20 (火)	10:42	04:51	23:22	17:01
	278cm	75cm	303cm	41cm
大潮 出 05:29 入 18:41 出 18:10 入 04:37 潮干狩り ○ 15:30～18:19

坂出（香川）2027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	262.9	↓-6.7
4/20 00:10	255.6	↓-7.3
4/20 00:20	247.8	↓-7.8
4/20 00:30	239.4	↓-8.4
4/20 00:40	230.7	↓-8.7
4/20 00:50	221.7	↓-9.0
4/20 01:00	212.5	↓-9.2
4/20 01:10	203.3	↓-9.2
4/20 01:20	194.0	↓-9.3
4/20 01:30	184.9	↓-9.1
4/20 01:40	175.9	↓-9.0
4/20 01:50	167.1	↓-8.8
4/20 02:00	158.6	↓-8.5
4/20 02:10	150.4	↓-8.2
4/20 02:20	142.5	↓-7.9
4/20 02:30	134.9	↓-7.6
4/20 02:40	127.7	↓-7.2
4/20 02:50	120.9	↓-6.8
4/20 03:00	114.4	↓-6.5
4/20 03:10	108.2	↓-6.2
4/20 03:20	102.5	↓-5.7
4/20 03:30	97.2	↓-5.3
4/20 03:40	92.3	↓-4.9
4/20 03:50	87.9	↓-4.4
4/20 04:00	84.0	↓-3.9
4/20 04:10	80.7	↓-3.3
4/20 04:20	78.0	↓-2.7
4/20 04:30	76.0	↓-2.0
4/20 04:40	74.7	↓-1.3
4/20 04:50	74.3	↓-0.4	干潮
4/20 05:00	74.7	↑0.4
4/20 05:10	76.0	↑1.3
4/20 05:20	78.1	↑2.1
4/20 05:30	81.2	↑3.1
4/20 05:40	85.3	↑4.1
4/20 05:50	90.1	↑4.8
4/20 06:00	95.9	↑5.8
4/20 06:10	102.4	↑6.5
4/20 06:20	109.6	↑7.2
4/20 06:30	117.4	↑7.8
4/20 06:40	125.7	↑8.3
4/20 06:50	134.5	↑8.8
4/20 07:00	143.5	↑9.0
4/20 07:10	152.8	↑9.3
4/20 07:20	162.1	↑9.3
4/20 07:30	171.4	↑9.3
4/20 07:40	180.6	↑9.2
4/20 07:50	189.7	↑9.1
4/20 08:00	198.5	↑8.8
4/20 08:10	206.9	↑8.4
4/20 08:20	215.1	↑8.2
4/20 08:30	222.8	↑7.7
4/20 08:40	230.1	↑7.3
4/20 08:50	237.0	↑6.9
4/20 09:00	243.4	↑6.4
4/20 09:10	249.4	↑6.0
4/20 09:20	254.9	↑5.5
4/20 09:30	259.8	↑4.9
4/20 09:40	264.3	↑4.5
4/20 09:50	268.2	↑3.9
4/20 10:00	271.5	↑3.3
4/20 10:10	274.2	↑2.7
4/20 10:20	276.2	↑2.0
4/20 10:30	277.5	↑1.3
4/20 10:40	278.0	↑0.5	満潮
4/20 10:50	277.7	↓-0.3
4/20 11:00	276.5	↓-1.2
4/20 11:10	274.5	↓-2.0
4/20 11:20	271.6	↓-2.9
4/20 11:30	267.7	↓-3.9
4/20 11:40	263.0	↓-4.7
4/20 11:50	257.4	↓-5.6
4/20 12:00	250.9	↓-6.5
4/20 12:10	243.6	↓-7.3
4/20 12:20	235.7	↓-7.9
4/20 12:30	227.1	↓-8.6
4/20 12:40	217.9	↓-9.2
4/20 12:50	208.4	↓-9.5
4/20 13:00	198.5	↓-9.9
4/20 13:10	188.5	↓-10.0
4/20 13:20	178.3	↓-10.2
4/20 13:30	168.1	↓-10.2
4/20 13:40	158.0	↓-10.1
4/20 13:50	148.2	↓-9.8
4/20 14:00	138.5	↓-9.7
4/20 14:10	129.2	↓-9.3
4/20 14:20	120.2	↓-9.0
4/20 14:30	111.6	↓-8.6
4/20 14:40	103.5	↓-8.1
4/20 14:50	95.7	↓-7.8
4/20 15:00	88.4	↓-7.3
4/20 15:10	81.6	↓-6.8
4/20 15:20	75.1	↓-6.5
4/20 15:30	69.2	↓-5.9
4/20 15:40	63.7	↓-5.5
4/20 15:50	58.7	↓-5.0
4/20 16:00	54.2	↓-4.5
4/20 16:10	50.2	↓-4.0
4/20 16:20	46.9	↓-3.3
4/20 16:30	44.2	↓-2.7
4/20 16:40	42.2	↓-2.0
4/20 16:50	41.0	↓-1.2
4/20 17:00	40.6	↓-0.4	干潮
4/20 17:10	41.1	↑0.5
4/20 17:20	42.5	↑1.4
4/20 17:30	44.8	↑2.3
4/20 17:40	48.1	↑3.3
4/20 17:50	52.4	↑4.3
4/20 18:00	57.7	↑5.3
4/20 18:10	63.9	↑6.2
4/20 18:20	71.1	↑7.2
4/20 18:30	79.0	↑7.9
4/20 18:40	87.7	↑8.7
4/20 18:50	97.1	↑9.4
4/20 19:00	107.1	↑10.0
4/20 19:10	117.4	↑10.3
4/20 19:20	128.1	↑10.7
4/20 19:30	139.1	↑11.0
4/20 19:40	150.1	↑11.0
4/20 19:50	161.2	↑11.1	最大潮位差
4/20 20:00	172.1	↑10.9
4/20 20:10	182.9	↑10.8
4/20 20:20	193.4	↑10.5
4/20 20:30	203.6	↑10.2
4/20 20:40	213.5	↑9.9
4/20 20:50	223.0	↑9.5
4/20 21:00	232.0	↑9.0
4/20 21:10	240.7	↑8.7
4/20 21:20	248.8	↑8.1
4/20 21:30	256.5	↑7.7
4/20 21:40	263.7	↑7.2
4/20 21:50	270.4	↑6.7
4/20 22:00	276.6	↑6.2
4/20 22:10	282.3	↑5.7
4/20 22:20	287.3	↑5.0
4/20 22:30	291.7	↑4.4
4/20 22:40	295.4	↑3.7
4/20 22:50	298.4	↑3.0
4/20 23:00	300.6	↑2.2
4/20 23:10	302.0	↑1.4
4/20 23:20	302.5	↑0.5	満潮
4/20 23:30	302.1	↓-0.4
4/20 23:40	300.8	↓-1.3
4/20 23:50	298.5	↓-2.3