13 (日)	04:22	09:41	15:18	22:07
	111cm	63cm	122cm	6cm
大潮 出 06:28 入 17:18 出 16:30 入 05:23

日立（茨城）2033年02月13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
2/13 00:00	38.8	↑3.7
2/13 00:10	42.6	↑3.8
2/13 00:20	46.5	↑3.9
2/13 00:30	50.5	↑4.0
2/13 00:40	54.4	↑3.9
2/13 00:50	58.4	↑4.0
2/13 01:00	62.3	↑3.9
2/13 01:10	66.2	↑3.9
2/13 01:20	70.0	↑3.8
2/13 01:30	73.8	↑3.8
2/13 01:40	77.4	↑3.6
2/13 01:50	80.9	↑3.5
2/13 02:00	84.3	↑3.4
2/13 02:10	87.6	↑3.3
2/13 02:20	90.7	↑3.1
2/13 02:30	93.6	↑2.9
2/13 02:40	96.3	↑2.7
2/13 02:50	98.8	↑2.5
2/13 03:00	101.1	↑2.3
2/13 03:10	103.1	↑2.0
2/13 03:20	104.9	↑1.8
2/13 03:30	106.5	↑1.6
2/13 03:40	107.8	↑1.3
2/13 03:50	108.8	↑1.0
2/13 04:00	109.5	↑0.7
2/13 04:10	110.0	↑0.5
2/13 04:20	110.1	↑0.1	満潮
2/13 04:30	110.0	↓-0.1
2/13 04:40	109.7	↓-0.3
2/13 04:50	109.0	↓-0.7
2/13 05:00	108.1	↓-0.9
2/13 05:10	107.0	↓-1.1
2/13 05:20	105.7	↓-1.3
2/13 05:30	104.1	↓-1.6
2/13 05:40	102.4	↓-1.7
2/13 05:50	100.5	↓-1.9
2/13 06:00	98.5	↓-2.0
2/13 06:10	96.4	↓-2.1
2/13 06:20	94.2	↓-2.2
2/13 06:30	91.9	↓-2.3
2/13 06:40	89.7	↓-2.2
2/13 06:50	87.4	↓-2.3
2/13 07:00	85.1	↓-2.3
2/13 07:10	82.8	↓-2.3
2/13 07:20	80.6	↓-2.2
2/13 07:30	78.4	↓-2.2
2/13 07:40	76.3	↓-2.1
2/13 07:50	74.4	↓-1.9
2/13 08:00	72.5	↓-1.9
2/13 08:10	70.8	↓-1.7
2/13 08:20	69.1	↓-1.7
2/13 08:30	67.7	↓-1.4
2/13 08:40	66.4	↓-1.3
2/13 08:50	65.2	↓-1.2
2/13 09:00	64.3	↓-0.9
2/13 09:10	63.5	↓-0.8
2/13 09:20	62.9	↓-0.6
2/13 09:30	62.6	↓-0.3
2/13 09:40	62.5	↓-0.1	干潮
2/13 09:50	62.6	↑0.1
2/13 10:00	62.9	↑0.3
2/13 10:10	63.5	↑0.6
2/13 10:20	64.3	↑0.8
2/13 10:30	65.4	↑1.1
2/13 10:40	66.6	↑1.2
2/13 10:50	68.2	↑1.6
2/13 11:00	69.9	↑1.7
2/13 11:10	71.8	↑1.9
2/13 11:20	73.9	↑2.1
2/13 11:30	76.2	↑2.3
2/13 11:40	78.6	↑2.4
2/13 11:50	81.1	↑2.5
2/13 12:00	83.7	↑2.6
2/13 12:10	86.4	↑2.7
2/13 12:20	89.2	↑2.8
2/13 12:30	91.9	↑2.7
2/13 12:40	94.7	↑2.8
2/13 12:50	97.4	↑2.7
2/13 13:00	100.1	↑2.7
2/13 13:10	102.6	↑2.5
2/13 13:20	105.1	↑2.5
2/13 13:30	107.5	↑2.4
2/13 13:40	109.7	↑2.2
2/13 13:50	111.8	↑2.1
2/13 14:00	113.7	↑1.9
2/13 14:10	115.4	↑1.7
2/13 14:20	117.0	↑1.6
2/13 14:30	118.3	↑1.3
2/13 14:40	119.4	↑1.1
2/13 14:50	120.2	↑0.8
2/13 15:00	120.8	↑0.6
2/13 15:10	121.2	↑0.4	満潮
2/13 15:20	121.2	0
2/13 15:30	121.0	↓-0.2
2/13 15:40	120.5	↓-0.5
2/13 15:50	119.7	↓-0.8
2/13 16:00	118.6	↓-1.1
2/13 16:10	117.1	↓-1.5
2/13 16:20	115.4	↓-1.7
2/13 16:30	113.3	↓-2.1
2/13 16:40	111.0	↓-2.3
2/13 16:50	108.3	↓-2.7
2/13 17:00	105.4	↓-2.9
2/13 17:10	102.2	↓-3.2
2/13 17:20	98.7	↓-3.5
2/13 17:30	95.0	↓-3.7
2/13 17:40	91.1	↓-3.9
2/13 17:50	87.0	↓-4.1
2/13 18:00	82.8	↓-4.2
2/13 18:10	78.4	↓-4.4
2/13 18:20	73.9	↓-4.5
2/13 18:30	69.4	↓-4.5
2/13 18:40	64.9	↓-4.5
2/13 18:50	60.3	↓-4.6	最大潮位差
2/13 19:00	55.8	↓-4.5
2/13 19:10	51.3	↓-4.5
2/13 19:20	47.0	↓-4.3
2/13 19:30	42.7	↓-4.3
2/13 19:40	38.6	↓-4.1
2/13 19:50	34.6	↓-4.0
2/13 20:00	30.9	↓-3.7
2/13 20:10	27.3	↓-3.6
2/13 20:20	23.9	↓-3.4
2/13 20:30	20.8	↓-3.1
2/13 20:40	17.9	↓-2.9
2/13 20:50	15.3	↓-2.6
2/13 21:00	13.0	↓-2.3
2/13 21:10	10.9	↓-2.1
2/13 21:20	9.2	↓-1.7
2/13 21:30	7.8	↓-1.4
2/13 21:40	6.7	↓-1.1
2/13 21:50	6.0	↓-0.7
2/13 22:00	5.6	↓-0.4	干潮
2/13 22:10	5.5	↓-0.1
2/13 22:20	5.8	↑0.3
2/13 22:30	6.5	↑0.7
2/13 22:40	7.6	↑1.1
2/13 22:50	9.0	↑1.4
2/13 23:00	10.7	↑1.7
2/13 23:10	12.8	↑2.1
2/13 23:20	15.2	↑2.4
2/13 23:30	17.9	↑2.7
2/13 23:40	20.9	↑3.0
2/13 23:50	24.1	↑3.2