20 (日)	04:23	09:20	13:59	21:50
	140cm	119cm	137cm	34cm
長潮 出 06:50 入 18:00 出 03:26 入 13:14

日振島（愛媛）2028年02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
2/20 00:00	86.6	↑3.4
2/20 00:10	89.9	↑3.3
2/20 00:20	93.2	↑3.3
2/20 00:30	96.6	↑3.4
2/20 00:40	99.8	↑3.2
2/20 00:50	103.0	↑3.2
2/20 01:00	106.1	↑3.1
2/20 01:10	109.2	↑3.1
2/20 01:20	112.1	↑2.9
2/20 01:30	115.0	↑2.9
2/20 01:40	117.7	↑2.7
2/20 01:50	120.3	↑2.6
2/20 02:00	122.7	↑2.4
2/20 02:10	125.0	↑2.3
2/20 02:20	127.2	↑2.2
2/20 02:30	129.1	↑1.9
2/20 02:40	131.0	↑1.9
2/20 02:50	132.6	↑1.6
2/20 03:00	134.1	↑1.5
2/20 03:10	135.4	↑1.3
2/20 03:20	136.5	↑1.1
2/20 03:30	137.4	↑0.9
2/20 03:40	138.2	↑0.8
2/20 03:50	138.8	↑0.6
2/20 04:00	139.2	↑0.4
2/20 04:10	139.5	↑0.3
2/20 04:20	139.6	↑0.1	満潮
2/20 04:30	139.5	↓-0.1
2/20 04:40	139.3	↓-0.2
2/20 04:50	139.0	↓-0.3
2/20 05:00	138.6	↓-0.4
2/20 05:10	138.0	↓-0.6
2/20 05:20	137.3	↓-0.7
2/20 05:30	136.6	↓-0.7
2/20 05:40	135.7	↓-0.9
2/20 05:50	134.8	↓-0.9
2/20 06:00	133.8	↓-1.0
2/20 06:10	132.8	↓-1.0
2/20 06:20	131.7	↓-1.1
2/20 06:30	130.6	↓-1.1
2/20 06:40	129.5	↓-1.1
2/20 06:50	128.4	↓-1.1
2/20 07:00	127.3	↓-1.1
2/20 07:10	126.2	↓-1.1
2/20 07:20	125.2	↓-1.0
2/20 07:30	124.2	↓-1.0
2/20 07:40	123.2	↓-1.0
2/20 07:50	122.3	↓-0.9
2/20 08:00	121.5	↓-0.8
2/20 08:10	120.8	↓-0.7
2/20 08:20	120.1	↓-0.7
2/20 08:30	119.5	↓-0.6
2/20 08:40	119.1	↓-0.4
2/20 08:50	118.7	↓-0.4
2/20 09:00	118.5	↓-0.2
2/20 09:10	118.3	↓-0.2	干潮
2/20 09:20	118.3	0	干潮
2/20 09:30	118.3	0
2/20 09:40	118.5	↑0.2
2/20 09:50	118.8	↑0.3
2/20 10:00	119.1	↑0.3
2/20 10:10	119.6	↑0.5
2/20 10:20	120.2	↑0.6
2/20 10:30	120.8	↑0.6
2/20 10:40	121.5	↑0.7
2/20 10:50	122.3	↑0.8
2/20 11:00	123.2	↑0.9
2/20 11:10	124.1	↑0.9
2/20 11:20	125.0	↑0.9
2/20 11:30	126.0	↑1.0
2/20 11:40	127.0	↑1.0
2/20 11:50	128.1	↑1.1
2/20 12:00	129.1	↑1.0
2/20 12:10	130.1	↑1.0
2/20 12:20	131.1	↑1.0
2/20 12:30	132.0	↑0.9
2/20 12:40	132.9	↑0.9
2/20 12:50	133.7	↑0.8
2/20 13:00	134.5	↑0.8
2/20 13:10	135.1	↑0.6
2/20 13:20	135.7	↑0.6
2/20 13:30	136.1	↑0.4
2/20 13:40	136.4	↑0.3
2/20 13:50	136.6	↑0.2	満潮
2/20 14:00	136.7	↑0.1
2/20 14:10	136.6	↓-0.1
2/20 14:20	136.3	↓-0.3
2/20 14:30	135.9	↓-0.4
2/20 14:40	135.3	↓-0.6
2/20 14:50	134.5	↓-0.8
2/20 15:00	133.5	↓-1.0
2/20 15:10	132.4	↓-1.1
2/20 15:20	131.1	↓-1.3
2/20 15:30	129.5	↓-1.6
2/20 15:40	127.8	↓-1.7
2/20 15:50	126.0	↓-1.8
2/20 16:00	123.9	↓-2.1
2/20 16:10	121.7	↓-2.2
2/20 16:20	119.3	↓-2.4
2/20 16:30	116.7	↓-2.6
2/20 16:40	114.0	↓-2.7
2/20 16:50	111.1	↓-2.9
2/20 17:00	108.2	↓-2.9
2/20 17:10	105.1	↓-3.1
2/20 17:20	101.8	↓-3.3
2/20 17:30	98.5	↓-3.3
2/20 17:40	95.1	↓-3.4
2/20 17:50	91.7	↓-3.4
2/20 18:00	88.2	↓-3.5
2/20 18:10	84.7	↓-3.5
2/20 18:20	81.1	↓-3.6	最大潮位差
2/20 18:30	77.6	↓-3.5
2/20 18:40	74.0	↓-3.6	最大潮位差
2/20 18:50	70.5	↓-3.5
2/20 19:00	67.1	↓-3.4
2/20 19:10	63.8	↓-3.3
2/20 19:20	60.5	↓-3.3
2/20 19:30	57.4	↓-3.1
2/20 19:40	54.3	↓-3.1
2/20 19:50	51.5	↓-2.8
2/20 20:00	48.7	↓-2.8
2/20 20:10	46.2	↓-2.5
2/20 20:20	43.9	↓-2.3
2/20 20:30	41.7	↓-2.2
2/20 20:40	39.8	↓-1.9
2/20 20:50	38.1	↓-1.7
2/20 21:00	36.7	↓-1.4
2/20 21:10	35.5	↓-1.2
2/20 21:20	34.5	↓-1.0
2/20 21:30	33.9	↓-0.6
2/20 21:40	33.5	↓-0.4	干潮
2/20 21:50	33.4	↓-0.1	干潮
2/20 22:00	33.5	↑0.1
2/20 22:10	34.0	↑0.5
2/20 22:20	34.7	↑0.7
2/20 22:30	35.7	↑1.0
2/20 22:40	37.0	↑1.3
2/20 22:50	38.5	↑1.5
2/20 23:00	40.3	↑1.8
2/20 23:10	42.4	↑2.1
2/20 23:20	44.7	↑2.3
2/20 23:30	47.2	↑2.5
2/20 23:40	50.0	↑2.8
2/20 23:50	53.0	↑3.0