11 (土)	04:44	10:00	15:41	22:30
	115cm	61cm	123cm	2cm
大潮 出 06:31 入 17:15 出 06:00 入 17:21

那珂湊（茨城）2051年02月11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
2/11 00:00	26.8	↑3.7
2/11 00:10	30.6	↑3.8
2/11 00:20	34.6	↑4.0
2/11 00:30	38.7	↑4.1
2/11 00:40	43.0	↑4.3
2/11 00:50	47.3	↑4.3
2/11 01:00	51.6	↑4.3
2/11 01:10	55.9	↑4.3
2/11 01:20	60.3	↑4.4
2/11 01:30	64.6	↑4.3
2/11 01:40	68.9	↑4.3
2/11 01:50	73.1	↑4.2
2/11 02:00	77.2	↑4.1
2/11 02:10	81.2	↑4.0
2/11 02:20	85.0	↑3.8
2/11 02:30	88.7	↑3.7
2/11 02:40	92.2	↑3.5
2/11 02:50	95.4	↑3.2
2/11 03:00	98.5	↑3.1
2/11 03:10	101.3	↑2.8
2/11 03:20	103.9	↑2.6
2/11 03:30	106.1	↑2.2
2/11 03:40	108.2	↑2.1
2/11 03:50	109.9	↑1.7
2/11 04:00	111.3	↑1.4
2/11 04:10	112.5	↑1.2
2/11 04:20	113.3	↑0.8
2/11 04:30	113.8	↑0.5
2/11 04:40	114.1	↑0.3	満潮
2/11 04:50	114.0	↓-0.1
2/11 05:00	113.7	↓-0.3
2/11 05:10	113.0	↓-0.7
2/11 05:20	112.1	↓-0.9
2/11 05:30	111.0	↓-1.1
2/11 05:40	109.6	↓-1.4
2/11 05:50	108.0	↓-1.6
2/11 06:00	106.1	↓-1.9
2/11 06:10	104.1	↓-2.0
2/11 06:20	101.9	↓-2.2
2/11 06:30	99.6	↓-2.3
2/11 06:40	97.2	↓-2.4
2/11 06:50	94.7	↓-2.5
2/11 07:00	92.1	↓-2.6
2/11 07:10	89.4	↓-2.7
2/11 07:20	86.8	↓-2.6
2/11 07:30	84.1	↓-2.7
2/11 07:40	81.5	↓-2.6
2/11 07:50	78.9	↓-2.6
2/11 08:00	76.5	↓-2.4
2/11 08:10	74.1	↓-2.4
2/11 08:20	71.9	↓-2.2
2/11 08:30	69.8	↓-2.1
2/11 08:40	67.9	↓-1.9
2/11 08:50	66.1	↓-1.8
2/11 09:00	64.6	↓-1.5
2/11 09:10	63.3	↓-1.3
2/11 09:20	62.2	↓-1.1
2/11 09:30	61.4	↓-0.8
2/11 09:40	60.8	↓-0.6
2/11 09:50	60.4	↓-0.4	干潮
2/11 10:00	60.3	↓-0.1	干潮
2/11 10:10	60.5	↑0.2
2/11 10:20	60.9	↑0.4
2/11 10:30	61.6	↑0.7
2/11 10:40	62.5	↑0.9
2/11 10:50	63.6	↑1.1
2/11 11:00	65.0	↑1.4
2/11 11:10	66.6	↑1.6
2/11 11:20	68.4	↑1.8
2/11 11:30	70.4	↑2.0
2/11 11:40	72.5	↑2.1
2/11 11:50	74.8	↑2.3
2/11 12:00	77.3	↑2.5
2/11 12:10	79.8	↑2.5
2/11 12:20	82.5	↑2.7
2/11 12:30	85.2	↑2.7
2/11 12:40	88.0	↑2.8
2/11 12:50	90.8	↑2.8
2/11 13:00	93.7	↑2.9
2/11 13:10	96.5	↑2.8
2/11 13:20	99.3	↑2.8
2/11 13:30	102.0	↑2.7
2/11 13:40	104.7	↑2.7
2/11 13:50	107.2	↑2.5
2/11 14:00	109.6	↑2.4
2/11 14:10	111.9	↑2.3
2/11 14:20	114.0	↑2.1
2/11 14:30	116.0	↑2.0
2/11 14:40	117.7	↑1.7
2/11 14:50	119.2	↑1.5
2/11 15:00	120.4	↑1.2
2/11 15:10	121.4	↑1.0
2/11 15:20	122.1	↑0.7
2/11 15:30	122.6	↑0.5
2/11 15:40	122.7	↑0.1	満潮
2/11 15:50	122.6	↓-0.1
2/11 16:00	122.1	↓-0.5
2/11 16:10	121.3	↓-0.8
2/11 16:20	120.3	↓-1.0
2/11 16:30	118.8	↓-1.5
2/11 16:40	117.1	↓-1.7
2/11 16:50	115.1	↓-2.0
2/11 17:00	112.7	↓-2.4
2/11 17:10	110.1	↓-2.6
2/11 17:20	107.2	↓-2.9
2/11 17:30	104.0	↓-3.2
2/11 17:40	100.5	↓-3.5
2/11 17:50	96.8	↓-3.7
2/11 18:00	92.9	↓-3.9
2/11 18:10	88.8	↓-4.1
2/11 18:20	84.6	↓-4.2
2/11 18:30	80.1	↓-4.5
2/11 18:40	75.6	↓-4.5
2/11 18:50	70.9	↓-4.7
2/11 19:00	66.2	↓-4.7
2/11 19:10	61.5	↓-4.7
2/11 19:20	56.7	↓-4.8	最大潮位差
2/11 19:30	52.0	↓-4.7
2/11 19:40	47.3	↓-4.7
2/11 19:50	42.8	↓-4.5
2/11 20:00	38.3	↓-4.5
2/11 20:10	34.0	↓-4.3
2/11 20:20	29.8	↓-4.2
2/11 20:30	25.9	↓-3.9
2/11 20:40	22.2	↓-3.7
2/11 20:50	18.7	↓-3.5
2/11 21:00	15.5	↓-3.2
2/11 21:10	12.5	↓-3.0
2/11 21:20	9.9	↓-2.6
2/11 21:30	7.6	↓-2.3
2/11 21:40	5.7	↓-1.9
2/11 21:50	4.1	↓-1.6
2/11 22:00	2.8	↓-1.3
2/11 22:10	2.0	↓-0.8
2/11 22:20	1.4	↓-0.6	干潮
2/11 22:30	1.3	↓-0.1	干潮
2/11 22:40	1.5	↑0.2
2/11 22:50	2.0	↑0.5
2/11 23:00	3.0	↑1.0
2/11 23:10	4.2	↑1.2
2/11 23:20	5.8	↑1.6
2/11 23:30	7.8	↑2.0
2/11 23:40	10.0	↑2.2
2/11 23:50	12.5	↑2.5