20 (木)	05:49	11:07	16:44	23:28
	191cm	68cm	200cm	-19cm
大潮 出 06:19 入 17:25 出 06:28 入 17:14

千葉灯標（千葉）2042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	-2.1	↑3.9
2/20 00:10	2.4	↑4.5
2/20 00:20	7.4	↑5.0
2/20 00:30	12.8	↑5.4
2/20 00:40	18.6	↑5.8
2/20 00:50	24.8	↑6.2
2/20 01:00	31.2	↑6.4
2/20 01:10	38.0	↑6.8
2/20 01:20	45.0	↑7.0
2/20 01:30	52.1	↑7.1
2/20 01:40	59.5	↑7.4
2/20 01:50	67.0	↑7.5
2/20 02:00	74.5	↑7.5
2/20 02:10	82.1	↑7.6
2/20 02:20	89.7	↑7.6
2/20 02:30	97.3	↑7.6
2/20 02:40	104.8	↑7.5
2/20 02:50	112.2	↑7.4
2/20 03:00	119.5	↑7.3
2/20 03:10	126.7	↑7.2
2/20 03:20	133.6	↑6.9
2/20 03:30	140.3	↑6.7
2/20 03:40	146.7	↑6.4
2/20 03:50	152.8	↑6.1
2/20 04:00	158.6	↑5.8
2/20 04:10	164.0	↑5.4
2/20 04:20	168.9	↑4.9
2/20 04:30	173.5	↑4.6
2/20 04:40	177.5	↑4.0
2/20 04:50	181.0	↑3.5
2/20 05:00	184.1	↑3.1
2/20 05:10	186.5	↑2.4
2/20 05:20	188.5	↑2.0
2/20 05:30	189.8	↑1.3
2/20 05:40	190.6	↑0.8	満潮
2/20 05:50	190.7	↑0.1
2/20 06:00	190.3	↓-0.4
2/20 06:10	189.4	↓-0.9
2/20 06:20	187.8	↓-1.6
2/20 06:30	185.7	↓-2.1
2/20 06:40	183.0	↓-2.7
2/20 06:50	179.9	↓-3.1
2/20 07:00	176.3	↓-3.6
2/20 07:10	172.2	↓-4.1
2/20 07:20	167.7	↓-4.5
2/20 07:30	162.8	↓-4.9
2/20 07:40	157.7	↓-5.1
2/20 07:50	152.2	↓-5.5
2/20 08:00	146.5	↓-5.7
2/20 08:10	140.7	↓-5.8
2/20 08:20	134.7	↓-6.0
2/20 08:30	128.6	↓-6.1
2/20 08:40	122.6	↓-6.0
2/20 08:50	116.6	↓-6.0
2/20 09:00	110.7	↓-5.9
2/20 09:10	105.0	↓-5.7
2/20 09:20	99.5	↓-5.5
2/20 09:30	94.3	↓-5.2
2/20 09:40	89.4	↓-4.9
2/20 09:50	84.9	↓-4.5
2/20 10:00	80.9	↓-4.0
2/20 10:10	77.3	↓-3.6
2/20 10:20	74.3	↓-3.0
2/20 10:30	71.8	↓-2.5
2/20 10:40	69.9	↓-1.9
2/20 10:50	68.6	↓-1.3
2/20 11:00	67.9	↓-0.7	干潮
2/20 11:10	67.8	↓-0.1
2/20 11:20	68.4	↑0.6
2/20 11:30	69.6	↑1.2
2/20 11:40	71.3	↑1.7
2/20 11:50	73.7	↑2.4
2/20 12:00	76.6	↑2.9
2/20 12:10	80.0	↑3.4
2/20 12:20	83.9	↑3.9
2/20 12:30	88.2	↑4.3
2/20 12:40	93.0	↑4.8
2/20 12:50	98.1	↑5.1
2/20 13:00	103.4	↑5.3
2/20 13:10	109.1	↑5.7
2/20 13:20	114.9	↑5.8
2/20 13:30	120.8	↑5.9
2/20 13:40	126.9	↑6.1
2/20 13:50	132.9	↑6.0
2/20 14:00	139.0	↑6.1
2/20 14:10	145.0	↑6.0
2/20 14:20	150.9	↑5.9
2/20 14:30	156.6	↑5.7
2/20 14:40	162.1	↑5.5
2/20 14:50	167.4	↑5.3
2/20 15:00	172.4	↑5.0
2/20 15:10	177.0	↑4.6
2/20 15:20	181.4	↑4.4
2/20 15:30	185.3	↑3.9
2/20 15:40	188.8	↑3.5
2/20 15:50	191.9	↑3.1
2/20 16:00	194.5	↑2.6
2/20 16:10	196.5	↑2.0
2/20 16:20	198.1	↑1.6
2/20 16:30	199.1	↑1.0
2/20 16:40	199.6	↑0.5	満潮
2/20 16:50	199.5	↓-0.1
2/20 17:00	198.8	↓-0.7
2/20 17:10	197.5	↓-1.3
2/20 17:20	195.6	↓-1.9
2/20 17:30	193.1	↓-2.5
2/20 17:40	190.0	↓-3.1
2/20 17:50	186.4	↓-3.6
2/20 18:00	182.2	↓-4.2
2/20 18:10	177.5	↓-4.7
2/20 18:20	172.2	↓-5.3
2/20 18:30	166.4	↓-5.8
2/20 18:40	160.2	↓-6.2
2/20 18:50	153.6	↓-6.6
2/20 19:00	146.5	↓-7.1
2/20 19:10	139.1	↓-7.4
2/20 19:20	131.4	↓-7.7
2/20 19:30	123.5	↓-7.9
2/20 19:40	115.3	↓-8.2
2/20 19:50	106.9	↓-8.4
2/20 20:00	98.5	↓-8.4
2/20 20:10	89.9	↓-8.6	最大潮位差
2/20 20:20	81.4	↓-8.5
2/20 20:30	72.9	↓-8.5
2/20 20:40	64.5	↓-8.4
2/20 20:50	56.2	↓-8.3
2/20 21:00	48.1	↓-8.1
2/20 21:10	40.2	↓-7.9
2/20 21:20	32.7	↓-7.5
2/20 21:30	25.5	↓-7.2
2/20 21:40	18.7	↓-6.8
2/20 21:50	12.4	↓-6.3
2/20 22:00	6.5	↓-5.9
2/20 22:10	1.2	↓-5.3
2/20 22:20	-3.6	↓-4.8
2/20 22:30	-7.8	↓-4.2
2/20 22:40	-11.3	↓-3.5
2/20 22:50	-14.2	↓-2.9
2/20 23:00	-16.5	↓-2.3
2/20 23:10	-18.0	↓-1.5
2/20 23:20	-18.8	↓-0.8	干潮
2/20 23:30	-19.0	↓-0.2
2/20 23:40	-18.4	↑0.6
2/20 23:50	-17.2	↑1.2