20 (土)	06:15	11:35	17:40	23:55
	197cm	57cm	196cm	-14cm
大潮 出 06:21 入 17:27 出 18:07 入 06:48

寒川（千葉）2038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	-8.9	↑2.9
2/20 00:10	-5.4	↑3.5
2/20 00:20	-1.3	↑4.1
2/20 00:30	3.5	↑4.8
2/20 00:40	8.7	↑5.2
2/20 00:50	14.4	↑5.7
2/20 01:00	20.5	↑6.1
2/20 01:10	27.0	↑6.5
2/20 01:20	33.8	↑6.8
2/20 01:30	40.9	↑7.1
2/20 01:40	48.2	↑7.3
2/20 01:50	55.7	↑7.5
2/20 02:00	63.2	↑7.5
2/20 02:10	70.9	↑7.7
2/20 02:20	78.6	↑7.7
2/20 02:30	86.3	↑7.7
2/20 02:40	94.0	↑7.7
2/20 02:50	101.6	↑7.6
2/20 03:00	109.0	↑7.4
2/20 03:10	116.4	↑7.4
2/20 03:20	123.6	↑7.2
2/20 03:30	130.6	↑7.0
2/20 03:40	137.4	↑6.8
2/20 03:50	144.0	↑6.6
2/20 04:00	150.3	↑6.3
2/20 04:10	156.3	↑6.0
2/20 04:20	162.0	↑5.7
2/20 04:30	167.3	↑5.3
2/20 04:40	172.3	↑5.0
2/20 04:50	176.9	↑4.6
2/20 05:00	181.1	↑4.2
2/20 05:10	184.8	↑3.7
2/20 05:20	188.1	↑3.3
2/20 05:30	190.8	↑2.7
2/20 05:40	193.1	↑2.3
2/20 05:50	194.7	↑1.6
2/20 06:00	195.9	↑1.2
2/20 06:10	196.4	↑0.5	満潮
2/20 06:20	196.3	↓-0.1
2/20 06:30	195.7	↓-0.6
2/20 06:40	194.4	↓-1.3
2/20 06:50	192.5	↓-1.9
2/20 07:00	190.0	↓-2.5
2/20 07:10	186.9	↓-3.1
2/20 07:20	183.2	↓-3.7
2/20 07:30	179.0	↓-4.2
2/20 07:40	174.3	↓-4.7
2/20 07:50	169.1	↓-5.2
2/20 08:00	163.4	↓-5.7
2/20 08:10	157.4	↓-6.0
2/20 08:20	151.1	↓-6.3
2/20 08:30	144.5	↓-6.6
2/20 08:40	137.6	↓-6.9
2/20 08:50	130.7	↓-6.9
2/20 09:00	123.7	↓-7.0
2/20 09:10	116.7	↓-7.0
2/20 09:20	109.8	↓-6.9
2/20 09:30	103.1	↓-6.7
2/20 09:40	96.6	↓-6.5
2/20 09:50	90.4	↓-6.2
2/20 10:00	84.6	↓-5.8
2/20 10:10	79.2	↓-5.4
2/20 10:20	74.3	↓-4.9
2/20 10:30	69.9	↓-4.4
2/20 10:40	66.1	↓-3.8
2/20 10:50	62.9	↓-3.2
2/20 11:00	60.3	↓-2.6
2/20 11:10	58.4	↓-1.9
2/20 11:20	57.1	↓-1.3
2/20 11:30	56.5	↓-0.6	干潮
2/20 11:40	56.6	↑0.1
2/20 11:50	57.3	↑0.7
2/20 12:00	58.6	↑1.3
2/20 12:10	60.6	↑2.0
2/20 12:20	63.1	↑2.5
2/20 12:30	66.1	↑3.0
2/20 12:40	69.7	↑3.6
2/20 12:50	73.7	↑4.0
2/20 13:00	78.1	↑4.4
2/20 13:10	82.8	↑4.7
2/20 13:20	87.9	↑5.1
2/20 13:30	93.2	↑5.3
2/20 13:40	98.7	↑5.5
2/20 13:50	104.3	↑5.6
2/20 14:00	110.1	↑5.8
2/20 14:10	116.0	↑5.9
2/20 14:20	121.8	↑5.8
2/20 14:30	127.7	↑5.9
2/20 14:40	133.5	↑5.8
2/20 14:50	139.2	↑5.7
2/20 15:00	144.7	↑5.5
2/20 15:10	150.2	↑5.5
2/20 15:20	155.4	↑5.2
2/20 15:30	160.4	↑5.0
2/20 15:40	165.2	↑4.8
2/20 15:50	169.7	↑4.5
2/20 16:00	174.0	↑4.3
2/20 16:10	177.9	↑3.9
2/20 16:20	181.6	↑3.7
2/20 16:30	184.8	↑3.2
2/20 16:40	187.7	↑2.9
2/20 16:50	190.2	↑2.5
2/20 17:00	192.3	↑2.1
2/20 17:10	193.9	↑1.6
2/20 17:20	195.1	↑1.2
2/20 17:30	195.8	↑0.7	満潮
2/20 17:40	196.0	↑0.2	満潮
2/20 17:50	195.6	↓-0.4
2/20 18:00	194.7	↓-0.9
2/20 18:10	193.3	↓-1.4
2/20 18:20	191.2	↓-2.1
2/20 18:30	188.6	↓-2.6
2/20 18:40	185.4	↓-3.2
2/20 18:50	181.6	↓-3.8
2/20 19:00	177.2	↓-4.4
2/20 19:10	172.2	↓-5.0
2/20 19:20	166.7	↓-5.5
2/20 19:30	160.5	↓-6.2
2/20 19:40	153.9	↓-6.6
2/20 19:50	146.8	↓-7.1
2/20 20:00	139.2	↓-7.6
2/20 20:10	131.2	↓-8.0
2/20 20:20	122.9	↓-8.3
2/20 20:30	114.3	↓-8.6
2/20 20:40	105.4	↓-8.9
2/20 20:50	96.4	↓-9.0
2/20 21:00	87.3	↓-9.1
2/20 21:10	78.1	↓-9.2	最大潮位差
2/20 21:20	69.0	↓-9.1
2/20 21:30	60.1	↓-8.9
2/20 21:40	51.4	↓-8.7
2/20 21:50	42.9	↓-8.5
2/20 22:00	34.8	↓-8.1
2/20 22:10	27.2	↓-7.6
2/20 22:20	20.0	↓-7.2
2/20 22:30	13.4	↓-6.6
2/20 22:40	7.5	↓-5.9
2/20 22:50	2.1	↓-5.4
2/20 23:00	-2.5	↓-4.6
2/20 23:10	-6.3	↓-3.8
2/20 23:20	-9.5	↓-3.2
2/20 23:30	-11.8	↓-2.3
2/20 23:40	-13.3	↓-1.5
2/20 23:50	-14.1	↓-0.8	干潮