20 (日)	04:13	09:16	14:31	21:36
	167cm	107cm	166cm	8cm
中潮 出 06:19 入 17:25 出 04:18 入 14:13

千葉灯標（千葉）2039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	82.8	↑5.0
2/20 00:10	87.7	↑4.9
2/20 00:20	92.7	↑5.0
2/20 00:30	97.7	↑5.0
2/20 00:40	102.7	↑5.0
2/20 00:50	107.6	↑4.9
2/20 01:00	112.4	↑4.8
2/20 01:10	117.2	↑4.8
2/20 01:20	121.8	↑4.6
2/20 01:30	126.3	↑4.5
2/20 01:40	130.6	↑4.3
2/20 01:50	134.8	↑4.2
2/20 02:00	138.8	↑4.0
2/20 02:10	142.6	↑3.8
2/20 02:20	146.1	↑3.5
2/20 02:30	149.4	↑3.3
2/20 02:40	152.4	↑3.0
2/20 02:50	155.2	↑2.8
2/20 03:00	157.7	↑2.5
2/20 03:10	159.9	↑2.2
2/20 03:20	161.7	↑1.8
2/20 03:30	163.3	↑1.6
2/20 03:40	164.5	↑1.2
2/20 03:50	165.4	↑0.9
2/20 04:00	166.0	↑0.6
2/20 04:10	166.2	↑0.2	満潮
2/20 04:20	166.1	↓-0.1
2/20 04:30	165.7	↓-0.4
2/20 04:40	165.0	↓-0.7
2/20 04:50	164.0	↓-1.0
2/20 05:00	162.7	↓-1.3
2/20 05:10	161.1	↓-1.6
2/20 05:20	159.3	↓-1.8
2/20 05:30	157.2	↓-2.1
2/20 05:40	154.9	↓-2.3
2/20 05:50	152.4	↓-2.5
2/20 06:00	149.7	↓-2.7
2/20 06:10	146.9	↓-2.8
2/20 06:20	144.0	↓-2.9
2/20 06:30	141.0	↓-3.0
2/20 06:40	137.9	↓-3.1
2/20 06:50	134.8	↓-3.1
2/20 07:00	131.7	↓-3.1
2/20 07:10	128.6	↓-3.1
2/20 07:20	125.7	↓-2.9
2/20 07:30	122.8	↓-2.9
2/20 07:40	120.1	↓-2.7
2/20 07:50	117.5	↓-2.6
2/20 08:00	115.2	↓-2.3
2/20 08:10	113.0	↓-2.2
2/20 08:20	111.2	↓-1.8
2/20 08:30	109.6	↓-1.6
2/20 08:40	108.3	↓-1.3
2/20 08:50	107.3	↓-1.0
2/20 09:00	106.7	↓-0.6
2/20 09:10	106.3	↓-0.4	干潮
2/20 09:20	106.3	0
2/20 09:30	106.6	↑0.3
2/20 09:40	107.3	↑0.7
2/20 09:50	108.2	↑0.9
2/20 10:00	109.5	↑1.3
2/20 10:10	111.0	↑1.5
2/20 10:20	112.7	↑1.7
2/20 10:30	114.8	↑2.1
2/20 10:40	117.0	↑2.2
2/20 10:50	119.4	↑2.4
2/20 11:00	121.9	↑2.5
2/20 11:10	124.6	↑2.7
2/20 11:20	127.4	↑2.8
2/20 11:30	130.2	↑2.8
2/20 11:40	133.1	↑2.9
2/20 11:50	136.0	↑2.9
2/20 12:00	138.9	↑2.9
2/20 12:10	141.8	↑2.9
2/20 12:20	144.6	↑2.8
2/20 12:30	147.3	↑2.7
2/20 12:40	149.9	↑2.6
2/20 12:50	152.4	↑2.5
2/20 13:00	154.7	↑2.3
2/20 13:10	156.9	↑2.2
2/20 13:20	158.8	↑1.9
2/20 13:30	160.6	↑1.8
2/20 13:40	162.1	↑1.5
2/20 13:50	163.4	↑1.3
2/20 14:00	164.4	↑1.0
2/20 14:10	165.2	↑0.8
2/20 14:20	165.6	↑0.4
2/20 14:30	165.8	↑0.2	満潮
2/20 14:40	165.6	↓-0.2
2/20 14:50	165.1	↓-0.5
2/20 15:00	164.3	↓-0.8
2/20 15:10	163.1	↓-1.2
2/20 15:20	161.6	↓-1.5
2/20 15:30	159.7	↓-1.9
2/20 15:40	157.5	↓-2.2
2/20 15:50	155.0	↓-2.5
2/20 16:00	152.1	↓-2.9
2/20 16:10	148.8	↓-3.3
2/20 16:20	145.3	↓-3.5
2/20 16:30	141.4	↓-3.9
2/20 16:40	137.2	↓-4.2
2/20 16:50	132.8	↓-4.4
2/20 17:00	128.1	↓-4.7
2/20 17:10	123.1	↓-5.0
2/20 17:20	117.9	↓-5.2
2/20 17:30	112.6	↓-5.3
2/20 17:40	107.0	↓-5.6
2/20 17:50	101.4	↓-5.6
2/20 18:00	95.6	↓-5.8
2/20 18:10	89.7	↓-5.9
2/20 18:20	83.8	↓-5.9
2/20 18:30	77.8	↓-6.0	最大潮位差
2/20 18:40	71.9	↓-5.9
2/20 18:50	66.0	↓-5.9
2/20 19:00	60.2	↓-5.8
2/20 19:10	54.6	↓-5.6
2/20 19:20	49.1	↓-5.5
2/20 19:30	43.8	↓-5.3
2/20 19:40	38.8	↓-5.0
2/20 19:50	34.0	↓-4.8
2/20 20:00	29.6	↓-4.4
2/20 20:10	25.5	↓-4.1
2/20 20:20	21.7	↓-3.8
2/20 20:30	18.4	↓-3.3
2/20 20:40	15.5	↓-2.9
2/20 20:50	13.1	↓-2.4
2/20 21:00	11.1	↓-2.0
2/20 21:10	9.6	↓-1.5
2/20 21:20	8.6	↓-1.0
2/20 21:30	8.1	↓-0.5	干潮
2/20 21:40	8.0	↓-0.1
2/20 21:50	8.5	↑0.5
2/20 22:00	9.5	↑1.0
2/20 22:10	10.9	↑1.4
2/20 22:20	12.9	↑2.0
2/20 22:30	15.2	↑2.3
2/20 22:40	18.0	↑2.8
2/20 22:50	21.2	↑3.2
2/20 23:00	24.7	↑3.5
2/20 23:10	28.7	↑4.0
2/20 23:20	32.9	↑4.2
2/20 23:30	37.4	↑4.5
2/20 23:40	42.2	↑4.8
2/20 23:50	47.3	↑5.1