21 (金)	03:37	10:01	16:23	22:15
	154cm	44cm	151cm	59cm
大潮 出 05:29 入 17:41 出 16:38 入 03:54

館山（千葉）2029年09月21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
9/21 00:00	98.2	↑3.3
9/21 00:10	101.5	↑3.3
9/21 00:20	104.9	↑3.4
9/21 00:30	108.4	↑3.5
9/21 00:40	112.0	↑3.6
9/21 00:50	115.5	↑3.5
9/21 01:00	119.0	↑3.5
9/21 01:10	122.5	↑3.5
9/21 01:20	125.9	↑3.4
9/21 01:30	129.3	↑3.4
9/21 01:40	132.5	↑3.2
9/21 01:50	135.5	↑3.0
9/21 02:00	138.4	↑2.9
9/21 02:10	141.2	↑2.8
9/21 02:20	143.6	↑2.4
9/21 02:30	145.9	↑2.3
9/21 02:40	147.8	↑1.9
9/21 02:50	149.5	↑1.7
9/21 03:00	150.9	↑1.4
9/21 03:10	151.9	↑1.0
9/21 03:20	152.6	↑0.7
9/21 03:30	153.0	↑0.4	満潮
9/21 03:40	153.0	0
9/21 03:50	152.7	↓-0.3
9/21 04:00	152.0	↓-0.7
9/21 04:10	151.0	↓-1.0
9/21 04:20	149.6	↓-1.4
9/21 04:30	147.9	↓-1.7
9/21 04:40	145.9	↓-2.0
9/21 04:50	143.6	↓-2.3
9/21 05:00	141.0	↓-2.6
9/21 05:10	138.2	↓-2.8
9/21 05:20	135.1	↓-3.1
9/21 05:30	131.7	↓-3.4
9/21 05:40	128.2	↓-3.5
9/21 05:50	124.4	↓-3.8
9/21 06:00	120.5	↓-3.9
9/21 06:10	116.4	↓-4.1
9/21 06:20	112.3	↓-4.1
9/21 06:30	108.0	↓-4.3
9/21 06:40	103.6	↓-4.4
9/21 06:50	99.2	↓-4.4
9/21 07:00	94.7	↓-4.5	最大潮位差
9/21 07:10	90.3	↓-4.4
9/21 07:20	85.9	↓-4.4
9/21 07:30	81.6	↓-4.3
9/21 07:40	77.4	↓-4.2
9/21 07:50	73.2	↓-4.2
9/21 08:00	69.3	↓-3.9
9/21 08:10	65.5	↓-3.8
9/21 08:20	62.0	↓-3.5
9/21 08:30	58.7	↓-3.3
9/21 08:40	55.7	↓-3.0
9/21 08:50	53.0	↓-2.7
9/21 09:00	50.6	↓-2.4
9/21 09:10	48.5	↓-2.1
9/21 09:20	46.8	↓-1.7
9/21 09:30	45.5	↓-1.3
9/21 09:40	44.5	↓-1.0
9/21 09:50	44.0	↓-0.5
9/21 10:00	43.8	↓-0.2	干潮
9/21 10:10	43.9	↑0.1
9/21 10:20	44.5	↑0.6
9/21 10:30	45.4	↑0.9
9/21 10:40	46.7	↑1.3
9/21 10:50	48.3	↑1.6
9/21 11:00	50.2	↑1.9
9/21 11:10	52.5	↑2.3
9/21 11:20	55.0	↑2.5
9/21 11:30	57.8	↑2.8
9/21 11:40	60.8	↑3.0
9/21 11:50	64.1	↑3.3
9/21 12:00	67.6	↑3.5
9/21 12:10	71.3	↑3.7
9/21 12:20	75.1	↑3.8
9/21 12:30	79.1	↑4.0
9/21 12:40	83.2	↑4.1
9/21 12:50	87.4	↑4.2
9/21 13:00	91.6	↑4.2
9/21 13:10	96.0	↑4.4
9/21 13:20	100.3	↑4.3
9/21 13:30	104.6	↑4.3
9/21 13:40	108.9	↑4.3
9/21 13:50	113.1	↑4.2
9/21 14:00	117.3	↑4.2
9/21 14:10	121.3	↑4.0
9/21 14:20	125.1	↑3.8
9/21 14:30	128.8	↑3.7
9/21 14:40	132.2	↑3.4
9/21 14:50	135.5	↑3.3
9/21 15:00	138.4	↑2.9
9/21 15:10	141.1	↑2.7
9/21 15:20	143.5	↑2.4
9/21 15:30	145.5	↑2.0
9/21 15:40	147.2	↑1.7
9/21 15:50	148.5	↑1.3
9/21 16:00	149.5	↑1.0
9/21 16:10	150.1	↑0.6
9/21 16:20	150.4	↑0.3	満潮
9/21 16:30	150.2	↓-0.2
9/21 16:40	149.8	↓-0.4
9/21 16:50	148.9	↓-0.9
9/21 17:00	147.7	↓-1.2
9/21 17:10	146.2	↓-1.5
9/21 17:20	144.4	↓-1.8
9/21 17:30	142.3	↓-2.1
9/21 17:40	139.8	↓-2.5
9/21 17:50	137.1	↓-2.7
9/21 18:00	134.2	↓-2.9
9/21 18:10	131.0	↓-3.2
9/21 18:20	127.7	↓-3.3
9/21 18:30	124.1	↓-3.6
9/21 18:40	120.4	↓-3.7
9/21 18:50	116.6	↓-3.8
9/21 19:00	112.6	↓-4.0
9/21 19:10	108.6	↓-4.0
9/21 19:20	104.5	↓-4.1
9/21 19:30	100.4	↓-4.1
9/21 19:40	96.4	↓-4.0
9/21 19:50	92.3	↓-4.1
9/21 20:00	88.4	↓-3.9
9/21 20:10	84.6	↓-3.8
9/21 20:20	80.9	↓-3.7
9/21 20:30	77.4	↓-3.5
9/21 20:40	74.1	↓-3.3
9/21 20:50	71.1	↓-3.0
9/21 21:00	68.3	↓-2.8
9/21 21:10	65.8	↓-2.5
9/21 21:20	63.7	↓-2.1
9/21 21:30	61.8	↓-1.9
9/21 21:40	60.4	↓-1.4
9/21 21:50	59.3	↓-1.1
9/21 22:00	58.6	↓-0.7
9/21 22:10	58.2	↓-0.4	干潮
9/21 22:20	58.3	↑0.1
9/21 22:30	58.7	↑0.4
9/21 22:40	59.4	↑0.7
9/21 22:50	60.6	↑1.2
9/21 23:00	62.1	↑1.5
9/21 23:10	63.9	↑1.8
9/21 23:20	66.0	↑2.1
9/21 23:30	68.5	↑2.5
9/21 23:40	71.2	↑2.7
9/21 23:50	74.1	↑2.9