1 (日)	04:40	11:25	18:06	23:28
	131cm	-5cm	121cm	55cm
中潮 出 05:25 入 18:01 出 20:53 入 06:15 潮干狩り ◎ 08:59～13:50

日立（茨城）2029年04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
4/1 00:00	50.9	↑1.9
4/1 00:10	53.2	↑2.3
4/1 00:20	55.7	↑2.5
4/1 00:30	58.5	↑2.8
4/1 00:40	61.6	↑3.1
4/1 00:50	64.9	↑3.3
4/1 01:00	68.4	↑3.5
4/1 01:10	72.1	↑3.7
4/1 01:20	75.9	↑3.8
4/1 01:30	79.8	↑3.9
4/1 01:40	83.8	↑4.0
4/1 01:50	87.9	↑4.1
4/1 02:00	91.9	↑4.0
4/1 02:10	95.9	↑4.0
4/1 02:20	99.8	↑3.9
4/1 02:30	103.6	↑3.8
4/1 02:40	107.2	↑3.6
4/1 02:50	110.7	↑3.5
4/1 03:00	114.0	↑3.3
4/1 03:10	117.1	↑3.1
4/1 03:20	119.9	↑2.8
4/1 03:30	122.4	↑2.5
4/1 03:40	124.6	↑2.2
4/1 03:50	126.5	↑1.9
4/1 04:00	128.1	↑1.6
4/1 04:10	129.3	↑1.2
4/1 04:20	130.2	↑0.9
4/1 04:30	130.7	↑0.5	満潮
4/1 04:40	130.8	↑0.1	満潮
4/1 04:50	130.6	↓-0.2
4/1 05:00	130.0	↓-0.6
4/1 05:10	129.0	↓-1.0
4/1 05:20	127.7	↓-1.3
4/1 05:30	126.0	↓-1.7
4/1 05:40	123.9	↓-2.1
4/1 05:50	121.4	↓-2.5
4/1 06:00	118.6	↓-2.8
4/1 06:10	115.4	↓-3.2
4/1 06:20	111.9	↓-3.5
4/1 06:30	108.1	↓-3.8
4/1 06:40	103.9	↓-4.2
4/1 06:50	99.6	↓-4.3
4/1 07:00	94.9	↓-4.7
4/1 07:10	90.1	↓-4.8
4/1 07:20	85.1	↓-5.0
4/1 07:30	79.9	↓-5.2
4/1 07:40	74.6	↓-5.3
4/1 07:50	69.2	↓-5.4
4/1 08:00	63.8	↓-5.4
4/1 08:10	58.3	↓-5.5	最大潮位差
4/1 08:20	52.9	↓-5.4
4/1 08:30	47.6	↓-5.3
4/1 08:40	42.4	↓-5.2
4/1 08:50	37.3	↓-5.1
4/1 09:00	32.4	↓-4.9
4/1 09:10	27.7	↓-4.7
4/1 09:20	23.2	↓-4.5
4/1 09:30	19.0	↓-4.2
4/1 09:40	15.1	↓-3.9
4/1 09:50	11.4	↓-3.7
4/1 10:00	8.1	↓-3.3
4/1 10:10	5.1	↓-3.0
4/1 10:20	2.5	↓-2.6
4/1 10:30	0.2	↓-2.3
4/1 10:40	-1.8	↓-2.0
4/1 10:50	-3.3	↓-1.5
4/1 11:00	-4.5	↓-1.2
4/1 11:10	-5.2	↓-0.7
4/1 11:20	-5.6	↓-0.4	干潮
4/1 11:30	-5.6	0
4/1 11:40	-5.1	↑0.5
4/1 11:50	-4.3	↑0.8
4/1 12:00	-3.0	↑1.3
4/1 12:10	-1.4	↑1.6
4/1 12:20	0.6	↑2.0
4/1 12:30	3.0	↑2.4
4/1 12:40	5.7	↑2.7
4/1 12:50	8.8	↑3.1
4/1 13:00	12.2	↑3.4
4/1 13:10	16.0	↑3.8
4/1 13:20	20.0	↑4.0
4/1 13:30	24.2	↑4.2
4/1 13:40	28.7	↑4.5
4/1 13:50	33.3	↑4.6
4/1 14:00	38.1	↑4.8
4/1 14:10	43.0	↑4.9
4/1 14:20	48.0	↑5.0
4/1 14:30	53.0	↑5.0
4/1 14:40	58.0	↑5.0
4/1 14:50	63.0	↑5.0
4/1 15:00	68.0	↑5.0
4/1 15:10	72.8	↑4.8
4/1 15:20	77.6	↑4.8
4/1 15:30	82.2	↑4.6
4/1 15:40	86.6	↑4.4
4/1 15:50	90.8	↑4.2
4/1 16:00	94.8	↑4.0
4/1 16:10	98.5	↑3.7
4/1 16:20	102.0	↑3.5
4/1 16:30	105.3	↑3.3
4/1 16:40	108.2	↑2.9
4/1 16:50	110.9	↑2.7
4/1 17:00	113.2	↑2.3
4/1 17:10	115.2	↑2.0
4/1 17:20	116.9	↑1.7
4/1 17:30	118.3	↑1.4
4/1 17:40	119.3	↑1.0
4/1 17:50	120.0	↑0.7
4/1 18:00	120.4	↑0.4	満潮
4/1 18:10	120.4	0
4/1 18:20	120.1	↓-0.3
4/1 18:30	119.4	↓-0.7
4/1 18:40	118.4	↓-1.0
4/1 18:50	117.1	↓-1.3
4/1 19:00	115.5	↓-1.6
4/1 19:10	113.7	↓-1.8
4/1 19:20	111.6	↓-2.1
4/1 19:30	109.2	↓-2.4
4/1 19:40	106.6	↓-2.6
4/1 19:50	103.9	↓-2.7
4/1 20:00	100.9	↓-3.0
4/1 20:10	97.9	↓-3.0
4/1 20:20	94.8	↓-3.1
4/1 20:30	91.6	↓-3.2
4/1 20:40	88.4	↓-3.2
4/1 20:50	85.2	↓-3.2
4/1 21:00	82.0	↓-3.2
4/1 21:10	78.9	↓-3.1
4/1 21:20	75.9	↓-3.0
4/1 21:30	73.0	↓-2.9
4/1 21:40	70.2	↓-2.8
4/1 21:50	67.7	↓-2.5
4/1 22:00	65.3	↓-2.4
4/1 22:10	63.1	↓-2.2
4/1 22:20	61.2	↓-1.9
4/1 22:30	59.4	↓-1.8
4/1 22:40	58.0	↓-1.4
4/1 22:50	56.8	↓-1.2
4/1 23:00	55.9	↓-0.9
4/1 23:10	55.2	↓-0.7
4/1 23:20	54.9	↓-0.3	干潮
4/1 23:30	54.8	↓-0.1
4/1 23:40	55.0	↑0.2
4/1 23:50	55.6	↑0.6