20 (水)	00:24	06:08	12:02	18:45
	219cm	102cm	222cm	53cm
中潮 出 05:47 入 18:57 出 23:49 入 09:36 潮干狩り ○ 17:49～18:57

黒子島（長崎）2033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	217.2	↑1.5
4/20 00:10	218.2	↑1.0
4/20 00:20	218.6	↑0.4	満潮
4/20 00:30	218.5	↓-0.1
4/20 00:40	217.9	↓-0.6
4/20 00:50	216.7	↓-1.2
4/20 01:00	215.1	↓-1.6
4/20 01:10	213.0	↓-2.1
4/20 01:20	210.4	↓-2.6
4/20 01:30	207.4	↓-3.0
4/20 01:40	204.0	↓-3.4
4/20 01:50	200.3	↓-3.7
4/20 02:00	196.2	↓-4.1
4/20 02:10	191.8	↓-4.4
4/20 02:20	187.2	↓-4.6
4/20 02:30	182.3	↓-4.9
4/20 02:40	177.3	↓-5.0
4/20 02:50	172.2	↓-5.1
4/20 03:00	166.9	↓-5.3
4/20 03:10	161.6	↓-5.3
4/20 03:20	156.3	↓-5.3
4/20 03:30	151.1	↓-5.2
4/20 03:40	145.9	↓-5.2
4/20 03:50	140.9	↓-5.0
4/20 04:00	136.0	↓-4.9
4/20 04:10	131.3	↓-4.7
4/20 04:20	126.9	↓-4.4
4/20 04:30	122.7	↓-4.2
4/20 04:40	118.8	↓-3.9
4/20 04:50	115.3	↓-3.5
4/20 05:00	112.2	↓-3.1
4/20 05:10	109.4	↓-2.8
4/20 05:20	107.0	↓-2.4
4/20 05:30	105.1	↓-1.9
4/20 05:40	103.6	↓-1.5
4/20 05:50	102.6	↓-1.0
4/20 06:00	102.0	↓-0.6	干潮
4/20 06:10	101.9	↓-0.1
4/20 06:20	102.3	↑0.4
4/20 06:30	103.1	↑0.8
4/20 06:40	104.4	↑1.3
4/20 06:50	106.1	↑1.7
4/20 07:00	108.2	↑2.1
4/20 07:10	110.8	↑2.6
4/20 07:20	113.8	↑3.0
4/20 07:30	117.1	↑3.3
4/20 07:40	120.8	↑3.7
4/20 07:50	124.8	↑4.0
4/20 08:00	129.1	↑4.3
4/20 08:10	133.7	↑4.6
4/20 08:20	138.4	↑4.7
4/20 08:30	143.4	↑5.0
4/20 08:40	148.5	↑5.1
4/20 08:50	153.7	↑5.2
4/20 09:00	158.9	↑5.2
4/20 09:10	164.2	↑5.3
4/20 09:20	169.5	↑5.3
4/20 09:30	174.7	↑5.2
4/20 09:40	179.8	↑5.1
4/20 09:50	184.8	↑5.0
4/20 10:00	189.6	↑4.8
4/20 10:10	194.2	↑4.6
4/20 10:20	198.5	↑4.3
4/20 10:30	202.6	↑4.1
4/20 10:40	206.3	↑3.7
4/20 10:50	209.7	↑3.4
4/20 11:00	212.7	↑3.0
4/20 11:10	215.3	↑2.6
4/20 11:20	217.5	↑2.2
4/20 11:30	219.2	↑1.7
4/20 11:40	220.4	↑1.2
4/20 11:50	221.2	↑0.8
4/20 12:00	221.5	↑0.3	満潮
4/20 12:10	221.3	↓-0.2
4/20 12:20	220.6	↓-0.7
4/20 12:30	219.4	↓-1.2
4/20 12:40	217.7	↓-1.7
4/20 12:50	215.6	↓-2.1
4/20 13:00	212.9	↓-2.7
4/20 13:10	209.8	↓-3.1
4/20 13:20	206.3	↓-3.5
4/20 13:30	202.3	↓-4.0
4/20 13:40	197.9	↓-4.4
4/20 13:50	193.1	↓-4.8
4/20 14:00	188.0	↓-5.1
4/20 14:10	182.6	↓-5.4
4/20 14:20	176.9	↓-5.7
4/20 14:30	171.0	↓-5.9
4/20 14:40	164.8	↓-6.2
4/20 14:50	158.5	↓-6.3
4/20 15:00	152.0	↓-6.5
4/20 15:10	145.4	↓-6.6	最大潮位差
4/20 15:20	138.8	↓-6.6	最大潮位差
4/20 15:30	132.2	↓-6.6	最大潮位差
4/20 15:40	125.6	↓-6.6	最大潮位差
4/20 15:50	119.0	↓-6.6	最大潮位差
4/20 16:00	112.6	↓-6.4
4/20 16:10	106.3	↓-6.3
4/20 16:20	100.2	↓-6.1
4/20 16:30	94.4	↓-5.8
4/20 16:40	88.8	↓-5.6
4/20 16:50	83.5	↓-5.3
4/20 17:00	78.5	↓-5.0
4/20 17:10	73.9	↓-4.6
4/20 17:20	69.6	↓-4.3
4/20 17:30	65.8	↓-3.8
4/20 17:40	62.4	↓-3.4
4/20 17:50	59.5	↓-2.9
4/20 18:00	57.1	↓-2.4
4/20 18:10	55.1	↓-2.0
4/20 18:20	53.6	↓-1.5
4/20 18:30	52.6	↓-1.0
4/20 18:40	52.2	↓-0.4	干潮
4/20 18:50	52.2	0
4/20 19:00	52.7	↑0.5
4/20 19:10	53.8	↑1.1
4/20 19:20	55.3	↑1.5
4/20 19:30	57.3	↑2.0
4/20 19:40	59.7	↑2.4
4/20 19:50	62.6	↑2.9
4/20 20:00	66.0	↑3.4
4/20 20:10	69.7	↑3.7
4/20 20:20	73.8	↑4.1
4/20 20:30	78.2	↑4.4
4/20 20:40	82.9	↑4.7
4/20 20:50	87.9	↑5.0
4/20 21:00	93.2	↑5.3
4/20 21:10	98.7	↑5.5
4/20 21:20	104.3	↑5.6
4/20 21:30	110.1	↑5.8
4/20 21:40	116.0	↑5.9
4/20 21:50	122.0	↑6.0
4/20 22:00	127.9	↑5.9
4/20 22:10	133.9	↑6.0
4/20 22:20	139.8	↑5.9
4/20 22:30	145.6	↑5.8
4/20 22:40	151.4	↑5.8
4/20 22:50	156.9	↑5.5
4/20 23:00	162.3	↑5.4
4/20 23:10	167.4	↑5.1
4/20 23:20	172.3	↑4.9
4/20 23:30	176.9	↑4.6
4/20 23:40	181.2	↑4.3
4/20 23:50	185.2	↑4.0