1 (木)	05:55	11:25	17:07	23:48
	126cm	54cm	134cm	4cm
中潮 出 06:39 入 17:05 出 19:34 入 07:30

日立（茨城）2029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	-1.4	↑1.7
2/1 00:10	0.7	↑2.1
2/1 00:20	3.2	↑2.5
2/1 00:30	6.1	↑2.9
2/1 00:40	9.3	↑3.2
2/1 00:50	12.9	↑3.6
2/1 01:00	16.8	↑3.9
2/1 01:10	20.9	↑4.1
2/1 01:20	25.4	↑4.5
2/1 01:30	30.0	↑4.6
2/1 01:40	34.9	↑4.9
2/1 01:50	39.9	↑5.0
2/1 02:00	45.0	↑5.1
2/1 02:10	50.2	↑5.2
2/1 02:20	55.5	↑5.3	最大潮位差
2/1 02:30	60.7	↑5.2
2/1 02:40	65.9	↑5.2
2/1 02:50	71.1	↑5.2
2/1 03:00	76.1	↑5.0
2/1 03:10	81.1	↑5.0
2/1 03:20	85.9	↑4.8
2/1 03:30	90.5	↑4.6
2/1 03:40	94.8	↑4.3
2/1 03:50	99.0	↑4.2
2/1 04:00	102.9	↑3.9
2/1 04:10	106.6	↑3.7
2/1 04:20	109.9	↑3.3
2/1 04:30	113.0	↑3.1
2/1 04:40	115.8	↑2.8
2/1 04:50	118.2	↑2.4
2/1 05:00	120.3	↑2.1
2/1 05:10	122.0	↑1.7
2/1 05:20	123.5	↑1.5
2/1 05:30	124.5	↑1.0
2/1 05:40	125.2	↑0.7
2/1 05:50	125.5	↑0.3	満潮
2/1 06:00	125.5	0
2/1 06:10	125.1	↓-0.4
2/1 06:20	124.3	↓-0.8
2/1 06:30	123.3	↓-1.0
2/1 06:40	121.9	↓-1.4
2/1 06:50	120.1	↓-1.8
2/1 07:00	118.1	↓-2.0
2/1 07:10	115.8	↓-2.3
2/1 07:20	113.3	↓-2.5
2/1 07:30	110.5	↓-2.8
2/1 07:40	107.5	↓-3.0
2/1 07:50	104.4	↓-3.1
2/1 08:00	101.2	↓-3.2
2/1 08:10	97.8	↓-3.4
2/1 08:20	94.4	↓-3.4
2/1 08:30	91.0	↓-3.4
2/1 08:40	87.6	↓-3.4
2/1 08:50	84.2	↓-3.4
2/1 09:00	80.9	↓-3.3
2/1 09:10	77.6	↓-3.3
2/1 09:20	74.5	↓-3.1
2/1 09:30	71.6	↓-2.9
2/1 09:40	68.8	↓-2.8
2/1 09:50	66.1	↓-2.7
2/1 10:00	63.7	↓-2.4
2/1 10:10	61.6	↓-2.1
2/1 10:20	59.6	↓-2.0
2/1 10:30	57.9	↓-1.7
2/1 10:40	56.5	↓-1.4
2/1 10:50	55.3	↓-1.2
2/1 11:00	54.5	↓-0.8
2/1 11:10	53.9	↓-0.6
2/1 11:20	53.6	↓-0.3	干潮
2/1 11:30	53.6	0
2/1 11:40	54.0	↑0.4
2/1 11:50	54.6	↑0.6
2/1 12:00	55.6	↑1.0
2/1 12:10	56.8	↑1.2
2/1 12:20	58.4	↑1.6
2/1 12:30	60.2	↑1.8
2/1 12:40	62.4	↑2.2
2/1 12:50	64.8	↑2.4
2/1 13:00	67.4	↑2.6
2/1 13:10	70.3	↑2.9
2/1 13:20	73.4	↑3.1
2/1 13:30	76.7	↑3.3
2/1 13:40	80.1	↑3.4
2/1 13:50	83.7	↑3.6
2/1 14:00	87.3	↑3.6
2/1 14:10	91.0	↑3.7
2/1 14:20	94.8	↑3.8
2/1 14:30	98.5	↑3.7
2/1 14:40	102.2	↑3.7
2/1 14:50	105.8	↑3.6
2/1 15:00	109.3	↑3.5
2/1 15:10	112.6	↑3.3
2/1 15:20	115.8	↑3.2
2/1 15:30	118.8	↑3.0
2/1 15:40	121.5	↑2.7
2/1 15:50	124.1	↑2.6
2/1 16:00	126.3	↑2.2
2/1 16:10	128.3	↑2.0
2/1 16:20	130.0	↑1.7
2/1 16:30	131.4	↑1.4
2/1 16:40	132.5	↑1.1
2/1 16:50	133.2	↑0.7
2/1 17:00	133.6	↑0.4	満潮
2/1 17:10	133.7	↑0.1
2/1 17:20	133.3	↓-0.4
2/1 17:30	132.7	↓-0.6
2/1 17:40	131.7	↓-1.0
2/1 17:50	130.3	↓-1.4
2/1 18:00	128.5	↓-1.8
2/1 18:10	126.4	↓-2.1
2/1 18:20	124.0	↓-2.4
2/1 18:30	121.2	↓-2.8
2/1 18:40	118.1	↓-3.1
2/1 18:50	114.6	↓-3.5
2/1 19:00	110.9	↓-3.7
2/1 19:10	106.9	↓-4.0
2/1 19:20	102.6	↓-4.3
2/1 19:30	98.1	↓-4.5
2/1 19:40	93.4	↓-4.7
2/1 19:50	88.6	↓-4.8
2/1 20:00	83.6	↓-5.0
2/1 20:10	78.4	↓-5.2
2/1 20:20	73.3	↓-5.1
2/1 20:30	68.1	↓-5.2
2/1 20:40	62.9	↓-5.2
2/1 20:50	57.7	↓-5.2
2/1 21:00	52.6	↓-5.1
2/1 21:10	47.7	↓-4.9
2/1 21:20	42.8	↓-4.9
2/1 21:30	38.2	↓-4.6
2/1 21:40	33.7	↓-4.5
2/1 21:50	29.5	↓-4.2
2/1 22:00	25.6	↓-3.9
2/1 22:10	21.9	↓-3.7
2/1 22:20	18.5	↓-3.4
2/1 22:30	15.4	↓-3.1
2/1 22:40	12.7	↓-2.7
2/1 22:50	10.3	↓-2.4
2/1 23:00	8.3	↓-2.0
2/1 23:10	6.6	↓-1.7
2/1 23:20	5.3	↓-1.3
2/1 23:30	4.4	↓-0.9
2/1 23:40	4.0	↓-0.4	干潮
2/1 23:50	3.9	↓-0.1