20 (木)	05:17	11:46	18:16	23:57
	163cm	8cm	158cm	64cm
大潮 出 05:05 入 18:18 出 06:10 入 19:58 潮干狩り ◎ 09:52～13:40

館山（千葉）2034年04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
4/20 00:00	55.3	↑1.5
4/20 00:10	57.2	↑1.9
4/20 00:20	59.4	↑2.2
4/20 00:30	62.1	↑2.7
4/20 00:40	65.1	↑3.0
4/20 00:50	68.3	↑3.2
4/20 01:00	71.9	↑3.6
4/20 01:10	75.7	↑3.8
4/20 01:20	79.8	↑4.1
4/20 01:30	84.0	↑4.2
4/20 01:40	88.5	↑4.5
4/20 01:50	93.0	↑4.5
4/20 02:00	97.7	↑4.7
4/20 02:10	102.4	↑4.7
4/20 02:20	107.2	↑4.8
4/20 02:30	111.9	↑4.7
4/20 02:40	116.7	↑4.8
4/20 02:50	121.3	↑4.6
4/20 03:00	125.9	↑4.6
4/20 03:10	130.4	↑4.5
4/20 03:20	134.6	↑4.2
4/20 03:30	138.7	↑4.1
4/20 03:40	142.6	↑3.9
4/20 03:50	146.1	↑3.5
4/20 04:00	149.4	↑3.3
4/20 04:10	152.4	↑3.0
4/20 04:20	155.0	↑2.6
4/20 04:30	157.2	↑2.2
4/20 04:40	159.1	↑1.9
4/20 04:50	160.5	↑1.4
4/20 05:00	161.4	↑0.9
4/20 05:10	161.9	↑0.5	満潮
4/20 05:20	162.0	↑0.1
4/20 05:30	161.6	↓-0.4
4/20 05:40	160.7	↓-0.9
4/20 05:50	159.3	↓-1.4
4/20 06:00	157.4	↓-1.9
4/20 06:10	155.1	↓-2.3
4/20 06:20	152.4	↓-2.7
4/20 06:30	149.2	↓-3.2
4/20 06:40	145.5	↓-3.7
4/20 06:50	141.5	↓-4.0
4/20 07:00	137.2	↓-4.3
4/20 07:10	132.5	↓-4.7
4/20 07:20	127.4	↓-5.1
4/20 07:30	122.1	↓-5.3
4/20 07:40	116.6	↓-5.5
4/20 07:50	110.8	↓-5.8
4/20 08:00	104.9	↓-5.9
4/20 08:10	98.8	↓-6.1
4/20 08:20	92.7	↓-6.1
4/20 08:30	86.4	↓-6.3	最大潮位差
4/20 08:40	80.2	↓-6.2
4/20 08:50	74.0	↓-6.2
4/20 09:00	67.8	↓-6.2
4/20 09:10	61.7	↓-6.1
4/20 09:20	55.8	↓-5.9
4/20 09:30	50.1	↓-5.7
4/20 09:40	44.5	↓-5.6
4/20 09:50	39.3	↓-5.2
4/20 10:00	34.3	↓-5.0
4/20 10:10	29.7	↓-4.6
4/20 10:20	25.4	↓-4.3
4/20 10:30	21.5	↓-3.9
4/20 10:40	18.1	↓-3.4
4/20 10:50	15.1	↓-3.0
4/20 11:00	12.5	↓-2.6
4/20 11:10	10.5	↓-2.0
4/20 11:20	8.9	↓-1.6
4/20 11:30	7.9	↓-1.0
4/20 11:40	7.4	↓-0.5	干潮
4/20 11:50	7.4	0
4/20 12:00	7.9	↑0.5
4/20 12:10	9.0	↑1.1
4/20 12:20	10.5	↑1.5
4/20 12:30	12.5	↑2.0
4/20 12:40	15.0	↑2.5
4/20 12:50	17.9	↑2.9
4/20 13:00	21.3	↑3.4
4/20 13:10	25.1	↑3.8
4/20 13:20	29.2	↑4.1
4/20 13:30	33.7	↑4.5
4/20 13:40	38.5	↑4.8
4/20 13:50	43.6	↑5.1
4/20 14:00	48.9	↑5.3
4/20 14:10	54.4	↑5.5
4/20 14:20	60.1	↑5.7
4/20 14:30	66.0	↑5.9
4/20 14:40	71.9	↑5.9
4/20 14:50	77.9	↑6.0
4/20 15:00	83.9	↑6.0
4/20 15:10	89.9	↑6.0
4/20 15:20	95.9	↑6.0
4/20 15:30	101.7	↑5.8
4/20 15:40	107.5	↑5.8
4/20 15:50	113.0	↑5.5
4/20 16:00	118.4	↑5.4
4/20 16:10	123.6	↑5.2
4/20 16:20	128.4	↑4.8
4/20 16:30	133.0	↑4.6
4/20 16:40	137.2	↑4.2
4/20 16:50	141.1	↑3.9
4/20 17:00	144.6	↑3.5
4/20 17:10	147.7	↑3.1
4/20 17:20	150.4	↑2.7
4/20 17:30	152.7	↑2.3
4/20 17:40	154.5	↑1.8
4/20 17:50	155.9	↑1.4
4/20 18:00	156.8	↑0.9
4/20 18:10	157.2	↑0.4	満潮
4/20 18:20	157.2	0
4/20 18:30	156.8	↓-0.4
4/20 18:40	156.0	↓-0.8
4/20 18:50	154.7	↓-1.3
4/20 19:00	153.0	↓-1.7
4/20 19:10	151.0	↓-2.0
4/20 19:20	148.6	↓-2.4
4/20 19:30	145.9	↓-2.7
4/20 19:40	142.9	↓-3.0
4/20 19:50	139.6	↓-3.3
4/20 20:00	136.0	↓-3.6
4/20 20:10	132.3	↓-3.7
4/20 20:20	128.4	↓-3.9
4/20 20:30	124.3	↓-4.1
4/20 20:40	120.1	↓-4.2
4/20 20:50	115.9	↓-4.2
4/20 21:00	111.6	↓-4.3
4/20 21:10	107.3	↓-4.3
4/20 21:20	103.0	↓-4.3
4/20 21:30	98.8	↓-4.2
4/20 21:40	94.7	↓-4.1
4/20 21:50	90.7	↓-4.0
4/20 22:00	86.9	↓-3.8
4/20 22:10	83.2	↓-3.7
4/20 22:20	79.8	↓-3.4
4/20 22:30	76.7	↓-3.1
4/20 22:40	73.8	↓-2.9
4/20 22:50	71.2	↓-2.6
4/20 23:00	69.0	↓-2.2
4/20 23:10	67.0	↓-2.0
4/20 23:20	65.5	↓-1.5
4/20 23:30	64.3	↓-1.2
4/20 23:40	63.5	↓-0.8
4/20 23:50	63.1	↓-0.4	干潮