21 (火)	03:47	09:28	15:53	21:34
	175cm	54cm	169cm	43cm
中潮 出 05:00 入 18:17 出 15:32 入 03:29

寒川（千葉）2043年04月21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
4/21 00:00	102.5	↑4.9
4/21 00:10	107.4	↑4.9
4/21 00:20	112.2	↑4.8
4/21 00:30	117.0	↑4.8
4/21 00:40	121.7	↑4.7
4/21 00:50	126.3	↑4.6
4/21 01:00	130.8	↑4.5
4/21 01:10	135.1	↑4.3
4/21 01:20	139.3	↑4.2
4/21 01:30	143.4	↑4.1
4/21 01:40	147.3	↑3.9
4/21 01:50	151.0	↑3.7
4/21 02:00	154.4	↑3.4
4/21 02:10	157.7	↑3.3
4/21 02:20	160.7	↑3.0
4/21 02:30	163.5	↑2.8
4/21 02:40	165.9	↑2.4
4/21 02:50	168.1	↑2.2
4/21 03:00	170.0	↑1.9
4/21 03:10	171.6	↑1.6
4/21 03:20	172.8	↑1.2
4/21 03:30	173.6	↑0.8
4/21 03:40	174.0	↑0.4	満潮
4/21 03:50	174.1	↑0.1
4/21 04:00	173.7	↓-0.4
4/21 04:10	172.9	↓-0.8
4/21 04:20	171.7	↓-1.2
4/21 04:30	170.0	↓-1.7
4/21 04:40	167.9	↓-2.1
4/21 04:50	165.4	↓-2.5
4/21 05:00	162.4	↓-3.0
4/21 05:10	159.0	↓-3.4
4/21 05:20	155.2	↓-3.8
4/21 05:30	151.1	↓-4.1
4/21 05:40	146.6	↓-4.5
4/21 05:50	141.8	↓-4.8
4/21 06:00	136.7	↓-5.1
4/21 06:10	131.5	↓-5.2
4/21 06:20	126.0	↓-5.5
4/21 06:30	120.4	↓-5.6
4/21 06:40	114.7	↓-5.7
4/21 06:50	109.0	↓-5.7
4/21 07:00	103.3	↓-5.7
4/21 07:10	97.7	↓-5.6
4/21 07:20	92.2	↓-5.5
4/21 07:30	86.9	↓-5.3
4/21 07:40	81.9	↓-5.0
4/21 07:50	77.2	↓-4.7
4/21 08:00	72.8	↓-4.4
4/21 08:10	68.8	↓-4.0
4/21 08:20	65.2	↓-3.6
4/21 08:30	62.1	↓-3.1
4/21 08:40	59.5	↓-2.6
4/21 08:50	57.3	↓-2.2
4/21 09:00	55.7	↓-1.6
4/21 09:10	54.6	↓-1.1
4/21 09:20	54.0	↓-0.6	干潮
4/21 09:30	53.9	↓-0.1
4/21 09:40	54.3	↑0.4
4/21 09:50	55.2	↑0.9
4/21 10:00	56.5	↑1.3
4/21 10:10	58.4	↑1.9
4/21 10:20	60.6	↑2.2
4/21 10:30	63.2	↑2.6
4/21 10:40	66.1	↑2.9
4/21 10:50	69.4	↑3.3
4/21 11:00	73.0	↑3.6
4/21 11:10	76.7	↑3.7
4/21 11:20	80.7	↑4.0
4/21 11:30	84.9	↑4.2
4/21 11:40	89.2	↑4.3
4/21 11:50	93.6	↑4.4
4/21 12:00	98.0	↑4.4
4/21 12:10	102.5	↑4.5
4/21 12:20	107.0	↑4.5
4/21 12:30	111.5	↑4.5
4/21 12:40	116.0	↑4.5
4/21 12:50	120.3	↑4.3
4/21 13:00	124.6	↑4.3
4/21 13:10	128.8	↑4.2
4/21 13:20	132.9	↑4.1
4/21 13:30	136.8	↑3.9
4/21 13:40	140.6	↑3.8
4/21 13:50	144.3	↑3.7
4/21 14:00	147.7	↑3.4
4/21 14:10	150.9	↑3.2
4/21 14:20	154.0	↑3.1
4/21 14:30	156.8	↑2.8
4/21 14:40	159.3	↑2.5
4/21 14:50	161.6	↑2.3
4/21 15:00	163.6	↑2.0
4/21 15:10	165.3	↑1.7
4/21 15:20	166.6	↑1.3
4/21 15:30	167.6	↑1.0
4/21 15:40	168.3	↑0.7
4/21 15:50	168.6	↑0.3	満潮
4/21 16:00	168.4	↓-0.2
4/21 16:10	167.9	↓-0.5
4/21 16:20	166.9	↓-1.0
4/21 16:30	165.5	↓-1.4
4/21 16:40	163.7	↓-1.8
4/21 16:50	161.4	↓-2.3
4/21 17:00	158.7	↓-2.7
4/21 17:10	155.5	↓-3.2
4/21 17:20	151.9	↓-3.6
4/21 17:30	147.9	↓-4.0
4/21 17:40	143.6	↓-4.3
4/21 17:50	138.8	↓-4.8
4/21 18:00	133.8	↓-5.0
4/21 18:10	128.5	↓-5.3
4/21 18:20	122.9	↓-5.6
4/21 18:30	117.2	↓-5.7
4/21 18:40	111.3	↓-5.9
4/21 18:50	105.3	↓-6.0	最大潮位差
4/21 19:00	99.3	↓-6.0	最大潮位差
4/21 19:10	93.3	↓-6.0	最大潮位差
4/21 19:20	87.4	↓-5.9
4/21 19:30	81.7	↓-5.7
4/21 19:40	76.1	↓-5.6
4/21 19:50	70.9	↓-5.2
4/21 20:00	65.9	↓-5.0
4/21 20:10	61.3	↓-4.6
4/21 20:20	57.2	↓-4.1
4/21 20:30	53.4	↓-3.8
4/21 20:40	50.2	↓-3.2
4/21 20:50	47.5	↓-2.7
4/21 21:00	45.3	↓-2.2
4/21 21:10	43.7	↓-1.6
4/21 21:20	42.7	↓-1.0
4/21 21:30	42.3	↓-0.4	干潮
4/21 21:40	42.4	↑0.1
4/21 21:50	43.0	↑0.6
4/21 22:00	44.3	↑1.3
4/21 22:10	46.0	↑1.7
4/21 22:20	48.3	↑2.3
4/21 22:30	51.0	↑2.7
4/21 22:40	54.1	↑3.1
4/21 22:50	57.7	↑3.6
4/21 23:00	61.6	↑3.9
4/21 23:10	65.9	↑4.3
4/21 23:20	70.4	↑4.5
4/21 23:30	75.1	↑4.7
4/21 23:40	80.1	↑5.0
4/21 23:50	85.2	↑5.1