20 (日)	04:45	11:02	17:32	23:23
	191cm	6cm	202cm	53cm
大潮 出 05:03 入 18:19 出 05:00 入 18:34 潮干狩り ◎ 09:06～12:56

船橋（千葉）2042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	56.5	↑3.8
4/20 00:10	60.8	↑4.3
4/20 00:20	65.5	↑4.7
4/20 00:30	70.5	↑5.0
4/20 00:40	75.9	↑5.4
4/20 00:50	81.6	↑5.7
4/20 01:00	87.5	↑5.9
4/20 01:10	93.7	↑6.2
4/20 01:20	100.0	↑6.3
4/20 01:30	106.4	↑6.4
4/20 01:40	112.8	↑6.4
4/20 01:50	119.3	↑6.5
4/20 02:00	125.8	↑6.5
4/20 02:10	132.2	↑6.4
4/20 02:20	138.4	↑6.2
4/20 02:30	144.5	↑6.1
4/20 02:40	150.3	↑5.8
4/20 02:50	155.9	↑5.6
4/20 03:00	161.2	↑5.3
4/20 03:10	166.2	↑5.0
4/20 03:20	170.7	↑4.5
4/20 03:30	174.9	↑4.2
4/20 03:40	178.6	↑3.7
4/20 03:50	181.9	↑3.3
4/20 04:00	184.6	↑2.7
4/20 04:10	186.8	↑2.2
4/20 04:20	188.5	↑1.7
4/20 04:30	189.6	↑1.1
4/20 04:40	190.2	↑0.6	満潮
4/20 04:50	190.2	0
4/20 05:00	189.5	↓-0.7
4/20 05:10	188.3	↓-1.2
4/20 05:20	186.5	↓-1.8
4/20 05:30	184.1	↓-2.4
4/20 05:40	181.2	↓-2.9
4/20 05:50	177.7	↓-3.5
4/20 06:00	173.6	↓-4.1
4/20 06:10	169.1	↓-4.5
4/20 06:20	164.0	↓-5.1
4/20 06:30	158.5	↓-5.5
4/20 06:40	152.5	↓-6.0
4/20 06:50	146.2	↓-6.3
4/20 07:00	139.5	↓-6.7
4/20 07:10	132.5	↓-7.0
4/20 07:20	125.3	↓-7.2
4/20 07:30	117.8	↓-7.5
4/20 07:40	110.2	↓-7.6
4/20 07:50	102.5	↓-7.7
4/20 08:00	94.7	↓-7.8
4/20 08:10	86.9	↓-7.8
4/20 08:20	79.2	↓-7.7
4/20 08:30	71.7	↓-7.5
4/20 08:40	64.3	↓-7.4
4/20 08:50	57.1	↓-7.2
4/20 09:00	50.2	↓-6.9
4/20 09:10	43.7	↓-6.5
4/20 09:20	37.5	↓-6.2
4/20 09:30	31.8	↓-5.7
4/20 09:40	26.6	↓-5.2
4/20 09:50	21.8	↓-4.8
4/20 10:00	17.7	↓-4.1
4/20 10:10	14.1	↓-3.6
4/20 10:20	11.1	↓-3.0
4/20 10:30	8.7	↓-2.4
4/20 10:40	7.0	↓-1.7
4/20 10:50	6.0	↓-1.0
4/20 11:00	5.6	↓-0.4	干潮
4/20 11:10	5.9	↑0.3
4/20 11:20	6.9	↑1.0
4/20 11:30	8.5	↑1.6
4/20 11:40	10.7	↑2.2
4/20 11:50	13.6	↑2.9
4/20 12:00	17.1	↑3.5
4/20 12:10	21.2	↑4.1
4/20 12:20	25.8	↑4.6
4/20 12:30	31.0	↑5.2
4/20 12:40	36.6	↑5.6
4/20 12:50	42.6	↑6.0
4/20 13:00	49.1	↑6.5
4/20 13:10	55.9	↑6.8
4/20 13:20	63.0	↑7.1
4/20 13:30	70.3	↑7.3
4/20 13:40	77.9	↑7.6
4/20 13:50	85.6	↑7.7
4/20 14:00	93.4	↑7.8
4/20 14:10	101.3	↑7.9	最大潮位差
4/20 14:20	109.1	↑7.8
4/20 14:30	116.9	↑7.8
4/20 14:40	124.7	↑7.8
4/20 14:50	132.2	↑7.5
4/20 15:00	139.6	↑7.4
4/20 15:10	146.8	↑7.2
4/20 15:20	153.6	↑6.8
4/20 15:30	160.2	↑6.6
4/20 15:40	166.4	↑6.2
4/20 15:50	172.1	↑5.7
4/20 16:00	177.5	↑5.4
4/20 16:10	182.3	↑4.8
4/20 16:20	186.7	↑4.4
4/20 16:30	190.6	↑3.9
4/20 16:40	193.9	↑3.3
4/20 16:50	196.6	↑2.7
4/20 17:00	198.8	↑2.2
4/20 17:10	200.4	↑1.6
4/20 17:20	201.4	↑1.0
4/20 17:30	201.8	↑0.4	満潮
4/20 17:40	201.5	↓-0.3
4/20 17:50	200.7	↓-0.8
4/20 18:00	199.3	↓-1.4
4/20 18:10	197.3	↓-2.0
4/20 18:20	194.7	↓-2.6
4/20 18:30	191.6	↓-3.1
4/20 18:40	188.0	↓-3.6
4/20 18:50	183.9	↓-4.1
4/20 19:00	179.4	↓-4.5
4/20 19:10	174.4	↓-5.0
4/20 19:20	169.0	↓-5.4
4/20 19:30	163.3	↓-5.7
4/20 19:40	157.4	↓-5.9
4/20 19:50	151.1	↓-6.3
4/20 20:00	144.7	↓-6.4
4/20 20:10	138.1	↓-6.6
4/20 20:20	131.4	↓-6.7
4/20 20:30	124.7	↓-6.7
4/20 20:40	118.1	↓-6.6
4/20 20:50	111.4	↓-6.7
4/20 21:00	105.0	↓-6.4
4/20 21:10	98.6	↓-6.4
4/20 21:20	92.6	↓-6.0
4/20 21:30	86.8	↓-5.8
4/20 21:40	81.3	↓-5.5
4/20 21:50	76.2	↓-5.1
4/20 22:00	71.5	↓-4.7
4/20 22:10	67.2	↓-4.3
4/20 22:20	63.4	↓-3.8
4/20 22:30	60.2	↓-3.2
4/20 22:40	57.5	↓-2.7
4/20 22:50	55.3	↓-2.2
4/20 23:00	53.7	↓-1.6
4/20 23:10	52.7	↓-1.0
4/20 23:20	52.2	↓-0.5	干潮
4/20 23:30	52.4	↑0.2
4/20 23:40	53.1	↑0.7
4/20 23:50	54.4	↑1.3