20 (土)	09:57	03:38	21:58	15:59
	198cm	-14cm	194cm	13cm
大潮 出 07:03 入 18:11 出 18:54 入 07:31 潮干狩り ◎ 14:18～17:38

島山（長崎）2038年02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
2/20 00:00	113.1	↓-8.2
2/20 00:10	104.8	↓-8.3
2/20 00:20	96.4	↓-8.4
2/20 00:30	87.8	↓-8.6
2/20 00:40	79.3	↓-8.5
2/20 00:50	70.9	↓-8.4
2/20 01:00	62.5	↓-8.4
2/20 01:10	54.3	↓-8.2
2/20 01:20	46.4	↓-7.9
2/20 01:30	38.7	↓-7.7
2/20 01:40	31.4	↓-7.3
2/20 01:50	24.5	↓-6.9
2/20 02:00	18.0	↓-6.5
2/20 02:10	12.0	↓-6.0
2/20 02:20	6.5	↓-5.5
2/20 02:30	1.6	↓-4.9
2/20 02:40	-2.7	↓-4.3
2/20 02:50	-6.3	↓-3.6
2/20 03:00	-9.3	↓-3.0
2/20 03:10	-11.6	↓-2.3
2/20 03:20	-13.2	↓-1.6
2/20 03:30	-14.0	↓-0.8	干潮
2/20 03:40	-14.2	↓-0.2
2/20 03:50	-13.6	↑0.6
2/20 04:00	-12.3	↑1.3
2/20 04:10	-10.2	↑2.1
2/20 04:20	-7.5	↑2.7
2/20 04:30	-4.1	↑3.4
2/20 04:40	0.0	↑4.1
2/20 04:50	4.7	0
2/20 05:00	10.0	↑5.3
2/20 05:10	15.9	↑5.9
2/20 05:20	22.3	↑6.4
2/20 05:30	29.1	↑6.8
2/20 05:40	36.4	↑7.3
2/20 05:50	44.1	↑7.7
2/20 06:00	52.1	↑8.0
2/20 06:10	60.4	↑8.3
2/20 06:20	68.9	↑8.5
2/20 06:30	77.6	↑8.7
2/20 06:40	86.4	↑8.8	最大潮位差
2/20 06:50	95.1	↑8.7
2/20 07:00	103.9	↑8.8	最大潮位差
2/20 07:10	112.6	↑8.7
2/20 07:20	121.1	↑8.5
2/20 07:30	129.4	↑8.3
2/20 07:40	137.5	↑8.1
2/20 07:50	145.2	↑7.7
2/20 08:00	152.6	↑7.4
2/20 08:10	159.5	↑6.9
2/20 08:20	166.0	↑6.5
2/20 08:30	171.9	↑5.9
2/20 08:40	177.3	↑5.4
2/20 08:50	182.1	↑4.8
2/20 09:00	186.3	↑4.2
2/20 09:10	189.9	↑3.6
2/20 09:20	192.7	↑2.8
2/20 09:30	194.9	↑2.2
2/20 09:40	196.4	↑1.5
2/20 09:50	197.1	↑0.7	満潮
2/20 10:00	197.1	0
2/20 10:10	196.5	↓-0.6
2/20 10:20	195.1	↓-1.4
2/20 10:30	193.0	↓-2.1
2/20 10:40	190.3	↓-2.7
2/20 10:50	186.9	↓-3.4
2/20 11:00	182.9	↓-4.0
2/20 11:10	178.3	↓-4.6
2/20 11:20	173.1	↓-5.2
2/20 11:30	167.5	↓-5.6
2/20 11:40	161.3	↓-6.2
2/20 11:50	154.8	↓-6.5
2/20 12:00	147.8	↓-7.0
2/20 12:10	140.6	↓-7.2
2/20 12:20	133.0	↓-7.6
2/20 12:30	125.3	↓-7.7
2/20 12:40	117.4	↓-7.9
2/20 12:50	109.4	↓-8.0
2/20 13:00	101.4	↓-8.0
2/20 13:10	93.4	↓-8.0
2/20 13:20	85.5	↓-7.9
2/20 13:30	77.8	↓-7.7
2/20 13:40	70.2	↓-7.6
2/20 13:50	62.9	↓-7.3
2/20 14:00	55.9	↓-7.0
2/20 14:10	49.3	↓-6.6
2/20 14:20	43.1	↓-6.2
2/20 14:30	37.4	↓-5.7
2/20 14:40	32.2	↓-5.2
2/20 14:50	27.5	↓-4.7
2/20 15:00	23.4	↓-4.1
2/20 15:10	19.9	↓-3.5
2/20 15:20	17.0	↓-2.9
2/20 15:30	14.8	↓-2.2
2/20 15:40	13.3	↓-1.5
2/20 15:50	12.4	↓-0.9	干潮
2/20 16:00	12.2	↓-0.2
2/20 16:10	12.8	↑0.6
2/20 16:20	14.0	↑1.2
2/20 16:30	15.8	↑1.8
2/20 16:40	18.4	↑2.6
2/20 16:50	21.5	↑3.1
2/20 17:00	25.3	↑3.8
2/20 17:10	29.7	↑4.4
2/20 17:20	34.6	↑4.9
2/20 17:30	40.1	↑5.5
2/20 17:40	46.0	↑5.9
2/20 17:50	52.4	↑6.4
2/20 18:00	59.1	↑6.7
2/20 18:10	66.2	↑7.1
2/20 18:20	73.5	↑7.3
2/20 18:30	81.1	↑7.6
2/20 18:40	88.8	↑7.7
2/20 18:50	96.7	↑7.9
2/20 19:00	104.6	↑7.9
2/20 19:10	112.5	↑7.9
2/20 19:20	120.3	↑7.8
2/20 19:30	128.0	↑7.7
2/20 19:40	135.5	↑7.5
2/20 19:50	142.7	↑7.2
2/20 20:00	149.7	↑7.0
2/20 20:10	156.3	↑6.6
2/20 20:20	162.4	↑6.1
2/20 20:30	168.2	↑5.8
2/20 20:40	173.4	↑5.2
2/20 20:50	178.1	↑4.7
2/20 21:00	182.2	↑4.1
2/20 21:10	185.7	↑3.5
2/20 21:20	188.6	↑2.9
2/20 21:30	190.8	↑2.2
2/20 21:40	192.3	↑1.5
2/20 21:50	193.1	↑0.8	満潮
2/20 22:00	193.3	↑0.2
2/20 22:10	192.7	↓-0.6
2/20 22:20	191.4	↓-1.3
2/20 22:30	189.4	↓-2.0
2/20 22:40	186.7	↓-2.7
2/20 22:50	183.4	↓-3.3
2/20 23:00	179.4	↓-4.0
2/20 23:10	174.7	↓-4.7
2/20 23:20	169.5	↓-5.2
2/20 23:30	163.7	↓-5.8
2/20 23:40	157.4	↓-6.3
2/20 23:50	150.7	↓-6.7