20 (土)	03:25	09:59	16:33	22:14
	156cm	36cm	151cm	71cm
大潮 出 05:28 入 17:42 出 03:38 入 16:54 潮干狩り ○ 09:17～10:40

館山（千葉）2025年09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
9/20 00:00	108.3	↑2.9
9/20 00:10	111.3	↑3.0
9/20 00:20	114.4	↑3.1
9/20 00:30	117.6	↑3.2
9/20 00:40	120.8	↑3.2
9/20 00:50	124.0	↑3.2
9/20 01:00	127.2	↑3.2
9/20 01:10	130.3	↑3.1
9/20 01:20	133.4	↑3.1
9/20 01:30	136.4	↑3.0
9/20 01:40	139.3	↑2.9
9/20 01:50	142.0	↑2.7
9/20 02:00	144.6	↑2.6
9/20 02:10	146.9	↑2.3
9/20 02:20	149.1	↑2.2
9/20 02:30	150.9	↑1.8
9/20 02:40	152.5	↑1.6
9/20 02:50	153.8	↑1.3
9/20 03:00	154.8	↑1.0
9/20 03:10	155.5	↑0.7
9/20 03:20	155.8	↑0.3	満潮
9/20 03:30	155.7	↓-0.1
9/20 03:40	155.4	↓-0.3
9/20 03:50	154.6	↓-0.8
9/20 04:00	153.5	↓-1.1
9/20 04:10	152.1	↓-1.4
9/20 04:20	150.3	↓-1.8
9/20 04:30	148.2	↓-2.1
9/20 04:40	145.8	↓-2.4
9/20 04:50	143.0	↓-2.8
9/20 05:00	140.0	↓-3.0
9/20 05:10	136.7	↓-3.3
9/20 05:20	133.2	↓-3.5
9/20 05:30	129.4	↓-3.8
9/20 05:40	125.4	↓-4.0
9/20 05:50	121.2	↓-4.2
9/20 06:00	116.8	↓-4.4
9/20 06:10	112.3	↓-4.5
9/20 06:20	107.7	↓-4.6
9/20 06:30	103.0	↓-4.7
9/20 06:40	98.2	↓-4.8	最大潮位差
9/20 06:50	93.4	↓-4.8	最大潮位差
9/20 07:00	88.6	↓-4.8	最大潮位差
9/20 07:10	83.8	↓-4.8	最大潮位差
9/20 07:20	79.1	↓-4.7
9/20 07:30	74.4	↓-4.7
9/20 07:40	69.9	↓-4.5
9/20 07:50	65.5	↓-4.4
9/20 08:00	61.3	↓-4.2
9/20 08:10	57.4	↓-3.9
9/20 08:20	53.6	↓-3.8
9/20 08:30	50.2	↓-3.4
9/20 08:40	47.1	↓-3.1
9/20 08:50	44.3	↓-2.8
9/20 09:00	41.8	↓-2.5
9/20 09:10	39.7	↓-2.1
9/20 09:20	38.0	↓-1.7
9/20 09:30	36.7	↓-1.3
9/20 09:40	35.8	↓-0.9
9/20 09:50	35.2	↓-0.6	干潮
9/20 10:00	35.1	↓-0.1
9/20 10:10	35.4	↑0.3
9/20 10:20	36.1	↑0.7
9/20 10:30	37.1	↑1.0
9/20 10:40	38.5	↑1.4
9/20 10:50	40.3	↑1.8
9/20 11:00	42.3	↑2.0
9/20 11:10	44.7	↑2.4
9/20 11:20	47.4	↑2.7
9/20 11:30	50.4	↑3.0
9/20 11:40	53.7	↑3.3
9/20 11:50	57.1	↑3.4
9/20 12:00	60.8	↑3.7
9/20 12:10	64.7	↑3.9
9/20 12:20	68.7	↑4.0
9/20 12:30	72.9	↑4.2
9/20 12:40	77.3	↑4.4
9/20 12:50	81.7	↑4.4
9/20 13:00	86.2	↑4.5
9/20 13:10	90.7	↑4.5
9/20 13:20	95.3	↑4.6
9/20 13:30	99.8	↑4.5
9/20 13:40	104.3	↑4.5
9/20 13:50	108.8	↑4.5
9/20 14:00	113.1	↑4.3
9/20 14:10	117.4	↑4.3
9/20 14:20	121.4	↑4.0
9/20 14:30	125.3	↑3.9
9/20 14:40	129.0	↑3.7
9/20 14:50	132.5	↑3.5
9/20 15:00	135.7	↑3.2
9/20 15:10	138.6	↑2.9
9/20 15:20	141.2	↑2.6
9/20 15:30	143.6	↑2.4
9/20 15:40	145.5	↑1.9
9/20 15:50	147.2	↑1.7
9/20 16:00	148.5	↑1.3
9/20 16:10	149.4	↑0.9
9/20 16:20	150.0	↑0.6
9/20 16:30	150.3	↑0.3	満潮
9/20 16:40	150.2	↓-0.1
9/20 16:50	149.7	↓-0.5
9/20 17:00	149.0	↓-0.7
9/20 17:10	147.9	↓-1.1
9/20 17:20	146.5	↓-1.4
9/20 17:30	144.8	↓-1.7
9/20 17:40	142.9	↓-1.9
9/20 17:50	140.7	↓-2.2
9/20 18:00	138.2	↓-2.5
9/20 18:10	135.5	↓-2.7
9/20 18:20	132.6	↓-2.9
9/20 18:30	129.5	↓-3.1
9/20 18:40	126.3	↓-3.2
9/20 18:50	122.9	↓-3.4
9/20 19:00	119.4	↓-3.5
9/20 19:10	115.9	↓-3.5
9/20 19:20	112.2	↓-3.7
9/20 19:30	108.6	↓-3.6
9/20 19:40	104.9	↓-3.7
9/20 19:50	101.3	↓-3.6
9/20 20:00	97.8	↓-3.5
9/20 20:10	94.3	↓-3.5
9/20 20:20	91.0	↓-3.3
9/20 20:30	87.8	↓-3.2
9/20 20:40	84.8	↓-3.0
9/20 20:50	82.0	↓-2.8
9/20 21:00	79.5	↓-2.5
9/20 21:10	77.3	↓-2.2
9/20 21:20	75.3	↓-2.0
9/20 21:30	73.7	↓-1.6
9/20 21:40	72.4	↓-1.3
9/20 21:50	71.4	↓-1.0
9/20 22:00	70.8	↓-0.6
9/20 22:10	70.5	↓-0.3	干潮
9/20 22:20	70.5	0
9/20 22:30	71.0	↑0.5
9/20 22:40	71.7	↑0.7
9/20 22:50	72.8	↑1.1
9/20 23:00	74.2	↑1.4
9/20 23:10	76.0	↑1.8
9/20 23:20	78.0	↑2.0
9/20 23:30	80.3	↑2.3
9/20 23:40	82.9	↑2.6
9/20 23:50	85.7	↑2.8