20 (土)	05:32	12:06	19:07	-
	200cm	-14cm	191cm	-
中潮 出 04:59 入 18:15 出 20:58 入 06:07 潮干狩り ◎ 09:47～14:30

千葉灯標（千葉）2030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	63.9	0
4/20 00:10	64.6	↑0.7
4/20 00:20	65.9	↑1.3
4/20 00:30	67.8	↑1.9
4/20 00:40	70.3	↑2.5
4/20 00:50	73.4	↑3.1
4/20 01:00	76.9	↑3.5
4/20 01:10	81.0	↑4.1
4/20 01:20	85.5	↑4.5
4/20 01:30	90.4	↑4.9
4/20 01:40	95.6	↑5.2
4/20 01:50	101.2	↑5.6
4/20 02:00	107.0	↑5.8
4/20 02:10	113.0	↑6.0
4/20 02:20	119.2	↑6.2
4/20 02:30	125.4	↑6.2
4/20 02:40	131.6	↑6.2
4/20 02:50	137.9	↑6.3
4/20 03:00	144.1	↑6.2
4/20 03:10	150.1	↑6.0
4/20 03:20	156.0	↑5.9
4/20 03:30	161.7	↑5.7
4/20 03:40	167.1	↑5.4
4/20 03:50	172.2	↑5.1
4/20 04:00	177.0	↑4.8
4/20 04:10	181.4	↑4.4
4/20 04:20	185.4	↑4.0
4/20 04:30	188.9	↑3.5
4/20 04:40	192.0	↑3.1
4/20 04:50	194.6	↑2.6
4/20 05:00	196.7	↑2.1
4/20 05:10	198.2	↑1.5
4/20 05:20	199.1	↑0.9
4/20 05:30	199.4	↑0.3	満潮
4/20 05:40	199.2	↓-0.2
4/20 05:50	198.3	↓-0.9
4/20 06:00	196.8	↓-1.5
4/20 06:10	194.7	↓-2.1
4/20 06:20	192.0	↓-2.7
4/20 06:30	188.7	↓-3.3
4/20 06:40	184.8	↓-3.9
4/20 06:50	180.3	↓-4.5
4/20 07:00	175.2	↓-5.1
4/20 07:10	169.6	↓-5.6
4/20 07:20	163.5	↓-6.1
4/20 07:30	156.9	↓-6.6
4/20 07:40	149.9	↓-7.0
4/20 07:50	142.6	↓-7.3
4/20 08:00	134.9	↓-7.7
4/20 08:10	126.9	↓-8.0
4/20 08:20	118.6	↓-8.3
4/20 08:30	110.2	↓-8.4
4/20 08:40	101.7	↓-8.5
4/20 08:50	93.1	↓-8.6	最大潮位差
4/20 09:00	84.5	↓-8.6	最大潮位差
4/20 09:10	75.9	↓-8.6	最大潮位差
4/20 09:20	67.4	↓-8.5
4/20 09:30	59.1	↓-8.3
4/20 09:40	51.0	↓-8.1
4/20 09:50	43.2	↓-7.8
4/20 10:00	35.7	↓-7.5
4/20 10:10	28.6	↓-7.1
4/20 10:20	21.9	↓-6.7
4/20 10:30	15.6	↓-6.3
4/20 10:40	9.9	↓-5.7
4/20 10:50	4.7	↓-5.2
4/20 11:00	0.0	↓-4.7
4/20 11:10	-4.0	0
4/20 11:20	-7.3	↓-3.3
4/20 11:30	-10.1	↓-2.8
4/20 11:40	-12.1	↓-2.0
4/20 11:50	-13.5	↓-1.4
4/20 12:00	-14.1	↓-0.6	干潮
4/20 12:10	-14.1	0
4/20 12:20	-13.4	↑0.7
4/20 12:30	-12.0	↑1.4
4/20 12:40	-9.9	↑2.1
4/20 12:50	-7.3	↑2.6
4/20 13:00	-4.0	↑3.3
4/20 13:10	-0.1	↑3.9
4/20 13:20	4.3	↑4.4
4/20 13:30	9.2	↑4.9
4/20 13:40	14.6	↑5.4
4/20 13:50	20.4	↑5.8
4/20 14:00	26.6	↑6.2
4/20 14:10	33.1	↑6.5
4/20 14:20	39.8	↑6.7
4/20 14:30	46.8	↑7.0
4/20 14:40	54.0	↑7.2
4/20 14:50	61.3	↑7.3
4/20 15:00	68.6	↑7.3
4/20 15:10	76.1	↑7.5
4/20 15:20	83.6	↑7.5
4/20 15:30	91.0	↑7.4
4/20 15:40	98.4	↑7.4
4/20 15:50	105.7	↑7.3
4/20 16:00	112.8	↑7.1
4/20 16:10	119.8	↑7.0
4/20 16:20	126.7	↑6.9
4/20 16:30	133.3	↑6.6
4/20 16:40	139.6	↑6.3
4/20 16:50	145.7	↑6.1
4/20 17:00	151.6	↑5.9
4/20 17:10	157.1	↑5.5
4/20 17:20	162.2	↑5.1
4/20 17:30	167.0	↑4.8
4/20 17:40	171.4	↑4.4
4/20 17:50	175.4	↑4.0
4/20 18:00	178.9	↑3.5
4/20 18:10	182.0	↑3.1
4/20 18:20	184.6	↑2.6
4/20 18:30	186.7	↑2.1
4/20 18:40	188.4	↑1.7
4/20 18:50	189.5	↑1.1
4/20 19:00	190.1	↑0.6	満潮
4/20 19:10	190.1	0
4/20 19:20	189.7	↓-0.4
4/20 19:30	188.7	↓-1.0
4/20 19:40	187.2	↓-1.5
4/20 19:50	185.3	↓-1.9
4/20 20:00	182.9	↓-2.4
4/20 20:10	180.0	↓-2.9
4/20 20:20	176.7	↓-3.3
4/20 20:30	173.0	↓-3.7
4/20 20:40	168.9	↓-4.1
4/20 20:50	164.5	↓-4.4
4/20 21:00	159.8	↓-4.7
4/20 21:10	154.9	↓-4.9
4/20 21:20	149.8	↓-5.1
4/20 21:30	144.5	↓-5.3
4/20 21:40	139.0	↓-5.5
4/20 21:50	133.6	↓-5.4
4/20 22:00	128.1	↓-5.5
4/20 22:10	122.6	↓-5.5
4/20 22:20	117.3	↓-5.3
4/20 22:30	112.0	↓-5.3
4/20 22:40	107.0	↓-5.0
4/20 22:50	102.1	↓-4.9
4/20 23:00	97.6	↓-4.5
4/20 23:10	93.4	↓-4.2
4/20 23:20	89.5	↓-3.9
4/20 23:30	86.1	↓-3.4
4/20 23:40	83.1	↓-3.0
4/20 23:50	80.6	↓-2.5