20 (火)	03:55	09:52	15:11	21:30
	289cm	169cm	236cm	95cm
小潮 出 05:33 入 18:45 出 11:10 入 01:10

小島（愛媛）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	186.6	↑6.8
4/20 00:10	193.5	↑6.9	最大潮位差
4/20 00:20	200.2	↑6.7
4/20 00:30	206.9	↑6.7
4/20 00:40	213.5	↑6.6
4/20 00:50	220.0	↑6.5
4/20 01:00	226.3	↑6.3
4/20 01:10	232.4	↑6.1
4/20 01:20	238.4	↑6.0
4/20 01:30	244.1	↑5.7
4/20 01:40	249.6	↑5.5
4/20 01:50	254.8	↑5.2
4/20 02:00	259.7	↑4.9
4/20 02:10	264.3	↑4.6
4/20 02:20	268.5	↑4.2
4/20 02:30	272.4	↑3.9
4/20 02:40	275.9	↑3.5
4/20 02:50	279.0	↑3.1
4/20 03:00	281.6	↑2.6
4/20 03:10	283.9	↑2.3
4/20 03:20	285.7	↑1.8
4/20 03:30	287.0	↑1.3
4/20 03:40	287.9	↑0.9
4/20 03:50	288.3	↑0.4	満潮
4/20 04:00	288.3	0
4/20 04:10	287.8	↓-0.5
4/20 04:20	286.7	↓-1.1
4/20 04:30	285.3	↓-1.4
4/20 04:40	283.3	↓-2.0
4/20 04:50	280.9	↓-2.4
4/20 05:00	278.1	↓-2.8
4/20 05:10	274.8	↓-3.3
4/20 05:20	271.2	↓-3.6
4/20 05:30	267.1	↓-4.1
4/20 05:40	262.8	↓-4.3
4/20 05:50	258.1	↓-4.7
4/20 06:00	253.2	↓-4.9
4/20 06:10	248.1	↓-5.1
4/20 06:20	242.8	↓-5.3
4/20 06:30	237.4	↓-5.4
4/20 06:40	231.9	↓-5.5
4/20 06:50	226.4	↓-5.5
4/20 07:00	220.9	↓-5.5
4/20 07:10	215.5	↓-5.4
4/20 07:20	210.2	↓-5.3
4/20 07:30	205.1	↓-5.1
4/20 07:40	200.3	↓-4.8
4/20 07:50	195.7	↓-4.6
4/20 08:00	191.4	↓-4.3
4/20 08:10	187.4	↓-4.0
4/20 08:20	183.8	↓-3.6
4/20 08:30	180.5	↓-3.3
4/20 08:40	177.6	↓-2.9
4/20 08:50	175.1	↓-2.5
4/20 09:00	173.0	↓-2.1
4/20 09:10	171.3	↓-1.7
4/20 09:20	170.0	↓-1.3
4/20 09:30	169.1	↓-0.9
4/20 09:40	168.5	↓-0.6
4/20 09:50	168.3	↓-0.2	干潮
4/20 10:00	168.5	↑0.2
4/20 10:10	169.0	↑0.5
4/20 10:20	169.7	↑0.7
4/20 10:30	170.8	↑1.1
4/20 10:40	172.2	↑1.4
4/20 10:50	173.8	↑1.6
4/20 11:00	175.7	↑1.9
4/20 11:10	177.8	↑2.1
4/20 11:20	180.1	↑2.3
4/20 11:30	182.6	↑2.5
4/20 11:40	185.3	↑2.7
4/20 11:50	188.1	↑2.8
4/20 12:00	191.1	↑3.0
4/20 12:10	194.1	↑3.0
4/20 12:20	197.3	↑3.2
4/20 12:30	200.4	↑3.1
4/20 12:40	203.7	↑3.3
4/20 12:50	206.9	↑3.2
4/20 13:00	210.0	↑3.1
4/20 13:10	213.2	↑3.2
4/20 13:20	216.2	↑3.0
4/20 13:30	219.1	↑2.9
4/20 13:40	221.8	↑2.7
4/20 13:50	224.4	↑2.6
4/20 14:00	226.7	↑2.3
4/20 14:10	228.8	↑2.1
4/20 14:20	230.7	↑1.9
4/20 14:30	232.2	↑1.5
4/20 14:40	233.4	↑1.2
4/20 14:50	234.3	↑0.9
4/20 15:00	234.9	↑0.6
4/20 15:10	235.1	↑0.2	満潮
4/20 15:20	234.8	↓-0.3
4/20 15:30	234.3	↓-0.5
4/20 15:40	233.3	↓-1.0
4/20 15:50	231.9	↓-1.4
4/20 16:00	230.1	↓-1.8
4/20 16:10	227.9	↓-2.2
4/20 16:20	225.3	↓-2.6
4/20 16:30	222.3	↓-3.0
4/20 16:40	218.9	↓-3.4
4/20 16:50	215.2	↓-3.7
4/20 17:00	211.1	↓-4.1
4/20 17:10	206.7	↓-4.4
4/20 17:20	202.0	↓-4.7
4/20 17:30	196.9	↓-5.1
4/20 17:40	191.7	↓-5.2
4/20 17:50	186.2	↓-5.5
4/20 18:00	180.5	↓-5.7
4/20 18:10	174.7	↓-5.8
4/20 18:20	168.7	↓-6.0
4/20 18:30	162.7	↓-6.0
4/20 18:40	156.7	↓-6.0
4/20 18:50	150.7	↓-6.0
4/20 19:00	144.8	↓-5.9
4/20 19:10	139.1	↓-5.7
4/20 19:20	133.5	↓-5.6
4/20 19:30	128.1	↓-5.4
4/20 19:40	123.0	↓-5.1
4/20 19:50	118.2	↓-4.8
4/20 20:00	113.8	↓-4.4
4/20 20:10	109.7	↓-4.1
4/20 20:20	106.1	↓-3.6
4/20 20:30	102.9	↓-3.2
4/20 20:40	100.2	↓-2.7
4/20 20:50	98.0	↓-2.2
4/20 21:00	96.2	↓-1.8
4/20 21:10	95.0	↓-1.2
4/20 21:20	94.3	↓-0.7	干潮
4/20 21:30	94.1	↓-0.2	干潮
4/20 21:40	94.4	↑0.3
4/20 21:50	95.2	↑0.8
4/20 22:00	96.4	↑1.2
4/20 22:10	98.1	↑1.7
4/20 22:20	100.3	↑2.2
4/20 22:30	102.9	↑2.6
4/20 22:40	105.9	↑3.0
4/20 22:50	109.3	↑3.4
4/20 23:00	113.1	↑3.8
4/20 23:10	117.1	↑4.0
4/20 23:20	121.5	↑4.4
4/20 23:30	126.2	↑4.7
4/20 23:40	131.2	↑5.0
4/20 23:50	136.4	↑5.2