20 (日)	02:15	07:40	12:51	20:20
	197cm	149cm	188cm	74cm
小潮 出 05:47 入 18:57 出 00:53 入 10:33

志々伎湾（長崎）2025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	170.5	↑4.0
4/20 00:10	174.2	↑3.7
4/20 00:20	177.7	↑3.5
4/20 00:30	180.9	↑3.2
4/20 00:40	183.9	↑3.0
4/20 00:50	186.5	↑2.6
4/20 01:00	188.9	↑2.4
4/20 01:10	190.9	↑2.0
4/20 01:20	192.7	↑1.8
4/20 01:30	194.1	↑1.4
4/20 01:40	195.3	↑1.2
4/20 01:50	196.1	↑0.8
4/20 02:00	196.7	↑0.6
4/20 02:10	196.9	↑0.2	満潮
4/20 02:20	196.9	0
4/20 02:30	196.6	↓-0.3
4/20 02:40	196.0	↓-0.6
4/20 02:50	195.2	↓-0.8
4/20 03:00	194.1	↓-1.1
4/20 03:10	192.9	↓-1.2
4/20 03:20	191.4	↓-1.5
4/20 03:30	189.8	↓-1.6
4/20 03:40	188.0	↓-1.8
4/20 03:50	186.0	↓-2.0
4/20 04:00	184.0	↓-2.0
4/20 04:10	181.8	↓-2.2
4/20 04:20	179.6	↓-2.2
4/20 04:30	177.3	↓-2.3
4/20 04:40	175.0	↓-2.3
4/20 04:50	172.7	↓-2.3
4/20 05:00	170.4	↓-2.3
4/20 05:10	168.1	↓-2.3
4/20 05:20	165.8	↓-2.3
4/20 05:30	163.7	↓-2.1
4/20 05:40	161.6	↓-2.1
4/20 05:50	159.6	↓-2.0
4/20 06:00	157.7	↓-1.9
4/20 06:10	156.0	↓-1.7
4/20 06:20	154.4	↓-1.6
4/20 06:30	153.0	↓-1.4
4/20 06:40	151.8	↓-1.2
4/20 06:50	150.7	↓-1.1
4/20 07:00	149.9	↓-0.8
4/20 07:10	149.2	↓-0.7
4/20 07:20	148.7	↓-0.5
4/20 07:30	148.4	↓-0.3	干潮
4/20 07:40	148.4	0	干潮
4/20 07:50	148.5	↑0.1
4/20 08:00	148.8	↑0.3
4/20 08:10	149.3	↑0.5
4/20 08:20	150.0	↑0.7
4/20 08:30	150.9	↑0.9
4/20 08:40	151.9	↑1.0
4/20 08:50	153.1	↑1.2
4/20 09:00	154.5	↑1.4
4/20 09:10	156.0	↑1.5
4/20 09:20	157.6	↑1.6
4/20 09:30	159.3	↑1.7
4/20 09:40	161.1	↑1.8
4/20 09:50	162.9	↑1.8
4/20 10:00	164.9	↑2.0
4/20 10:10	166.8	↑1.9
4/20 10:20	168.8	↑2.0
4/20 10:30	170.8	↑2.0
4/20 10:40	172.7	↑1.9
4/20 10:50	174.6	↑1.9
4/20 11:00	176.5	↑1.9
4/20 11:10	178.2	↑1.7
4/20 11:20	179.9	↑1.7
4/20 11:30	181.5	↑1.6
4/20 11:40	182.9	↑1.4
4/20 11:50	184.2	↑1.3
4/20 12:00	185.3	↑1.1
4/20 12:10	186.2	↑0.9
4/20 12:20	187.0	↑0.8
4/20 12:30	187.5	↑0.5
4/20 12:40	187.8	↑0.3
4/20 12:50	187.9	↑0.1	満潮
4/20 13:00	187.8	↓-0.1
4/20 13:10	187.5	↓-0.3
4/20 13:20	186.9	↓-0.6
4/20 13:30	186.0	↓-0.9
4/20 13:40	184.9	↓-1.1
4/20 13:50	183.6	↓-1.3
4/20 14:00	182.0	↓-1.6
4/20 14:10	180.2	↓-1.8
4/20 14:20	178.2	↓-2.0
4/20 14:30	175.9	↓-2.3
4/20 14:40	173.4	↓-2.5
4/20 14:50	170.7	↓-2.7
4/20 15:00	167.8	↓-2.9
4/20 15:10	164.6	↓-3.2
4/20 15:20	161.4	↓-3.2
4/20 15:30	157.9	↓-3.5
4/20 15:40	154.3	↓-3.6
4/20 15:50	150.6	↓-3.7
4/20 16:00	146.8	↓-3.8
4/20 16:10	142.9	↓-3.9
4/20 16:20	138.9	↓-4.0
4/20 16:30	134.9	↓-4.0
4/20 16:40	130.8	↓-4.1
4/20 16:50	126.8	↓-4.0
4/20 17:00	122.7	↓-4.1
4/20 17:10	118.7	↓-4.0
4/20 17:20	114.7	↓-4.0
4/20 17:30	110.8	↓-3.9
4/20 17:40	107.0	↓-3.8
4/20 17:50	103.4	↓-3.6
4/20 18:00	99.8	↓-3.6
4/20 18:10	96.4	↓-3.4
4/20 18:20	93.2	↓-3.2
4/20 18:30	90.2	↓-3.0
4/20 18:40	87.4	↓-2.8
4/20 18:50	84.8	↓-2.6
4/20 19:00	82.4	↓-2.4
4/20 19:10	80.3	↓-2.1
4/20 19:20	78.5	↓-1.8
4/20 19:30	76.9	↓-1.6
4/20 19:40	75.6	↓-1.3
4/20 19:50	74.6	↓-1.0
4/20 20:00	73.9	↓-0.7
4/20 20:10	73.5	↓-0.4	干潮
4/20 20:20	73.3	↓-0.2	干潮
4/20 20:30	73.5	↑0.2
4/20 20:40	74.0	↑0.5
4/20 20:50	74.8	↑0.8
4/20 21:00	75.8	↑1.0
4/20 21:10	77.2	↑1.4
4/20 21:20	78.8	↑1.6
4/20 21:30	80.8	↑2.0
4/20 21:40	82.9	↑2.1
4/20 21:50	85.4	↑2.5
4/20 22:00	88.0	↑2.6
4/20 22:10	90.9	↑2.9
4/20 22:20	94.0	↑3.1
4/20 22:30	97.3	↑3.3
4/20 22:40	100.8	↑3.5
4/20 22:50	104.4	↑3.6
4/20 23:00	108.2	↑3.8
4/20 23:10	112.1	↑3.9
4/20 23:20	116.1	↑4.0
4/20 23:30	120.1	↑4.0
4/20 23:40	124.3	↑4.2	最大潮位差
4/20 23:50	128.4	↑4.1