20 (月)	06:43	00:18	18:54	12:53
	171cm	45cm	168cm	51cm
若潮 出 05:46 入 18:59 出 15:21 入 03:48

島山（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	45.4	↓-0.9
4/20 00:10	45.0	↓-0.4	干潮
4/20 00:20	44.9	↓-0.1
4/20 00:30	45.3	↑0.4
4/20 00:40	46.0	↑0.7
4/20 00:50	47.1	↑1.1
4/20 01:00	48.6	↑1.5
4/20 01:10	50.5	↑1.9
4/20 01:20	52.8	↑2.3
4/20 01:30	55.4	↑2.6
4/20 01:40	58.3	↑2.9
4/20 01:50	61.6	↑3.3
4/20 02:00	65.2	↑3.6
4/20 02:10	69.1	↑3.9
4/20 02:20	73.2	↑4.1
4/20 02:30	77.6	↑4.4
4/20 02:40	82.2	↑4.6
4/20 02:50	86.9	↑4.7
4/20 03:00	91.8	↑4.9
4/20 03:10	96.8	↑5.0
4/20 03:20	101.9	↑5.1
4/20 03:30	107.0	↑5.1
4/20 03:40	112.1	↑5.1
4/20 03:50	117.2	↑5.1
4/20 04:00	122.2	↑5.0
4/20 04:10	127.2	↑5.0
4/20 04:20	132.0	↑4.8
4/20 04:30	136.6	↑4.6
4/20 04:40	141.1	↑4.5
4/20 04:50	145.3	↑4.2
4/20 05:00	149.3	↑4.0
4/20 05:10	153.0	↑3.7
4/20 05:20	156.4	↑3.4
4/20 05:30	159.4	↑3.0
4/20 05:40	162.1	↑2.7
4/20 05:50	164.5	↑2.4
4/20 06:00	166.4	↑1.9
4/20 06:10	168.0	↑1.6
4/20 06:20	169.1	↑1.1
4/20 06:30	169.8	↑0.7
4/20 06:40	170.1	↑0.3	満潮
4/20 06:50	170.0	↓-0.1
4/20 07:00	169.4	↓-0.6
4/20 07:10	168.4	↓-1.0
4/20 07:20	167.0	↓-1.4
4/20 07:30	165.2	↓-1.8
4/20 07:40	163.0	↓-2.2
4/20 07:50	160.4	↓-2.6
4/20 08:00	157.5	↓-2.9
4/20 08:10	154.2	↓-3.3
4/20 08:20	150.6	↓-3.6
4/20 08:30	146.8	↓-3.8
4/20 08:40	142.6	↓-4.2
4/20 08:50	138.2	↓-4.4
4/20 09:00	133.6	↓-4.6
4/20 09:10	128.9	↓-4.7
4/20 09:20	124.0	↓-4.9
4/20 09:30	119.0	↓-5.0
4/20 09:40	114.0	↓-5.0
4/20 09:50	108.9	↓-5.1
4/20 10:00	103.8	↓-5.1
4/20 10:10	98.8	↓-5.0
4/20 10:20	93.8	↓-5.0
4/20 10:30	89.0	↓-4.8
4/20 10:40	84.3	↓-4.7
4/20 10:50	79.8	↓-4.5
4/20 11:00	75.6	↓-4.2
4/20 11:10	71.6	↓-4.0
4/20 11:20	67.8	↓-3.8
4/20 11:30	64.4	↓-3.4
4/20 11:40	61.3	↓-3.1
4/20 11:50	58.5	↓-2.8
4/20 12:00	56.1	↓-2.4
4/20 12:10	54.1	↓-2.0
4/20 12:20	52.6	↓-1.5
4/20 12:30	51.4	↓-1.2
4/20 12:40	50.7	↓-0.7
4/20 12:50	50.4	↓-0.3	干潮
4/20 13:00	50.5	↑0.1
4/20 13:10	51.1	↑0.6
4/20 13:20	52.1	↑1.0
4/20 13:30	53.5	↑1.4
4/20 13:40	55.3	↑1.8
4/20 13:50	57.6	↑2.3
4/20 14:00	60.2	↑2.6
4/20 14:10	63.2	↑3.0
4/20 14:20	66.5	↑3.3
4/20 14:30	70.2	↑3.7
4/20 14:40	74.2	↑4.0
4/20 14:50	78.4	↑4.2
4/20 15:00	82.8	↑4.4
4/20 15:10	87.5	↑4.7
4/20 15:20	92.3	↑4.8
4/20 15:30	97.2	↑4.9
4/20 15:40	102.2	↑5.0
4/20 15:50	107.3	↑5.1
4/20 16:00	112.4	↑5.1
4/20 16:10	117.5	↑5.1
4/20 16:20	122.5	↑5.0
4/20 16:30	127.5	↑5.0
4/20 16:40	132.3	↑4.8
4/20 16:50	136.9	↑4.6
4/20 17:00	141.3	↑4.4
4/20 17:10	145.5	↑4.2
4/20 17:20	149.4	↑3.9
4/20 17:30	153.0	↑3.6
4/20 17:40	156.2	↑3.2
4/20 17:50	159.1	↑2.9
4/20 18:00	161.6	↑2.5
4/20 18:10	163.8	↑2.2
4/20 18:20	165.5	↑1.7
4/20 18:30	166.7	↑1.2
4/20 18:40	167.5	↑0.8
4/20 18:50	167.9	↑0.4	満潮
4/20 19:00	167.8	↓-0.1
4/20 19:10	167.2	↓-0.6
4/20 19:20	166.2	↓-1.0
4/20 19:30	164.7	↓-1.5
4/20 19:40	162.8	↓-1.9
4/20 19:50	160.4	↓-2.4
4/20 20:00	157.6	↓-2.8
4/20 20:10	154.5	↓-3.1
4/20 20:20	150.9	↓-3.6
4/20 20:30	146.9	↓-4.0
4/20 20:40	142.7	↓-4.2
4/20 20:50	138.1	↓-4.6
4/20 21:00	133.3	↓-4.8
4/20 21:10	128.2	↓-5.1
4/20 21:20	122.9	↓-5.3
4/20 21:30	117.5	↓-5.4
4/20 21:40	112.0	↓-5.5
4/20 21:50	106.3	↓-5.7	最大潮位差
4/20 22:00	100.6	↓-5.7	最大潮位差
4/20 22:10	94.9	↓-5.7	最大潮位差
4/20 22:20	89.3	↓-5.6
4/20 22:30	83.7	↓-5.6
4/20 22:40	78.2	↓-5.5
4/20 22:50	72.9	↓-5.3
4/20 23:00	67.8	↓-5.1
4/20 23:10	63.0	↓-4.8
4/20 23:20	58.4	↓-4.6
4/20 23:30	54.1	↓-4.3
4/20 23:40	50.1	↓-4.0
4/20 23:50	46.5	↓-3.6