20 (木)	06:40	00:19	19:01	12:54
	169cm	59cm	169cm	55cm
若潮 出 05:46 入 18:59 出 03:09 入 14:51

大船越／対馬（長崎）2028年04月20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
4/20 00:00	59.5	↓-0.8
4/20 00:10	59.1	↓-0.4	干潮
4/20 00:20	59.0	↓-0.1
4/20 00:30	59.2	↑0.2
4/20 00:40	59.9	↑0.7
4/20 00:50	60.8	↑0.9
4/20 01:00	62.1	↑1.3
4/20 01:10	63.8	↑1.7
4/20 01:20	65.7	↑1.9
4/20 01:30	68.0	↑2.3
4/20 01:40	70.6	↑2.6
4/20 01:50	73.5	↑2.9
4/20 02:00	76.6	↑3.1
4/20 02:10	80.0	↑3.4
4/20 02:20	83.7	↑3.7
4/20 02:30	87.5	↑3.8
4/20 02:40	91.5	↑4.0
4/20 02:50	95.7	↑4.2
4/20 03:00	100.0	↑4.3
4/20 03:10	104.4	↑4.4
4/20 03:20	108.9	↑4.5
4/20 03:30	113.4	↑4.5
4/20 03:40	117.9	↑4.5
4/20 03:50	122.4	↑4.5
4/20 04:00	126.9	↑4.5
4/20 04:10	131.2	↑4.3
4/20 04:20	135.4	↑4.2
4/20 04:30	139.5	↑4.1
4/20 04:40	143.5	↑4.0
4/20 04:50	147.2	↑3.7
4/20 05:00	150.7	↑3.5
4/20 05:10	153.9	↑3.2
4/20 05:20	156.8	↑2.9
4/20 05:30	159.5	↑2.7
4/20 05:40	161.8	↑2.3
4/20 05:50	163.8	↑2.0
4/20 06:00	165.5	↑1.7
4/20 06:10	166.8	↑1.3
4/20 06:20	167.7	↑0.9
4/20 06:30	168.2	↑0.5	満潮
4/20 06:40	168.3	↑0.1	満潮
4/20 06:50	168.1	↓-0.2
4/20 07:00	167.5	↓-0.6
4/20 07:10	166.4	↓-1.1
4/20 07:20	165.0	↓-1.4
4/20 07:30	163.3	↓-1.7
4/20 07:40	161.1	↓-2.2
4/20 07:50	158.7	↓-2.4
4/20 08:00	155.8	↓-2.9
4/20 08:10	152.7	↓-3.1
4/20 08:20	149.3	↓-3.4
4/20 08:30	145.6	↓-3.7
4/20 08:40	141.7	↓-3.9
4/20 08:50	137.6	↓-4.1
4/20 09:00	133.3	↓-4.3
4/20 09:10	128.8	↓-4.5
4/20 09:20	124.2	↓-4.6
4/20 09:30	119.5	↓-4.7
4/20 09:40	114.7	↓-4.8
4/20 09:50	109.9	↓-4.8
4/20 10:00	105.2	↓-4.7
4/20 10:10	100.4	↓-4.8
4/20 10:20	95.7	↓-4.7
4/20 10:30	91.2	↓-4.5
4/20 10:40	86.8	↓-4.4
4/20 10:50	82.5	↓-4.3
4/20 11:00	78.5	↓-4.0
4/20 11:10	74.6	↓-3.9
4/20 11:20	71.1	↓-3.5
4/20 11:30	67.8	↓-3.3
4/20 11:40	64.8	↓-3.0
4/20 11:50	62.2	↓-2.6
4/20 12:00	59.9	↓-2.3
4/20 12:10	58.0	↓-1.9
4/20 12:20	56.4	↓-1.6
4/20 12:30	55.3	↓-1.1
4/20 12:40	54.5	↓-0.8
4/20 12:50	54.2	↓-0.3	干潮
4/20 13:00	54.2	0
4/20 13:10	54.7	↑0.5
4/20 13:20	55.6	↑0.9
4/20 13:30	56.9	↑1.3
4/20 13:40	58.5	↑1.6
4/20 13:50	60.6	↑2.1
4/20 14:00	63.0	↑2.4
4/20 14:10	65.8	↑2.8
4/20 14:20	68.9	↑3.1
4/20 14:30	72.3	↑3.4
4/20 14:40	76.0	↑3.7
4/20 14:50	80.0	↑4.0
4/20 15:00	84.2	↑4.2
4/20 15:10	88.6	↑4.4
4/20 15:20	93.2	↑4.6
4/20 15:30	97.9	↑4.7
4/20 15:40	102.7	↑4.8
4/20 15:50	107.6	↑4.9
4/20 16:00	112.5	↑4.9
4/20 16:10	117.4	↑4.9
4/20 16:20	122.2	↑4.8
4/20 16:30	127.0	↑4.8
4/20 16:40	131.7	↑4.7
4/20 16:50	136.2	↑4.5
4/20 17:00	140.6	↑4.4
4/20 17:10	144.7	↑4.1
4/20 17:20	148.6	↑3.9
4/20 17:30	152.2	↑3.6
4/20 17:40	155.5	↑3.3
4/20 17:50	158.5	↑3.0
4/20 18:00	161.2	↑2.7
4/20 18:10	163.5	↑2.3
4/20 18:20	165.4	↑1.9
4/20 18:30	166.9	↑1.5
4/20 18:40	168.0	↑1.1
4/20 18:50	168.6	↑0.6
4/20 19:00	168.9	↑0.3	満潮
4/20 19:10	168.7	↓-0.2
4/20 19:20	168.1	↓-0.6
4/20 19:30	167.0	↓-1.1
4/20 19:40	165.5	↓-1.5
4/20 19:50	163.6	↓-1.9
4/20 20:00	161.3	↓-2.3
4/20 20:10	158.7	↓-2.6
4/20 20:20	155.6	↓-3.1
4/20 20:30	152.2	↓-3.4
4/20 20:40	148.5	↓-3.7
4/20 20:50	144.5	↓-4.0
4/20 21:00	140.2	↓-4.3
4/20 21:10	135.7	↓-4.5
4/20 21:20	131.0	↓-4.7
4/20 21:30	126.1	↓-4.9
4/20 21:40	121.1	↓-5.0
4/20 21:50	115.9	↓-5.2	最大潮位差
4/20 22:00	110.7	↓-5.2	最大潮位差
4/20 22:10	105.5	↓-5.2	最大潮位差
4/20 22:20	100.3	↓-5.2	最大潮位差
4/20 22:30	95.2	↓-5.1
4/20 22:40	90.1	↓-5.1
4/20 22:50	85.2	↓-4.9
4/20 23:00	80.4	↓-4.8
4/20 23:10	75.9	↓-4.5
4/20 23:20	71.5	↓-4.4
4/20 23:30	67.5	↓-4.0
4/20 23:40	63.7	↓-3.8
4/20 23:50	60.3	↓-3.4