20 (日)	07:13	00:46	18:59	13:03
	151cm	24cm	151cm	60cm
中潮 出 06:22 入 17:30 出 21:05 入 08:24

館山（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	27.9	↓-2.2
2/20 00:10	26.1	↓-1.8
2/20 00:20	24.8	↓-1.3
2/20 00:30	23.9	↓-0.9
2/20 00:40	23.5	↓-0.4	干潮
2/20 00:50	23.5	0
2/20 01:00	23.9	↑0.4
2/20 01:10	24.7	↑0.8
2/20 01:20	26.0	↑1.3
2/20 01:30	27.7	↑1.7
2/20 01:40	29.8	↑2.1
2/20 01:50	32.2	↑2.4
2/20 02:00	35.1	↑2.9
2/20 02:10	38.2	↑3.1
2/20 02:20	41.7	↑3.5
2/20 02:30	45.5	↑3.8
2/20 02:40	49.5	↑4.0
2/20 02:50	53.8	↑4.3
2/20 03:00	58.3	↑4.5
2/20 03:10	63.0	↑4.7
2/20 03:20	67.9	↑4.9
2/20 03:30	72.8	↑4.9
2/20 03:40	77.9	↑5.1
2/20 03:50	83.0	↑5.1
2/20 04:00	88.2	↑5.2	最大潮位差
2/20 04:10	93.3	↑5.1
2/20 04:20	98.4	↑5.1
2/20 04:30	103.5	↑5.1
2/20 04:40	108.4	↑4.9
2/20 04:50	113.2	↑4.8
2/20 05:00	117.8	↑4.6
2/20 05:10	122.2	↑4.4
2/20 05:20	126.4	↑4.2
2/20 05:30	130.3	↑3.9
2/20 05:40	133.9	↑3.6
2/20 05:50	137.2	↑3.3
2/20 06:00	140.2	↑3.0
2/20 06:10	142.9	↑2.7
2/20 06:20	145.1	↑2.2
2/20 06:30	147.0	↑1.9
2/20 06:40	148.5	↑1.5
2/20 06:50	149.6	↑1.1
2/20 07:00	150.2	↑0.6
2/20 07:10	150.5	↑0.3	満潮
2/20 07:20	150.4	↓-0.1
2/20 07:30	149.9	↓-0.5
2/20 07:40	149.1	↓-0.8
2/20 07:50	147.8	↓-1.3
2/20 08:00	146.2	↓-1.6
2/20 08:10	144.3	↓-1.9
2/20 08:20	142.1	↓-2.2
2/20 08:30	139.5	↓-2.6
2/20 08:40	136.7	↓-2.8
2/20 08:50	133.7	↓-3.0
2/20 09:00	130.4	↓-3.3
2/20 09:10	126.9	↓-3.5
2/20 09:20	123.2	↓-3.7
2/20 09:30	119.4	↓-3.8
2/20 09:40	115.5	↓-3.9
2/20 09:50	111.6	↓-3.9
2/20 10:00	107.5	↓-4.1
2/20 10:10	103.5	↓-4.0
2/20 10:20	99.4	↓-4.1
2/20 10:30	95.5	↓-3.9
2/20 10:40	91.6	↓-3.9
2/20 10:50	87.8	↓-3.8
2/20 11:00	84.1	↓-3.7
2/20 11:10	80.6	↓-3.5
2/20 11:20	77.3	↓-3.3
2/20 11:30	74.3	↓-3.0
2/20 11:40	71.4	↓-2.9
2/20 11:50	68.9	↓-2.5
2/20 12:00	66.6	↓-2.3
2/20 12:10	64.7	↓-1.9
2/20 12:20	63.1	↓-1.6
2/20 12:30	61.8	↓-1.3
2/20 12:40	60.8	↓-1.0
2/20 12:50	60.2	↓-0.6
2/20 13:00	60.0	↓-0.2	干潮
2/20 13:10	60.0	0
2/20 13:20	60.5	↑0.5
2/20 13:30	61.3	↑0.8
2/20 13:40	62.4	↑1.1
2/20 13:50	63.8	↑1.4
2/20 14:00	65.5	↑1.7
2/20 14:10	67.6	↑2.1
2/20 14:20	69.9	↑2.3
2/20 14:30	72.4	↑2.5
2/20 14:40	75.3	↑2.9
2/20 14:50	78.3	↑3.0
2/20 15:00	81.5	↑3.2
2/20 15:10	84.9	↑3.4
2/20 15:20	88.5	↑3.6
2/20 15:30	92.2	↑3.7
2/20 15:40	96.0	↑3.8
2/20 15:50	99.8	↑3.8
2/20 16:00	103.8	↑4.0
2/20 16:10	107.7	↑3.9
2/20 16:20	111.6	↑3.9
2/20 16:30	115.5	↑3.9
2/20 16:40	119.3	↑3.8
2/20 16:50	123.1	↑3.8
2/20 17:00	126.7	↑3.6
2/20 17:10	130.1	↑3.4
2/20 17:20	133.3	↑3.2
2/20 17:30	136.4	↑3.1
2/20 17:40	139.1	↑2.7
2/20 17:50	141.6	↑2.5
2/20 18:00	143.9	↑2.3
2/20 18:10	145.8	↑1.9
2/20 18:20	147.3	↑1.5
2/20 18:30	148.5	↑1.2
2/20 18:40	149.4	↑0.9
2/20 18:50	149.9	↑0.5	満潮
2/20 19:00	150.0	↑0.1
2/20 19:10	149.7	↓-0.3
2/20 19:20	149.1	↓-0.6
2/20 19:30	148.0	↓-1.1
2/20 19:40	146.6	↓-1.4
2/20 19:50	144.9	↓-1.7
2/20 20:00	142.7	↓-2.2
2/20 20:10	140.3	↓-2.4
2/20 20:20	137.5	↓-2.8
2/20 20:30	134.4	↓-3.1
2/20 20:40	131.1	↓-3.3
2/20 20:50	127.4	↓-3.7
2/20 21:00	123.6	↓-3.8
2/20 21:10	119.5	↓-4.1
2/20 21:20	115.3	↓-4.2
2/20 21:30	110.9	↓-4.4
2/20 21:40	106.3	↓-4.6
2/20 21:50	101.7	↓-4.6
2/20 22:00	97.0	↓-4.7
2/20 22:10	92.3	↓-4.7
2/20 22:20	87.6	↓-4.7
2/20 22:30	82.9	↓-4.7
2/20 22:40	78.3	↓-4.6
2/20 22:50	73.8	↓-4.5
2/20 23:00	69.4	↓-4.4
2/20 23:10	65.2	↓-4.2
2/20 23:20	61.2	↓-4.0
2/20 23:30	57.4	↓-3.8
2/20 23:40	53.8	↓-3.6
2/20 23:50	50.6	↓-3.2