20 (水)	07:10	00:41	19:12	13:16
	238cm	55cm	231cm	76cm
中潮 出 05:48 入 18:57 出 04:24 入 16:01

志々伎湾（長崎）2039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	58.5	↓-2.5
4/20 00:10	56.6	↓-1.9
4/20 00:20	55.2	↓-1.4
4/20 00:30	54.3	↓-0.9
4/20 00:40	54.1	↓-0.2	干潮
4/20 00:50	54.4	↑0.3
4/20 01:00	55.2	↑0.8
4/20 01:10	56.7	↑1.5
4/20 01:20	58.7	↑2.0
4/20 01:30	61.3	↑2.6
4/20 01:40	64.4	↑3.1
4/20 01:50	68.0	↑3.6
4/20 02:00	72.2	↑4.2
4/20 02:10	76.8	↑4.6
4/20 02:20	81.9	↑5.1
4/20 02:30	87.3	↑5.4
4/20 02:40	93.2	↑5.9
4/20 02:50	99.5	↑6.3
4/20 03:00	106.0	↑6.5
4/20 03:10	112.8	↑6.8
4/20 03:20	119.8	↑7.0
4/20 03:30	127.0	↑7.2
4/20 03:40	134.3	↑7.3
4/20 03:50	141.7	↑7.4
4/20 04:00	149.2	↑7.5
4/20 04:10	156.6	↑7.4
4/20 04:20	164.0	↑7.4
4/20 04:30	171.2	↑7.2
4/20 04:40	178.3	↑7.1
4/20 04:50	185.2	↑6.9
4/20 05:00	191.8	↑6.6
4/20 05:10	198.1	↑6.3
4/20 05:20	204.0	↑5.9
4/20 05:30	209.6	↑5.6
4/20 05:40	214.8	↑5.2
4/20 05:50	219.5	↑4.7
4/20 06:00	223.7	↑4.2
4/20 06:10	227.4	↑3.7
4/20 06:20	230.6	↑3.2
4/20 06:30	233.2	↑2.6
4/20 06:40	235.2	↑2.0
4/20 06:50	236.7	↑1.5
4/20 07:00	237.5	↑0.8	満潮
4/20 07:10	237.8	↑0.3	満潮
4/20 07:20	237.4	↓-0.4
4/20 07:30	236.5	↓-0.9
4/20 07:40	234.9	↓-1.6
4/20 07:50	232.8	↓-2.1
4/20 08:00	230.1	↓-2.7
4/20 08:10	226.9	↓-3.2
4/20 08:20	223.2	↓-3.7
4/20 08:30	218.9	↓-4.3
4/20 08:40	214.3	↓-4.6
4/20 08:50	209.1	↓-5.2
4/20 09:00	203.7	↓-5.4
4/20 09:10	197.8	↓-5.9
4/20 09:20	191.7	↓-6.1
4/20 09:30	185.3	↓-6.4
4/20 09:40	178.7	↓-6.6
4/20 09:50	171.9	↓-6.8
4/20 10:00	165.1	↓-6.8
4/20 10:10	158.1	↓-7.0
4/20 10:20	151.2	↓-6.9
4/20 10:30	144.3	↓-6.9
4/20 10:40	137.5	↓-6.8
4/20 10:50	130.8	↓-6.7
4/20 11:00	124.4	↓-6.4
4/20 11:10	118.1	↓-6.3
4/20 11:20	112.2	↓-5.9
4/20 11:30	106.5	↓-5.7
4/20 11:40	101.3	↓-5.2
4/20 11:50	96.4	↓-4.9
4/20 12:00	92.0	↓-4.4
4/20 12:10	88.1	↓-3.9
4/20 12:20	84.7	↓-3.4
4/20 12:30	81.8	↓-2.9
4/20 12:40	79.4	↓-2.4
4/20 12:50	77.6	↓-1.8
4/20 13:00	76.4	↓-1.2
4/20 13:10	75.8	↓-0.6	干潮
4/20 13:20	75.8	0
4/20 13:30	76.4	↑0.6
4/20 13:40	77.5	↑1.1
4/20 13:50	79.3	↑1.8
4/20 14:00	81.6	↑2.3
4/20 14:10	84.4	↑2.8
4/20 14:20	87.8	↑3.4
4/20 14:30	91.7	↑3.9
4/20 14:40	96.1	↑4.4
4/20 14:50	100.9	↑4.8
4/20 15:00	106.1	↑5.2
4/20 15:10	111.7	↑5.6
4/20 15:20	117.6	↑5.9
4/20 15:30	123.7	↑6.1
4/20 15:40	130.1	↑6.4
4/20 15:50	136.7	↑6.6
4/20 16:00	143.4	↑6.7
4/20 16:10	150.2	↑6.8
4/20 16:20	157.0	↑6.8
4/20 16:30	163.8	↑6.8
4/20 16:40	170.5	↑6.7
4/20 16:50	177.1	↑6.6
4/20 17:00	183.5	↑6.4
4/20 17:10	189.7	↑6.2
4/20 17:20	195.6	↑5.9
4/20 17:30	201.2	↑5.6
4/20 17:40	206.4	↑5.2
4/20 17:50	211.2	↑4.8
4/20 18:00	215.5	↑4.3
4/20 18:10	219.4	↑3.9
4/20 18:20	222.7	↑3.3
4/20 18:30	225.5	↑2.8
4/20 18:40	227.7	↑2.2
4/20 18:50	229.3	↑1.6
4/20 19:00	230.3	↑1.0
4/20 19:10	230.7	↑0.4	満潮
4/20 19:20	230.4	↓-0.3
4/20 19:30	229.6	↓-0.8
4/20 19:40	228.1	↓-1.5
4/20 19:50	225.9	↓-2.2
4/20 20:00	223.2	↓-2.7
4/20 20:10	219.9	↓-3.3
4/20 20:20	215.9	↓-4.0
4/20 20:30	211.5	↓-4.4
4/20 20:40	206.5	↓-5.0
4/20 20:50	201.0	↓-5.5
4/20 21:00	195.1	↓-5.9
4/20 21:10	188.8	↓-6.3
4/20 21:20	182.1	↓-6.7
4/20 21:30	175.0	↓-7.1
4/20 21:40	167.7	↓-7.3
4/20 21:50	160.2	↓-7.5
4/20 22:00	152.5	↓-7.7
4/20 22:10	144.7	↓-7.8
4/20 22:20	136.8	↓-7.9	最大潮位差
4/20 22:30	128.9	↓-7.9	最大潮位差
4/20 22:40	121.1	↓-7.8
4/20 22:50	113.4	↓-7.7
4/20 23:00	105.8	↓-7.6
4/20 23:10	98.5	↓-7.3
4/20 23:20	91.4	↓-7.1
4/20 23:30	84.7	↓-6.7
4/20 23:40	78.3	↓-6.4
4/20 23:50	72.3	↓-6.0