20 (火)	12:15	05:42	-	18:16
	180cm	17cm	-	61cm
中潮 出 07:24 入 17:17 出 11:30 入 22:22

島山（長崎）2039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	168.8	↓-2.0
12/20 00:10	166.4	↓-2.4
12/20 00:20	163.5	↓-2.9
12/20 00:30	160.2	↓-3.3
12/20 00:40	156.4	↓-3.8
12/20 00:50	152.2	↓-4.2
12/20 01:00	147.6	↓-4.6
12/20 01:10	142.7	↓-4.9
12/20 01:20	137.5	↓-5.2
12/20 01:30	131.9	↓-5.6
12/20 01:40	126.1	↓-5.8
12/20 01:50	120.1	↓-6.0
12/20 02:00	114.0	↓-6.1
12/20 02:10	107.7	↓-6.3
12/20 02:20	101.3	↓-6.4
12/20 02:30	94.8	↓-6.5
12/20 02:40	88.4	↓-6.4
12/20 02:50	82.0	↓-6.4
12/20 03:00	75.7	↓-6.3
12/20 03:10	69.5	↓-6.2
12/20 03:20	63.4	↓-6.1
12/20 03:30	57.6	↓-5.8
12/20 03:40	52.0	↓-5.6
12/20 03:50	46.8	↓-5.2
12/20 04:00	41.8	↓-5.0
12/20 04:10	37.2	↓-4.6
12/20 04:20	33.0	↓-4.2
12/20 04:30	29.2	↓-3.8
12/20 04:40	25.8	↓-3.4
12/20 04:50	22.9	↓-2.9
12/20 05:00	20.5	↓-2.4
12/20 05:10	18.6	↓-1.9
12/20 05:20	17.2	↓-1.4
12/20 05:30	16.4	↓-0.8
12/20 05:40	16.1	↓-0.3	干潮
12/20 05:50	16.3	↑0.2
12/20 06:00	17.0	↑0.7
12/20 06:10	18.3	↑1.3
12/20 06:20	20.1	↑1.8
12/20 06:30	22.4	↑2.3
12/20 06:40	25.2	↑2.8
12/20 06:50	28.4	↑3.2
12/20 07:00	32.2	↑3.8
12/20 07:10	36.3	↑4.1
12/20 07:20	40.9	↑4.6
12/20 07:30	45.8	↑4.9
12/20 07:40	51.0	↑5.2
12/20 07:50	56.6	↑5.6
12/20 08:00	62.4	↑5.8
12/20 08:10	68.5	↑6.1
12/20 08:20	74.7	↑6.2
12/20 08:30	81.1	↑6.4
12/20 08:40	87.6	↑6.5
12/20 08:50	94.1	↑6.5
12/20 09:00	100.7	↑6.6	最大潮位差
12/20 09:10	107.3	↑6.6	最大潮位差
12/20 09:20	113.7	↑6.4
12/20 09:30	120.1	↑6.4
12/20 09:40	126.3	↑6.2
12/20 09:50	132.4	↑6.1
12/20 10:00	138.2	↑5.8
12/20 10:10	143.7	↑5.5
12/20 10:20	149.0	↑5.3
12/20 10:30	153.9	↑4.9
12/20 10:40	158.4	↑4.5
12/20 10:50	162.6	↑4.2
12/20 11:00	166.4	↑3.8
12/20 11:10	169.7	↑3.3
12/20 11:20	172.6	↑2.9
12/20 11:30	175.0	↑2.4
12/20 11:40	176.9	↑1.9
12/20 11:50	178.3	↑1.4
12/20 12:00	179.3	↑1.0
12/20 12:10	179.7	↑0.4	満潮
12/20 12:20	179.7	0
12/20 12:30	179.2	↓-0.5
12/20 12:40	178.2	↓-1.0
12/20 12:50	176.8	↓-1.4
12/20 13:00	174.8	↓-2.0
12/20 13:10	172.5	↓-2.3
12/20 13:20	169.8	↓-2.7
12/20 13:30	166.6	↓-3.2
12/20 13:40	163.2	↓-3.4
12/20 13:50	159.3	↓-3.9
12/20 14:00	155.2	↓-4.1
12/20 14:10	150.8	↓-4.4
12/20 14:20	146.2	↓-4.6
12/20 14:30	141.4	↓-4.8
12/20 14:40	136.5	↓-4.9
12/20 14:50	131.4	↓-5.1
12/20 15:00	126.2	↓-5.2
12/20 15:10	121.1	↓-5.1
12/20 15:20	115.9	↓-5.2
12/20 15:30	110.7	↓-5.2
12/20 15:40	105.6	↓-5.1
12/20 15:50	100.6	↓-5.0
12/20 16:00	95.8	↓-4.8
12/20 16:10	91.2	↓-4.6
12/20 16:20	86.8	↓-4.4
12/20 16:30	82.6	↓-4.2
12/20 16:40	78.7	↓-3.9
12/20 16:50	75.2	↓-3.5
12/20 17:00	71.9	↓-3.3
12/20 17:10	69.0	↓-2.9
12/20 17:20	66.5	↓-2.5
12/20 17:30	64.4	↓-2.1
12/20 17:40	62.7	↓-1.7
12/20 17:50	61.4	↓-1.3
12/20 18:00	60.6	↓-0.8
12/20 18:10	60.1	↓-0.5	干潮
12/20 18:20	60.1	0
12/20 18:30	60.5	↑0.4
12/20 18:40	61.4	↑0.9
12/20 18:50	62.6	↑1.2
12/20 19:00	64.3	↑1.7
12/20 19:10	66.3	↑2.0
12/20 19:20	68.7	↑2.4
12/20 19:30	71.5	↑2.8
12/20 19:40	74.6	↑3.1
12/20 19:50	78.0	↑3.4
12/20 20:00	81.6	↑3.6
12/20 20:10	85.5	↑3.9
12/20 20:20	89.6	↑4.1
12/20 20:30	93.9	↑4.3
12/20 20:40	98.4	↑4.5
12/20 20:50	102.9	↑4.5
12/20 21:00	107.5	↑4.6
12/20 21:10	112.2	↑4.7
12/20 21:20	116.8	↑4.6
12/20 21:30	121.4	↑4.6
12/20 21:40	126.0	↑4.6
12/20 21:50	130.4	↑4.4
12/20 22:00	134.7	↑4.3
12/20 22:10	138.8	↑4.1
12/20 22:20	142.7	↑3.9
12/20 22:30	146.3	↑3.6
12/20 22:40	149.7	↑3.4
12/20 22:50	152.8	↑3.1
12/20 23:00	155.5	↑2.7
12/20 23:10	157.9	↑2.4
12/20 23:20	159.9	↑2.0
12/20 23:30	161.5	↑1.6
12/20 23:40	162.7	↑1.2
12/20 23:50	163.5	↑0.8