20 (木)	05:35	11:04	16:40	23:22
	154cm	73cm	159cm	0cm
大潮 出 06:22 入 17:30 出 06:31 入 17:20

館山（千葉）2042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	14.2	↑3.2
2/20 00:10	17.9	↑3.7
2/20 00:20	21.8	↑3.9
2/20 00:30	26.1	↑4.3
2/20 00:40	30.7	↑4.6
2/20 00:50	35.5	↑4.8
2/20 01:00	40.6	↑5.1
2/20 01:10	45.8	↑5.2
2/20 01:20	51.2	↑5.4
2/20 01:30	56.8	↑5.6
2/20 01:40	62.5	↑5.7
2/20 01:50	68.2	↑5.7
2/20 02:00	74.0	↑5.8
2/20 02:10	79.9	↑5.9
2/20 02:20	85.7	↑5.8
2/20 02:30	91.4	↑5.7
2/20 02:40	97.1	↑5.7
2/20 02:50	102.7	↑5.6
2/20 03:00	108.1	↑5.4
2/20 03:10	113.3	↑5.2
2/20 03:20	118.4	↑5.1
2/20 03:30	123.2	↑4.8
2/20 03:40	127.7	↑4.5
2/20 03:50	131.9	↑4.2
2/20 04:00	135.8	↑3.9
2/20 04:10	139.4	↑3.6
2/20 04:20	142.6	↑3.2
2/20 04:30	145.4	↑2.8
2/20 04:40	147.8	↑2.4
2/20 04:50	149.8	↑2.0
2/20 05:00	151.4	↑1.6
2/20 05:10	152.6	↑1.2
2/20 05:20	153.4	↑0.8
2/20 05:30	153.7	↑0.3	満潮
2/20 05:40	153.7	0
2/20 05:50	153.3	↓-0.4
2/20 06:00	152.4	↓-0.9
2/20 06:10	151.3	↓-1.1
2/20 06:20	149.7	↓-1.6
2/20 06:30	147.8	↓-1.9
2/20 06:40	145.7	↓-2.1
2/20 06:50	143.2	↓-2.5
2/20 07:00	140.5	↓-2.7
2/20 07:10	137.5	↓-3.0
2/20 07:20	134.3	↓-3.2
2/20 07:30	131.0	↓-3.3
2/20 07:40	127.4	↓-3.6
2/20 07:50	123.8	↓-3.6
2/20 08:00	120.1	↓-3.7
2/20 08:10	116.3	↓-3.8
2/20 08:20	112.4	↓-3.9
2/20 08:30	108.6	↓-3.8
2/20 08:40	104.8	↓-3.8
2/20 08:50	101.1	↓-3.7
2/20 09:00	97.5	↓-3.6
2/20 09:10	94.0	↓-3.5
2/20 09:20	90.7	↓-3.3
2/20 09:30	87.6	↓-3.1
2/20 09:40	84.7	↓-2.9
2/20 09:50	82.0	↓-2.7
2/20 10:00	79.7	↓-2.3
2/20 10:10	77.6	↓-2.1
2/20 10:20	75.9	↓-1.7
2/20 10:30	74.5	↓-1.4
2/20 10:40	73.5	↓-1.0
2/20 10:50	72.8	↓-0.7
2/20 11:00	72.6	↓-0.2	干潮
2/20 11:10	72.6	0
2/20 11:20	73.1	↑0.5
2/20 11:30	73.9	↑0.8
2/20 11:40	75.0	↑1.1
2/20 11:50	76.6	↑1.6
2/20 12:00	78.4	↑1.8
2/20 12:10	80.5	↑2.1
2/20 12:20	83.0	↑2.5
2/20 12:30	85.7	↑2.7
2/20 12:40	88.6	↑2.9
2/20 12:50	91.8	↑3.2
2/20 13:00	95.2	↑3.4
2/20 13:10	98.7	↑3.5
2/20 13:20	102.4	↑3.7
2/20 13:30	106.2	↑3.8
2/20 13:40	110.0	↑3.8
2/20 13:50	114.0	↑4.0
2/20 14:00	117.9	↑3.9
2/20 14:10	121.8	↑3.9
2/20 14:20	125.7	↑3.9
2/20 14:30	129.5	↑3.8
2/20 14:40	133.2	↑3.7
2/20 14:50	136.8	↑3.6
2/20 15:00	140.2	↑3.4
2/20 15:10	143.4	↑3.2
2/20 15:20	146.3	↑2.9
2/20 15:30	149.0	↑2.7
2/20 15:40	151.4	↑2.4
2/20 15:50	153.5	↑2.1
2/20 16:00	155.3	↑1.8
2/20 16:10	156.6	↑1.3
2/20 16:20	157.6	↑1.0
2/20 16:30	158.2	↑0.6	満潮
2/20 16:40	158.3	↑0.1	満潮
2/20 16:50	158.1	↓-0.2
2/20 17:00	157.3	↓-0.8
2/20 17:10	156.2	↓-1.1
2/20 17:20	154.6	↓-1.6
2/20 17:30	152.5	↓-2.1
2/20 17:40	150.0	↓-2.5
2/20 17:50	147.1	↓-2.9
2/20 18:00	143.8	↓-3.3
2/20 18:10	140.1	↓-3.7
2/20 18:20	136.1	↓-4.0
2/20 18:30	131.7	↓-4.4
2/20 18:40	126.9	↓-4.8
2/20 18:50	121.9	↓-5.0
2/20 19:00	116.6	↓-5.3
2/20 19:10	111.1	↓-5.5
2/20 19:20	105.4	↓-5.7
2/20 19:30	99.5	↓-5.9
2/20 19:40	93.5	↓-6.0
2/20 19:50	87.4	↓-6.1
2/20 20:00	81.2	↓-6.2	最大潮位差
2/20 20:10	75.1	↓-6.1
2/20 20:20	68.9	↓-6.2	最大潮位差
2/20 20:30	62.7	↓-6.2	最大潮位差
2/20 20:40	56.7	↓-6.0
2/20 20:50	50.8	↓-5.9
2/20 21:00	45.0	↓-5.8
2/20 21:10	39.5	↓-5.5
2/20 21:20	34.2	↓-5.3
2/20 21:30	29.2	↓-5.0
2/20 21:40	24.4	↓-4.8
2/20 21:50	20.0	↓-4.4
2/20 22:00	16.0	↓-4.0
2/20 22:10	12.4	↓-3.6
2/20 22:20	9.2	↓-3.2
2/20 22:30	6.4	↓-2.8
2/20 22:40	4.1	↓-2.3
2/20 22:50	2.3	↓-1.8
2/20 23:00	1.0	↓-1.3
2/20 23:10	0.2	↓-0.8
2/20 23:20	-0.1	↓-0.3	干潮
2/20 23:30	0.0	↑0.1
2/20 23:40	0.7	0
2/20 23:50	1.9	↑1.2