1 (火)	05:35	10:59	16:36	23:24
	126cm	55cm	137cm	-1cm
大潮 出 06:39 入 17:05 出 07:09 入 18:47

日立（茨城）2033年02月1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
2/1 00:00	3.7	↑2.6
2/1 00:10	6.8	↑3.1
2/1 00:20	10.1	↑3.3
2/1 00:30	13.8	↑3.7
2/1 00:40	17.8	↑4.0
2/1 00:50	22.1	↑4.3
2/1 01:00	26.6	↑4.5
2/1 01:10	31.3	↑4.7
2/1 01:20	36.2	↑4.9
2/1 01:30	41.2	↑5.0
2/1 01:40	46.3	↑5.1
2/1 01:50	51.4	↑5.1
2/1 02:00	56.6	↑5.2
2/1 02:10	61.8	↑5.2
2/1 02:20	67.0	↑5.2
2/1 02:30	72.1	↑5.1
2/1 02:40	77.1	↑5.0
2/1 02:50	81.9	↑4.8
2/1 03:00	86.6	↑4.7
2/1 03:10	91.1	↑4.5
2/1 03:20	95.5	↑4.4
2/1 03:30	99.5	↑4.0
2/1 03:40	103.4	↑3.9
2/1 03:50	107.0	↑3.6
2/1 04:00	110.3	↑3.3
2/1 04:10	113.4	↑3.1
2/1 04:20	116.1	↑2.7
2/1 04:30	118.5	↑2.4
2/1 04:40	120.6	↑2.1
2/1 04:50	122.3	↑1.7
2/1 05:00	123.7	↑1.4
2/1 05:10	124.8	↑1.1
2/1 05:20	125.5	↑0.7
2/1 05:30	125.8	↑0.3	満潮
2/1 05:40	125.8	0
2/1 05:50	125.4	↓-0.4
2/1 06:00	124.6	↓-0.8
2/1 06:10	123.5	↓-1.1
2/1 06:20	122.1	↓-1.4
2/1 06:30	120.3	↓-1.8
2/1 06:40	118.3	↓-2.0
2/1 06:50	115.9	↓-2.4
2/1 07:00	113.3	↓-2.6
2/1 07:10	110.5	↓-2.8
2/1 07:20	107.6	↓-2.9
2/1 07:30	104.4	↓-3.2
2/1 07:40	101.1	↓-3.3
2/1 07:50	97.8	↓-3.3
2/1 08:00	94.3	↓-3.5
2/1 08:10	90.9	↓-3.4
2/1 08:20	87.5	↓-3.4
2/1 08:30	84.1	↓-3.4
2/1 08:40	80.8	↓-3.3
2/1 08:50	77.6	↓-3.2
2/1 09:00	74.5	↓-3.1
2/1 09:10	71.6	↓-2.9
2/1 09:20	68.8	↓-2.8
2/1 09:30	66.3	↓-2.5
2/1 09:40	63.9	↓-2.4
2/1 09:50	61.8	↓-2.1
2/1 10:00	60.0	↓-1.8
2/1 10:10	58.4	↓-1.6
2/1 10:20	57.1	↓-1.3
2/1 10:30	56.1	↓-1.0
2/1 10:40	55.4	↓-0.7
2/1 10:50	54.9	↓-0.5	干潮
2/1 11:00	54.8	↓-0.1
2/1 11:10	55.1	↑0.3
2/1 11:20	55.6	↑0.5
2/1 11:30	56.5	↑0.9
2/1 11:40	57.6	↑1.1
2/1 11:50	59.1	↑1.5
2/1 12:00	60.9	↑1.8
2/1 12:10	63.1	↑2.2
2/1 12:20	65.5	↑2.4
2/1 12:30	68.1	↑2.6
2/1 12:40	71.0	↑2.9
2/1 12:50	74.2	↑3.2
2/1 13:00	77.5	↑3.3
2/1 13:10	81.0	↑3.5
2/1 13:20	84.7	↑3.7
2/1 13:30	88.5	↑3.8
2/1 13:40	92.3	↑3.8
2/1 13:50	96.1	↑3.8
2/1 14:00	100.0	↑3.9
2/1 14:10	103.8	↑3.8
2/1 14:20	107.5	↑3.7
2/1 14:30	111.1	↑3.6
2/1 14:40	114.6	↑3.5
2/1 14:50	117.9	↑3.3
2/1 15:00	120.9	↑3.0
2/1 15:10	123.8	↑2.9
2/1 15:20	126.4	↑2.6
2/1 15:30	128.7	↑2.3
2/1 15:40	130.7	↑2.0
2/1 15:50	132.4	↑1.7
2/1 16:00	133.8	↑1.4
2/1 16:10	134.9	↑1.1
2/1 16:20	135.6	↑0.7
2/1 16:30	136.0	↑0.4	満潮
2/1 16:40	136.0	0
2/1 16:50	135.6	↓-0.4
2/1 17:00	134.8	↓-0.8
2/1 17:10	133.7	↓-1.1
2/1 17:20	132.2	↓-1.5
2/1 17:30	130.4	↓-1.8
2/1 17:40	128.2	↓-2.2
2/1 17:50	125.6	↓-2.6
2/1 18:00	122.6	↓-3.0
2/1 18:10	119.4	↓-3.2
2/1 18:20	115.7	↓-3.7
2/1 18:30	111.8	↓-3.9
2/1 18:40	107.6	↓-4.2
2/1 18:50	103.2	↓-4.4
2/1 19:00	98.4	↓-4.8
2/1 19:10	93.5	↓-4.9
2/1 19:20	88.4	↓-5.1
2/1 19:30	83.2	↓-5.2
2/1 19:40	77.9	↓-5.3
2/1 19:50	72.4	↓-5.5	最大潮位差
2/1 20:00	67.0	↓-5.4
2/1 20:10	61.6	↓-5.4
2/1 20:20	56.2	↓-5.4
2/1 20:30	50.8	↓-5.4
2/1 20:40	45.6	↓-5.2
2/1 20:50	40.6	↓-5.0
2/1 21:00	35.7	↓-4.9
2/1 21:10	31.0	↓-4.7
2/1 21:20	26.6	↓-4.4
2/1 21:30	22.4	↓-4.2
2/1 21:40	18.5	↓-3.9
2/1 21:50	14.9	↓-3.6
2/1 22:00	11.6	↓-3.3
2/1 22:10	8.7	↓-2.9
2/1 22:20	6.0	↓-2.7
2/1 22:30	3.8	↓-2.2
2/1 22:40	1.9	↓-1.9
2/1 22:50	0.4	↓-1.5
2/1 23:00	-0.7	↓-1.1
2/1 23:10	-1.4	↓-0.7
2/1 23:20	-1.8	↓-0.4	干潮
2/1 23:30	-1.7	↑0.1
2/1 23:40	-1.2	↑0.5
2/1 23:50	-0.3	↑0.9