31 (日)	09:18	02:47	21:02	15:14
	193cm	-2cm	185cm	45cm
大潮 出 07:29 入 17:24 出 16:57 入 06:54

島山（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	70.1	↓-7.3
12/31 00:10	62.9	↓-7.2
12/31 00:20	55.8	↓-7.1
12/31 00:30	48.9	↓-6.9
12/31 00:40	42.3	↓-6.6
12/31 00:50	36.0	↓-6.3
12/31 01:00	30.0	↓-6.0
12/31 01:10	24.4	↓-5.6
12/31 01:20	19.3	↓-5.1
12/31 01:30	14.6	↓-4.7
12/31 01:40	10.4	↓-4.2
12/31 01:50	6.8	↓-3.6
12/31 02:00	3.7	↓-3.1
12/31 02:10	1.1	↓-2.6
12/31 02:20	-0.8	↓-1.9
12/31 02:30	-2.1	↓-1.3
12/31 02:40	-2.8	↓-0.7	干潮
12/31 02:50	-2.9	↓-0.1
12/31 03:00	-2.3	↑0.6
12/31 03:10	-1.2	↑1.1
12/31 03:20	0.7	↑1.9
12/31 03:30	3.1	↑2.4
12/31 03:40	6.1	↑3.0
12/31 03:50	9.7	↑3.6
12/31 04:00	13.8	↑4.1
12/31 04:10	18.5	↑4.7
12/31 04:20	23.7	↑5.2
12/31 04:30	29.3	↑5.6
12/31 04:40	35.4	↑6.1
12/31 04:50	41.8	↑6.4
12/31 05:00	48.6	↑6.8
12/31 05:10	55.7	↑7.1
12/31 05:20	63.1	↑7.4
12/31 05:30	70.6	↑7.5
12/31 05:40	78.3	↑7.7
12/31 05:50	86.1	↑7.8
12/31 06:00	94.0	↑7.9	最大潮位差
12/31 06:10	101.9	↑7.9	最大潮位差
12/31 06:20	109.7	↑7.8
12/31 06:30	117.4	↑7.7
12/31 06:40	125.0	↑7.6
12/31 06:50	132.3	↑7.3
12/31 07:00	139.4	↑7.1
12/31 07:10	146.3	↑6.9
12/31 07:20	152.7	↑6.4
12/31 07:30	158.8	↑6.1
12/31 07:40	164.5	↑5.7
12/31 07:50	169.7	↑5.2
12/31 08:00	174.4	↑4.7
12/31 08:10	178.7	↑4.3
12/31 08:20	182.3	↑3.6
12/31 08:30	185.4	↑3.1
12/31 08:40	188.0	↑2.6
12/31 08:50	189.9	↑1.9
12/31 09:00	191.2	↑1.3
12/31 09:10	192.0	↑0.8	満潮
12/31 09:20	192.1	↑0.1
12/31 09:30	191.6	↓-0.5
12/31 09:40	190.5	↓-1.1
12/31 09:50	188.9	↓-1.6
12/31 10:00	186.7	↓-2.2
12/31 10:10	183.9	↓-2.8
12/31 10:20	180.6	↓-3.3
12/31 10:30	176.9	↓-3.7
12/31 10:40	172.6	↓-4.3
12/31 10:50	168.0	↓-4.6
12/31 11:00	163.0	↓-5.0
12/31 11:10	157.6	↓-5.4
12/31 11:20	151.9	↓-5.7
12/31 11:30	145.9	↓-6.0
12/31 11:40	139.8	↓-6.1
12/31 11:50	133.5	↓-6.3
12/31 12:00	127.0	↓-6.5
12/31 12:10	120.5	↓-6.5
12/31 12:20	114.0	↓-6.5
12/31 12:30	107.6	↓-6.4
12/31 12:40	101.2	↓-6.4
12/31 12:50	94.9	↓-6.3
12/31 13:00	88.9	↓-6.0
12/31 13:10	83.0	↓-5.9
12/31 13:20	77.4	↓-5.6
12/31 13:30	72.2	↓-5.2
12/31 13:40	67.3	↓-4.9
12/31 13:50	62.8	↓-4.5
12/31 14:00	58.7	↓-4.1
12/31 14:10	55.1	↓-3.6
12/31 14:20	51.9	↓-3.2
12/31 14:30	49.3	↓-2.6
12/31 14:40	47.1	↓-2.2
12/31 14:50	45.6	↓-1.5
12/31 15:00	44.5	↓-1.1
12/31 15:10	44.1	↓-0.4	干潮
12/31 15:20	44.2	↑0.1
12/31 15:30	44.8	↑0.6
12/31 15:40	46.0	↑1.2
12/31 15:50	47.8	↑1.8
12/31 16:00	50.1	↑2.3
12/31 16:10	52.9	↑2.8
12/31 16:20	56.1	↑3.2
12/31 16:30	59.9	↑3.8
12/31 16:40	64.1	↑4.2
12/31 16:50	68.6	↑4.5
12/31 17:00	73.6	↑5.0
12/31 17:10	78.9	↑5.3
12/31 17:20	84.4	↑5.5
12/31 17:30	90.2	↑5.8
12/31 17:40	96.2	↑6.0
12/31 17:50	102.3	↑6.1
12/31 18:00	108.6	↑6.3
12/31 18:10	114.8	↑6.2
12/31 18:20	121.1	↑6.3
12/31 18:30	127.3	↑6.2
12/31 18:40	133.5	↑6.2
12/31 18:50	139.4	↑5.9
12/31 19:00	145.2	↑5.8
12/31 19:10	150.7	↑5.5
12/31 19:20	156.0	↑5.3
12/31 19:30	160.9	↑4.9
12/31 19:40	165.4	↑4.5
12/31 19:50	169.5	↑4.1
12/31 20:00	173.2	↑3.7
12/31 20:10	176.3	↑3.1
12/31 20:20	179.0	↑2.7
12/31 20:30	181.1	↑2.1
12/31 20:40	182.7	↑1.6
12/31 20:50	183.6	↑0.9
12/31 21:00	184.0	↑0.4	満潮
12/31 21:10	183.8	↓-0.2
12/31 21:20	183.0	↓-0.8
12/31 21:30	181.6	↓-1.4
12/31 21:40	179.5	↓-2.1
12/31 21:50	176.9	↓-2.6
12/31 22:00	173.7	↓-3.2
12/31 22:10	170.0	↓-3.7
12/31 22:20	165.7	↓-4.3
12/31 22:30	160.9	↓-4.8
12/31 22:40	155.6	↓-5.3
12/31 22:50	149.8	↓-5.8
12/31 23:00	143.7	↓-6.1
12/31 23:10	137.1	↓-6.6
12/31 23:20	130.2	↓-6.9
12/31 23:30	123.1	↓-7.1
12/31 23:40	115.7	↓-7.4
12/31 23:50	108.1	↓-7.6