20 (月)	01:15	07:28	13:55	20:16
	157cm	47cm	166cm	58cm
小潮 出 07:24 入 17:17 出 - 入 11:57

島山（長崎）2027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	146.6	↑2.8
12/20 00:10	149.1	↑2.5
12/20 00:20	151.3	↑2.2
12/20 00:30	153.1	↑1.8
12/20 00:40	154.5	↑1.4
12/20 00:50	155.6	↑1.1
12/20 01:00	156.4	↑0.8
12/20 01:10	156.7	↑0.3	満潮
12/20 01:20	156.7	0
12/20 01:30	156.2	↓-0.5
12/20 01:40	155.4	↓-0.8
12/20 01:50	154.2	↓-1.2
12/20 02:00	152.7	↓-1.5
12/20 02:10	150.7	↓-2.0
12/20 02:20	148.5	↓-2.2
12/20 02:30	145.9	↓-2.6
12/20 02:40	143.0	↓-2.9
12/20 02:50	139.8	↓-3.2
12/20 03:00	136.3	↓-3.5
12/20 03:10	132.6	↓-3.7
12/20 03:20	128.6	↓-4.0
12/20 03:30	124.5	↓-4.1
12/20 03:40	120.2	↓-4.3
12/20 03:50	115.8	↓-4.4
12/20 04:00	111.3	↓-4.5
12/20 04:10	106.7	↓-4.6
12/20 04:20	102.1	↓-4.6
12/20 04:30	97.4	↓-4.7
12/20 04:40	92.8	↓-4.6
12/20 04:50	88.3	↓-4.5
12/20 05:00	83.9	↓-4.4
12/20 05:10	79.5	↓-4.4
12/20 05:20	75.4	↓-4.1
12/20 05:30	71.4	↓-4.0
12/20 05:40	67.6	↓-3.8
12/20 05:50	64.1	↓-3.5
12/20 06:00	60.8	↓-3.3
12/20 06:10	57.9	↓-2.9
12/20 06:20	55.2	↓-2.7
12/20 06:30	52.9	↓-2.3
12/20 06:40	50.9	↓-2.0
12/20 06:50	49.2	↓-1.7
12/20 07:00	48.0	↓-1.2
12/20 07:10	47.1	↓-0.9
12/20 07:20	46.6	↓-0.5	干潮
12/20 07:30	46.6	0
12/20 07:40	46.9	↑0.3
12/20 07:50	47.6	↑0.7
12/20 08:00	48.6	↑1.0
12/20 08:10	50.1	↑1.5
12/20 08:20	52.0	↑1.9
12/20 08:30	54.2	↑2.2
12/20 08:40	56.7	↑2.5
12/20 08:50	59.6	↑2.9
12/20 09:00	62.8	↑3.2
12/20 09:10	66.2	↑3.4
12/20 09:20	70.0	↑3.8
12/20 09:30	74.0	↑4.0
12/20 09:40	78.2	↑4.2
12/20 09:50	82.5	↑4.3
12/20 10:00	87.1	↑4.6
12/20 10:10	91.7	↑4.6
12/20 10:20	96.5	↑4.8
12/20 10:30	101.3	↑4.8
12/20 10:40	106.2	↑4.9	最大潮位差
12/20 10:50	111.0	↑4.8
12/20 11:00	115.8	↑4.8
12/20 11:10	120.6	↑4.8
12/20 11:20	125.2	↑4.6
12/20 11:30	129.8	↑4.6
12/20 11:40	134.1	↑4.3
12/20 11:50	138.3	↑4.2
12/20 12:00	142.3	↑4.0
12/20 12:10	146.0	↑3.7
12/20 12:20	149.4	↑3.4
12/20 12:30	152.6	↑3.2
12/20 12:40	155.5	↑2.9
12/20 12:50	158.0	↑2.5
12/20 13:00	160.2	↑2.2
12/20 13:10	162.1	↑1.9
12/20 13:20	163.5	↑1.4
12/20 13:30	164.7	↑1.2
12/20 13:40	165.4	↑0.7
12/20 13:50	165.7	↑0.3	満潮
12/20 14:00	165.7	0
12/20 14:10	165.2	↓-0.5
12/20 14:20	164.4	↓-0.8
12/20 14:30	163.3	↓-1.1
12/20 14:40	161.7	↓-1.6
12/20 14:50	159.8	↓-1.9
12/20 15:00	157.6	↓-2.2
12/20 15:10	155.0	↓-2.6
12/20 15:20	152.2	↓-2.8
12/20 15:30	149.1	↓-3.1
12/20 15:40	145.7	↓-3.4
12/20 15:50	142.0	↓-3.7
12/20 16:00	138.2	↓-3.8
12/20 16:10	134.2	↓-4.0
12/20 16:20	130.0	↓-4.2
12/20 16:30	125.8	↓-4.2
12/20 16:40	121.4	↓-4.4
12/20 16:50	116.9	↓-4.5
12/20 17:00	112.5	↓-4.4
12/20 17:10	108.0	↓-4.5
12/20 17:20	103.5	↓-4.5
12/20 17:30	99.1	↓-4.4
12/20 17:40	94.8	↓-4.3
12/20 17:50	90.6	↓-4.2
12/20 18:00	86.6	↓-4.0
12/20 18:10	82.7	↓-3.9
12/20 18:20	79.0	↓-3.7
12/20 18:30	75.6	↓-3.4
12/20 18:40	72.4	↓-3.2
12/20 18:50	69.4	↓-3.0
12/20 19:00	66.8	↓-2.6
12/20 19:10	64.4	↓-2.4
12/20 19:20	62.4	↓-2.0
12/20 19:30	60.7	↓-1.7
12/20 19:40	59.3	↓-1.4
12/20 19:50	58.2	↓-1.1
12/20 20:00	57.6	↓-0.6
12/20 20:10	57.2	↓-0.4	干潮
12/20 20:20	57.2	0
12/20 20:30	57.6	↑0.4
12/20 20:40	58.3	↑0.7
12/20 20:50	59.4	↑1.1
12/20 21:00	60.7	↑1.3
12/20 21:10	62.4	↑1.7
12/20 21:20	64.4	↑2.0
12/20 21:30	66.7	↑2.3
12/20 21:40	69.2	↑2.5
12/20 21:50	72.0	↑2.8
12/20 22:00	75.1	↑3.1
12/20 22:10	78.3	↑3.2
12/20 22:20	81.7	↑3.4
12/20 22:30	85.2	↑3.5
12/20 22:40	88.9	↑3.7
12/20 22:50	92.7	↑3.8
12/20 23:00	96.6	↑3.9
12/20 23:10	100.5	↑3.9
12/20 23:20	104.4	↑3.9
12/20 23:30	108.3	↑3.9
12/20 23:40	112.1	↑3.8
12/20 23:50	115.9	↑3.8