11 (金)	06:11	11:33	17:08	23:58
	122cm	60cm	130cm	2cm
中潮 出 06:31 入 17:15 出 19:27 入 07:56

日立（茨城）2039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	-3.3	↑1.2
2/11 00:10	-1.7	↑1.6
2/11 00:20	0.2	↑1.9
2/11 00:30	2.6	↑2.4
2/11 00:40	5.3	↑2.7
2/11 00:50	8.4	↑3.1
2/11 01:00	11.7	↑3.3
2/11 01:10	15.4	↑3.7
2/11 01:20	19.4	↑4.0
2/11 01:30	23.6	↑4.2
2/11 01:40	28.1	↑4.5
2/11 01:50	32.7	↑4.6
2/11 02:00	37.5	↑4.8
2/11 02:10	42.4	↑4.9
2/11 02:20	47.4	↑5.0
2/11 02:30	52.4	↑5.0
2/11 02:40	57.5	↑5.1	最大潮位差
2/11 02:50	62.5	↑5.0
2/11 03:00	67.5	↑5.0
2/11 03:10	72.4	↑4.9
2/11 03:20	77.2	↑4.8
2/11 03:30	81.8	↑4.6
2/11 03:40	86.3	↑4.5
2/11 03:50	90.6	↑4.3
2/11 04:00	94.7	↑4.1
2/11 04:10	98.5	↑3.8
2/11 04:20	102.1	↑3.6
2/11 04:30	105.4	↑3.3
2/11 04:40	108.5	↑3.1
2/11 04:50	111.3	↑2.8
2/11 05:00	113.7	↑2.4
2/11 05:10	115.9	↑2.2
2/11 05:20	117.7	↑1.8
2/11 05:30	119.2	↑1.5
2/11 05:40	120.4	↑1.2
2/11 05:50	121.3	↑0.9
2/11 06:00	121.8	↑0.5
2/11 06:10	122.0	↑0.2	満潮
2/11 06:20	121.8	↓-0.2
2/11 06:30	121.3	↓-0.5
2/11 06:40	120.6	↓-0.7
2/11 06:50	119.4	↓-1.2
2/11 07:00	118.0	↓-1.4
2/11 07:10	116.4	↓-1.6
2/11 07:20	114.4	↓-2.0
2/11 07:30	112.3	↓-2.1
2/11 07:40	109.9	↓-2.4
2/11 07:50	107.3	↓-2.6
2/11 08:00	104.6	↓-2.7
2/11 08:10	101.7	↓-2.9
2/11 08:20	98.8	↓-2.9
2/11 08:30	95.8	↓-3.0
2/11 08:40	92.8	↓-3.0
2/11 08:50	89.7	↓-3.1
2/11 09:00	86.7	↓-3.0
2/11 09:10	83.8	↓-2.9
2/11 09:20	80.9	↓-2.9
2/11 09:30	78.2	↓-2.7
2/11 09:40	75.5	↓-2.7
2/11 09:50	73.1	↓-2.4
2/11 10:00	70.8	↓-2.3
2/11 10:10	68.6	↓-2.2
2/11 10:20	66.7	↓-1.9
2/11 10:30	65.0	↓-1.7
2/11 10:40	63.6	↓-1.4
2/11 10:50	62.3	↓-1.3
2/11 11:00	61.3	↓-1.0
2/11 11:10	60.6	↓-0.7
2/11 11:20	60.2	↓-0.4
2/11 11:30	60.0	↓-0.2	干潮
2/11 11:40	60.0	0
2/11 11:50	60.4	↑0.4
2/11 12:00	61.0	↑0.6
2/11 12:10	61.9	↑0.9
2/11 12:20	63.1	↑1.2
2/11 12:30	64.5	↑1.4
2/11 12:40	66.2	↑1.7
2/11 12:50	68.2	↑2.0
2/11 13:00	70.4	↑2.2
2/11 13:10	72.8	↑2.4
2/11 13:20	75.4	↑2.6
2/11 13:30	78.2	↑2.8
2/11 13:40	81.2	↑3.0
2/11 13:50	84.3	↑3.1
2/11 14:00	87.5	↑3.2
2/11 14:10	90.8	↑3.3
2/11 14:20	94.1	↑3.3
2/11 14:30	97.4	↑3.3
2/11 14:40	100.7	↑3.3
2/11 14:50	104.0	↑3.3
2/11 15:00	107.2	↑3.2
2/11 15:10	110.2	↑3.0
2/11 15:20	113.1	↑2.9
2/11 15:30	115.9	↑2.8
2/11 15:40	118.5	↑2.6
2/11 15:50	120.8	↑2.3
2/11 16:00	122.9	↑2.1
2/11 16:10	124.8	↑1.9
2/11 16:20	126.4	↑1.6
2/11 16:30	127.7	↑1.3
2/11 16:40	128.7	↑1.0
2/11 16:50	129.4	↑0.7
2/11 17:00	129.7	↑0.3	満潮
2/11 17:10	129.8	↑0.1
2/11 17:20	129.5	↓-0.3
2/11 17:30	128.9	↓-0.6
2/11 17:40	128.0	↓-0.9
2/11 17:50	126.8	↓-1.2
2/11 18:00	125.2	↓-1.6
2/11 18:10	123.2	↓-2.0
2/11 18:20	121.0	↓-2.2
2/11 18:30	118.4	↓-2.6
2/11 18:40	115.5	↓-2.9
2/11 18:50	112.3	↓-3.2
2/11 19:00	108.8	↓-3.5
2/11 19:10	105.1	↓-3.7
2/11 19:20	101.1	↓-4.0
2/11 19:30	96.8	↓-4.3
2/11 19:40	92.4	↓-4.4
2/11 19:50	87.7	↓-4.7
2/11 20:00	83.0	↓-4.7
2/11 20:10	78.1	↓-4.9
2/11 20:20	73.1	↓-5.0
2/11 20:30	68.0	↓-5.1	最大潮位差
2/11 20:40	63.0	↓-5.0
2/11 20:50	57.9	↓-5.1	最大潮位差
2/11 21:00	52.9	↓-5.0
2/11 21:10	48.0	↓-4.9
2/11 21:20	43.2	↓-4.8
2/11 21:30	38.5	↓-4.7
2/11 21:40	34.1	↓-4.4
2/11 21:50	29.8	↓-4.3
2/11 22:00	25.7	↓-4.1
2/11 22:10	21.9	↓-3.8
2/11 22:20	18.4	↓-3.5
2/11 22:30	15.1	↓-3.3
2/11 22:40	12.2	↓-2.9
2/11 22:50	9.6	↓-2.6
2/11 23:00	7.3	↓-2.3
2/11 23:10	5.4	↓-1.9
2/11 23:20	3.8	↓-1.6
2/11 23:30	2.6	↓-1.2
2/11 23:40	1.8	↓-0.8
2/11 23:50	1.3	↓-0.5	干潮