20 (火)	03:02	09:24	14:23	21:30
	288cm	168cm	247cm	85cm
小潮 出 05:33 入 18:45 出 11:10 入 01:10

波止浜（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	193.8	↑8.7	最大潮位差
4/20 00:10	202.4	↑8.6
4/20 00:20	210.9	↑8.5
4/20 00:30	219.2	↑8.3
4/20 00:40	227.2	↑8.0
4/20 00:50	234.9	↑7.7
4/20 01:00	242.3	↑7.4
4/20 01:10	249.2	↑6.9
4/20 01:20	255.7	↑6.5
4/20 01:30	261.7	↑6.0
4/20 01:40	267.1	↑5.4
4/20 01:50	271.9	↑4.8
4/20 02:00	276.1	↑4.2
4/20 02:10	279.7	↑3.6
4/20 02:20	282.7	↑3.0
4/20 02:30	284.9	↑2.2
4/20 02:40	286.6	↑1.7
4/20 02:50	287.5	↑0.9
4/20 03:00	287.9	↑0.4	満潮
4/20 03:10	287.6	↓-0.3
4/20 03:20	286.8	↓-0.8
4/20 03:30	285.4	↓-1.4
4/20 03:40	283.6	↓-1.8
4/20 03:50	281.2	↓-2.4
4/20 04:00	278.5	↓-2.7
4/20 04:10	275.3	↓-3.2
4/20 04:20	271.9	↓-3.4
4/20 04:30	268.1	↓-3.8
4/20 04:40	264.2	↓-3.9
4/20 04:50	260.0	↓-4.2
4/20 05:00	255.6	↓-4.4
4/20 05:10	251.2	↓-4.4
4/20 05:20	246.6	↓-4.6
4/20 05:30	242.0	↓-4.6
4/20 05:40	237.4	↓-4.6
4/20 05:50	232.7	↓-4.7
4/20 06:00	228.1	↓-4.6
4/20 06:10	223.5	↓-4.6
4/20 06:20	218.9	↓-4.6
4/20 06:30	214.4	↓-4.5
4/20 06:40	210.0	↓-4.4
4/20 06:50	205.7	↓-4.3
4/20 07:00	201.6	↓-4.1
4/20 07:10	197.5	↓-4.1
4/20 07:20	193.7	↓-3.8
4/20 07:30	190.0	↓-3.7
4/20 07:40	186.5	↓-3.5
4/20 07:50	183.2	↓-3.3
4/20 08:00	180.2	↓-3.0
4/20 08:10	177.5	↓-2.7
4/20 08:20	175.1	↓-2.4
4/20 08:30	173.0	↓-2.1
4/20 08:40	171.2	↓-1.8
4/20 08:50	169.7	↓-1.5
4/20 09:00	168.7	↓-1.0
4/20 09:10	168.0	↓-0.7
4/20 09:20	167.7	↓-0.3	干潮
4/20 09:30	167.8	↑0.1
4/20 09:40	168.2	↑0.4
4/20 09:50	169.1	↑0.9
4/20 10:00	170.3	↑1.2
4/20 10:10	171.9	↑1.6
4/20 10:20	173.9	↑2.0
4/20 10:30	176.2	↑2.3
4/20 10:40	178.8	↑2.6
4/20 10:50	181.8	↑3.0
4/20 11:00	185.0	↑3.2
4/20 11:10	188.4	↑3.4
4/20 11:20	192.0	↑3.6
4/20 11:30	195.8	↑3.8
4/20 11:40	199.7	↑3.9
4/20 11:50	203.8	↑4.1
4/20 12:00	207.8	↑4.0
4/20 12:10	211.9	↑4.1
4/20 12:20	216.0	↑4.1
4/20 12:30	220.0	↑4.0
4/20 12:40	223.8	↑3.8
4/20 12:50	227.5	↑3.7
4/20 13:00	231.0	↑3.5
4/20 13:10	234.2	↑3.2
4/20 13:20	237.1	↑2.9
4/20 13:30	239.7	↑2.6
4/20 13:40	241.9	↑2.2
4/20 13:50	243.6	↑1.7
4/20 14:00	245.0	↑1.4
4/20 14:10	245.8	↑0.8
4/20 14:20	246.2	↑0.4	満潮
4/20 14:30	246.0	↓-0.2
4/20 14:40	245.3	↓-0.7
4/20 14:50	244.2	↓-1.1
4/20 15:00	242.5	↓-1.7
4/20 15:10	240.3	↓-2.2
4/20 15:20	237.6	↓-2.7
4/20 15:30	234.5	↓-3.1
4/20 15:40	231.0	↓-3.5
4/20 15:50	227.1	↓-3.9
4/20 16:00	222.8	↓-4.3
4/20 16:10	218.2	↓-4.6
4/20 16:20	213.4	↓-4.8
4/20 16:30	208.3	↓-5.1
4/20 16:40	203.0	↓-5.3
4/20 16:50	197.6	↓-5.4
4/20 17:00	192.1	↓-5.5
4/20 17:10	186.4	↓-5.7
4/20 17:20	180.8	↓-5.6
4/20 17:30	175.2	↓-5.6
4/20 17:40	169.5	↓-5.7
4/20 17:50	163.9	↓-5.6
4/20 18:00	158.4	↓-5.5
4/20 18:10	152.9	↓-5.5
4/20 18:20	147.5	↓-5.4
4/20 18:30	142.3	↓-5.2
4/20 18:40	137.1	↓-5.2
4/20 18:50	132.1	↓-5.0
4/20 19:00	127.2	↓-4.9
4/20 19:10	122.5	↓-4.7
4/20 19:20	117.9	↓-4.6
4/20 19:30	113.6	↓-4.3
4/20 19:40	109.5	↓-4.1
4/20 19:50	105.5	↓-4.0
4/20 20:00	101.9	↓-3.6
4/20 20:10	98.5	↓-3.4
4/20 20:20	95.4	↓-3.1
4/20 20:30	92.7	↓-2.7
4/20 20:40	90.3	↓-2.4
4/20 20:50	88.3	↓-2.0
4/20 21:00	86.8	↓-1.5
4/20 21:10	85.6	↓-1.2
4/20 21:20	84.9	↓-0.7	干潮
4/20 21:30	84.7	↓-0.2	干潮
4/20 21:40	85.0	↑0.3
4/20 21:50	85.8	↑0.8
4/20 22:00	87.1	↑1.3
4/20 22:10	88.9	↑1.8
4/20 22:20	91.3	↑2.4
4/20 22:30	94.1	↑2.8
4/20 22:40	97.5	↑3.4
4/20 22:50	101.4	↑3.9
4/20 23:00	105.7	↑4.3
4/20 23:10	110.5	↑4.8
4/20 23:20	115.7	↑5.2
4/20 23:30	121.3	↑5.6
4/20 23:40	127.2	↑5.9
4/20 23:50	133.5	↑6.3