20 (月)	05:34	10:59	16:35	23:21
	152cm	75cm	159cm	0cm
大潮 出 06:22 入 17:29 出 06:33 入 17:21

館山（千葉）2023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	13.5	↑3.3
2/20 00:10	17.2	↑3.7
2/20 00:20	21.2	↑4.0
2/20 00:30	25.5	↑4.3
2/20 00:40	30.1	↑4.6
2/20 00:50	35.0	↑4.9
2/20 01:00	40.0	↑5.0
2/20 01:10	45.3	↑5.3
2/20 01:20	50.7	↑5.4
2/20 01:30	56.3	↑5.6
2/20 01:40	61.9	↑5.6
2/20 01:50	67.7	↑5.8
2/20 02:00	73.4	↑5.7
2/20 02:10	79.2	↑5.8
2/20 02:20	85.0	↑5.8
2/20 02:30	90.7	↑5.7
2/20 02:40	96.4	↑5.7
2/20 02:50	101.9	↑5.5
2/20 03:00	107.2	↑5.3
2/20 03:10	112.4	↑5.2
2/20 03:20	117.4	↑5.0
2/20 03:30	122.1	↑4.7
2/20 03:40	126.5	↑4.4
2/20 03:50	130.7	↑4.2
2/20 04:00	134.5	↑3.8
2/20 04:10	138.0	↑3.5
2/20 04:20	141.1	↑3.1
2/20 04:30	143.8	↑2.7
2/20 04:40	146.1	↑2.3
2/20 04:50	148.1	↑2.0
2/20 05:00	149.6	↑1.5
2/20 05:10	150.7	↑1.1
2/20 05:20	151.4	↑0.7
2/20 05:30	151.7	↑0.3	満潮
2/20 05:40	151.7	0
2/20 05:50	151.2	↓-0.5
2/20 06:00	150.4	↓-0.8
2/20 06:10	149.2	↓-1.2
2/20 06:20	147.6	↓-1.6
2/20 06:30	145.8	↓-1.8
2/20 06:40	143.6	↓-2.2
2/20 06:50	141.2	↓-2.4
2/20 07:00	138.6	↓-2.6
2/20 07:10	135.7	↓-2.9
2/20 07:20	132.6	↓-3.1
2/20 07:30	129.3	↓-3.3
2/20 07:40	125.9	↓-3.4
2/20 07:50	122.3	↓-3.6
2/20 08:00	118.7	↓-3.6
2/20 08:10	115.0	↓-3.7
2/20 08:20	111.3	↓-3.7
2/20 08:30	107.7	↓-3.6
2/20 08:40	104.0	↓-3.7
2/20 08:50	100.4	↓-3.6
2/20 09:00	97.0	↓-3.4
2/20 09:10	93.7	↓-3.3
2/20 09:20	90.6	↓-3.1
2/20 09:30	87.6	↓-3.0
2/20 09:40	84.9	↓-2.7
2/20 09:50	82.5	↓-2.4
2/20 10:00	80.3	↓-2.2
2/20 10:10	78.5	↓-1.8
2/20 10:20	77.0	↓-1.5
2/20 10:30	75.8	↓-1.2
2/20 10:40	75.0	↓-0.8
2/20 10:50	74.5	↓-0.5	干潮
2/20 11:00	74.4	↓-0.1
2/20 11:10	74.7	↑0.3
2/20 11:20	75.3	↑0.6
2/20 11:30	76.3	↑1.0
2/20 11:40	77.6	↑1.3
2/20 11:50	79.2	↑1.6
2/20 12:00	81.1	↑1.9
2/20 12:10	83.4	↑2.3
2/20 12:20	85.9	↑2.5
2/20 12:30	88.7	↑2.8
2/20 12:40	91.7	↑3.0
2/20 12:50	94.9	↑3.2
2/20 13:00	98.2	↑3.3
2/20 13:10	101.8	↑3.6
2/20 13:20	105.4	↑3.6
2/20 13:30	109.2	↑3.8
2/20 13:40	113.0	↑3.8
2/20 13:50	116.8	↑3.8
2/20 14:00	120.7	↑3.9
2/20 14:10	124.5	↑3.8
2/20 14:20	128.3	↑3.8
2/20 14:30	132.0	↑3.7
2/20 14:40	135.6	↑3.6
2/20 14:50	139.1	↑3.5
2/20 15:00	142.3	↑3.2
2/20 15:10	145.4	↑3.1
2/20 15:20	148.2	↑2.8
2/20 15:30	150.7	↑2.5
2/20 15:40	152.9	↑2.2
2/20 15:50	154.8	↑1.9
2/20 16:00	156.4	↑1.6
2/20 16:10	157.6	↑1.2
2/20 16:20	158.3	↑0.7
2/20 16:30	158.7	↑0.4	満潮
2/20 16:40	158.7	0
2/20 16:50	158.2	↓-0.5
2/20 17:00	157.3	↓-0.9
2/20 17:10	155.9	↓-1.4
2/20 17:20	154.1	↓-1.8
2/20 17:30	151.9	↓-2.2
2/20 17:40	149.2	↓-2.7
2/20 17:50	146.2	↓-3.0
2/20 18:00	142.7	↓-3.5
2/20 18:10	138.9	↓-3.8
2/20 18:20	134.7	↓-4.2
2/20 18:30	130.2	↓-4.5
2/20 18:40	125.4	↓-4.8
2/20 18:50	120.3	↓-5.1
2/20 19:00	114.9	↓-5.4
2/20 19:10	109.4	↓-5.5
2/20 19:20	103.6	↓-5.8
2/20 19:30	97.7	↓-5.9
2/20 19:40	91.6	↓-6.1
2/20 19:50	85.5	↓-6.1
2/20 20:00	79.4	↓-6.1
2/20 20:10	73.2	↓-6.2	最大潮位差
2/20 20:20	67.0	↓-6.2	最大潮位差
2/20 20:30	60.9	↓-6.1
2/20 20:40	54.9	↓-6.0
2/20 20:50	49.0	↓-5.9
2/20 21:00	43.3	↓-5.7
2/20 21:10	37.8	↓-5.5
2/20 21:20	32.6	↓-5.2
2/20 21:30	27.6	↓-5.0
2/20 21:40	22.9	↓-4.7
2/20 21:50	18.6	↓-4.3
2/20 22:00	14.7	↓-3.9
2/20 22:10	11.1	↓-3.6
2/20 22:20	8.0	↓-3.1
2/20 22:30	5.3	↓-2.7
2/20 22:40	3.1	↓-2.2
2/20 22:50	1.4	↓-1.7
2/20 23:00	0.2	↓-1.2
2/20 23:10	-0.6	↓-0.8
2/20 23:20	-0.8	↓-0.2	干潮
2/20 23:30	-0.6	↑0.2
2/20 23:40	0.2	↑0.8
2/20 23:50	1.4	↑1.2