20 (日)	07:21	01:00	19:17	13:20
	142cm	30cm	138cm	52cm
中潮 出 06:23 入 17:29 出 21:05 入 08:24

岩井袋（千葉）2022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	36.3	↓-2.4
2/20 00:10	34.3	↓-2.0
2/20 00:20	32.6	↓-1.7
2/20 00:30	31.3	↓-1.3
2/20 00:40	30.4	↓-0.9
2/20 00:50	29.9	↓-0.5	干潮
2/20 01:00	29.7	↓-0.2	干潮
2/20 01:10	30.0	↑0.3
2/20 01:20	30.6	↑0.6
2/20 01:30	31.6	↑1.0
2/20 01:40	33.0	↑1.4
2/20 01:50	34.8	↑1.8
2/20 02:00	36.9	↑2.1
2/20 02:10	39.4	↑2.5
2/20 02:20	42.1	↑2.7
2/20 02:30	45.2	↑3.1
2/20 02:40	48.5	↑3.3
2/20 02:50	52.1	↑3.6
2/20 03:00	56.0	↑3.9
2/20 03:10	60.0	↑4.0
2/20 03:20	64.2	↑4.2
2/20 03:30	68.6	↑4.4
2/20 03:40	73.1	↑4.5
2/20 03:50	77.6	↑4.5
2/20 04:00	82.2	↑4.6
2/20 04:10	86.9	↑4.7	最大潮位差
2/20 04:20	91.5	↑4.6
2/20 04:30	96.1	↑4.6
2/20 04:40	100.6	↑4.5
2/20 04:50	105.0	↑4.4
2/20 05:00	109.2	↑4.2
2/20 05:10	113.3	↑4.1
2/20 05:20	117.2	↑3.9
2/20 05:30	120.9	↑3.7
2/20 05:40	124.4	↑3.5
2/20 05:50	127.6	↑3.2
2/20 06:00	130.5	↑2.9
2/20 06:10	133.1	↑2.6
2/20 06:20	135.4	↑2.3
2/20 06:30	137.4	↑2.0
2/20 06:40	139.0	↑1.6
2/20 06:50	140.3	↑1.3
2/20 07:00	141.2	↑0.9
2/20 07:10	141.7	↑0.5
2/20 07:20	141.9	↑0.2	満潮
2/20 07:30	141.7	↓-0.2
2/20 07:40	141.2	↓-0.5
2/20 07:50	140.3	↓-0.9
2/20 08:00	139.0	↓-1.3
2/20 08:10	137.5	↓-1.5
2/20 08:20	135.6	↓-1.9
2/20 08:30	133.4	↓-2.2
2/20 08:40	130.9	↓-2.5
2/20 08:50	128.2	↓-2.7
2/20 09:00	125.3	↓-2.9
2/20 09:10	122.1	↓-3.2
2/20 09:20	118.7	↓-3.4
2/20 09:30	115.2	↓-3.5
2/20 09:40	111.5	↓-3.7
2/20 09:50	107.7	↓-3.8
2/20 10:00	103.8	↓-3.9
2/20 10:10	99.9	↓-3.9
2/20 10:20	96.0	↓-3.9
2/20 10:30	92.1	↓-3.9
2/20 10:40	88.2	↓-3.9
2/20 10:50	84.4	↓-3.8
2/20 11:00	80.7	↓-3.7
2/20 11:10	77.1	↓-3.6
2/20 11:20	73.7	↓-3.4
2/20 11:30	70.4	↓-3.3
2/20 11:40	67.3	↓-3.1
2/20 11:50	64.5	↓-2.8
2/20 12:00	61.9	↓-2.6
2/20 12:10	59.6	↓-2.3
2/20 12:20	57.6	↓-2.0
2/20 12:30	55.8	↓-1.8
2/20 12:40	54.4	↓-1.4
2/20 12:50	53.3	↓-1.1
2/20 13:00	52.5	↓-0.8
2/20 13:10	52.0	↓-0.5	干潮
2/20 13:20	51.9	↓-0.1	干潮
2/20 13:30	52.1	↑0.2
2/20 13:40	52.6	↑0.5
2/20 13:50	53.5	↑0.9
2/20 14:00	54.7	↑1.2
2/20 14:10	56.2	↑1.5
2/20 14:20	58.0	↑1.8
2/20 14:30	60.0	↑2.0
2/20 14:40	62.4	↑2.4
2/20 14:50	65.0	↑2.6
2/20 15:00	67.8	↑2.8
2/20 15:10	70.8	↑3.0
2/20 15:20	74.0	↑3.2
2/20 15:30	77.4	↑3.4
2/20 15:40	80.9	↑3.5
2/20 15:50	84.5	↑3.6
2/20 16:00	88.1	↑3.6
2/20 16:10	91.9	↑3.8
2/20 16:20	95.6	↑3.7
2/20 16:30	99.3	↑3.7
2/20 16:40	103.1	↑3.8
2/20 16:50	106.7	↑3.6
2/20 17:00	110.2	↑3.5
2/20 17:10	113.7	↑3.5
2/20 17:20	116.9	↑3.2
2/20 17:30	120.0	↑3.1
2/20 17:40	123.0	↑3.0
2/20 17:50	125.7	↑2.7
2/20 18:00	128.1	↑2.4
2/20 18:10	130.3	↑2.2
2/20 18:20	132.2	↑1.9
2/20 18:30	133.9	↑1.7
2/20 18:40	135.2	↑1.3
2/20 18:50	136.2	↑1.0
2/20 19:00	136.9	↑0.7
2/20 19:10	137.3	↑0.4	満潮
2/20 19:20	137.4	↑0.1
2/20 19:30	137.1	↓-0.3
2/20 19:40	136.5	↓-0.6
2/20 19:50	135.5	↓-1.0
2/20 20:00	134.2	↓-1.3
2/20 20:10	132.7	↓-1.5
2/20 20:20	130.8	↓-1.9
2/20 20:30	128.6	↓-2.2
2/20 20:40	126.2	↓-2.4
2/20 20:50	123.5	↓-2.7
2/20 21:00	120.5	↓-3.0
2/20 21:10	117.4	↓-3.1
2/20 21:20	114.0	↓-3.4
2/20 21:30	110.5	↓-3.5
2/20 21:40	106.9	↓-3.6
2/20 21:50	103.1	↓-3.8
2/20 22:00	99.2	↓-3.9
2/20 22:10	95.3	↓-3.9
2/20 22:20	91.3	↓-4.0
2/20 22:30	87.3	↓-4.0
2/20 22:40	83.4	↓-3.9
2/20 22:50	79.5	↓-3.9
2/20 23:00	75.7	↓-3.8
2/20 23:10	72.0	↓-3.7
2/20 23:20	68.4	↓-3.6
2/20 23:30	64.9	↓-3.5
2/20 23:40	61.7	↓-3.2
2/20 23:50	58.7	↓-3.0