20 (火)	05:33	11:40	17:40	23:58
	212cm	94cm	212cm	64cm
若潮 出 05:46 入 18:57 出 14:06 入 02:26

黒子島（長崎）2032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	81.1	↑2.4
4/20 00:10	84.0	↑2.9
4/20 00:20	87.1	↑3.1
4/20 00:30	90.7	↑3.6
4/20 00:40	94.5	↑3.8
4/20 00:50	98.7	↑4.2
4/20 01:00	103.1	↑4.4
4/20 01:10	107.8	↑4.7
4/20 01:20	112.7	↑4.9
4/20 01:30	117.7	↑5.0
4/20 01:40	123.0	↑5.3
4/20 01:50	128.3	↑5.3
4/20 02:00	133.8	↑5.5
4/20 02:10	139.3	↑5.5
4/20 02:20	144.8	↑5.5
4/20 02:30	150.4	↑5.6
4/20 02:40	155.8	↑5.4
4/20 02:50	161.2	↑5.4
4/20 03:00	166.5	↑5.3
4/20 03:10	171.6	↑5.1
4/20 03:20	176.5	↑4.9
4/20 03:30	181.2	↑4.7
4/20 03:40	185.6	↑4.4
4/20 03:50	189.8	↑4.2
4/20 04:00	193.7	↑3.9
4/20 04:10	197.2	↑3.5
4/20 04:20	200.4	↑3.2
4/20 04:30	203.2	↑2.8
4/20 04:40	205.6	↑2.4
4/20 04:50	207.6	↑2.0
4/20 05:00	209.2	↑1.6
4/20 05:10	210.4	↑1.2
4/20 05:20	211.1	↑0.7
4/20 05:30	211.5	↑0.4	満潮
4/20 05:40	211.3	↓-0.2
4/20 05:50	210.7	↓-0.6
4/20 06:00	209.7	↓-1.0
4/20 06:10	208.3	↓-1.4
4/20 06:20	206.5	↓-1.8
4/20 06:30	204.3	↓-2.2
4/20 06:40	201.7	↓-2.6
4/20 06:50	198.7	↓-3.0
4/20 07:00	195.4	↓-3.3
4/20 07:10	191.8	↓-3.6
4/20 07:20	187.9	↓-3.9
4/20 07:30	183.7	↓-4.2
4/20 07:40	179.3	↓-4.4
4/20 07:50	174.7	↓-4.6
4/20 08:00	170.0	↓-4.7
4/20 08:10	165.1	↓-4.9
4/20 08:20	160.1	↓-5.0
4/20 08:30	155.1	↓-5.0
4/20 08:40	150.0	↓-5.1
4/20 08:50	145.0	↓-5.0
4/20 09:00	140.0	↓-5.0
4/20 09:10	135.1	↓-4.9
4/20 09:20	130.4	↓-4.7
4/20 09:30	125.7	↓-4.7
4/20 09:40	121.3	↓-4.4
4/20 09:50	117.1	↓-4.2
4/20 10:00	113.2	↓-3.9
4/20 10:10	109.6	↓-3.6
4/20 10:20	106.2	↓-3.4
4/20 10:30	103.2	↓-3.0
4/20 10:40	100.6	↓-2.6
4/20 10:50	98.3	↓-2.3
4/20 11:00	96.4	↓-1.9
4/20 11:10	95.0	↓-1.4
4/20 11:20	93.9	↓-1.1
4/20 11:30	93.3	↓-0.6	干潮
4/20 11:40	93.2	↓-0.1	干潮
4/20 11:50	93.4	↑0.2
4/20 12:00	94.1	↑0.7
4/20 12:10	95.2	↑1.1
4/20 12:20	96.8	↑1.6
4/20 12:30	98.7	↑1.9
4/20 12:40	101.1	↑2.4
4/20 12:50	103.8	↑2.7
4/20 13:00	106.9	↑3.1
4/20 13:10	110.4	↑3.5
4/20 13:20	114.1	↑3.7
4/20 13:30	118.2	↑4.1
4/20 13:40	122.4	↑4.2
4/20 13:50	127.0	↑4.6
4/20 14:00	131.7	↑4.7
4/20 14:10	136.5	↑4.8
4/20 14:20	141.5	↑5.0
4/20 14:30	146.6	↑5.1
4/20 14:40	151.7	↑5.1
4/20 14:50	156.9	↑5.2
4/20 15:00	162.0	↑5.1
4/20 15:10	167.0	↑5.0
4/20 15:20	171.9	↑4.9
4/20 15:30	176.7	↑4.8
4/20 15:40	181.3	↑4.6
4/20 15:50	185.6	↑4.3
4/20 16:00	189.8	↑4.2
4/20 16:10	193.6	↑3.8
4/20 16:20	197.1	↑3.5
4/20 16:30	200.3	↑3.2
4/20 16:40	203.1	↑2.8
4/20 16:50	205.5	↑2.4
4/20 17:00	207.5	↑2.0
4/20 17:10	209.1	↑1.6
4/20 17:20	210.2	↑1.1
4/20 17:30	210.8	↑0.6	満潮
4/20 17:40	211.0	↑0.2	満潮
4/20 17:50	210.7	↓-0.3
4/20 18:00	210.0	↓-0.7
4/20 18:10	208.7	↓-1.3
4/20 18:20	207.0	↓-1.7
4/20 18:30	204.8	↓-2.2
4/20 18:40	202.2	↓-2.6
4/20 18:50	199.1	↓-3.1
4/20 19:00	195.6	↓-3.5
4/20 19:10	191.8	↓-3.8
4/20 19:20	187.5	↓-4.3
4/20 19:30	182.9	↓-4.6
4/20 19:40	178.0	↓-4.9
4/20 19:50	172.8	↓-5.2
4/20 20:00	167.3	↓-5.5
4/20 20:10	161.7	↓-5.6
4/20 20:20	155.9	↓-5.8
4/20 20:30	149.9	↓-6.0
4/20 20:40	143.8	↓-6.1	最大潮位差
4/20 20:50	137.7	↓-6.1	最大潮位差
4/20 21:00	131.6	↓-6.1	最大潮位差
4/20 21:10	125.5	↓-6.1	最大潮位差
4/20 21:20	119.5	↓-6.0
4/20 21:30	113.6	↓-5.9
4/20 21:40	107.8	↓-5.8
4/20 21:50	102.3	↓-5.5
4/20 22:00	97.0	↓-5.3
4/20 22:10	92.0	↓-5.0
4/20 22:20	87.3	↓-4.7
4/20 22:30	82.9	↓-4.4
4/20 22:40	78.9	↓-4.0
4/20 22:50	75.3	↓-3.6
4/20 23:00	72.2	↓-3.1
4/20 23:10	69.5	↓-2.7
4/20 23:20	67.3	↓-2.2
4/20 23:30	65.6	↓-1.7
4/20 23:40	64.4	↓-1.2
4/20 23:50	63.8	↓-0.6	干潮