20 (月)	06:02	11:48	17:39	-
	158cm	55cm	162cm	-
大潮 出 06:22 入 17:30 出 06:55 入 18:58

館山（千葉）2034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	↑1.3
2/20 00:10	15.3	↑1.8
2/20 00:20	17.6	↑2.3
2/20 00:30	20.3	↑2.7
2/20 00:40	23.4	↑3.1
2/20 00:50	26.8	↑3.4
2/20 01:00	30.7	↑3.9
2/20 01:10	34.9	↑4.2
2/20 01:20	39.4	↑4.5
2/20 01:30	44.1	↑4.7
2/20 01:40	49.2	↑5.1
2/20 01:50	54.4	↑5.2
2/20 02:00	59.8	↑5.4
2/20 02:10	65.4	↑5.6
2/20 02:20	71.0	↑5.6
2/20 02:30	76.8	↑5.8
2/20 02:40	82.6	↑5.8
2/20 02:50	88.4	↑5.8
2/20 03:00	94.2	↑5.8
2/20 03:10	99.9	↑5.7
2/20 03:20	105.6	↑5.7
2/20 03:30	111.1	↑5.5
2/20 03:40	116.4	↑5.3
2/20 03:50	121.6	↑5.2
2/20 04:00	126.5	↑4.9
2/20 04:10	131.1	↑4.6
2/20 04:20	135.5	↑4.4
2/20 04:30	139.5	↑4.0
2/20 04:40	143.2	↑3.7
2/20 04:50	146.5	↑3.3
2/20 05:00	149.4	↑2.9
2/20 05:10	151.9	↑2.5
2/20 05:20	153.9	↑2.0
2/20 05:30	155.5	↑1.6
2/20 05:40	156.7	↑1.2
2/20 05:50	157.4	↑0.7
2/20 06:00	157.7	↑0.3	満潮
2/20 06:10	157.5	↓-0.2
2/20 06:20	156.9	↓-0.6
2/20 06:30	155.9	↓-1.0
2/20 06:40	154.4	↓-1.5
2/20 06:50	152.5	↓-1.9
2/20 07:00	150.2	↓-2.3
2/20 07:10	147.6	↓-2.6
2/20 07:20	144.7	↓-2.9
2/20 07:30	141.4	↓-3.3
2/20 07:40	137.9	↓-3.5
2/20 07:50	134.1	↓-3.8
2/20 08:00	130.0	↓-4.1
2/20 08:10	125.8	↓-4.2
2/20 08:20	121.5	↓-4.3
2/20 08:30	117.0	↓-4.5
2/20 08:40	112.4	↓-4.6
2/20 08:50	107.8	↓-4.6
2/20 09:00	103.1	↓-4.7
2/20 09:10	98.5	↓-4.6
2/20 09:20	93.9	↓-4.6
2/20 09:30	89.5	↓-4.4
2/20 09:40	85.1	↓-4.4
2/20 09:50	81.0	↓-4.1
2/20 10:00	77.0	↓-4.0
2/20 10:10	73.3	↓-3.7
2/20 10:20	69.8	↓-3.5
2/20 10:30	66.6	↓-3.2
2/20 10:40	63.8	↓-2.8
2/20 10:50	61.3	↓-2.5
2/20 11:00	59.1	↓-2.2
2/20 11:10	57.4	↓-1.7
2/20 11:20	56.0	↓-1.4
2/20 11:30	55.1	↓-0.9
2/20 11:40	54.6	↓-0.5	干潮
2/20 11:50	54.5	↓-0.1
2/20 12:00	54.9	↑0.4
2/20 12:10	55.6	↑0.7
2/20 12:20	56.8	↑1.2
2/20 12:30	58.4	↑1.6
2/20 12:40	60.4	↑2.0
2/20 12:50	62.7	↑2.3
2/20 13:00	65.4	↑2.7
2/20 13:10	68.4	↑3.0
2/20 13:20	71.7	↑3.3
2/20 13:30	75.3	↑3.6
2/20 13:40	79.2	↑3.9
2/20 13:50	83.2	↑4.0
2/20 14:00	87.5	↑4.3
2/20 14:10	91.9	↑4.4
2/20 14:20	96.5	↑4.6
2/20 14:30	101.1	↑4.6
2/20 14:40	105.8	↑4.7
2/20 14:50	110.5	↑4.7
2/20 15:00	115.2	↑4.7
2/20 15:10	119.8	↑4.6
2/20 15:20	124.4	↑4.6
2/20 15:30	128.8	↑4.4
2/20 15:40	133.1	↑4.3
2/20 15:50	137.2	↑4.1
2/20 16:00	141.1	↑3.9
2/20 16:10	144.7	↑3.6
2/20 16:20	148.0	↑3.3
2/20 16:30	151.0	↑3.0
2/20 16:40	153.7	↑2.7
2/20 16:50	156.0	↑2.3
2/20 17:00	157.9	↑1.9
2/20 17:10	159.3	↑1.4
2/20 17:20	160.4	↑1.1
2/20 17:30	161.0	↑0.6	満潮
2/20 17:40	161.1	↑0.1
2/20 17:50	160.8	↓-0.3
2/20 18:00	160.0	↓-0.8
2/20 18:10	158.7	↓-1.3
2/20 18:20	157.0	↓-1.7
2/20 18:30	154.9	↓-2.1
2/20 18:40	152.3	↓-2.6
2/20 18:50	149.3	↓-3.0
2/20 19:00	145.9	↓-3.4
2/20 19:10	142.1	↓-3.8
2/20 19:20	138.0	↓-4.1
2/20 19:30	133.6	↓-4.4
2/20 19:40	128.8	↓-4.8
2/20 19:50	123.8	↓-5.0
2/20 20:00	118.6	↓-5.2
2/20 20:10	113.2	↓-5.4
2/20 20:20	107.6	↓-5.6
2/20 20:30	101.9	↓-5.7
2/20 20:40	96.1	↓-5.8
2/20 20:50	90.2	↓-5.9	最大潮位差
2/20 21:00	84.4	↓-5.8
2/20 21:10	78.6	↓-5.8
2/20 21:20	72.8	↓-5.8
2/20 21:30	67.2	↓-5.6
2/20 21:40	61.7	↓-5.5
2/20 21:50	56.4	↓-5.3
2/20 22:00	51.3	↓-5.1
2/20 22:10	46.4	↓-4.9
2/20 22:20	41.9	↓-4.5
2/20 22:30	37.6	↓-4.3
2/20 22:40	33.7	↓-3.9
2/20 22:50	30.2	↓-3.5
2/20 23:00	27.1	↓-3.1
2/20 23:10	24.5	↓-2.6
2/20 23:20	22.2	↓-2.3
2/20 23:30	20.4	↓-1.8
2/20 23:40	19.1	↓-1.3
2/20 23:50	18.3	↓-0.8