20 (土)	09:30	02:57	21:10	15:24
	194cm	-1cm	184cm	52cm
大潮 出 07:24 入 17:17 出 07:41 入 17:07

島山（長崎）2025年12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
12/20 00:00	79.1	↓-7.5
12/20 00:10	71.7	↓-7.4
12/20 00:20	64.5	↓-7.2
12/20 00:30	57.3	↓-7.2
12/20 00:40	50.5	↓-6.8
12/20 00:50	43.8	↓-6.7
12/20 01:00	37.5	↓-6.3
12/20 01:10	31.5	↓-6.0
12/20 01:20	25.9	↓-5.6
12/20 01:30	20.8	↓-5.1
12/20 01:40	16.1	↓-4.7
12/20 01:50	11.9	↓-4.2
12/20 02:00	8.3	↓-3.6
12/20 02:10	5.2	↓-3.1
12/20 02:20	2.7	↓-2.5
12/20 02:30	0.7	↓-2.0
12/20 02:40	-0.6	↓-1.3
12/20 02:50	-1.3	↓-0.7	干潮
12/20 03:00	-1.3	0
12/20 03:10	-0.8	↑0.5
12/20 03:20	0.4	↑1.2
12/20 03:30	2.2	↑1.8
12/20 03:40	4.7	↑2.5
12/20 03:50	7.7	↑3.0
12/20 04:00	11.3	↑3.6
12/20 04:10	15.4	↑4.1
12/20 04:20	20.1	↑4.7
12/20 04:30	25.2	↑5.1
12/20 04:40	30.9	↑5.7
12/20 04:50	36.9	↑6.0
12/20 05:00	43.3	↑6.4
12/20 05:10	50.1	↑6.8
12/20 05:20	57.2	↑7.1
12/20 05:30	64.5	↑7.3
12/20 05:40	72.1	↑7.6
12/20 05:50	79.7	↑7.6
12/20 06:00	87.5	↑7.8
12/20 06:10	95.4	↑7.9	最大潮位差
12/20 06:20	103.2	↑7.8
12/20 06:30	111.0	↑7.8
12/20 06:40	118.7	↑7.7
12/20 06:50	126.2	↑7.5
12/20 07:00	133.6	↑7.4
12/20 07:10	140.7	↑7.1
12/20 07:20	147.5	↑6.8
12/20 07:30	153.9	↑6.4
12/20 07:40	160.0	↑6.1
12/20 07:50	165.7	↑5.7
12/20 08:00	170.9	↑5.2
12/20 08:10	175.7	↑4.8
12/20 08:20	179.9	↑4.2
12/20 08:30	183.6	↑3.7
12/20 08:40	186.8	↑3.2
12/20 08:50	189.4	↑2.6
12/20 09:00	191.4	↑2.0
12/20 09:10	192.8	↑1.4
12/20 09:20	193.6	↑0.8	満潮
12/20 09:30	193.9	↑0.3	満潮
12/20 09:40	193.5	↓-0.4
12/20 09:50	192.6	↓-0.9
12/20 10:00	191.1	↓-1.5
12/20 10:10	189.0	↓-2.1
12/20 10:20	186.4	↓-2.6
12/20 10:30	183.3	↓-3.1
12/20 10:40	179.7	↓-3.6
12/20 10:50	175.7	↓-4.0
12/20 11:00	171.2	↓-4.5
12/20 11:10	166.4	↓-4.8
12/20 11:20	161.2	↓-5.2
12/20 11:30	155.7	↓-5.5
12/20 11:40	150.0	↓-5.7
12/20 11:50	144.1	↓-5.9
12/20 12:00	138.0	↓-6.1
12/20 12:10	131.8	↓-6.2
12/20 12:20	125.6	↓-6.2
12/20 12:30	119.3	↓-6.3
12/20 12:40	113.1	↓-6.2
12/20 12:50	106.9	↓-6.2
12/20 13:00	100.9	↓-6.0
12/20 13:10	95.0	↓-5.9
12/20 13:20	89.4	↓-5.6
12/20 13:30	84.0	↓-5.4
12/20 13:40	78.9	↓-5.1
12/20 13:50	74.2	↓-4.7
12/20 14:00	69.9	↓-4.3
12/20 14:10	65.9	↓-4.0
12/20 14:20	62.4	↓-3.5
12/20 14:30	59.4	↓-3.0
12/20 14:40	56.8	↓-2.6
12/20 14:50	54.8	↓-2.0
12/20 15:00	53.3	↓-1.5
12/20 15:10	52.3	↓-1.0
12/20 15:20	51.8	↓-0.5	干潮
12/20 15:30	51.9	↑0.1
12/20 15:40	52.5	↑0.6
12/20 15:50	53.7	↑1.2
12/20 16:00	55.4	↑1.7
12/20 16:10	57.6	↑2.2
12/20 16:20	60.2	↑2.6
12/20 16:30	63.4	↑3.2
12/20 16:40	67.0	↑3.6
12/20 16:50	71.0	↑4.0
12/20 17:00	75.3	↑4.3
12/20 17:10	80.1	↑4.8
12/20 17:20	85.1	↑5.0
12/20 17:30	90.4	↑5.3
12/20 17:40	95.9	↑5.5
12/20 17:50	101.7	↑5.8
12/20 18:00	107.5	↑5.8
12/20 18:10	113.4	↑5.9
12/20 18:20	119.4	↑6.0
12/20 18:30	125.4	↑6.0
12/20 18:40	131.3	↑5.9
12/20 18:50	137.1	↑5.8
12/20 19:00	142.7	↑5.6
12/20 19:10	148.2	↑5.5
12/20 19:20	153.4	↑5.2
12/20 19:30	158.3	↑4.9
12/20 19:40	162.9	↑4.6
12/20 19:50	167.2	↑4.3
12/20 20:00	171.0	↑3.8
12/20 20:10	174.4	↑3.4
12/20 20:20	177.3	↑2.9
12/20 20:30	179.7	↑2.4
12/20 20:40	181.6	↑1.9
12/20 20:50	183.0	↑1.4
12/20 21:00	183.8	↑0.8	満潮
12/20 21:10	184.0	↑0.2	満潮
12/20 21:20	183.6	↓-0.4
12/20 21:30	182.7	↓-0.9
12/20 21:40	181.2	↓-1.5
12/20 21:50	179.1	↓-2.1
12/20 22:00	176.4	↓-2.7
12/20 22:10	173.2	↓-3.2
12/20 22:20	169.5	↓-3.7
12/20 22:30	165.2	↓-4.3
12/20 22:40	160.4	↓-4.8
12/20 22:50	155.2	↓-5.2
12/20 23:00	149.5	↓-5.7
12/20 23:10	143.5	↓-6.0
12/20 23:20	137.0	↓-6.5
12/20 23:30	130.3	↓-6.7
12/20 23:40	123.3	↓-7.0
12/20 23:50	116.1	↓-7.2