20 (木)	08:59	02:28	20:44	14:55
	194cm	2cm	187cm	48cm
大潮 出 07:24 入 17:17 出 16:43 入 06:37

島山（長崎）2029年12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
12/20 00:00	60.5	↓-7.1
12/20 00:10	53.7	↓-6.8
12/20 00:20	47.1	↓-6.6
12/20 00:30	40.8	↓-6.3
12/20 00:40	34.8	↓-6.0
12/20 00:50	29.2	↓-5.6
12/20 01:00	24.0	↓-5.2
12/20 01:10	19.3	↓-4.7
12/20 01:20	15.1	↓-4.2
12/20 01:30	11.4	↓-3.7
12/20 01:40	8.3	↓-3.1
12/20 01:50	5.7	↓-2.6
12/20 02:00	3.7	↓-2.0
12/20 02:10	2.3	↓-1.4
12/20 02:20	1.5	↓-0.8	干潮
12/20 02:30	1.4	↓-0.1
12/20 02:40	1.8	↑0.4
12/20 02:50	2.9	↑1.1
12/20 03:00	4.6	↑1.7
12/20 03:10	6.9	↑2.3
12/20 03:20	9.8	↑2.9
12/20 03:30	13.3	↑3.5
12/20 03:40	17.4	↑4.1
12/20 03:50	21.9	↑4.5
12/20 04:00	27.0	↑5.1
12/20 04:10	32.5	↑5.5
12/20 04:20	38.5	↑6.0
12/20 04:30	44.8	↑6.3
12/20 04:40	51.5	↑6.7
12/20 04:50	58.5	↑7.0
12/20 05:00	65.7	↑7.2
12/20 05:10	73.1	↑7.4
12/20 05:20	80.8	↑7.7
12/20 05:30	88.5	↑7.7
12/20 05:40	96.2	↑7.7
12/20 05:50	104.0	↑7.8	最大潮位差
12/20 06:00	111.8	↑7.8	最大潮位差
12/20 06:10	119.4	↑7.6
12/20 06:20	126.9	↑7.5
12/20 06:30	134.2	↑7.3
12/20 06:40	141.2	↑7.0
12/20 06:50	148.0	↑6.8
12/20 07:00	154.4	↑6.4
12/20 07:10	160.5	↑6.1
12/20 07:20	166.1	↑5.6
12/20 07:30	171.3	↑5.2
12/20 07:40	176.0	↑4.7
12/20 07:50	180.3	↑4.3
12/20 08:00	183.9	↑3.6
12/20 08:10	187.1	↑3.2
12/20 08:20	189.6	↑2.5
12/20 08:30	191.6	↑2.0
12/20 08:40	192.9	↑1.3
12/20 08:50	193.7	↑0.8	満潮
12/20 09:00	193.9	↑0.2
12/20 09:10	193.5	↓-0.4
12/20 09:20	192.4	↓-1.1
12/20 09:30	190.9	↓-1.5
12/20 09:40	188.7	↓-2.2
12/20 09:50	186.0	↓-2.7
12/20 10:00	182.8	↓-3.2
12/20 10:10	179.1	↓-3.7
12/20 10:20	175.0	↓-4.1
12/20 10:30	170.4	↓-4.6
12/20 10:40	165.4	↓-5.0
12/20 10:50	160.1	↓-5.3
12/20 11:00	154.5	↓-5.6
12/20 11:10	148.7	↓-5.8
12/20 11:20	142.6	↓-6.1
12/20 11:30	136.4	↓-6.2
12/20 11:40	130.0	↓-6.4
12/20 11:50	123.6	↓-6.4
12/20 12:00	117.1	↓-6.5
12/20 12:10	110.7	↓-6.4
12/20 12:20	104.4	↓-6.3
12/20 12:30	98.2	↓-6.2
12/20 12:40	92.2	↓-6.0
12/20 12:50	86.4	↓-5.8
12/20 13:00	80.8	↓-5.6
12/20 13:10	75.6	↓-5.2
12/20 13:20	70.7	↓-4.9
12/20 13:30	66.2	↓-4.5
12/20 13:40	62.2	↓-4.0
12/20 13:50	58.5	↓-3.7
12/20 14:00	55.4	↓-3.1
12/20 14:10	52.7	↓-2.7
12/20 14:20	50.6	↓-2.1
12/20 14:30	49.0	↓-1.6
12/20 14:40	47.9	↓-1.1
12/20 14:50	47.4	↓-0.5	干潮
12/20 15:00	47.5	↑0.1
12/20 15:10	48.1	↑0.6
12/20 15:20	49.3	↑1.2
12/20 15:30	51.0	↑1.7
12/20 15:40	53.2	↑2.2
12/20 15:50	55.9	↑2.7
12/20 16:00	59.2	↑3.3
12/20 16:10	62.9	↑3.7
12/20 16:20	67.0	↑4.1
12/20 16:30	71.5	↑4.5
12/20 16:40	76.4	↑4.9
12/20 16:50	81.6	↑5.2
12/20 17:00	87.1	↑5.5
12/20 17:10	92.8	↑5.7
12/20 17:20	98.8	↑6.0
12/20 17:30	104.9	↑6.1
12/20 17:40	111.0	↑6.1
12/20 17:50	117.3	↑6.3
12/20 18:00	123.5	↑6.2
12/20 18:10	129.7	↑6.2
12/20 18:20	135.8	↑6.1
12/20 18:30	141.8	↑6.0
12/20 18:40	147.5	↑5.7
12/20 18:50	153.1	↑5.6
12/20 19:00	158.3	↑5.2
12/20 19:10	163.2	↑4.9
12/20 19:20	167.7	↑4.5
12/20 19:30	171.9	↑4.2
12/20 19:40	175.5	↑3.6
12/20 19:50	178.8	↑3.3
12/20 20:00	181.4	↑2.6
12/20 20:10	183.6	↑2.2
12/20 20:20	185.2	↑1.6
12/20 20:30	186.3	↑1.1
12/20 20:40	186.7	↑0.4	満潮
12/20 20:50	186.6	↓-0.1
12/20 21:00	185.8	↓-0.8
12/20 21:10	184.5	↓-1.3
12/20 21:20	182.5	↓-2.0
12/20 21:30	180.0	↓-2.5
12/20 21:40	176.9	↓-3.1
12/20 21:50	173.2	↓-3.7
12/20 22:00	169.0	↓-4.2
12/20 22:10	164.3	↓-4.7
12/20 22:20	159.0	↓-5.3
12/20 22:30	153.4	↓-5.6
12/20 22:40	147.3	↓-6.1
12/20 22:50	140.8	↓-6.5
12/20 23:00	134.0	↓-6.8
12/20 23:10	126.9	↓-7.1
12/20 23:20	119.6	↓-7.3
12/20 23:30	112.0	↓-7.6
12/20 23:40	104.3	↓-7.7
12/20 23:50	96.6	↓-7.7