21 (木)	06:12	11:58	17:59	-
	172cm	67cm	181cm	-
中潮 出 05:29 入 17:40 出 08:11 入 18:54

館山（千葉）2028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	36.8	↑0.1
9/21 00:10	37.4	↑0.6
9/21 00:20	38.4	↑1.0
9/21 00:30	40.0	↑1.6
9/21 00:40	41.9	↑1.9
9/21 00:50	44.3	↑2.4
9/21 01:00	47.1	↑2.8
9/21 01:10	50.3	↑3.2
9/21 01:20	53.9	↑3.6
9/21 01:30	57.8	↑3.9
9/21 01:40	62.0	↑4.2
9/21 01:50	66.5	↑4.5
9/21 02:00	71.3	↑4.8
9/21 02:10	76.2	↑4.9
9/21 02:20	81.4	↑5.2
9/21 02:30	86.7	↑5.3
9/21 02:40	92.1	↑5.4
9/21 02:50	97.7	↑5.6
9/21 03:00	103.2	↑5.5
9/21 03:10	108.8	↑5.6
9/21 03:20	114.3	↑5.5
9/21 03:30	119.8	↑5.5
9/21 03:40	125.1	↑5.3
9/21 03:50	130.3	↑5.2
9/21 04:00	135.4	↑5.1
9/21 04:10	140.2	↑4.8
9/21 04:20	144.8	↑4.6
9/21 04:30	149.1	↑4.3
9/21 04:40	153.0	↑3.9
9/21 04:50	156.7	↑3.7
9/21 05:00	160.0	↑3.3
9/21 05:10	162.9	↑2.9
9/21 05:20	165.4	↑2.5
9/21 05:30	167.4	↑2.0
9/21 05:40	169.1	↑1.7
9/21 05:50	170.2	↑1.1
9/21 06:00	171.0	↑0.8
9/21 06:10	171.2	↑0.2	満潮
9/21 06:20	171.1	↓-0.1
9/21 06:30	170.4	↓-0.7
9/21 06:40	169.4	↓-1.0
9/21 06:50	167.9	↓-1.5
9/21 07:00	166.0	↓-1.9
9/21 07:10	163.7	↓-2.3
9/21 07:20	161.1	↓-2.6
9/21 07:30	158.1	↓-3.0
9/21 07:40	154.8	↓-3.3
9/21 07:50	151.2	↓-3.6
9/21 08:00	147.3	↓-3.9
9/21 08:10	143.3	↓-4.0
9/21 08:20	139.0	↓-4.3
9/21 08:30	134.5	↓-4.5
9/21 08:40	130.0	↓-4.5
9/21 08:50	125.3	↓-4.7
9/21 09:00	120.6	↓-4.7
9/21 09:10	115.9	↓-4.7
9/21 09:20	111.2	↓-4.7
9/21 09:30	106.6	↓-4.6
9/21 09:40	102.1	↓-4.5
9/21 09:50	97.7	↓-4.4
9/21 10:00	93.5	↓-4.2
9/21 10:10	89.4	↓-4.1
9/21 10:20	85.6	↓-3.8
9/21 10:30	82.1	↓-3.5
9/21 10:40	78.9	↓-3.2
9/21 10:50	76.0	↓-2.9
9/21 11:00	73.5	↓-2.5
9/21 11:10	71.3	↓-2.2
9/21 11:20	69.6	↓-1.7
9/21 11:30	68.2	↓-1.4
9/21 11:40	67.3	↓-0.9
9/21 11:50	66.7	↓-0.6	干潮
9/21 12:00	66.7	0
9/21 12:10	67.0	↑0.3
9/21 12:20	67.8	↑0.8
9/21 12:30	69.0	↑1.2
9/21 12:40	70.5	↑1.5
9/21 12:50	72.5	↑2.0
9/21 13:00	74.9	↑2.4
9/21 13:10	77.6	↑2.7
9/21 13:20	80.7	↑3.1
9/21 13:30	84.1	↑3.4
9/21 13:40	87.8	↑3.7
9/21 13:50	91.7	↑3.9
9/21 14:00	95.9	↑4.2
9/21 14:10	100.3	↑4.4
9/21 14:20	104.8	↑4.5
9/21 14:30	109.5	↑4.7
9/21 14:40	114.3	↑4.8
9/21 14:50	119.2	↑4.9
9/21 15:00	124.1	↑4.9
9/21 15:10	129.1	↑5.0
9/21 15:20	133.9	↑4.8
9/21 15:30	138.8	↑4.9
9/21 15:40	143.5	↑4.7
9/21 15:50	148.1	↑4.6
9/21 16:00	152.5	↑4.4
9/21 16:10	156.7	↑4.2
9/21 16:20	160.7	↑4.0
9/21 16:30	164.3	↑3.6
9/21 16:40	167.7	↑3.4
9/21 16:50	170.8	↑3.1
9/21 17:00	173.5	↑2.7
9/21 17:10	175.8	↑2.3
9/21 17:20	177.7	↑1.9
9/21 17:30	179.2	↑1.5
9/21 17:40	180.2	↑1.0
9/21 17:50	180.8	↑0.6	満潮
9/21 18:00	181.0	↑0.2
9/21 18:10	180.6	↓-0.4
9/21 18:20	179.8	↓-0.8
9/21 18:30	178.6	↓-1.2
9/21 18:40	176.9	↓-1.7
9/21 18:50	174.7	↓-2.2
9/21 19:00	172.1	↓-2.6
9/21 19:10	169.1	↓-3.0
9/21 19:20	165.7	↓-3.4
9/21 19:30	161.9	↓-3.8
9/21 19:40	157.7	↓-4.2
9/21 19:50	153.2	↓-4.5
9/21 20:00	148.4	↓-4.8
9/21 20:10	143.4	↓-5.0
9/21 20:20	138.1	↓-5.3
9/21 20:30	132.6	↓-5.5
9/21 20:40	126.9	↓-5.7
9/21 20:50	121.1	↓-5.8
9/21 21:00	115.2	↓-5.9
9/21 21:10	109.2	↓-6.0	最大潮位差
9/21 21:20	103.2	↓-6.0	最大潮位差
9/21 21:30	97.2	↓-6.0	最大潮位差
9/21 21:40	91.3	↓-5.9
9/21 21:50	85.5	↓-5.8
9/21 22:00	79.8	↓-5.7
9/21 22:10	74.3	↓-5.5
9/21 22:20	68.9	↓-5.4
9/21 22:30	63.8	↓-5.1
9/21 22:40	59.0	↓-4.8
9/21 22:50	54.5	↓-4.5
9/21 23:00	50.3	↓-4.2
9/21 23:10	46.5	↓-3.8
9/21 23:20	43.1	↓-3.4
9/21 23:30	40.1	↓-3.0
9/21 23:40	37.5	↓-2.6
9/21 23:50	35.3	↓-2.2