21 (木)	11:30	05:04	23:30	17:27
	393cm	29cm	376cm	81cm
中潮 出 05:57 入 18:08 出 08:40 入 19:23

波止浜（愛媛）2028年09月21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
9/21 00:00	358.0	↓-7.3
9/21 00:10	349.5	↓-8.5
9/21 00:20	340.0	↓-9.5
9/21 00:30	329.4	↓-10.6
9/21 00:40	317.9	↓-11.5
9/21 00:50	305.6	↓-12.3
9/21 01:00	292.4	↓-13.2
9/21 01:10	278.7	↓-13.7
9/21 01:20	264.4	↓-14.3
9/21 01:30	249.6	↓-14.8
9/21 01:40	234.5	↓-15.1
9/21 01:50	219.2	↓-15.3
9/21 02:00	203.7	↓-15.5	最大潮位差
9/21 02:10	188.4	↓-15.3
9/21 02:20	173.1	↓-15.3
9/21 02:30	158.1	↓-15.0
9/21 02:40	143.6	↓-14.5
9/21 02:50	129.5	↓-14.1
9/21 03:00	116.0	↓-13.5
9/21 03:10	103.2	↓-12.8
9/21 03:20	91.2	↓-12.0
9/21 03:30	80.1	↓-11.1
9/21 03:40	69.9	↓-10.2
9/21 03:50	60.8	↓-9.1
9/21 04:00	52.7	↓-8.1
9/21 04:10	45.8	↓-6.9
9/21 04:20	40.0	↓-5.8
9/21 04:30	35.4	↓-4.6
9/21 04:40	32.0	↓-3.4
9/21 04:50	29.8	↓-2.2
9/21 05:00	28.8	↓-1.0	干潮
9/21 05:10	29.0	↑0.2
9/21 05:20	30.4	↑1.4
9/21 05:30	32.9	↑2.5
9/21 05:40	36.6	↑3.7
9/21 05:50	41.4	↑4.8
9/21 06:00	47.2	↑5.8
9/21 06:10	54.0	↑6.8
9/21 06:20	61.8	↑7.8
9/21 06:30	70.6	↑8.8
9/21 06:40	80.2	↑9.6
9/21 06:50	90.7	↑10.5
9/21 07:00	101.9	↑11.2
9/21 07:10	113.8	↑11.9
9/21 07:20	126.3	↑12.5
9/21 07:30	139.4	↑13.1
9/21 07:40	153.0	↑13.6
9/21 07:50	167.1	↑14.1
9/21 08:00	181.4	↑14.3
9/21 08:10	196.0	↑14.6
9/21 08:20	210.8	↑14.8
9/21 08:30	225.5	↑14.7
9/21 08:40	240.3	↑14.8
9/21 08:50	254.9	↑14.6
9/21 09:00	269.3	↑14.4
9/21 09:10	283.3	↑14.0
9/21 09:20	296.8	↑13.5
9/21 09:30	309.8	↑13.0
9/21 09:40	322.2	↑12.4
9/21 09:50	333.8	↑11.6
9/21 10:00	344.5	↑10.7
9/21 10:10	354.4	↑9.9
9/21 10:20	363.2	↑8.8
9/21 10:30	371.0	↑7.8
9/21 10:40	377.7	↑6.7
9/21 10:50	383.2	↑5.5
9/21 11:00	387.5	↑4.3
9/21 11:10	390.5	↑3.0
9/21 11:20	392.3	↑1.8	満潮
9/21 11:30	392.8	↑0.5	満潮
9/21 11:40	392.1	↓-0.7
9/21 11:50	390.1	↓-2.0
9/21 12:00	386.8	↓-3.3
9/21 12:10	382.3	↓-4.5
9/21 12:20	376.7	↓-5.6
9/21 12:30	369.9	↓-6.8
9/21 12:40	362.1	↓-7.8
9/21 12:50	353.3	↓-8.8
9/21 13:00	343.5	↓-9.8
9/21 13:10	332.9	↓-10.6
9/21 13:20	321.5	↓-11.4
9/21 13:30	309.5	↓-12.0
9/21 13:40	296.8	↓-12.7
9/21 13:50	283.7	↓-13.1
9/21 14:00	270.3	↓-13.4
9/21 14:10	256.6	↓-13.7
9/21 14:20	242.8	↓-13.8
9/21 14:30	228.9	↓-13.9
9/21 14:40	215.1	↓-13.8
9/21 14:50	201.5	↓-13.6
9/21 15:00	188.3	↓-13.2
9/21 15:10	175.4	↓-12.9
9/21 15:20	163.0	↓-12.4
9/21 15:30	151.3	↓-11.7
9/21 15:40	140.3	↓-11.0
9/21 15:50	130.0	↓-10.3
9/21 16:00	120.5	↓-9.5
9/21 16:10	112.0	↓-8.5
9/21 16:20	104.4	↓-7.6
9/21 16:30	97.9	↓-6.5
9/21 16:40	92.3	↓-5.6
9/21 16:50	87.9	↓-4.4
9/21 17:00	84.5	↓-3.4
9/21 17:10	82.1	↓-2.4
9/21 17:20	80.9	↓-1.2	干潮
9/21 17:30	80.8	↓-0.1
9/21 17:40	81.7	↑0.9
9/21 17:50	83.6	↑1.9
9/21 18:00	86.6	↑3.0
9/21 18:10	90.5	↑3.9
9/21 18:20	95.4	↑4.9
9/21 18:30	101.3	↑5.9
9/21 18:40	108.0	↑6.7
9/21 18:50	115.5	↑7.5
9/21 19:00	123.8	↑8.3
9/21 19:10	132.9	↑9.1
9/21 19:20	142.6	↑9.7
9/21 19:30	152.9	↑10.3
9/21 19:40	163.8	↑10.9
9/21 19:50	175.2	↑11.4
9/21 20:00	187.0	↑11.8
9/21 20:10	199.2	↑12.2
9/21 20:20	211.6	↑12.4
9/21 20:30	224.2	↑12.6
9/21 20:40	236.9	↑12.7
9/21 20:50	249.6	↑12.7
9/21 21:00	262.2	↑12.6
9/21 21:10	274.5	↑12.3
9/21 21:20	286.6	↑12.1
9/21 21:30	298.3	↑11.7
9/21 21:40	309.5	↑11.2
9/21 21:50	320.1	↑10.6
9/21 22:00	330.0	↑9.9
9/21 22:10	339.1	↑9.1
9/21 22:20	347.4	↑8.3
9/21 22:30	354.7	↑7.3
9/21 22:40	361.0	↑6.3
9/21 22:50	366.3	↑5.3
9/21 23:00	370.4	↑4.1
9/21 23:10	373.3	↑2.9
9/21 23:20	375.0	↑1.7	満潮
9/21 23:30	375.5	↑0.5	満潮
9/21 23:40	374.8	↓-0.7
9/21 23:50	372.8	↓-2.0