20 (日)	02:28	07:42	13:19	20:51
	185cm	144cm	191cm	75cm
小潮 出 05:47 入 18:57 出 00:53 入 10:32

黒子島（長崎）2025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	156.3	↑3.8
4/20 00:10	159.9	↑3.6
4/20 00:20	163.3	↑3.4
4/20 00:30	166.5	↑3.2
4/20 00:40	169.4	↑2.9
4/20 00:50	172.1	↑2.7
4/20 01:00	174.6	↑2.5
4/20 01:10	176.8	↑2.2
4/20 01:20	178.7	↑1.9
4/20 01:30	180.4	↑1.7
4/20 01:40	181.7	↑1.3
4/20 01:50	182.9	↑1.2
4/20 02:00	183.7	↑0.8
4/20 02:10	184.3	↑0.6
4/20 02:20	184.6	↑0.3	満潮
4/20 02:30	184.7	↑0.1
4/20 02:40	184.5	↓-0.2
4/20 02:50	184.1	↓-0.4
4/20 03:00	183.4	↓-0.7
4/20 03:10	182.6	↓-0.8
4/20 03:20	181.5	↓-1.1
4/20 03:30	180.3	↓-1.2
4/20 03:40	178.9	↓-1.4
4/20 03:50	177.3	↓-1.6
4/20 04:00	175.7	↓-1.6
4/20 04:10	173.9	↓-1.8
4/20 04:20	172.0	↓-1.9
4/20 04:30	170.1	↓-1.9
4/20 04:40	168.1	↓-2.0
4/20 04:50	166.1	↓-2.0
4/20 05:00	164.0	↓-2.1
4/20 05:10	162.0	↓-2.0
4/20 05:20	160.0	↓-2.0
4/20 05:30	158.0	↓-2.0
4/20 05:40	156.1	↓-1.9
4/20 05:50	154.3	↓-1.8
4/20 06:00	152.6	↓-1.7
4/20 06:10	151.0	↓-1.6
4/20 06:20	149.5	↓-1.5
4/20 06:30	148.2	↓-1.3
4/20 06:40	147.0	↓-1.2
4/20 06:50	145.9	↓-1.1
4/20 07:00	145.1	↓-0.8
4/20 07:10	144.4	↓-0.7
4/20 07:20	143.9	↓-0.5
4/20 07:30	143.6	↓-0.3
4/20 07:40	143.5	↓-0.1	干潮
4/20 07:50	143.6	↑0.1
4/20 08:00	143.8	↑0.2
4/20 08:10	144.3	↑0.5
4/20 08:20	144.9	↑0.6
4/20 08:30	145.8	↑0.9
4/20 08:40	146.8	↑1.0
4/20 08:50	148.0	↑1.2
4/20 09:00	149.3	↑1.3
4/20 09:10	150.8	↑1.5
4/20 09:20	152.4	↑1.6
4/20 09:30	154.2	↑1.8
4/20 09:40	156.0	↑1.8
4/20 09:50	158.0	↑2.0
4/20 10:00	160.0	↑2.0
4/20 10:10	162.1	↑2.1
4/20 10:20	164.3	↑2.2
4/20 10:30	166.5	↑2.2
4/20 10:40	168.7	↑2.2
4/20 10:50	170.8	↑2.1
4/20 11:00	173.0	↑2.2
4/20 11:10	175.1	↑2.1
4/20 11:20	177.1	↑2.0
4/20 11:30	179.1	↑2.0
4/20 11:40	181.0	↑1.9
4/20 11:50	182.7	↑1.7
4/20 12:00	184.3	↑1.6
4/20 12:10	185.8	↑1.5
4/20 12:20	187.1	↑1.3
4/20 12:30	188.2	↑1.1
4/20 12:40	189.2	↑1.0
4/20 12:50	189.9	↑0.7
4/20 13:00	190.4	↑0.5
4/20 13:10	190.7	↑0.3	満潮
4/20 13:20	190.8	↑0.1
4/20 13:30	190.6	↓-0.2
4/20 13:40	190.2	↓-0.4
4/20 13:50	189.5	↓-0.7
4/20 14:00	188.6	↓-0.9
4/20 14:10	187.5	↓-1.1
4/20 14:20	186.0	↓-1.5
4/20 14:30	184.4	↓-1.6
4/20 14:40	182.5	↓-1.9
4/20 14:50	180.4	↓-2.1
4/20 15:00	178.0	↓-2.4
4/20 15:10	175.4	↓-2.6
4/20 15:20	172.6	↓-2.8
4/20 15:30	169.6	↓-3.0
4/20 15:40	166.4	↓-3.2
4/20 15:50	163.1	↓-3.3
4/20 16:00	159.6	↓-3.5
4/20 16:10	155.9	↓-3.7
4/20 16:20	152.2	↓-3.7
4/20 16:30	148.3	↓-3.9
4/20 16:40	144.3	↓-4.0
4/20 16:50	140.3	↓-4.0
4/20 17:00	136.2	↓-4.1	最大潮位差
4/20 17:10	132.1	↓-4.1	最大潮位差
4/20 17:20	128.0	↓-4.1	最大潮位差
4/20 17:30	123.9	↓-4.1	最大潮位差
4/20 17:40	119.9	↓-4.0
4/20 17:50	115.9	↓-4.0
4/20 18:00	111.9	↓-4.0
4/20 18:10	108.1	↓-3.8
4/20 18:20	104.4	↓-3.7
4/20 18:30	100.8	↓-3.6
4/20 18:40	97.4	↓-3.4
4/20 18:50	94.2	↓-3.2
4/20 19:00	91.1	↓-3.1
4/20 19:10	88.3	↓-2.8
4/20 19:20	85.7	↓-2.6
4/20 19:30	83.3	↓-2.4
4/20 19:40	81.2	↓-2.1
4/20 19:50	79.3	↓-1.9
4/20 20:00	77.7	↓-1.6
4/20 20:10	76.4	↓-1.3
4/20 20:20	75.4	↓-1.0
4/20 20:30	74.7	↓-0.7
4/20 20:40	74.2	↓-0.5
4/20 20:50	74.1	↓-0.1	干潮
4/20 21:00	74.2	↑0.1
4/20 21:10	74.7	↑0.5
4/20 21:20	75.5	↑0.8
4/20 21:30	76.5	↑1.0
4/20 21:40	77.8	↑1.3
4/20 21:50	79.4	↑1.6
4/20 22:00	81.3	↑1.9
4/20 22:10	83.4	↑2.1
4/20 22:20	85.8	↑2.4
4/20 22:30	88.4	↑2.6
4/20 22:40	91.2	↑2.8
4/20 22:50	94.2	↑3.0
4/20 23:00	97.5	↑3.3
4/20 23:10	100.8	↑3.3
4/20 23:20	104.4	↑3.6
4/20 23:30	108.1	↑3.7
4/20 23:40	111.8	↑3.7
4/20 23:50	115.7	↑3.9