31 (金)	07:31	01:01	19:21	13:29
	169cm	26cm	167cm	55cm
中潮 出 07:28 入 17:24 出 04:24 入 14:49

万関瀬戸（長崎）2021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	34.0	↓-2.8
12/31 00:10	31.5	↓-2.5
12/31 00:20	29.5	↓-2.0
12/31 00:30	27.9	↓-1.6
12/31 00:40	26.8	↓-1.1
12/31 00:50	26.1	↓-0.7
12/31 01:00	25.8	↓-0.3	干潮
12/31 01:10	26.0	↑0.2
12/31 01:20	26.7	↑0.7
12/31 01:30	27.9	↑1.2
12/31 01:40	29.5	↑1.6
12/31 01:50	31.5	↑2.0
12/31 02:00	34.0	↑2.5
12/31 02:10	36.9	↑2.9
12/31 02:20	40.1	↑3.2
12/31 02:30	43.8	↑3.7
12/31 02:40	47.8	↑4.0
12/31 02:50	52.1	↑4.3
12/31 03:00	56.7	↑4.6
12/31 03:10	61.6	↑4.9
12/31 03:20	66.7	↑5.1
12/31 03:30	72.0	↑5.3
12/31 03:40	77.5	↑5.5
12/31 03:50	83.1	↑5.6
12/31 04:00	88.9	↑5.8
12/31 04:10	94.6	↑5.7
12/31 04:20	100.4	↑5.8
12/31 04:30	106.1	↑5.7
12/31 04:40	111.8	↑5.7
12/31 04:50	117.4	↑5.6
12/31 05:00	122.9	↑5.5
12/31 05:10	128.2	↑5.3
12/31 05:20	133.3	↑5.1
12/31 05:30	138.1	↑4.8
12/31 05:40	142.7	↑4.6
12/31 05:50	146.9	↑4.2
12/31 06:00	150.9	↑4.0
12/31 06:10	154.5	↑3.6
12/31 06:20	157.7	↑3.2
12/31 06:30	160.5	↑2.8
12/31 06:40	162.9	↑2.4
12/31 06:50	164.9	↑2.0
12/31 07:00	166.5	↑1.6
12/31 07:10	167.6	↑1.1
12/31 07:20	168.2	↑0.6
12/31 07:30	168.5	↑0.3	満潮
12/31 07:40	168.2	↓-0.3
12/31 07:50	167.5	↓-0.7
12/31 08:00	166.4	↓-1.1
12/31 08:10	164.8	↓-1.6
12/31 08:20	162.9	↓-1.9
12/31 08:30	160.5	↓-2.4
12/31 08:40	157.7	↓-2.8
12/31 08:50	154.6	↓-3.1
12/31 09:00	151.2	↓-3.4
12/31 09:10	147.5	↓-3.7
12/31 09:20	143.5	↓-4.0
12/31 09:30	139.2	↓-4.3
12/31 09:40	134.8	↓-4.4
12/31 09:50	130.1	↓-4.7
12/31 10:00	125.4	↓-4.7
12/31 10:10	120.5	↓-4.9
12/31 10:20	115.6	↓-4.9
12/31 10:30	110.6	↓-5.0
12/31 10:40	105.6	↓-5.0
12/31 10:50	100.7	↓-4.9
12/31 11:00	95.9	↓-4.8
12/31 11:10	91.2	↓-4.7
12/31 11:20	86.7	↓-4.5
12/31 11:30	82.3	↓-4.4
12/31 11:40	78.2	↓-4.1
12/31 11:50	74.3	↓-3.9
12/31 12:00	70.7	↓-3.6
12/31 12:10	67.4	↓-3.3
12/31 12:20	64.5	↓-2.9
12/31 12:30	61.9	↓-2.6
12/31 12:40	59.7	↓-2.2
12/31 12:50	57.9	↓-1.8
12/31 13:00	56.5	↓-1.4
12/31 13:10	55.5	↓-1.0
12/31 13:20	54.9	↓-0.6	干潮
12/31 13:30	54.8	↓-0.1
12/31 13:40	55.1	↑0.3
12/31 13:50	55.8	↑0.7
12/31 14:00	57.0	↑1.2
12/31 14:10	58.6	↑1.6
12/31 14:20	60.6	↑2.0
12/31 14:30	62.9	↑2.3
12/31 14:40	65.7	↑2.8
12/31 14:50	68.8	↑3.1
12/31 15:00	72.2	↑3.4
12/31 15:10	75.9	↑3.7
12/31 15:20	79.9	↑4.0
12/31 15:30	84.1	↑4.2
12/31 15:40	88.6	↑4.5
12/31 15:50	93.2	↑4.6
12/31 16:00	98.0	↑4.8
12/31 16:10	102.8	↑4.8
12/31 16:20	107.8	↑5.0
12/31 16:30	112.7	↑4.9
12/31 16:40	117.7	↑5.0
12/31 16:50	122.6	↑4.9
12/31 17:00	127.4	↑4.8
12/31 17:10	132.1	↑4.7
12/31 17:20	136.6	↑4.5
12/31 17:30	140.9	↑4.3
12/31 17:40	145.0	↑4.1
12/31 17:50	148.8	↑3.8
12/31 18:00	152.3	↑3.5
12/31 18:10	155.5	↑3.2
12/31 18:20	158.3	↑2.8
12/31 18:30	160.8	↑2.5
12/31 18:40	162.8	↑2.0
12/31 18:50	164.4	↑1.6
12/31 19:00	165.6	↑1.2
12/31 19:10	166.3	↑0.7
12/31 19:20	166.5	↑0.2	満潮
12/31 19:30	166.3	↓-0.2
12/31 19:40	165.6	↓-0.7
12/31 19:50	164.4	↓-1.2
12/31 20:00	162.8	↓-1.6
12/31 20:10	160.7	↓-2.1
12/31 20:20	158.1	↓-2.6
12/31 20:30	155.1	↓-3.0
12/31 20:40	151.7	↓-3.4
12/31 20:50	147.8	↓-3.9
12/31 21:00	143.6	↓-4.2
12/31 21:10	139.1	↓-4.5
12/31 21:20	134.2	↓-4.9
12/31 21:30	129.0	↓-5.2
12/31 21:40	123.5	↓-5.5
12/31 21:50	117.8	↓-5.7
12/31 22:00	112.0	↓-5.8
12/31 22:10	105.9	↓-6.1
12/31 22:20	99.8	↓-6.1
12/31 22:30	93.6	↓-6.2	最大潮位差
12/31 22:40	87.4	↓-6.2	最大潮位差
12/31 22:50	81.2	↓-6.2	最大潮位差
12/31 23:00	75.0	↓-6.2	最大潮位差
12/31 23:10	68.9	↓-6.1
12/31 23:20	63.0	↓-5.9
12/31 23:30	57.2	↓-5.8
12/31 23:40	51.7	↓-5.5
12/31 23:50	46.4	↓-5.3