9 (日)	03:26	09:51	16:20	22:05
	125cm	13cm	129cm	46cm
大潮 出 05:13 入 18:08 出 18:08 入 04:33 潮干狩り ◎ 08:03～11:37

大洗（茨城）2028年04月9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
4/9 00:00	69.9	↑3.8
4/9 00:10	73.8	↑3.9
4/9 00:20	77.7	↑3.9
4/9 00:30	81.7	↑4.0
4/9 00:40	85.6	↑3.9
4/9 00:50	89.5	↑3.9
4/9 01:00	93.3	↑3.8
4/9 01:10	97.0	↑3.7
4/9 01:20	100.6	↑3.6
4/9 01:30	104.0	↑3.4
4/9 01:40	107.3	↑3.3
4/9 01:50	110.3	↑3.0
4/9 02:00	113.0	↑2.7
4/9 02:10	115.6	↑2.6
4/9 02:20	117.8	↑2.2
4/9 02:30	119.8	↑2.0
4/9 02:40	121.4	↑1.6
4/9 02:50	122.8	↑1.4
4/9 03:00	123.8	↑1.0
4/9 03:10	124.5	↑0.7
4/9 03:20	124.9	↑0.4	満潮
4/9 03:30	124.9	0
4/9 03:40	124.5	↓-0.4
4/9 03:50	123.8	↓-0.7
4/9 04:00	122.8	↓-1.0
4/9 04:10	121.4	↓-1.4
4/9 04:20	119.7	↓-1.7
4/9 04:30	117.7	↓-2.0
4/9 04:40	115.3	↓-2.4
4/9 04:50	112.6	↓-2.7
4/9 05:00	109.6	↓-3.0
4/9 05:10	106.4	↓-3.2
4/9 05:20	102.9	↓-3.5
4/9 05:30	99.2	↓-3.7
4/9 05:40	95.2	↓-4.0
4/9 05:50	91.1	↓-4.1
4/9 06:00	86.8	↓-4.3
4/9 06:10	82.4	↓-4.4
4/9 06:20	77.8	↓-4.6
4/9 06:30	73.3	↓-4.5
4/9 06:40	68.6	↓-4.7	最大潮位差
4/9 06:50	64.0	↓-4.6
4/9 07:00	59.4	↓-4.6
4/9 07:10	54.9	↓-4.5
4/9 07:20	50.5	↓-4.4
4/9 07:30	46.2	↓-4.3
4/9 07:40	42.0	↓-4.2
4/9 07:50	38.0	↓-4.0
4/9 08:00	34.3	↓-3.7
4/9 08:10	30.7	↓-3.6
4/9 08:20	27.5	↓-3.2
4/9 08:30	24.5	↓-3.0
4/9 08:40	21.8	↓-2.7
4/9 08:50	19.5	↓-2.3
4/9 09:00	17.4	↓-2.1
4/9 09:10	15.8	↓-1.6
4/9 09:20	14.4	↓-1.4
4/9 09:30	13.5	↓-0.9
4/9 09:40	12.9	↓-0.6
4/9 09:50	12.7	↓-0.2	干潮
4/9 10:00	12.9	↑0.2
4/9 10:10	13.5	↑0.6
4/9 10:20	14.5	↑1.0
4/9 10:30	15.8	↑1.3
4/9 10:40	17.5	↑1.7
4/9 10:50	19.6	↑2.1
4/9 11:00	22.0	↑2.4
4/9 11:10	24.7	↑2.7
4/9 11:20	27.7	↑3.0
4/9 11:30	31.1	↑3.4
4/9 11:40	34.7	↑3.6
4/9 11:50	38.5	↑3.8
4/9 12:00	42.6	↑4.1
4/9 12:10	46.8	↑4.2
4/9 12:20	51.2	↑4.4
4/9 12:30	55.8	↑4.6
4/9 12:40	60.4	↑4.6
4/9 12:50	65.1	↑4.7	最大潮位差
4/9 13:00	69.8	↑4.7	最大潮位差
4/9 13:10	74.5	↑4.7	最大潮位差
4/9 13:20	79.2	↑4.7	最大潮位差
4/9 13:30	83.8	↑4.6
4/9 13:40	88.3	↑4.5
4/9 13:50	92.7	↑4.4
4/9 14:00	96.9	↑4.2
4/9 14:10	100.9	↑4.0
4/9 14:20	104.8	↑3.9
4/9 14:30	108.4	↑3.6
4/9 14:40	111.8	↑3.4
4/9 14:50	114.9	↑3.1
4/9 15:00	117.7	↑2.8
4/9 15:10	120.3	↑2.6
4/9 15:20	122.5	↑2.2
4/9 15:30	124.4	↑1.9
4/9 15:40	125.9	↑1.5
4/9 15:50	127.1	↑1.2
4/9 16:00	128.0	↑0.9
4/9 16:10	128.5	↑0.5	満潮
4/9 16:20	128.6	↑0.1	満潮
4/9 16:30	128.4	↓-0.2
4/9 16:40	127.9	↓-0.5
4/9 16:50	127.0	↓-0.9
4/9 17:00	125.8	↓-1.2
4/9 17:10	124.2	↓-1.6
4/9 17:20	122.4	↓-1.8
4/9 17:30	120.2	↓-2.2
4/9 17:40	117.8	↓-2.4
4/9 17:50	115.1	↓-2.7
4/9 18:00	112.2	↓-2.9
4/9 18:10	109.0	↓-3.2
4/9 18:20	105.7	↓-3.3
4/9 18:30	102.2	↓-3.5
4/9 18:40	98.6	↓-3.6
4/9 18:50	94.9	↓-3.7
4/9 19:00	91.1	↓-3.8
4/9 19:10	87.3	↓-3.8
4/9 19:20	83.5	↓-3.8
4/9 19:30	79.8	↓-3.7
4/9 19:40	76.1	↓-3.7
4/9 19:50	72.5	↓-3.6
4/9 20:00	69.0	↓-3.5
4/9 20:10	65.7	↓-3.3
4/9 20:20	62.6	↓-3.1
4/9 20:30	59.6	↓-3.0
4/9 20:40	56.9	↓-2.7
4/9 20:50	54.4	↓-2.5
4/9 21:00	52.2	↓-2.2
4/9 21:10	50.3	↓-1.9
4/9 21:20	48.7	↓-1.6
4/9 21:30	47.4	↓-1.3
4/9 21:40	46.4	↓-1.0
4/9 21:50	45.8	↓-0.6
4/9 22:00	45.5	↓-0.3	干潮
4/9 22:10	45.5	0
4/9 22:20	45.9	↑0.4
4/9 22:30	46.6	↑0.7
4/9 22:40	47.7	↑1.1
4/9 22:50	49.0	↑1.3
4/9 23:00	50.7	↑1.7
4/9 23:10	52.7	↑2.0
4/9 23:20	55.0	↑2.3
4/9 23:30	57.6	↑2.6
4/9 23:40	60.4	↑2.8
4/9 23:50	63.5	↑3.1