21 (水)	06:24	00:14	18:33	12:26
	174cm	54cm	174cm	59cm
中潮 出 05:29 入 17:41 出 08:13 入 19:36

館山（千葉）2039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	54.3	↓-0.8
9/21 00:10	53.9	↓-0.4	干潮
9/21 00:20	54.0	↑0.1
9/21 00:30	54.6	↑0.6
9/21 00:40	55.5	↑0.9
9/21 00:50	56.9	↑1.4
9/21 01:00	58.7	↑1.8
9/21 01:10	60.9	↑2.2
9/21 01:20	63.4	↑2.5
9/21 01:30	66.4	↑3.0
9/21 01:40	69.6	↑3.2
9/21 01:50	73.1	↑3.5
9/21 02:00	77.0	↑3.9
9/21 02:10	81.1	↑4.1
9/21 02:20	85.4	↑4.3
9/21 02:30	89.9	↑4.5
9/21 02:40	94.6	↑4.7
9/21 02:50	99.4	↑4.8
9/21 03:00	104.3	↑4.9
9/21 03:10	109.3	↑5.0
9/21 03:20	114.3	↑5.0
9/21 03:30	119.4	↑5.1
9/21 03:40	124.3	↑4.9
9/21 03:50	129.3	↑5.0
9/21 04:00	134.1	↑4.8
9/21 04:10	138.8	↑4.7
9/21 04:20	143.3	↑4.5
9/21 04:30	147.6	↑4.3
9/21 04:40	151.6	↑4.0
9/21 04:50	155.4	↑3.8
9/21 05:00	158.9	↑3.5
9/21 05:10	162.1	↑3.2
9/21 05:20	164.9	↑2.8
9/21 05:30	167.3	↑2.4
9/21 05:40	169.4	↑2.1
9/21 05:50	171.0	↑1.6
9/21 06:00	172.3	↑1.3
9/21 06:10	173.1	↑0.8
9/21 06:20	173.4	↑0.3	満潮
9/21 06:30	173.3	↓-0.1
9/21 06:40	172.8	↓-0.5
9/21 06:50	171.9	↓-0.9
9/21 07:00	170.5	↓-1.4
9/21 07:10	168.7	↓-1.8
9/21 07:20	166.5	↓-2.2
9/21 07:30	163.9	↓-2.6
9/21 07:40	161.0	↓-2.9
9/21 07:50	157.8	↓-3.2
9/21 08:00	154.2	↓-3.6
9/21 08:10	150.3	↓-3.9
9/21 08:20	146.2	↓-4.1
9/21 08:30	141.9	↓-4.3
9/21 08:40	137.3	↓-4.6
9/21 08:50	132.7	↓-4.6
9/21 09:00	127.8	↓-4.9
9/21 09:10	122.9	↓-4.9
9/21 09:20	118.0	↓-4.9
9/21 09:30	113.0	↓-5.0
9/21 09:40	108.1	↓-4.9
9/21 09:50	103.2	↓-4.9
9/21 10:00	98.4	↓-4.8
9/21 10:10	93.7	↓-4.7
9/21 10:20	89.2	↓-4.5
9/21 10:30	84.9	↓-4.3
9/21 10:40	80.8	↓-4.1
9/21 10:50	77.0	↓-3.8
9/21 11:00	73.4	↓-3.6
9/21 11:10	70.3	↓-3.1
9/21 11:20	67.4	↓-2.9
9/21 11:30	64.9	↓-2.5
9/21 11:40	62.8	↓-2.1
9/21 11:50	61.1	↓-1.7
9/21 12:00	59.8	↓-1.3
9/21 12:10	59.0	↓-0.8
9/21 12:20	58.5	↓-0.5	干潮
9/21 12:30	58.5	0
9/21 12:40	59.0	↑0.5
9/21 12:50	59.8	↑0.8
9/21 13:00	61.1	↑1.3
9/21 13:10	62.8	↑1.7
9/21 13:20	64.8	↑2.0
9/21 13:30	67.2	↑2.4
9/21 13:40	70.0	↑2.8
9/21 13:50	73.1	↑3.1
9/21 14:00	76.5	↑3.4
9/21 14:10	80.2	↑3.7
9/21 14:20	84.2	↑4.0
9/21 14:30	88.4	↑4.2
9/21 14:40	92.7	↑4.3
9/21 14:50	97.3	↑4.6
9/21 15:00	101.9	↑4.6
9/21 15:10	106.7	↑4.8
9/21 15:20	111.6	↑4.9
9/21 15:30	116.5	↑4.9
9/21 15:40	121.3	↑4.8
9/21 15:50	126.2	↑4.9
9/21 16:00	131.0	↑4.8
9/21 16:10	135.7	↑4.7
9/21 16:20	140.2	↑4.5
9/21 16:30	144.6	↑4.4
9/21 16:40	148.8	↑4.2
9/21 16:50	152.7	↑3.9
9/21 17:00	156.4	↑3.7
9/21 17:10	159.8	↑3.4
9/21 17:20	162.9	↑3.1
9/21 17:30	165.6	↑2.7
9/21 17:40	168.0	↑2.4
9/21 17:50	170.0	↑2.0
9/21 18:00	171.5	↑1.5
9/21 18:10	172.7	↑1.2
9/21 18:20	173.4	↑0.7
9/21 18:30	173.7	↑0.3	満潮
9/21 18:40	173.6	↓-0.1
9/21 18:50	173.0	↓-0.6
9/21 19:00	172.0	↓-1.0
9/21 19:10	170.6	↓-1.4
9/21 19:20	168.7	↓-1.9
9/21 19:30	166.5	↓-2.2
9/21 19:40	163.9	↓-2.6
9/21 19:50	160.9	↓-3.0
9/21 20:00	157.6	↓-3.3
9/21 20:10	154.0	↓-3.6
9/21 20:20	150.1	↓-3.9
9/21 20:30	145.9	↓-4.2
9/21 20:40	141.4	↓-4.5
9/21 20:50	136.8	↓-4.6
9/21 21:00	132.0	↓-4.8
9/21 21:10	127.1	↓-4.9
9/21 21:20	122.0	↓-5.1
9/21 21:30	116.9	↓-5.1
9/21 21:40	111.7	↓-5.2	最大潮位差
9/21 21:50	106.6	↓-5.1
9/21 22:00	101.5	↓-5.1
9/21 22:10	96.4	↓-5.1
9/21 22:20	91.5	↓-4.9
9/21 22:30	86.6	↓-4.9
9/21 22:40	82.0	↓-4.6
9/21 22:50	77.6	↓-4.4
9/21 23:00	73.4	↓-4.2
9/21 23:10	69.5	↓-3.9
9/21 23:20	65.8	↓-3.7
9/21 23:30	62.5	↓-3.3
9/21 23:40	59.6	↓-2.9
9/21 23:50	57.0	↓-2.6