20 (土)	11:59	05:33	23:59	17:57
	387cm	41cm	368cm	92cm
中潮 出 05:55 入 18:11 出 09:08 入 20:02 潮干狩り ○ 05:55～06:55

波止浜（愛媛）2031年09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
9/20 00:00	363.7	↓-3.5
9/20 00:10	359.0	↓-4.7
9/20 00:20	353.1	↓-5.9
9/20 00:30	346.1	↓-7.0
9/20 00:40	338.1	↓-8.0
9/20 00:50	329.2	↓-8.9
9/20 01:00	319.2	↓-10.0
9/20 01:10	308.5	↓-10.7
9/20 01:20	297.0	↓-11.5
9/20 01:30	284.8	↓-12.2
9/20 01:40	272.0	↓-12.8
9/20 01:50	258.7	↓-13.3
9/20 02:00	245.0	↓-13.7
9/20 02:10	231.0	↓-14.0
9/20 02:20	216.9	↓-14.1
9/20 02:30	202.6	↓-14.3	最大潮位差
9/20 02:40	188.4	↓-14.2
9/20 02:50	174.4	↓-14.0
9/20 03:00	160.5	↓-13.9
9/20 03:10	147.0	↓-13.5
9/20 03:20	134.0	↓-13.0
9/20 03:30	121.5	↓-12.5
9/20 03:40	109.6	↓-11.9
9/20 03:50	98.5	↓-11.1
9/20 04:00	88.1	↓-10.4
9/20 04:10	78.7	↓-9.4
9/20 04:20	70.2	↓-8.5
9/20 04:30	62.7	↓-7.5
9/20 04:40	56.2	↓-6.5
9/20 04:50	50.9	↓-5.3
9/20 05:00	46.6	↓-4.3
9/20 05:10	43.5	↓-3.1
9/20 05:20	41.6	↓-1.9
9/20 05:30	40.8	↓-0.8	干潮
9/20 05:40	41.2	↑0.4
9/20 05:50	42.7	↑1.5
9/20 06:00	45.3	↑2.6
9/20 06:10	49.0	↑3.7
9/20 06:20	53.8	↑4.8
9/20 06:30	59.5	↑5.7
9/20 06:40	66.2	↑6.7
9/20 06:50	73.9	↑7.7
9/20 07:00	82.3	↑8.4
9/20 07:10	91.6	↑9.3
9/20 07:20	101.7	↑10.1
9/20 07:30	112.4	↑10.7
9/20 07:40	123.8	↑11.4
9/20 07:50	135.7	↑11.9
9/20 08:00	148.1	↑12.4
9/20 08:10	161.0	↑12.9
9/20 08:20	174.2	↑13.2
9/20 08:30	187.7	↑13.5
9/20 08:40	201.4	↑13.7
9/20 08:50	215.3	↑13.9
9/20 09:00	229.1	↑13.8
9/20 09:10	243.0	↑13.9
9/20 09:20	256.7	↑13.7
9/20 09:30	270.2	↑13.5
9/20 09:40	283.3	↑13.1
9/20 09:50	296.1	↑12.8
9/20 10:00	308.3	↑12.2
9/20 10:10	319.9	↑11.6
9/20 10:20	330.9	↑11.0
9/20 10:30	341.0	↑10.1
9/20 10:40	350.3	↑9.3
9/20 10:50	358.7	↑8.4
9/20 11:00	366.0	↑7.3
9/20 11:10	372.3	↑6.3
9/20 11:20	377.5	↑5.2
9/20 11:30	381.5	↑4.0
9/20 11:40	384.3	↑2.8
9/20 11:50	385.9	↑1.6	満潮
9/20 12:00	386.3	↑0.4
9/20 12:10	385.4	↓-0.9
9/20 12:20	383.4	↓-2.0
9/20 12:30	380.2	↓-3.2
9/20 12:40	375.8	↓-4.4
9/20 12:50	370.3	↓-5.5
9/20 13:00	363.8	↓-6.5
9/20 13:10	356.3	↓-7.5
9/20 13:20	347.8	↓-8.5
9/20 13:30	338.5	↓-9.3
9/20 13:40	328.5	↓-10.0
9/20 13:50	317.7	↓-10.8
9/20 14:00	306.3	↓-11.4
9/20 14:10	294.5	↓-11.8
9/20 14:20	282.2	↓-12.3
9/20 14:30	269.6	↓-12.6
9/20 14:40	256.8	↓-12.8
9/20 14:50	243.8	↓-13.0
9/20 15:00	230.9	↓-12.9
9/20 15:10	218.0	↓-12.9
9/20 15:20	205.3	↓-12.7
9/20 15:30	192.9	↓-12.4
9/20 15:40	180.8	↓-12.1
9/20 15:50	169.2	↓-11.6
9/20 16:00	158.2	↓-11.0
9/20 16:10	147.8	↓-10.4
9/20 16:20	138.0	↓-9.8
9/20 16:30	129.1	↓-8.9
9/20 16:40	121.0	↓-8.1
9/20 16:50	113.8	↓-7.2
9/20 17:00	107.5	↓-6.3
9/20 17:10	102.2	↓-5.3
9/20 17:20	97.9	↓-4.3
9/20 17:30	94.7	↓-3.2
9/20 17:40	92.4	↓-2.3
9/20 17:50	91.2	↓-1.2	干潮
9/20 18:00	91.1	↓-0.1
9/20 18:10	92.0	↑0.9
9/20 18:20	93.8	↑1.8
9/20 18:30	96.7	↑2.9
9/20 18:40	100.5	↑3.8
9/20 18:50	105.2	↑4.7
9/20 19:00	110.8	↑5.6
9/20 19:10	117.2	↑6.4
9/20 19:20	124.4	↑7.2
9/20 19:30	132.3	↑7.9
9/20 19:40	140.8	↑8.5
9/20 19:50	150.0	↑9.2
9/20 20:00	159.8	↑9.8
9/20 20:10	170.0	↑10.2
9/20 20:20	180.7	↑10.7
9/20 20:30	191.7	↑11.0
9/20 20:40	203.1	↑11.4
9/20 20:50	214.7	↑11.6
9/20 21:00	226.4	↑11.7
9/20 21:10	238.2	↑11.8
9/20 21:20	249.9	↑11.7
9/20 21:30	261.6	↑11.7
9/20 21:40	273.2	↑11.6
9/20 21:50	284.4	↑11.2
9/20 22:00	295.3	↑10.9
9/20 22:10	305.7	↑10.4
9/20 22:20	315.6	↑9.9
9/20 22:30	324.8	↑9.2
9/20 22:40	333.4	↑8.6
9/20 22:50	341.1	↑7.7
9/20 23:00	348.0	↑6.9
9/20 23:10	353.8	↑5.8
9/20 23:20	358.7	↑4.9
9/20 23:30	362.5	↑3.8
9/20 23:40	365.2	↑2.7
9/20 23:50	366.7	↑1.5	満潮