0.3
12/22 11:20	96.0	↓-0.3
12/22 11:30	95.9	↓-0.1	干潮
12/22 11:40	95.9	0
12/22 11:50	96.1	↑0.2
12/22 12:00	96.4	↑0.3
12/22 12:10	96.9	↑0.5
12/22 12:20	97.5	↑0.6
12/22 12:30	98.2	↑0.7
12/22 12:40	99.0	↑0.8
12/22 12:50	99.9	↑0.9
12/22 13:00	100.9	↑1.0
12/22 13:10	102.0	↑1.1
12/22 13:20	103.2	↑1.2
12/22 13:30	104.4	↑1.2
12/22 13:40	105.6	↑1.2
12/22 13:50	106.9	↑1.3
12/22 14:00	108.2	↑1.3
12/22 14:10	109.6	↑1.4
12/22 14:20	110.9	↑1.3
12/22 14:30	112.1	↑1.2
12/22 14:40	113.4	↑1.3
12/22 14:50	114.6	↑1.2
12/22 15:00	115.7	↑1.1
12/22 15:10	116.8	↑1.1
12/22 15:20	117.7	↑0.9
12/22 15:30	118.6	↑0.9
12/22 15:40	119.4	↑0.8
12/22 15:50	120.0	↑0.6
12/22 16:00	120.5	↑0.5
12/22 16:10	120.8	↑0.3
12/22 16:20	121.0	↑0.2	満潮
12/22 16:30	121.0	0
12/22 16:40	120.8	↓-0.2
12/22 16:50	120.4	↓-0.4
12/22 17:00	119.8	↓-0.6
12/22 17:10	119.0	↓-0.8
12/22 17:20	118.1	↓-0.9
12/22 17:30	116.8	↓-1.3
12/22 17:40	115.4	↓-1.4
12/22 17:50	113.8	↓-1.6
12/22 18:00	111.9	↓-1.9
12/22 18:10	109.8	↓-2.1
12/22 18:20	107.5	↓-2.3
12/22 18:30	104.9	↓-2.6
12/22 18:40	102.2	↓-2.7
12/22 18:50	99.2	↓-3.0
12/22 19:00	96.1	↓-3.1
12/22 19:10	92.8	↓-3.3
12/22 19:20	89.3	↓-3.5
12/22 19:30	85.6	↓-3.7
12/22 19:40	81.8	↓-3.8
12/22 19:50	77.9	↓-3.9
12/22 20:00	73.9	↓-4.0
12/22 20:10	69.8	↓-4.1
12/22 20:20	65.7	↓-4.1
12/22 20:30	61.5	↓-4.2	最大潮位差
12/22 20:40	57.3	↓-4.2	最大潮位差
12/22 20:50	53.1	↓-4.2	最大潮位差
12/22 21:00	48.9	↓-4.2	最大潮位差
12/22 21:10	44.9	↓-4.0
12/22 21:20	40.8	↓-4.1
12/22 21:30	36.9	↓-3.9
12/22 21:40	33.2	↓-3.7
12/22 21:50	29.6	↓-3.6
12/22 22:00	26.1	↓-3.5
12/22 22:10	22.9	↓-3.2
12/22 22:20	19.9	↓-3.0
12/22 22:30	17.1	↓-2.8
12/22 22:40	14.5	↓-2.6
12/22 22:50	12.2	↓-2.3
12/22 23:00	10.2	↓-2.0
12/22 23:10	8.5	↓-1.7
12/22 23:20	7.1	↓-1.4
12/22 23:30	6.0	↓-1.1
12/22 23:40	5.1	↓-0.9
12/22 23:50	4.6	↓-0.5