20 (木)	07:37	00:43	19:55	13:29
	274cm	113cm	265cm	114cm
若潮 出 05:32 入 18:45 出 02:55 入 14:38

波止浜（愛媛）2028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	117.4	↓-2.4
4/20 00:10	115.5	↓-1.9
4/20 00:20	114.1	↓-1.4
4/20 00:30	113.2	↓-0.9
4/20 00:40	112.9	↓-0.3	干潮
4/20 00:50	113.1	↑0.2
4/20 01:00	113.8	↑0.7
4/20 01:10	115.0	↑1.2
4/20 01:20	116.7	↑1.7
4/20 01:30	118.9	↑2.2
4/20 01:40	121.5	↑2.6
4/20 01:50	124.6	↑3.1
4/20 02:00	128.0	↑3.4
4/20 02:10	131.9	↑3.9
4/20 02:20	136.1	↑4.2
4/20 02:30	140.6	↑4.5
4/20 02:40	145.5	↑4.9
4/20 02:50	150.5	↑5.0
4/20 03:00	155.8	↑5.3
4/20 03:10	161.3	↑5.5
4/20 03:20	166.9	↑5.6
4/20 03:30	172.6	↑5.7
4/20 03:40	178.4	↑5.8
4/20 03:50	184.3	↑5.9
4/20 04:00	190.1	↑5.8
4/20 04:10	196.0	↑5.9
4/20 04:20	201.8	↑5.8
4/20 04:30	207.5	↑5.7
4/20 04:40	213.1	↑5.6
4/20 04:50	218.7	↑5.6
4/20 05:00	224.0	↑5.3
4/20 05:10	229.2	↑5.2
4/20 05:20	234.3	↑5.1
4/20 05:30	239.1	↑4.8
4/20 05:40	243.7	↑4.6
4/20 05:50	248.0	↑4.3
4/20 06:00	252.1	↑4.1
4/20 06:10	255.9	↑3.8
4/20 06:20	259.4	↑3.5
4/20 06:30	262.6	↑3.2
4/20 06:40	265.4	↑2.8
4/20 06:50	267.8	↑2.4
4/20 07:00	269.8	↑2.0
4/20 07:10	271.4	↑1.6
4/20 07:20	272.5	↑1.1
4/20 07:30	273.1	↑0.6	満潮
4/20 07:40	273.1	0
4/20 07:50	272.6	↓-0.5
4/20 08:00	271.6	↓-1.0
4/20 08:10	270.0	↓-1.6
4/20 08:20	267.7	↓-2.3
4/20 08:30	264.9	↓-2.8
4/20 08:40	261.5	↓-3.4
4/20 08:50	257.5	↓-4.0
4/20 09:00	253.0	↓-4.5
4/20 09:10	248.0	↓-5.0
4/20 09:20	242.5	↓-5.5
4/20 09:30	236.5	↓-6.0
4/20 09:40	230.1	↓-6.4
4/20 09:50	223.4	↓-6.7
4/20 10:00	216.4	↓-7.0
4/20 10:10	209.2	↓-7.2
4/20 10:20	201.9	↓-7.3
4/20 10:30	194.5	↓-7.4
4/20 10:40	187.1	↓-7.4
4/20 10:50	179.8	↓-7.3
4/20 11:00	172.6	↓-7.2
4/20 11:10	165.6	↓-7.0
4/20 11:20	158.9	↓-6.7
4/20 11:30	152.5	↓-6.4
4/20 11:40	146.4	↓-6.1
4/20 11:50	140.8	↓-5.6
4/20 12:00	135.6	↓-5.2
4/20 12:10	130.9	↓-4.7
4/20 12:20	126.8	↓-4.1
4/20 12:30	123.2	↓-3.6
4/20 12:40	120.1	↓-3.1
4/20 12:50	117.6	↓-2.5
4/20 13:00	115.7	↓-1.9
4/20 13:10	114.4	↓-1.3
4/20 13:20	113.7	↓-0.7	干潮
4/20 13:30	113.5	↓-0.2
4/20 13:40	113.9	↑0.4
4/20 13:50	114.8	↑0.9
4/20 14:00	116.3	↑1.5
4/20 14:10	118.3	↑2.0
4/20 14:20	120.7	↑2.4
4/20 14:30	123.7	↑3.0
4/20 14:40	127.0	↑3.3
4/20 14:50	130.8	↑3.8
4/20 15:00	135.0	↑4.2
4/20 15:10	139.4	↑4.4
4/20 15:20	144.2	↑4.8
4/20 15:30	149.3	↑5.1
4/20 15:40	154.6	↑5.3
4/20 15:50	160.0	↑5.4
4/20 16:00	165.7	↑5.7
4/20 16:10	171.4	↑5.7
4/20 16:20	177.3	↑5.9
4/20 16:30	183.2	↑5.9
4/20 16:40	189.1	↑5.9
4/20 16:50	195.0	↑5.9
4/20 17:00	200.8	↑5.8
4/20 17:10	206.5	↑5.7
4/20 17:20	212.2	↑5.7
4/20 17:30	217.7	↑5.5
4/20 17:40	223.0	↑5.3
4/20 17:50	228.2	↑5.2
4/20 18:00	233.1	↑4.9
4/20 18:10	237.8	↑4.7
4/20 18:20	242.2	↑4.4
4/20 18:30	246.3	↑4.1
4/20 18:40	250.0	↑3.7
4/20 18:50	253.4	↑3.4
4/20 19:00	256.4	↑3.0
4/20 19:10	259.0	↑2.6
4/20 19:20	261.1	↑2.1
4/20 19:30	262.7	↑1.6
4/20 19:40	263.8	↑1.1
4/20 19:50	264.3	↑0.5	満潮
4/20 20:00	264.3	0
4/20 20:10	263.7	↓-0.6
4/20 20:20	262.4	↓-1.3
4/20 20:30	260.6	↓-1.8
4/20 20:40	258.1	↓-2.5
4/20 20:50	254.9	↓-3.2
4/20 21:00	251.2	↓-3.7
4/20 21:10	246.8	↓-4.4
4/20 21:20	241.9	↓-4.9
4/20 21:30	236.4	↓-5.5
4/20 21:40	230.5	↓-5.9
4/20 21:50	224.1	↓-6.4
4/20 22:00	217.3	↓-6.8
4/20 22:10	210.1	↓-7.2
4/20 22:20	202.7	↓-7.4
4/20 22:30	195.1	↓-7.6
4/20 22:40	187.4	↓-7.7	最大潮位差
4/20 22:50	179.7	↓-7.7	最大潮位差
4/20 23:00	172.0	↓-7.7	最大潮位差
4/20 23:10	164.4	↓-7.6
4/20 23:20	157.0	↓-7.4
4/20 23:30	149.8	↓-7.2
4/20 23:40	143.0	↓-6.8
4/20 23:50	136.6	↓-6.4