20 (月)	00:04	06:15	12:11	18:17
	290cm	106cm	260cm	100cm
小潮 出 05:15 入 19:21 出 11:19 入 22:48

上の関（山口）2026年07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
7/20 00:00	289.0	↑0.5	満潮
7/20 00:10	288.8	↓-0.2
7/20 00:20	288.0	↓-0.8
7/20 00:30	286.4	↓-1.6
7/20 00:40	284.2	↓-2.2
7/20 00:50	281.4	↓-2.8
7/20 01:00	277.9	↓-3.5
7/20 01:10	273.9	↓-4.0
7/20 01:20	269.3	↓-4.6
7/20 01:30	264.1	↓-5.2
7/20 01:40	258.5	↓-5.6
7/20 01:50	252.5	↓-6.0
7/20 02:00	246.0	↓-6.5
7/20 02:10	239.2	↓-6.8
7/20 02:20	232.1	↓-7.1
7/20 02:30	224.8	↓-7.3
7/20 02:40	217.2	↓-7.6
7/20 02:50	209.5	↓-7.7
7/20 03:00	201.8	↓-7.7
7/20 03:10	194.0	↓-7.8	最大潮位差
7/20 03:20	186.3	↓-7.7
7/20 03:30	178.6	↓-7.7
7/20 03:40	171.1	↓-7.5
7/20 03:50	163.7	↓-7.4
7/20 04:00	156.7	↓-7.0
7/20 04:10	149.9	↓-6.8
7/20 04:20	143.4	↓-6.5
7/20 04:30	137.4	↓-6.0
7/20 04:40	131.7	↓-5.7
7/20 04:50	126.6	↓-5.1
7/20 05:00	121.9	↓-4.7
7/20 05:10	117.7	↓-4.2
7/20 05:20	114.2	↓-3.5
7/20 05:30	111.2	↓-3.0
7/20 05:40	108.8	↓-2.4
7/20 05:50	107.0	↓-1.8
7/20 06:00	105.8	↓-1.2
7/20 06:10	105.2	↓-0.6	干潮
7/20 06:20	105.3	↑0.1
7/20 06:30	106.0	↑0.7
7/20 06:40	107.3	↑1.3
7/20 06:50	109.2	↑1.9
7/20 07:00	111.7	↑2.5
7/20 07:10	114.7	↑3.0
7/20 07:20	118.3	↑3.6
7/20 07:30	122.4	↑4.1
7/20 07:40	126.9	↑4.5
7/20 07:50	131.9	↑5.0
7/20 08:00	137.3	↑5.4
7/20 08:10	143.0	↑5.7
7/20 08:20	149.0	↑6.0
7/20 08:30	155.2	↑6.2
7/20 08:40	161.7	↑6.5
7/20 08:50	168.3	↑6.6
7/20 09:00	175.1	↑6.8
7/20 09:10	181.8	↑6.7
7/20 09:20	188.6	↑6.8
7/20 09:30	195.4	↑6.8
7/20 09:40	202.0	↑6.6
7/20 09:50	208.5	↑6.5
7/20 10:00	214.7	↑6.2
7/20 10:10	220.8	↑6.1
7/20 10:20	226.5	↑5.7
7/20 10:30	231.9	↑5.4
7/20 10:40	236.9	↑5.0
7/20 10:50	241.5	↑4.6
7/20 11:00	245.6	↑4.1
7/20 11:10	249.2	↑3.6
7/20 11:20	252.4	↑3.2
7/20 11:30	255.0	↑2.6
7/20 11:40	257.0	↑2.0
7/20 11:50	258.5	↑1.5
7/20 12:00	259.4	↑0.9
7/20 12:10	259.7	↑0.3	満潮
7/20 12:20	259.5	↓-0.2
7/20 12:30	258.6	↓-0.9
7/20 12:40	257.1	↓-1.5
7/20 12:50	255.1	↓-2.0
7/20 13:00	252.5	↓-2.6
7/20 13:10	249.4	↓-3.1
7/20 13:20	245.8	↓-3.6
7/20 13:30	241.7	↓-4.1
7/20 13:40	237.1	↓-4.6
7/20 13:50	232.1	↓-5.0
7/20 14:00	226.7	↓-5.4
7/20 14:10	221.0	↓-5.7
7/20 14:20	214.9	↓-6.1
7/20 14:30	208.6	↓-6.3
7/20 14:40	202.1	↓-6.5
7/20 14:50	195.4	↓-6.7
7/20 15:00	188.6	↓-6.8
7/20 15:10	181.8	↓-6.8
7/20 15:20	174.9	↓-6.9
7/20 15:30	168.0	↓-6.9
7/20 15:40	161.3	↓-6.7
7/20 15:50	154.6	↓-6.7
7/20 16:00	148.2	↓-6.4
7/20 16:10	142.0	↓-6.2
7/20 16:20	136.0	↓-6.0
7/20 16:30	130.4	↓-5.6
7/20 16:40	125.2	↓-5.2
7/20 16:50	120.3	↓-4.9
7/20 17:00	115.9	↓-4.4
7/20 17:10	111.9	↓-4.0
7/20 17:20	108.5	↓-3.4
7/20 17:30	105.6	↓-2.9
7/20 17:40	103.2	↓-2.4
7/20 17:50	101.4	↓-1.8
7/20 18:00	100.2	↓-1.2
7/20 18:10	99.5	↓-0.7	干潮
7/20 18:20	99.5	0
7/20 18:30	100.1	↑0.6
7/20 18:40	101.2	↑1.1
7/20 18:50	103.0	↑1.8
7/20 19:00	105.3	↑2.3
7/20 19:10	108.2	↑2.9
7/20 19:20	111.6	↑3.4
7/20 19:30	115.6	↑4.0
7/20 19:40	120.0	↑4.4
7/20 19:50	124.9	↑4.9
7/20 20:00	130.3	↑5.4
7/20 20:10	136.0	↑5.7
7/20 20:20	142.1	↑6.1
7/20 20:30	148.5	↑6.4
7/20 20:40	155.2	↑6.7
7/20 20:50	162.1	↑6.9
7/20 21:00	169.1	↑7.0
7/20 21:10	176.3	↑7.2
7/20 21:20	183.6	↑7.3
7/20 21:30	190.9	↑7.3
7/20 21:40	198.2	↑7.3
7/20 21:50	205.4	↑7.2
7/20 22:00	212.4	↑7.0
7/20 22:10	219.3	↑6.9
7/20 22:20	226.0	↑6.7
7/20 22:30	232.5	↑6.5
7/20 22:40	238.6	↑6.1
7/20 22:50	244.3	↑5.7
7/20 23:00	249.7	↑5.4
7/20 23:10	254.7	↑5.0
7/20 23:20	259.2	↑4.5
7/20 23:30	263.2	↑4.0
7/20 23:40	266.7	↑3.5
7/20 23:50	269.6	↑2.9