22 (金)	04:35	09:36	15:00	22:07
	113cm	72cm	120cm	-8cm
大潮 出 06:18 入 17:27 出 06:01 入 16:29

那珂湊（茨城）2058年02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
2/22 00:00	30.2	↑4.1
2/22 00:10	34.4	↑4.2
2/22 00:20	38.7	↑4.3
2/22 00:30	43.1	↑4.4
2/22 00:40	47.5	↑4.4
2/22 00:50	51.9	↑4.4
2/22 01:00	56.3	↑4.4
2/22 01:10	60.7	↑4.4
2/22 01:20	65.0	↑4.3
2/22 01:30	69.2	↑4.2
2/22 01:40	73.4	↑4.2
2/22 01:50	77.4	↑4.0
2/22 02:00	81.3	↑3.9
2/22 02:10	85.0	↑3.7
2/22 02:20	88.6	↑3.6
2/22 02:30	91.9	↑3.3
2/22 02:40	95.1	↑3.2
2/22 02:50	98.0	↑2.9
2/22 03:00	100.7	↑2.7
2/22 03:10	103.1	↑2.4
2/22 03:20	105.3	↑2.2
2/22 03:30	107.2	↑1.9
2/22 03:40	108.8	↑1.6
2/22 03:50	110.1	↑1.3
2/22 04:00	111.2	↑1.1
2/22 04:10	112.0	↑0.8
2/22 04:20	112.5	↑0.5
2/22 04:30	112.7	↑0.2	満潮
2/22 04:40	112.7	0
2/22 04:50	112.4	↓-0.3
2/22 05:00	111.9	↓-0.5
2/22 05:10	111.1	↓-0.8
2/22 05:20	110.2	↓-0.9
2/22 05:30	109.0	↓-1.2
2/22 05:40	107.6	↓-1.4
2/22 05:50	106.1	↓-1.5
2/22 06:00	104.4	↓-1.7
2/22 06:10	102.5	↓-1.9
2/22 06:20	100.6	↓-1.9
2/22 06:30	98.6	↓-2.0
2/22 06:40	96.5	↓-2.1
2/22 06:50	94.3	↓-2.2
2/22 07:00	92.2	↓-2.1
2/22 07:10	90.0	↓-2.2
2/22 07:20	87.9	↓-2.1
2/22 07:30	85.8	↓-2.1
2/22 07:40	83.8	↓-2.0
2/22 07:50	81.9	↓-1.9
2/22 08:00	80.1	↓-1.8
2/22 08:10	78.4	↓-1.7
2/22 08:20	76.8	↓-1.6
2/22 08:30	75.4	↓-1.4
2/22 08:40	74.2	↓-1.2
2/22 08:50	73.2	↓-1.0
2/22 09:00	72.3	↓-0.9
2/22 09:10	71.7	↓-0.6
2/22 09:20	71.3	↓-0.4
2/22 09:30	71.1	↓-0.2	干潮
2/22 09:40	71.0	↓-0.1
2/22 09:50	71.3	↑0.3
2/22 10:00	71.7	↑0.4
2/22 10:10	72.3	↑0.6
2/22 10:20	73.2	↑0.9
2/22 10:30	74.2	↑1.0
2/22 10:40	75.5	↑1.3
2/22 10:50	76.9	↑1.4
2/22 11:00	78.4	↑1.5
2/22 11:10	80.2	↑1.8
2/22 11:20	82.1	↑1.9
2/22 11:30	84.0	↑1.9
2/22 11:40	86.2	↑2.2
2/22 11:50	88.3	↑2.1
2/22 12:00	90.6	↑2.3
2/22 12:10	92.9	↑2.3
2/22 12:20	95.3	↑2.4
2/22 12:30	97.6	↑2.3
2/22 12:40	99.9	↑2.3
2/22 12:50	102.2	↑2.3
2/22 13:00	104.5	↑2.3
2/22 13:10	106.7	↑2.2
2/22 13:20	108.7	↑2.0
2/22 13:30	110.7	↑2.0
2/22 13:40	112.5	↑1.8
2/22 13:50	114.2	↑1.7
2/22 14:00	115.7	↑1.5
2/22 14:10	117.0	↑1.3
2/22 14:20	118.1	↑1.1
2/22 14:30	118.9	↑0.8
2/22 14:40	119.5	↑0.6
2/22 14:50	119.9	↑0.4	満潮
2/22 15:00	120.0	↑0.1	満潮
2/22 15:10	119.8	↓-0.2
2/22 15:20	119.3	↓-0.5
2/22 15:30	118.6	↓-0.7
2/22 15:40	117.5	↓-1.1
2/22 15:50	116.2	↓-1.3
2/22 16:00	114.5	↓-1.7
2/22 16:10	112.6	↓-1.9
2/22 16:20	110.4	↓-2.2
2/22 16:30	107.8	↓-2.6
2/22 16:40	105.0	↓-2.8
2/22 16:50	102.0	↓-3.0
2/22 17:00	98.6	↓-3.4
2/22 17:10	95.1	↓-3.5
2/22 17:20	91.3	↓-3.8
2/22 17:30	87.3	↓-4.0
2/22 17:40	83.1	↓-4.2
2/22 17:50	78.7	↓-4.4
2/22 18:00	74.2	↓-4.5
2/22 18:10	69.6	↓-4.6
2/22 18:20	64.9	↓-4.7
2/22 18:30	60.2	↓-4.7
2/22 18:40	55.4	↓-4.8
2/22 18:50	50.5	↓-4.9	最大潮位差
2/22 19:00	45.7	↓-4.8
2/22 19:10	41.0	↓-4.7
2/22 19:20	36.3	↓-4.7
2/22 19:30	31.8	↓-4.5
2/22 19:40	27.3	↓-4.5
2/22 19:50	23.1	↓-4.2
2/22 20:00	19.0	↓-4.1
2/22 20:10	15.1	↓-3.9
2/22 20:20	11.5	↓-3.6
2/22 20:30	8.1	↓-3.4
2/22 20:40	5.0	↓-3.1
2/22 20:50	2.2	↓-2.8
2/22 21:00	-0.3	↓-2.5
2/22 21:10	-2.5	↓-2.2
2/22 21:20	-4.3	↓-1.8
2/22 21:30	-5.8	↓-1.5
2/22 21:40	-6.9	↓-1.1
2/22 21:50	-7.7	↓-0.8
2/22 22:00	-8.1	↓-0.4	干潮
2/22 22:10	-8.1	0
2/22 22:20	-7.8	↑0.3
2/22 22:30	-7.1	↑0.7
2/22 22:40	-6.0	↑1.1
2/22 22:50	-4.6	↑1.4
2/22 23:00	-2.9	↑1.7
2/22 23:10	-0.8	↑2.1
2/22 23:20	1.5	↑2.3
2/22 23:30	4.2	↑2.7
2/22 23:40	7.1	↑2.9
2/22 23:50	10.4	↑3.3