23 (土)	11:30	05:10	23:23	17:26
	213cm	33cm	207cm	71cm
中潮 出 06:12 入 18:19 出 11:15 入 21:11

島山（長崎）2028年09月23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
9/23 00:00	203.7	↓-3.9
9/23 00:10	199.2	↓-4.5
9/23 00:20	194.3	↓-4.9
9/23 00:30	188.8	↓-5.5
9/23 00:40	182.9	↓-5.9
9/23 00:50	176.6	↓-6.3
9/23 01:00	170.0	↓-6.6
9/23 01:10	163.1	↓-6.9
9/23 01:20	155.9	↓-7.2
9/23 01:30	148.4	↓-7.5
9/23 01:40	140.9	↓-7.5
9/23 01:50	133.2	↓-7.7
9/23 02:00	125.5	↓-7.7
9/23 02:10	117.7	↓-7.8	最大潮位差
9/23 02:20	110.1	↓-7.6
9/23 02:30	102.5	↓-7.6
9/23 02:40	95.1	↓-7.4
9/23 02:50	87.9	↓-7.2
9/23 03:00	81.0	↓-6.9
9/23 03:10	74.3	↓-6.7
9/23 03:20	68.1	↓-6.2
9/23 03:30	62.2	↓-5.9
9/23 03:40	56.8	↓-5.4
9/23 03:50	51.8	↓-5.0
9/23 04:00	47.4	↓-4.4
9/23 04:10	43.5	↓-3.9
9/23 04:20	40.2	↓-3.3
9/23 04:30	37.4	↓-2.8
9/23 04:40	35.3	↓-2.1
9/23 04:50	33.8	↓-1.5
9/23 05:00	32.9	↓-0.9	干潮
9/23 05:10	32.6	↓-0.3	干潮
9/23 05:20	33.0	↑0.4
9/23 05:30	34.0	↑1.0
9/23 05:40	35.7	↑1.7
9/23 05:50	37.9	↑2.2
9/23 06:00	40.7	↑2.8
9/23 06:10	44.2	↑3.5
9/23 06:20	48.1	↑3.9
9/23 06:30	52.6	↑4.5
9/23 06:40	57.6	↑5.0
9/23 06:50	63.0	↑5.4
9/23 07:00	68.8	↑5.8
9/23 07:10	75.0	↑6.2
9/23 07:20	81.5	↑6.5
9/23 07:30	88.3	↑6.8
9/23 07:40	95.4	↑7.1
9/23 07:50	102.6	↑7.2
9/23 08:00	109.9	↑7.3
9/23 08:10	117.3	↑7.4
9/23 08:20	124.8	↑7.5
9/23 08:30	132.2	↑7.4
9/23 08:40	139.6	↑7.4
9/23 08:50	146.8	↑7.2
9/23 09:00	153.9	↑7.1
9/23 09:10	160.7	↑6.8
9/23 09:20	167.3	↑6.6
9/23 09:30	173.5	↑6.2
9/23 09:40	179.4	↑5.9
9/23 09:50	184.9	↑5.5
9/23 10:00	190.0	↑5.1
9/23 10:10	194.6	↑4.6
9/23 10:20	198.8	↑4.2
9/23 10:30	202.4	↑3.6
9/23 10:40	205.5	↑3.1
9/23 10:50	208.0	↑2.5
9/23 11:00	209.9	↑1.9
9/23 11:10	211.3	↑1.4
9/23 11:20	212.1	↑0.8	満潮
9/23 11:30	212.3	↑0.2	満潮
9/23 11:40	212.0	↓-0.3
9/23 11:50	211.0	↓-1.0
9/23 12:00	209.5	↓-1.5
9/23 12:10	207.5	↓-2.0
9/23 12:20	204.9	↓-2.6
9/23 12:30	201.9	↓-3.0
9/23 12:40	198.3	↓-3.6
9/23 12:50	194.4	↓-3.9
9/23 13:00	190.0	↓-4.4
9/23 13:10	185.2	↓-4.8
9/23 13:20	180.1	↓-5.1
9/23 13:30	174.7	↓-5.4
9/23 13:40	169.0	↓-5.7
9/23 13:50	163.2	↓-5.8
9/23 14:00	157.2	↓-6.0
9/23 14:10	151.0	↓-6.2
9/23 14:20	144.8	↓-6.2
9/23 14:30	138.6	↓-6.2
9/23 14:40	132.4	↓-6.2
9/23 14:50	126.3	↓-6.1
9/23 15:00	120.3	↓-6.0
9/23 15:10	114.5	↓-5.8
9/23 15:20	108.9	↓-5.6
9/23 15:30	103.5	↓-5.4
9/23 15:40	98.4	↓-5.1
9/23 15:50	93.7	↓-4.7
9/23 16:00	89.3	↓-4.4
9/23 16:10	85.4	↓-3.9
9/23 16:20	81.8	↓-3.6
9/23 16:30	78.8	↓-3.0
9/23 16:40	76.2	↓-2.6
9/23 16:50	74.0	↓-2.2
9/23 17:00	72.4	↓-1.6
9/23 17:10	71.4	↓-1.0
9/23 17:20	70.8	↓-0.6	干潮
9/23 17:30	70.8	0
9/23 17:40	71.3	↑0.5
9/23 17:50	72.3	↑1.0
9/23 18:00	73.9	↑1.6
9/23 18:10	75.9	↑2.0
9/23 18:20	78.5	↑2.6
9/23 18:30	81.5	↑3.0
9/23 18:40	84.9	↑3.4
9/23 18:50	88.8	↑3.9
9/23 19:00	93.0	↑4.2
9/23 19:10	97.6	↑4.6
9/23 19:20	102.5	↑4.9
9/23 19:30	107.7	↑5.2
9/23 19:40	113.1	↑5.4
9/23 19:50	118.7	↑5.6
9/23 20:00	124.5	↑5.8
9/23 20:10	130.4	↑5.9
9/23 20:20	136.4	↑6.0
9/23 20:30	142.3	↑5.9
9/23 20:40	148.3	↑6.0
9/23 20:50	154.2	↑5.9
9/23 21:00	159.9	↑5.7
9/23 21:10	165.5	↑5.6
9/23 21:20	170.9	↑5.4
9/23 21:30	176.0	↑5.1
9/23 21:40	180.9	↑4.9
9/23 21:50	185.4	↑4.5
9/23 22:00	189.6	↑4.2
9/23 22:10	193.3	↑3.7
9/23 22:20	196.7	↑3.4
9/23 22:30	199.6	↑2.9
9/23 22:40	202.0	↑2.4
9/23 22:50	204.0	↑2.0
9/23 23:00	205.4	↑1.4
9/23 23:10	206.3	↑0.9
9/23 23:20	206.7	↑0.4	満潮
9/23 23:30	206.5	↓-0.2
9/23 23:40	205.9	↓-0.6
9/23 23:50	204.6	↓-1.3