29 (月)	03:27	10:01	16:48	22:21
	115cm	2cm	118cm	51cm
大潮 出 04:47 入 18:25 出 04:49 入 18:32 潮干狩り ◎ 07:50～12:13

那珂湊（茨城）2052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	68.4	↑3.0
4/29 00:10	71.4	↑3.0
4/29 00:20	74.5	↑3.1
4/29 00:30	77.7	↑3.2
4/29 00:40	80.8	↑3.1
4/29 00:50	84.0	↑3.2
4/29 01:00	87.1	↑3.1
4/29 01:10	90.1	↑3.0
4/29 01:20	93.1	↑3.0
4/29 01:30	95.9	↑2.8
4/29 01:40	98.6	↑2.7
4/29 01:50	101.2	↑2.6
4/29 02:00	103.6	↑2.4
4/29 02:10	105.8	↑2.2
4/29 02:20	107.7	↑1.9
4/29 02:30	109.5	↑1.8
4/29 02:40	110.9	↑1.4
4/29 02:50	112.2	↑1.3
4/29 03:00	113.1	↑0.9
4/29 03:10	113.8	↑0.7
4/29 03:20	114.1	↑0.3	満潮
4/29 03:30	114.1	0
4/29 03:40	113.9	↓-0.2
4/29 03:50	113.3	↓-0.6
4/29 04:00	112.3	↓-1.0
4/29 04:10	111.1	↓-1.2
4/29 04:20	109.5	↓-1.6
4/29 04:30	107.6	↓-1.9
4/29 04:40	105.5	↓-2.1
4/29 04:50	103.0	↓-2.5
4/29 05:00	100.2	↓-2.8
4/29 05:10	97.2	↓-3.0
4/29 05:20	93.9	↓-3.3
4/29 05:30	90.4	↓-3.5
4/29 05:40	86.6	↓-3.8
4/29 05:50	82.7	↓-3.9
4/29 06:00	78.6	↓-4.1
4/29 06:10	74.4	↓-4.2
4/29 06:20	70.0	↓-4.4
4/29 06:30	65.6	↓-4.4
4/29 06:40	61.1	↓-4.5
4/29 06:50	56.5	↓-4.6	最大潮位差
4/29 07:00	52.0	↓-4.5
4/29 07:10	47.5	↓-4.5
4/29 07:20	43.1	↓-4.4
4/29 07:30	38.8	↓-4.3
4/29 07:40	34.6	↓-4.2
4/29 07:50	30.5	↓-4.1
4/29 08:00	26.6	↓-3.9
4/29 08:10	23.0	↓-3.6
4/29 08:20	19.5	↓-3.5
4/29 08:30	16.3	↓-3.2
4/29 08:40	13.4	↓-2.9
4/29 08:50	10.8	↓-2.6
4/29 09:00	8.5	↓-2.3
4/29 09:10	6.5	↓-2.0
4/29 09:20	4.9	↓-1.6
4/29 09:30	3.6	↓-1.3
4/29 09:40	2.7	↓-0.9
4/29 09:50	2.1	↓-0.6
4/29 10:00	1.9	↓-0.2	干潮
4/29 10:10	2.1	↑0.2
4/29 10:20	2.7	↑0.6
4/29 10:30	3.6	↑0.9
4/29 10:40	4.8	↑1.2
4/29 10:50	6.4	↑1.6
4/29 11:00	8.3	↑1.9
4/29 11:10	10.6	↑2.3
4/29 11:20	13.1	↑2.5
4/29 11:30	15.9	↑2.8
4/29 11:40	19.0	↑3.1
4/29 11:50	22.4	↑3.4
4/29 12:00	25.9	↑3.5
4/29 12:10	29.7	↑3.8
4/29 12:20	33.6	↑3.9
4/29 12:30	37.7	↑4.1
4/29 12:40	42.0	↑4.3
4/29 12:50	46.3	↑4.3
4/29 13:00	50.7	↑4.4
4/29 13:10	55.1	↑4.4
4/29 13:20	59.6	↑4.5
4/29 13:30	64.1	↑4.5
4/29 13:40	68.5	↑4.4
4/29 13:50	72.9	↑4.4
4/29 14:00	77.2	↑4.3
4/29 14:10	81.4	↑4.2
4/29 14:20	85.5	↑4.1
4/29 14:30	89.4	↑3.9
4/29 14:40	93.1	↑3.7
4/29 14:50	96.7	↑3.6
4/29 15:00	100.0	↑3.3
4/29 15:10	103.0	↑3.0
4/29 15:20	105.9	↑2.9
4/29 15:30	108.4	↑2.5
4/29 15:40	110.7	↑2.3
4/29 15:50	112.6	↑1.9
4/29 16:00	114.3	↑1.7
4/29 16:10	115.6	↑1.3
4/29 16:20	116.7	↑1.1
4/29 16:30	117.4	↑0.7
4/29 16:40	117.7	↑0.3	満潮
4/29 16:50	117.8	↑0.1
4/29 17:00	117.5	↓-0.3
4/29 17:10	116.9	↓-0.6
4/29 17:20	116.1	↓-0.8
4/29 17:30	114.9	↓-1.2
4/29 17:40	113.4	↓-1.5
4/29 17:50	111.7	↓-1.7
4/29 18:00	109.7	↓-2.0
4/29 18:10	107.5	↓-2.2
4/29 18:20	105.1	↓-2.4
4/29 18:30	102.5	↓-2.6
4/29 18:40	99.7	↓-2.8
4/29 18:50	96.8	↓-2.9
4/29 19:00	93.8	↓-3.0
4/29 19:10	90.7	↓-3.1
4/29 19:20	87.6	↓-3.1
4/29 19:30	84.4	↓-3.2
4/29 19:40	81.2	↓-3.2
4/29 19:50	78.1	↓-3.1
4/29 20:00	75.0	↓-3.1
4/29 20:10	72.0	↓-3.0
4/29 20:20	69.2	↓-2.8
4/29 20:30	66.4	↓-2.8
4/29 20:40	63.8	↓-2.6
4/29 20:50	61.4	↓-2.4
4/29 21:00	59.2	↓-2.2
4/29 21:10	57.3	↓-1.9
4/29 21:20	55.5	↓-1.8
4/29 21:30	54.0	↓-1.5
4/29 21:40	52.8	↓-1.2
4/29 21:50	51.8	↓-1.0
4/29 22:00	51.1	↓-0.7
4/29 22:10	50.7	↓-0.4
4/29 22:20	50.5	↓-0.2	干潮
4/29 22:30	50.6	↑0.1
4/29 22:40	51.1	↑0.5
4/29 22:50	51.7	↑0.6
4/29 23:00	52.7	↑1.0
4/29 23:10	53.9	↑1.2
4/29 23:20	55.3	↑1.4
4/29 23:30	57.0	↑1.7
4/29 23:40	58.9	↑1.9
4/29 23:50	61.0	↑2.1