20 (月)	01:01	07:11	12:19	18:49
	319cm	107cm	268cm	14cm
中潮 出 05:29 入 18:41 出 07:01 入 22:15 潮干狩り ◎ 16:40～18:41

坂出（香川）2026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	305.5	↑4.7
4/20 00:10	309.5	↑4.0
4/20 00:20	312.8	↑3.3
4/20 00:30	315.4	↑2.6
4/20 00:40	317.3	↑1.9
4/20 00:50	318.5	↑1.2
4/20 01:00	318.9	↑0.4	満潮
4/20 01:10	318.5	↓-0.4
4/20 01:20	317.2	↓-1.3
4/20 01:30	315.2	↓-2.0
4/20 01:40	312.2	↓-3.0
4/20 01:50	308.4	↓-3.8
4/20 02:00	303.7	↓-4.7
4/20 02:10	298.2	↓-5.5
4/20 02:20	291.8	↓-6.4
4/20 02:30	284.8	↓-7.0
4/20 02:40	277.0	↓-7.8
4/20 02:50	268.7	↓-8.3
4/20 03:00	259.8	↓-8.9
4/20 03:10	250.6	↓-9.2
4/20 03:20	241.1	↓-9.5
4/20 03:30	231.4	↓-9.7
4/20 03:40	221.7	↓-9.7
4/20 03:50	212.0	↓-9.7
4/20 04:00	202.5	↓-9.5
4/20 04:10	193.2	↓-9.3
4/20 04:20	184.3	↓-8.9
4/20 04:30	175.7	↓-8.6
4/20 04:40	167.6	↓-8.1
4/20 04:50	160.0	↓-7.6
4/20 05:00	152.8	↓-7.2
4/20 05:10	146.2	↓-6.6
4/20 05:20	140.1	↓-6.1
4/20 05:30	134.5	↓-5.6
4/20 05:40	129.4	↓-5.1
4/20 05:50	124.8	↓-4.6
4/20 06:00	120.7	↓-4.1
4/20 06:10	117.1	↓-3.6
4/20 06:20	114.0	↓-3.1
4/20 06:30	111.3	↓-2.7
4/20 06:40	109.3	↓-2.0
4/20 06:50	107.7	↓-1.6
4/20 07:00	106.8	↓-0.9
4/20 07:10	106.5	↓-0.3	干潮
4/20 07:20	106.9	↑0.4
4/20 07:30	107.9	↑1.0
4/20 07:40	109.8	↑1.9
4/20 07:50	112.4	↑2.6
4/20 08:00	115.7	↑3.3
4/20 08:10	119.9	↑4.2
4/20 08:20	124.9	↑5.0
4/20 08:30	130.6	↑5.7
4/20 08:40	137.0	↑6.4
4/20 08:50	144.0	↑7.0
4/20 09:00	151.6	↑7.6
4/20 09:10	159.6	↑8.0
4/20 09:20	168.0	↑8.4
4/20 09:30	176.6	↑8.6
4/20 09:40	185.4	↑8.8
4/20 09:50	194.1	↑8.7
4/20 10:00	202.7	↑8.6
4/20 10:10	211.1	↑8.4
4/20 10:20	219.1	↑8.0
4/20 10:30	226.6	↑7.5
4/20 10:40	233.7	↑7.1
4/20 10:50	240.1	↑6.4
4/20 11:00	245.9	↑5.8
4/20 11:10	251.1	↑5.2
4/20 11:20	255.5	↑4.4
4/20 11:30	259.3	↑3.8
4/20 11:40	262.3	↑3.0
4/20 11:50	264.6	↑2.3
4/20 12:00	266.2	↑1.6
4/20 12:10	267.1	↑0.9	満潮
4/20 12:20	267.3	↑0.2
4/20 12:30	266.9	↓-0.4
4/20 12:40	265.8	↓-1.1
4/20 12:50	264.0	↓-1.8
4/20 13:00	261.5	↓-2.5
4/20 13:10	258.3	↓-3.2
4/20 13:20	254.3	↓-4.0
4/20 13:30	249.7	↓-4.6
4/20 13:40	244.3	↓-5.4
4/20 13:50	238.2	↓-6.1
4/20 14:00	231.4	↓-6.8
4/20 14:10	223.8	↓-7.6
4/20 14:20	215.6	↓-8.2
4/20 14:30	206.6	↓-9.0
4/20 14:40	197.1	↓-9.5
4/20 14:50	187.0	↓-10.1
4/20 15:00	176.5	↓-10.5
4/20 15:10	165.6	↓-10.9
4/20 15:20	154.5	↓-11.1
4/20 15:30	143.2	↓-11.3
4/20 15:40	131.8	↓-11.4
4/20 15:50	120.6	↓-11.2
4/20 16:00	109.6	↓-11.0
4/20 16:10	98.9	↓-10.7
4/20 16:20	88.6	↓-10.3
4/20 16:30	78.8	↓-9.8
4/20 16:40	69.6	↓-9.2
4/20 16:50	61.0	↓-8.6
4/20 17:00	53.1	↓-7.9
4/20 17:10	46.0	↓-7.1
4/20 17:20	39.6	↓-6.4
4/20 17:30	33.9	↓-5.7
4/20 17:40	29.0	↓-4.9
4/20 17:50	24.8	↓-4.2
4/20 18:00	21.3	↓-3.5
4/20 18:10	18.5	↓-2.8
4/20 18:20	16.4	↓-2.1
4/20 18:30	14.9	↓-1.5
4/20 18:40	14.1	↓-0.8	干潮
4/20 18:50	13.9	↓-0.2
4/20 19:00	14.4	↑0.5
4/20 19:10	15.6	↑1.2
4/20 19:20	17.4	↑1.8
4/20 19:30	20.0	↑2.6
4/20 19:40	23.3	↑3.3
4/20 19:50	27.4	↑4.1
4/20 20:00	32.3	↑4.9
4/20 20:10	38.0	↑5.7
4/20 20:20	44.5	↑6.5
4/20 20:30	51.8	↑7.3
4/20 20:40	59.9	↑8.1
4/20 20:50	68.8	↑8.9
4/20 21:00	78.4	↑9.6
4/20 21:10	88.7	↑10.3
4/20 21:20	99.5	↑10.8
4/20 21:30	110.9	↑11.4
4/20 21:40	122.6	↑11.7
4/20 21:50	134.6	↑12.0
4/20 22:00	146.7	↑12.1
4/20 22:10	159.0	↑12.3	最大潮位差
4/20 22:20	171.1	↑12.1
4/20 22:30	183.1	↑12.0
4/20 22:40	194.8	↑11.7
4/20 22:50	206.2	↑11.4
4/20 23:00	217.1	↑10.9
4/20 23:10	227.6	↑10.5
4/20 23:20	237.5	↑9.9
4/20 23:30	246.9	↑9.4
4/20 23:40	255.6	↑8.7
4/20 23:50	263.8	↑8.2