20 (月)	06:32	00:54	20:21	13:26
	145cm	84cm	140cm	20cm
中潮 出 05:04 入 18:18 出 08:13 入 22:38 潮干狩り ◎ 11:43～15:10

館山（千葉）2037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	87.3	↓-1.5
4/20 00:10	86.0	↓-1.3
4/20 00:20	85.0	↓-1.0
4/20 00:30	84.2	↓-0.8
4/20 00:40	83.7	↓-0.5
4/20 00:50	83.5	↓-0.2	干潮
4/20 01:00	83.6	↑0.1
4/20 01:10	83.9	↑0.3
4/20 01:20	84.5	↑0.6
4/20 01:30	85.3	↑0.8
4/20 01:40	86.4	↑1.1
4/20 01:50	87.7	↑1.3
4/20 02:00	89.2	↑1.5
4/20 02:10	90.9	↑1.7
4/20 02:20	92.8	↑1.9
4/20 02:30	94.9	↑2.1
4/20 02:40	97.1	↑2.2
4/20 02:50	99.5	↑2.4
4/20 03:00	102.0	↑2.5
4/20 03:10	104.5	↑2.5
4/20 03:20	107.2	↑2.7
4/20 03:30	109.9	↑2.7
4/20 03:40	112.7	↑2.8
4/20 03:50	115.4	↑2.7
4/20 04:00	118.2	↑2.8
4/20 04:10	121.0	↑2.8
4/20 04:20	123.7	↑2.7
4/20 04:30	126.3	↑2.6
4/20 04:40	128.9	↑2.6
4/20 04:50	131.3	↑2.4
4/20 05:00	133.6	↑2.3
4/20 05:10	135.8	↑2.2
4/20 05:20	137.8	↑2.0
4/20 05:30	139.6	↑1.8
4/20 05:40	141.1	↑1.5
4/20 05:50	142.4	↑1.3
4/20 06:00	143.5	↑1.1
4/20 06:10	144.3	↑0.8
4/20 06:20	144.8	↑0.5
4/20 06:30	145.0	↑0.2	満潮
4/20 06:40	144.9	↓-0.1
4/20 06:50	144.4	↓-0.5
4/20 07:00	143.7	↓-0.7
4/20 07:10	142.6	↓-1.1
4/20 07:20	141.2	↓-1.4
4/20 07:30	139.4	↓-1.8
4/20 07:40	137.4	↓-2.0
4/20 07:50	135.0	↓-2.4
4/20 08:00	132.4	↓-2.6
4/20 08:10	129.4	↓-3.0
4/20 08:20	126.2	↓-3.2
4/20 08:30	122.7	↓-3.5
4/20 08:40	119.0	↓-3.7
4/20 08:50	115.1	↓-3.9
4/20 09:00	111.0	↓-4.1
4/20 09:10	106.8	↓-4.2
4/20 09:20	102.4	↓-4.4
4/20 09:30	97.8	↓-4.6
4/20 09:40	93.2	↓-4.6
4/20 09:50	88.5	↓-4.7
4/20 10:00	83.7	↓-4.8	最大潮位差
4/20 10:10	78.9	↓-4.8	最大潮位差
4/20 10:20	74.1	↓-4.8	最大潮位差
4/20 10:30	69.4	↓-4.7
4/20 10:40	64.7	↓-4.7
4/20 10:50	60.1	↓-4.6
4/20 11:00	55.7	↓-4.4
4/20 11:10	51.3	↓-4.4
4/20 11:20	47.2	↓-4.1
4/20 11:30	43.3	↓-3.9
4/20 11:40	39.6	↓-3.7
4/20 11:50	36.1	↓-3.5
4/20 12:00	32.9	↓-3.2
4/20 12:10	30.1	↓-2.8
4/20 12:20	27.5	↓-2.6
4/20 12:30	25.3	↓-2.2
4/20 12:40	23.5	↓-1.8
4/20 12:50	22.0	↓-1.5
4/20 13:00	20.8	↓-1.2
4/20 13:10	20.1	↓-0.7
4/20 13:20	19.7	↓-0.4	干潮
4/20 13:30	19.7	0
4/20 13:40	20.1	↑0.4
4/20 13:50	20.8	↑0.7
4/20 14:00	21.9	↑1.1
4/20 14:10	23.4	↑1.5
4/20 14:20	25.2	↑1.8
4/20 14:30	27.3	↑2.1
4/20 14:40	29.7	↑2.4
4/20 14:50	32.4	↑2.7
4/20 15:00	35.4	↑3.0
4/20 15:10	38.6	↑3.2
4/20 15:20	42.1	↑3.5
4/20 15:30	45.7	↑3.6
4/20 15:40	49.6	↑3.9
4/20 15:50	53.6	↑4.0
4/20 16:00	57.8	↑4.2
4/20 16:10	62.1	↑4.3
4/20 16:20	66.6	↑4.5
4/20 16:30	71.1	↑4.5
4/20 16:40	75.6	↑4.5
4/20 16:50	80.2	↑4.6
4/20 17:00	84.7	↑4.5
4/20 17:10	89.3	↑4.6
4/20 17:20	93.8	↑4.5
4/20 17:30	98.2	↑4.4
4/20 17:40	102.4	↑4.2
4/20 17:50	106.6	↑4.2
4/20 18:00	110.6	↑4.0
4/20 18:10	114.4	↑3.8
4/20 18:20	118.0	↑3.6
4/20 18:30	121.3	↑3.3
4/20 18:40	124.4	↑3.1
4/20 18:50	127.2	↑2.8
4/20 19:00	129.8	↑2.6
4/20 19:10	132.0	↑2.2
4/20 19:20	134.0	↑2.0
4/20 19:30	135.6	↑1.6
4/20 19:40	136.9	↑1.3
4/20 19:50	138.0	↑1.1
4/20 20:00	138.7	↑0.7
4/20 20:10	139.2	↑0.5
4/20 20:20	139.3	↑0.1	満潮
4/20 20:30	139.2	↓-0.1
4/20 20:40	138.8	↓-0.4
4/20 20:50	138.2	↓-0.6
4/20 21:00	137.3	↓-0.9
4/20 21:10	136.2	↓-1.1
4/20 21:20	134.9	↓-1.3
4/20 21:30	133.5	↓-1.4
4/20 21:40	131.8	↓-1.7
4/20 21:50	130.1	↓-1.7
4/20 22:00	128.2	↓-1.9
4/20 22:10	126.1	↓-2.1
4/20 22:20	124.1	↓-2.0
4/20 22:30	121.9	↓-2.2
4/20 22:40	119.7	↓-2.2
4/20 22:50	117.5	↓-2.2
4/20 23:00	115.3	↓-2.2
4/20 23:10	113.1	↓-2.2
4/20 23:20	110.9	↓-2.2
4/20 23:30	108.8	↓-2.1
4/20 23:40	106.8	↓-2.0
4/20 23:50	104.9	↓-1.9