20 (月)	06:37	00:06	18:33	12:37
	225cm	56cm	227cm	84cm
若潮 出 05:47 入 18:57 出 15:21 入 03:46

黒子島（長崎）2043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	55.8	↓-0.6	干潮
4/20 00:10	55.8	0
4/20 00:20	56.3	↑0.5
4/20 00:30	57.3	↑1.0
4/20 00:40	58.9	↑1.6
4/20 00:50	61.0	↑2.1
4/20 01:00	63.5	↑2.5
4/20 01:10	66.6	↑3.1
4/20 01:20	70.1	↑3.5
4/20 01:30	74.1	↑4.0
4/20 01:40	78.5	↑4.4
4/20 01:50	83.3	↑4.8
4/20 02:00	88.5	↑5.2
4/20 02:10	94.0	↑5.5
4/20 02:20	99.8	↑5.8
4/20 02:30	105.9	↑6.1
4/20 02:40	112.2	↑6.3
4/20 02:50	118.7	↑6.5
4/20 03:00	125.4	↑6.7
4/20 03:10	132.1	↑6.7
4/20 03:20	138.9	↑6.8
4/20 03:30	145.7	↑6.8
4/20 03:40	152.4	↑6.7
4/20 03:50	159.1	↑6.7
4/20 04:00	165.6	↑6.5
4/20 04:10	172.0	↑6.4
4/20 04:20	178.2	↑6.2
4/20 04:30	184.1	↑5.9
4/20 04:40	189.8	↑5.7
4/20 04:50	195.1	↑5.3
4/20 05:00	200.0	↑4.9
4/20 05:10	204.6	↑4.6
4/20 05:20	208.7	↑4.1
4/20 05:30	212.4	↑3.7
4/20 05:40	215.6	↑3.2
4/20 05:50	218.3	↑2.7
4/20 06:00	220.5	↑2.2
4/20 06:10	222.2	↑1.7
4/20 06:20	223.4	↑1.2
4/20 06:30	224.0	↑0.6	満潮
4/20 06:40	224.0	0
4/20 06:50	223.6	↓-0.4
4/20 07:00	222.5	↓-1.1
4/20 07:10	221.0	↓-1.5
4/20 07:20	219.0	↓-2.0
4/20 07:30	216.4	↓-2.6
4/20 07:40	213.4	↓-3.0
4/20 07:50	209.9	↓-3.5
4/20 08:00	206.1	↓-3.8
4/20 08:10	201.8	↓-4.3
4/20 08:20	197.1	↓-4.7
4/20 08:30	192.1	↓-5.0
4/20 08:40	186.9	↓-5.2
4/20 08:50	181.4	↓-5.5
4/20 09:00	175.7	↓-5.7
4/20 09:10	169.8	↓-5.9
4/20 09:20	163.8	↓-6.0
4/20 09:30	157.7	↓-6.1
4/20 09:40	151.6	↓-6.1
4/20 09:50	145.5	↓-6.1
4/20 10:00	139.5	↓-6.0
4/20 10:10	133.6	↓-5.9
4/20 10:20	127.8	↓-5.8
4/20 10:30	122.3	↓-5.5
4/20 10:40	117.0	↓-5.3
4/20 10:50	111.9	↓-5.1
4/20 11:00	107.2	↓-4.7
4/20 11:10	102.8	↓-4.4
4/20 11:20	98.8	↓-4.0
4/20 11:30	95.3	↓-3.5
4/20 11:40	92.2	↓-3.1
4/20 11:50	89.5	↓-2.7
4/20 12:00	87.4	↓-2.1
4/20 12:10	85.7	↓-1.7
4/20 12:20	84.6	↓-1.1
4/20 12:30	84.0	↓-0.6	干潮
4/20 12:40	83.9	↓-0.1
4/20 12:50	84.3	↑0.4
4/20 13:00	85.3	↑1.0
4/20 13:10	86.9	↑1.6
4/20 13:20	88.9	↑2.0
4/20 13:30	91.5	↑2.6
4/20 13:40	94.5	↑3.0
4/20 13:50	98.0	↑3.5
4/20 14:00	101.9	↑3.9
4/20 14:10	106.2	↑4.3
4/20 14:20	110.9	↑4.7
4/20 14:30	116.0	↑5.1
4/20 14:40	121.3	↑5.3
4/20 14:50	126.9	↑5.6
4/20 15:00	132.8	↑5.9
4/20 15:10	138.8	↑6.0
4/20 15:20	144.9	↑6.1
4/20 15:30	151.2	↑6.3
4/20 15:40	157.4	↑6.2
4/20 15:50	163.7	↑6.3
4/20 16:00	169.8	↑6.1
4/20 16:10	175.9	↑6.1
4/20 16:20	181.9	↑6.0
4/20 16:30	187.6	↑5.7
4/20 16:40	193.0	↑5.4
4/20 16:50	198.2	↑5.2
4/20 17:00	203.1	↑4.9
4/20 17:10	207.6	↑4.5
4/20 17:20	211.6	↑4.0
4/20 17:30	215.3	↑3.7
4/20 17:40	218.4	↑3.1
4/20 17:50	221.0	↑2.6
4/20 18:00	223.2	↑2.2
4/20 18:10	224.7	↑1.5
4/20 18:20	225.8	↑1.1
4/20 18:30	226.2	↑0.4	満潮
4/20 18:40	226.0	↓-0.2
4/20 18:50	225.3	↓-0.7
4/20 19:00	224.0	↓-1.3
4/20 19:10	222.1	↓-1.9
4/20 19:20	219.6	↓-2.5
4/20 19:30	216.5	↓-3.1
4/20 19:40	213.0	↓-3.5
4/20 19:50	208.8	↓-4.2
4/20 20:00	204.2	↓-4.6
4/20 20:10	199.2	↓-5.0
4/20 20:20	193.6	↓-5.6
4/20 20:30	187.7	↓-5.9
4/20 20:40	181.4	↓-6.3
4/20 20:50	174.8	↓-6.6
4/20 21:00	168.0	↓-6.8
4/20 21:10	160.9	↓-7.1
4/20 21:20	153.6	↓-7.3
4/20 21:30	146.2	↓-7.4
4/20 21:40	138.7	↓-7.5
4/20 21:50	131.1	↓-7.6	最大潮位差
4/20 22:00	123.6	↓-7.5
4/20 22:10	116.2	↓-7.4
4/20 22:20	108.9	↓-7.3
4/20 22:30	101.8	↓-7.1
4/20 22:40	94.9	↓-6.9
4/20 22:50	88.4	↓-6.5
4/20 23:00	82.1	↓-6.3
4/20 23:10	76.2	↓-5.9
4/20 23:20	70.7	↓-5.5
4/20 23:30	65.7	↓-5.0
4/20 23:40	61.2	↓-4.5
4/20 23:50	57.2	↓-4.0