20 (木)	04:00	10:33	17:12	22:50
	208cm	25cm	211cm	62cm
大潮 出 05:24 入 17:38 出 17:41 入 04:20 潮干狩り ○ 09:06～11:59

千葉灯標（千葉）2040年09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
9/20 00:00	109.7	↑4.8
9/20 00:10	114.7	↑5.0
9/20 00:20	119.9	↑5.2
9/20 00:30	125.3	↑5.4
9/20 00:40	130.9	↑5.6
9/20 00:50	136.5	↑5.6
9/20 01:00	142.2	↑5.7
9/20 01:10	147.8	↑5.6
9/20 01:20	153.4	↑5.6
9/20 01:30	158.9	↑5.5
9/20 01:40	164.3	↑5.4
9/20 01:50	169.5	↑5.2
9/20 02:00	174.5	↑5.0
9/20 02:10	179.3	↑4.8
9/20 02:20	183.8	↑4.5
9/20 02:30	187.9	↑4.1
9/20 02:40	191.8	↑3.9
9/20 02:50	195.2	↑3.4
9/20 03:00	198.3	↑3.1
9/20 03:10	201.0	↑2.7
9/20 03:20	203.2	↑2.2
9/20 03:30	204.9	↑1.7
9/20 03:40	206.1	↑1.2
9/20 03:50	206.9	↑0.8	満潮
9/20 04:00	207.1	↑0.2	満潮
9/20 04:10	206.8	↓-0.3
9/20 04:20	206.0	↓-0.8
9/20 04:30	204.7	↓-1.3
9/20 04:40	202.8	↓-1.9
9/20 04:50	200.4	↓-2.4
9/20 05:00	197.5	↓-2.9
9/20 05:10	194.1	↓-3.4
9/20 05:20	190.2	↓-3.9
9/20 05:30	185.8	↓-4.4
9/20 05:40	181.0	↓-4.8
9/20 05:50	175.8	↓-5.2
9/20 06:00	170.2	↓-5.6
9/20 06:10	164.2	↓-6.0
9/20 06:20	157.9	↓-6.3
9/20 06:30	151.4	↓-6.5
9/20 06:40	144.6	↓-6.8
9/20 06:50	137.6	↓-7.0
9/20 07:00	130.4	↓-7.2
9/20 07:10	123.2	↓-7.2
9/20 07:20	115.8	↓-7.4	最大潮位差
9/20 07:30	108.5	↓-7.3
9/20 07:40	101.2	↓-7.3
9/20 07:50	93.9	↓-7.3
9/20 08:00	86.8	↓-7.1
9/20 08:10	79.8	↓-7.0
9/20 08:20	73.1	↓-6.7
9/20 08:30	66.6	↓-6.5
9/20 08:40	60.5	↓-6.1
9/20 08:50	54.7	↓-5.8
9/20 09:00	49.3	↓-5.4
9/20 09:10	44.3	↓-5.0
9/20 09:20	39.8	↓-4.5
9/20 09:30	35.9	↓-3.9
9/20 09:40	32.5	↓-3.4
9/20 09:50	29.6	↓-2.9
9/20 10:00	27.4	↓-2.2
9/20 10:10	25.7	↓-1.7
9/20 10:20	24.7	↓-1.0
9/20 10:30	24.3	↓-0.4	干潮
9/20 10:40	24.5	↑0.2
9/20 10:50	25.3	↑0.8
9/20 11:00	26.7	↑1.4
9/20 11:10	28.7	↑2.0
9/20 11:20	31.3	↑2.6
9/20 11:30	34.5	↑3.2
9/20 11:40	38.1	↑3.6
9/20 11:50	42.3	↑4.2
9/20 12:00	46.9	↑4.6
9/20 12:10	51.9	↑5.0
9/20 12:20	57.3	↑5.4
9/20 12:30	63.0	↑5.7
9/20 12:40	69.1	↑6.1
9/20 12:50	75.4	↑6.3
9/20 13:00	81.9	↑6.5
9/20 13:10	88.7	↑6.8
9/20 13:20	95.5	↑6.8
9/20 13:30	102.5	↑7.0
9/20 13:40	109.6	↑7.1
9/20 13:50	116.7	↑7.1
9/20 14:00	123.9	↑7.2
9/20 14:10	130.9	↑7.0
9/20 14:20	137.9	↑7.0
9/20 14:30	144.8	↑6.9
9/20 14:40	151.6	↑6.8
9/20 14:50	158.1	↑6.5
9/20 15:00	164.5	↑6.4
9/20 15:10	170.5	↑6.0
9/20 15:20	176.3	↑5.8
9/20 15:30	181.7	↑5.4
9/20 15:40	186.8	↑5.1
9/20 15:50	191.4	↑4.6
9/20 16:00	195.7	↑4.3
9/20 16:10	199.4	↑3.7
9/20 16:20	202.6	↑3.2
9/20 16:30	205.3	↑2.7
9/20 16:40	207.4	↑2.1
9/20 16:50	209.0	↑1.6
9/20 17:00	210.0	↑1.0
9/20 17:10	210.4	↑0.4	満潮
9/20 17:20	210.2	↓-0.2
9/20 17:30	209.4	↓-0.8
9/20 17:40	208.0	↓-1.4
9/20 17:50	205.9	↓-2.1
9/20 18:00	203.4	↓-2.5
9/20 18:10	200.2	↓-3.2
9/20 18:20	196.5	↓-3.7
9/20 18:30	192.3	↓-4.2
9/20 18:40	187.7	↓-4.6
9/20 18:50	182.6	↓-5.1
9/20 19:00	177.0	↓-5.6
9/20 19:10	171.2	↓-5.8
9/20 19:20	165.0	↓-6.2
9/20 19:30	158.5	↓-6.5
9/20 19:40	151.9	↓-6.6
9/20 19:50	145.1	↓-6.8
9/20 20:00	138.2	↓-6.9
9/20 20:10	131.2	↓-7.0
9/20 20:20	124.3	↓-6.9
9/20 20:30	117.5	↓-6.8
9/20 20:40	110.8	↓-6.7
9/20 20:50	104.4	↓-6.4
9/20 21:00	98.2	↓-6.2
9/20 21:10	92.3	↓-5.9
9/20 21:20	86.8	↓-5.5
9/20 21:30	81.8	↓-5.0
9/20 21:40	77.2	↓-4.6
9/20 21:50	73.2	↓-4.0
9/20 22:00	69.7	↓-3.5
9/20 22:10	66.9	↓-2.8
9/20 22:20	64.6	↓-2.3
9/20 22:30	63.1	↓-1.5
9/20 22:40	62.2	↓-0.9	干潮
9/20 22:50	61.9	↓-0.3	干潮
9/20 23:00	62.3	↑0.4
9/20 23:10	63.4	↑1.1
9/20 23:20	65.1	↑1.7
9/20 23:30	67.5	↑2.4
9/20 23:40	70.4	↑2.9
9/20 23:50	73.9	↑3.5