20 (土)	09:32	03:08	21:16	15:25
	215cm	38cm	209cm	82cm
中潮 出 05:57 入 18:12 出 09:08 入 20:06

日振島（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	123.7	↓-7.3
9/20 00:10	116.3	↓-7.4	最大潮位差
9/20 00:20	109.1	↓-7.2
9/20 00:30	101.9	↓-7.2
9/20 00:40	94.9	↓-7.0
9/20 00:50	88.2	↓-6.7
9/20 01:00	81.6	↓-6.6
9/20 01:10	75.4	↓-6.2
9/20 01:20	69.5	↓-5.9
9/20 01:30	64.0	↓-5.5
9/20 01:40	59.0	↓-5.0
9/20 01:50	54.4	↓-4.6
9/20 02:00	50.3	↓-4.1
9/20 02:10	46.7	↓-3.6
9/20 02:20	43.6	↓-3.1
9/20 02:30	41.1	↓-2.5
9/20 02:40	39.2	↓-1.9
9/20 02:50	37.9	↓-1.3
9/20 03:00	37.2	↓-0.7	干潮
9/20 03:10	37.1	↓-0.1
9/20 03:20	37.6	↑0.5
9/20 03:30	38.7	↑1.1
9/20 03:40	40.4	↑1.7
9/20 03:50	42.7	↑2.3
9/20 04:00	45.5	↑2.8
9/20 04:10	48.9	↑3.4
9/20 04:20	52.8	↑3.9
9/20 04:30	57.3	↑4.5
9/20 04:40	62.1	↑4.8
9/20 04:50	67.5	↑5.4
9/20 05:00	73.2	↑5.7
9/20 05:10	79.2	↑6.0
9/20 05:20	85.6	↑6.4
9/20 05:30	92.2	↑6.6
9/20 05:40	99.1	↑6.9
9/20 05:50	106.1	↑7.0
9/20 06:00	113.3	↑7.2
9/20 06:10	120.5	↑7.2
9/20 06:20	127.8	↑7.3
9/20 06:30	135.0	↑7.2
9/20 06:40	142.2	↑7.2
9/20 06:50	149.3	↑7.1
9/20 07:00	156.1	↑6.8
9/20 07:10	162.8	↑6.7
9/20 07:20	169.2	↑6.4
9/20 07:30	175.4	↑6.2
9/20 07:40	181.1	↑5.7
9/20 07:50	186.6	↑5.5
9/20 08:00	191.6	↑5.0
9/20 08:10	196.1	↑4.5
9/20 08:20	200.2	↑4.1
9/20 08:30	203.8	↑3.6
9/20 08:40	206.9	↑3.1
9/20 08:50	209.4	↑2.5
9/20 09:00	211.4	↑2.0
9/20 09:10	212.9	↑1.5
9/20 09:20	213.8	↑0.9
9/20 09:30	214.1	↑0.3	満潮
9/20 09:40	213.9	↓-0.2
9/20 09:50	213.1	↓-0.8
9/20 10:00	211.8	↓-1.3
9/20 10:10	210.0	↓-1.8
9/20 10:20	207.6	↓-2.4
9/20 10:30	204.8	↓-2.8
9/20 10:40	201.5	↓-3.3
9/20 10:50	197.8	↓-3.7
9/20 11:00	193.7	↓-4.1
9/20 11:10	189.2	↓-4.5
9/20 11:20	184.4	↓-4.8
9/20 11:30	179.4	↓-5.0
9/20 11:40	174.0	↓-5.4
9/20 11:50	168.5	↓-5.5
9/20 12:00	162.8	↓-5.7
9/20 12:10	157.0	↓-5.8
9/20 12:20	151.2	↓-5.8
9/20 12:30	145.3	↓-5.9
9/20 12:40	139.4	↓-5.9
9/20 12:50	133.7	↓-5.7
9/20 13:00	128.0	↓-5.7
9/20 13:10	122.5	↓-5.5
9/20 13:20	117.2	↓-5.3
9/20 13:30	112.1	↓-5.1
9/20 13:40	107.3	↓-4.8
9/20 13:50	102.8	↓-4.5
9/20 14:00	98.7	↓-4.1
9/20 14:10	95.0	↓-3.7
9/20 14:20	91.6	↓-3.4
9/20 14:30	88.8	↓-2.8
9/20 14:40	86.3	↓-2.5
9/20 14:50	84.3	↓-2.0
9/20 15:00	82.9	↓-1.4
9/20 15:10	81.9	↓-1.0
9/20 15:20	81.4	↓-0.5	干潮
9/20 15:30	81.5	↑0.1
9/20 15:40	82.0	↑0.5
9/20 15:50	83.1	↑1.1
9/20 16:00	84.6	↑1.5
9/20 16:10	86.6	↑2.0
9/20 16:20	89.1	↑2.5
9/20 16:30	92.0	↑2.9
9/20 16:40	95.4	↑3.4
9/20 16:50	99.1	↑3.7
9/20 17:00	103.2	↑4.1
9/20 17:10	107.6	↑4.4
9/20 17:20	112.4	↑4.8
9/20 17:30	117.4	↑5.0
9/20 17:40	122.6	↑5.2
9/20 17:50	128.0	↑5.4
9/20 18:00	133.5	↑5.5
9/20 18:10	139.1	↑5.6
9/20 18:20	144.8	↑5.7
9/20 18:30	150.5	↑5.7
9/20 18:40	156.1	↑5.6
9/20 18:50	161.7	↑5.6
9/20 19:00	167.1	↑5.4
9/20 19:10	172.3	↑5.2
9/20 19:20	177.4	↑5.1
9/20 19:30	182.2	↑4.8
9/20 19:40	186.6	↑4.4
9/20 19:50	190.8	↑4.2
9/20 20:00	194.6	↑3.8
9/20 20:10	198.0	↑3.4
9/20 20:20	201.0	↑3.0
9/20 20:30	203.5	↑2.5
9/20 20:40	205.6	↑2.1
9/20 20:50	207.1	↑1.5
9/20 21:00	208.2	↑1.1
9/20 21:10	208.7	↑0.5	満潮
9/20 21:20	208.7	0
9/20 21:30	208.2	↓-0.5
9/20 21:40	207.1	↓-1.1
9/20 21:50	205.5	↓-1.6
9/20 22:00	203.4	↓-2.1
9/20 22:10	200.8	↓-2.6
9/20 22:20	197.7	↓-3.1
9/20 22:30	194.1	↓-3.6
9/20 22:40	190.0	↓-4.1
9/20 22:50	185.5	↓-4.5
9/20 23:00	180.6	↓-4.9
9/20 23:10	175.4	↓-5.2
9/20 23:20	169.7	↓-5.7
9/20 23:30	163.8	↓-5.9
9/20 23:40	157.7	↓-6.1
9/20 23:50	151.3	↓-6.4