20 (火)	05:37	12:50	17:07	23:15
	210cm	113cm	131cm	63cm
小潮 出 05:27 入 18:39 出 11:04 入 01:04

高松（香川）2021年04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
4/20 00:00	79.7	↑4.5
4/20 00:10	84.4	↑4.7
4/20 00:20	89.3	↑4.9
4/20 00:30	94.3	↑5.0
4/20 00:40	99.4	↑5.1	最大潮位差
4/20 00:50	104.5	↑5.1	最大潮位差
4/20 01:00	109.6	↑5.1	最大潮位差
4/20 01:10	114.7	↑5.1	最大潮位差
4/20 01:20	119.7	↑5.0
4/20 01:30	124.7	↑5.0
4/20 01:40	129.5	↑4.8
4/20 01:50	134.4	↑4.9
4/20 02:00	139.1	↑4.7
4/20 02:10	143.8	↑4.7
4/20 02:20	148.4	↑4.6
4/20 02:30	153.0	↑4.6
4/20 02:40	157.6	↑4.6
4/20 02:50	162.1	↑4.5
4/20 03:00	166.6	↑4.5
4/20 03:10	171.0	↑4.4
4/20 03:20	175.4	↑4.4
4/20 03:30	179.6	↑4.2
4/20 03:40	183.7	↑4.1
4/20 03:50	187.6	↑3.9
4/20 04:00	191.3	↑3.7
4/20 04:10	194.8	↑3.5
4/20 04:20	197.9	↑3.1
4/20 04:30	200.8	↑2.9
4/20 04:40	203.2	↑2.4
4/20 04:50	205.3	↑2.1
4/20 05:00	206.9	↑1.6
4/20 05:10	208.2	↑1.3
4/20 05:20	209.0	↑0.8
4/20 05:30	209.4	↑0.4	満潮
4/20 05:40	209.5	↑0.1
4/20 05:50	209.1	↓-0.4
4/20 06:00	208.5	↓-0.6
4/20 06:10	207.5	↓-1.0
4/20 06:20	206.3	↓-1.2
4/20 06:30	204.9	↓-1.4
4/20 06:40	203.3	↓-1.6
4/20 06:50	201.6	↓-1.7
4/20 07:00	199.8	↓-1.8
4/20 07:10	197.8	↓-2.0
4/20 07:20	195.8	↓-2.0
4/20 07:30	193.7	↓-2.1
4/20 07:40	191.5	↓-2.2
4/20 07:50	189.2	↓-2.3
4/20 08:00	186.8	↓-2.4
4/20 08:10	184.3	↓-2.5
4/20 08:20	181.7	↓-2.6
4/20 08:30	178.9	↓-2.8
4/20 08:40	176.0	↓-2.9
4/20 08:50	172.9	↓-3.1
4/20 09:00	169.6	↓-3.3
4/20 09:10	166.1	↓-3.5
4/20 09:20	162.5	↓-3.6
4/20 09:30	158.7	↓-3.8
4/20 09:40	154.8	↓-3.9
4/20 09:50	150.9	↓-3.9
4/20 10:00	147.0	↓-3.9
4/20 10:10	143.1	↓-3.9
4/20 10:20	139.2	↓-3.9
4/20 10:30	135.5	↓-3.7
4/20 10:40	132.0	↓-3.5
4/20 10:50	128.7	↓-3.3
4/20 11:00	125.7	↓-3.0
4/20 11:10	123.0	↓-2.7
4/20 11:20	120.6	↓-2.4
4/20 11:30	118.5	↓-2.1
4/20 11:40	116.7	↓-1.8
4/20 11:50	115.3	↓-1.4
4/20 12:00	114.2	↓-1.1
4/20 12:10	113.3	↓-0.9
4/20 12:20	112.7	↓-0.6
4/20 12:30	112.3	↓-0.4
4/20 12:40	112.1	↓-0.2	干潮
4/20 12:50	112.1	0	干潮
4/20 13:00	112.1	0
4/20 13:10	112.3	↑0.2
4/20 13:20	112.5	↑0.2
4/20 13:30	112.8	↑0.3
4/20 13:40	113.1	↑0.3
4/20 13:50	113.5	↑0.4
4/20 14:00	114.0	↑0.5
4/20 14:10	114.5	↑0.5
4/20 14:20	115.0	↑0.5
4/20 14:30	115.7	↑0.7
4/20 14:40	116.4	↑0.7
4/20 14:50	117.2	↑0.8
4/20 15:00	118.2	↑1.0
4/20 15:10	119.2	↑1.0
4/20 15:20	120.3	↑1.1
4/20 15:30	121.5	↑1.2
4/20 15:40	122.8	↑1.3
4/20 15:50	124.1	↑1.3
4/20 16:00	125.4	↑1.3
4/20 16:10	126.6	↑1.2
4/20 16:20	127.7	↑1.1
4/20 16:30	128.7	↑1.0
4/20 16:40	129.5	↑0.8
4/20 16:50	130.1	↑0.6
4/20 17:00	130.4	↑0.3	満潮
4/20 17:10	130.4	0
4/20 17:20	130.1	↓-0.3
4/20 17:30	129.5	↓-0.6
4/20 17:40	128.6	↓-0.9
4/20 17:50	127.4	↓-1.2
4/20 18:00	125.9	↓-1.5
4/20 18:10	124.1	↓-1.8
4/20 18:20	122.0	↓-2.1
4/20 18:30	119.8	↓-2.2
4/20 18:40	117.4	↓-2.4
4/20 18:50	115.0	↓-2.4
4/20 19:00	112.4	↓-2.6
4/20 19:10	109.8	↓-2.6
4/20 19:20	107.2	↓-2.6
4/20 19:30	104.6	↓-2.6
4/20 19:40	102.1	↓-2.5
4/20 19:50	99.6	↓-2.5
4/20 20:00	97.2	↓-2.4
4/20 20:10	94.8	↓-2.4
4/20 20:20	92.5	↓-2.3
4/20 20:30	90.2	↓-2.3
4/20 20:40	87.9	↓-2.3
4/20 20:50	85.7	↓-2.2
4/20 21:00	83.5	↓-2.2
4/20 21:10	81.3	↓-2.2
4/20 21:20	79.1	↓-2.2
4/20 21:30	76.9	↓-2.2
4/20 21:40	74.8	↓-2.1
4/20 21:50	72.7	↓-2.1
4/20 22:00	70.7	↓-2.0
4/20 22:10	68.8	↓-1.9
4/20 22:20	67.0	↓-1.8
4/20 22:30	65.5	↓-1.5
4/20 22:40	64.2	↓-1.3
4/20 22:50	63.1	↓-1.1
4/20 23:00	62.4	↓-0.7
4/20 23:10	62.1	↓-0.3	干潮
4/20 23:20	62.1	0
4/20 23:30	62.6	↑0.5
4/20 23:40	63.4	↑0.8
4/20 23:50	64.7	↑1.3