31 (日)	09:14	02:41	20:42	14:54
	243cm	-4cm	256cm	84cm
大潮 出 07:26 入 17:26 出 17:00 入 06:51

黒子島（長崎）2028年12月31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
12/31 00:00	85.2	↓-9.7
12/31 00:10	75.7	↓-9.5
12/31 00:20	66.4	↓-9.3
12/31 00:30	57.6	↓-8.8
12/31 00:40	49.1	↓-8.5
12/31 00:50	41.1	↓-8.0
12/31 01:00	33.6	↓-7.5
12/31 01:10	26.6	↓-7.0
12/31 01:20	20.3	↓-6.3
12/31 01:30	14.6	↓-5.7
12/31 01:40	9.6	↓-5.0
12/31 01:50	5.3	↓-4.3
12/31 02:00	1.8	↓-3.5
12/31 02:10	-1.0	↓-2.8
12/31 02:20	-3.0	↓-2.0
12/31 02:30	-4.1	↓-1.1
12/31 02:40	-4.5	↓-0.4	干潮
12/31 02:50	-4.1	↑0.4
12/31 03:00	-2.8	↑1.3
12/31 03:10	-0.8	↑2.0
12/31 03:20	2.1	↑2.9
12/31 03:30	5.7	↑3.6
12/31 03:40	10.0	↑4.3
12/31 03:50	15.1	↑5.1
12/31 04:00	20.8	↑5.7
12/31 04:10	27.2	↑6.4
12/31 04:20	34.1	↑6.9
12/31 04:30	41.6	↑7.5
12/31 04:40	49.7	↑8.1
12/31 04:50	58.1	↑8.4
12/31 05:00	67.0	↑8.9
12/31 05:10	76.2	↑9.2
12/31 05:20	85.6	↑9.4
12/31 05:30	95.3	↑9.7
12/31 05:40	105.1	↑9.8
12/31 05:50	115.0	↑9.9
12/31 06:00	124.9	↑9.9
12/31 06:10	134.8	↑9.9
12/31 06:20	144.5	↑9.7
12/31 06:30	154.1	↑9.6
12/31 06:40	163.4	↑9.3
12/31 06:50	172.4	↑9.0
12/31 07:00	181.1	↑8.7
12/31 07:10	189.4	↑8.3
12/31 07:20	197.2	↑7.8
12/31 07:30	204.5	↑7.3
12/31 07:40	211.3	↑6.8
12/31 07:50	217.5	↑6.2
12/31 08:00	223.0	↑5.5
12/31 08:10	227.9	↑4.9
12/31 08:20	232.1	↑4.2
12/31 08:30	235.6	↑3.5
12/31 08:40	238.4	↑2.8
12/31 08:50	240.5	↑2.1
12/31 09:00	241.8	↑1.3
12/31 09:10	242.4	↑0.6	満潮
12/31 09:20	242.3	↓-0.1
12/31 09:30	241.4	↓-0.9
12/31 09:40	239.9	↓-1.5
12/31 09:50	237.7	↓-2.2
12/31 10:00	234.8	↓-2.9
12/31 10:10	231.3	↓-3.5
12/31 10:20	227.2	↓-4.1
12/31 10:30	222.5	↓-4.7
12/31 10:40	217.4	↓-5.1
12/31 10:50	211.8	↓-5.6
12/31 11:00	205.8	↓-6.0
12/31 11:10	199.4	↓-6.4
12/31 11:20	192.7	↓-6.7
12/31 11:30	185.8	↓-6.9
12/31 11:40	178.7	↓-7.1
12/31 11:50	171.5	↓-7.2
12/31 12:00	164.2	↓-7.3
12/31 12:10	156.9	↓-7.3
12/31 12:20	149.7	↓-7.2
12/31 12:30	142.6	↓-7.1
12/31 12:40	135.6	↓-7.0
12/31 12:50	128.9	↓-6.7
12/31 13:00	122.5	↓-6.4
12/31 13:10	116.4	↓-6.1
12/31 13:20	110.7	↓-5.7
12/31 13:30	105.5	↓-5.2
12/31 13:40	100.7	↓-4.8
12/31 13:50	96.4	↓-4.3
12/31 14:00	92.8	↓-3.6
12/31 14:10	89.6	↓-3.2
12/31 14:20	87.2	↓-2.4
12/31 14:30	85.3	↓-1.9
12/31 14:40	84.1	↓-1.2
12/31 14:50	83.5	↓-0.6	干潮
12/31 15:00	83.7	↑0.2
12/31 15:10	84.5	↑0.8
12/31 15:20	85.9	↑1.4
12/31 15:30	88.1	↑2.2
12/31 15:40	90.8	↑2.7
12/31 15:50	94.2	↑3.4
12/31 16:00	98.2	↑4.0
12/31 16:10	102.7	↑4.5
12/31 16:20	107.8	↑5.1
12/31 16:30	113.4	↑5.6
12/31 16:40	119.4	↑6.0
12/31 16:50	125.9	↑6.5
12/31 17:00	132.7	↑6.8
12/31 17:10	139.8	↑7.1
12/31 17:20	147.1	↑7.3
12/31 17:30	154.6	↑7.5
12/31 17:40	162.3	↑7.7
12/31 17:50	170.0	↑7.7
12/31 18:00	177.8	↑7.8
12/31 18:10	185.5	↑7.7
12/31 18:20	193.0	↑7.5
12/31 18:30	200.4	↑7.4
12/31 18:40	207.6	↑7.2
12/31 18:50	214.4	↑6.8
12/31 19:00	220.9	↑6.5
12/31 19:10	227.0	↑6.1
12/31 19:20	232.6	↑5.6
12/31 19:30	237.8	↑5.2
12/31 19:40	242.3	↑4.5
12/31 19:50	246.3	↑4.0
12/31 20:00	249.6	↑3.3
12/31 20:10	252.2	↑2.6
12/31 20:20	254.1	↑1.9
12/31 20:30	255.3	↑1.2
12/31 20:40	255.8	↑0.5	満潮
12/31 20:50	255.5	↓-0.3
12/31 21:00	254.4	↓-1.1
12/31 21:10	252.5	↓-1.9
12/31 21:20	249.9	↓-2.6
12/31 21:30	246.5	↓-3.4
12/31 21:40	242.4	↓-4.1
12/31 21:50	237.5	↓-4.9
12/31 22:00	232.0	↓-5.5
12/31 22:10	225.7	↓-6.3
12/31 22:20	218.8	↓-6.9
12/31 22:30	211.3	↓-7.5
12/31 22:40	203.3	↓-8.0
12/31 22:50	194.7	↓-8.6
12/31 23:00	185.7	↓-9.0
12/31 23:10	176.2	↓-9.5
12/31 23:20	166.5	↓-9.7
12/31 23:30	156.4	↓-10.1
12/31 23:40	146.1	↓-10.3
12/31 23:50	135.7	↓-10.4	最大潮位差