29 (日)	04:27	11:26	18:25	23:28
	134cm	-5cm	122cm	73cm
中潮 出 04:47 入 18:25 出 21:01 入 06:05 潮干狩り ◎ 08:58～13:56

日立（茨城）2040年04月29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
4/29 00:00	68.5	↑1.6
4/29 00:10	70.4	↑1.9
4/29 00:20	72.5	↑2.1
4/29 00:30	74.9	↑2.4
4/29 00:40	77.5	↑2.6
4/29 00:50	80.2	↑2.7
4/29 01:00	83.2	↑3.0
4/29 01:10	86.3	↑3.1
4/29 01:20	89.5	↑3.2
4/29 01:30	92.8	↑3.3
4/29 01:40	96.2	↑3.4
4/29 01:50	99.6	↑3.4
4/29 02:00	103.0	↑3.4
4/29 02:10	106.3	↑3.3
4/29 02:20	109.6	↑3.3
4/29 02:30	112.8	↑3.2
4/29 02:40	115.8	↑3.0
4/29 02:50	118.7	↑2.9
4/29 03:00	121.4	↑2.7
4/29 03:10	123.9	↑2.5
4/29 03:20	126.1	↑2.2
4/29 03:30	128.0	↑1.9
4/29 03:40	129.7	↑1.7
4/29 03:50	131.0	↑1.3
4/29 04:00	132.0	↑1.0
4/29 04:10	132.7	↑0.7
4/29 04:20	133.1	↑0.4	満潮
4/29 04:30	133.1	0
4/29 04:40	132.8	↓-0.3
4/29 04:50	132.1	↓-0.7
4/29 05:00	131.1	↓-1.0
4/29 05:10	129.7	↓-1.4
4/29 05:20	128.0	↓-1.7
4/29 05:30	125.9	↓-2.1
4/29 05:40	123.5	↓-2.4
4/29 05:50	120.8	↓-2.7
4/29 06:00	117.8	↓-3.0
4/29 06:10	114.4	↓-3.4
4/29 06:20	110.7	↓-3.7
4/29 06:30	106.8	↓-3.9
4/29 06:40	102.6	↓-4.2
4/29 06:50	98.1	↓-4.5
4/29 07:00	93.5	↓-4.6
4/29 07:10	88.6	↓-4.9
4/29 07:20	83.6	↓-5.0
4/29 07:30	78.5	↓-5.1
4/29 07:40	73.2	↓-5.3
4/29 07:50	67.9	↓-5.3
4/29 08:00	62.5	↓-5.4	最大潮位差
4/29 08:10	57.2	↓-5.3
4/29 08:20	51.9	↓-5.3
4/29 08:30	46.6	↓-5.3
4/29 08:40	41.5	↓-5.1
4/29 08:50	36.5	↓-5.0
4/29 09:00	31.7	↓-4.8
4/29 09:10	27.0	↓-4.7
4/29 09:20	22.6	↓-4.4
4/29 09:30	18.5	↓-4.1
4/29 09:40	14.6	↓-3.9
4/29 09:50	11.0	↓-3.6
4/29 10:00	7.8	↓-3.2
4/29 10:10	4.8	↓-3.0
4/29 10:20	2.2	↓-2.6
4/29 10:30	0.0	↓-2.2
4/29 10:40	-1.9	0
4/29 10:50	-3.4	↓-1.5
4/29 11:00	-4.5	↓-1.1
4/29 11:10	-5.3	↓-0.8
4/29 11:20	-5.7	↓-0.4	干潮
4/29 11:30	-5.7	0
4/29 11:40	-5.3	↑0.4
4/29 11:50	-4.5	↑0.8
4/29 12:00	-3.4	↑1.1
4/29 12:10	-1.9	↑1.5
4/29 12:20	0.0	↑1.9
4/29 12:30	2.2	0
4/29 12:40	4.7	↑2.5
4/29 12:50	7.6	↑2.9
4/29 13:00	10.8	↑3.2
4/29 13:10	14.3	↑3.5
4/29 13:20	18.1	↑3.8
4/29 13:30	22.1	↑4.0
4/29 13:40	26.3	↑4.2
4/29 13:50	30.7	↑4.4
4/29 14:00	35.3	↑4.6
4/29 14:10	40.0	↑4.7
4/29 14:20	44.9	↑4.9
4/29 14:30	49.7	↑4.8
4/29 14:40	54.7	↑5.0
4/29 14:50	59.6	↑4.9
4/29 15:00	64.4	↑4.8
4/29 15:10	69.3	↑4.9
4/29 15:20	74.0	↑4.7
4/29 15:30	78.6	↑4.6
4/29 15:40	83.0	↑4.4
4/29 15:50	87.3	↑4.3
4/29 16:00	91.4	↑4.1
4/29 16:10	95.3	↑3.9
4/29 16:20	99.0	↑3.7
4/29 16:30	102.4	↑3.4
4/29 16:40	105.6	↑3.2
4/29 16:50	108.5	↑2.9
4/29 17:00	111.1	↑2.6
4/29 17:10	113.4	↑2.3
4/29 17:20	115.5	↑2.1
4/29 17:30	117.3	↑1.8
4/29 17:40	118.7	↑1.4
4/29 17:50	119.9	↑1.2
4/29 18:00	120.8	↑0.9
4/29 18:10	121.3	↑0.5
4/29 18:20	121.6	↑0.3	満潮
4/29 18:30	121.6	0
4/29 18:40	121.3	↓-0.3
4/29 18:50	120.7	↓-0.6
4/29 19:00	119.8	↓-0.9
4/29 19:10	118.6	↓-1.2
4/29 19:20	117.3	↓-1.3
4/29 19:30	115.7	↓-1.6
4/29 19:40	113.8	↓-1.9
4/29 19:50	111.8	↓-2.0
4/29 20:00	109.7	↓-2.1
4/29 20:10	107.4	↓-2.3
4/29 20:20	105.0	↓-2.4
4/29 20:30	102.5	↓-2.5
4/29 20:40	99.9	↓-2.6
4/29 20:50	97.4	↓-2.5
4/29 21:00	94.8	↓-2.6
4/29 21:10	92.3	↓-2.5
4/29 21:20	89.9	↓-2.4
4/29 21:30	87.5	↓-2.4
4/29 21:40	85.2	↓-2.3
4/29 21:50	83.1	↓-2.1
4/29 22:00	81.1	↓-2.0
4/29 22:10	79.3	↓-1.8
4/29 22:20	77.7	↓-1.6
4/29 22:30	76.3	↓-1.4
4/29 22:40	75.0	↓-1.3
4/29 22:50	74.0	↓-1.0
4/29 23:00	73.3	↓-0.7
4/29 23:10	72.7	↓-0.6
4/29 23:20	72.4	↓-0.3	干潮
4/29 23:30	72.4	0
4/29 23:40	72.6	↑0.2
4/29 23:50	73.0	↑0.4