20 (火)	04:11	10:29	17:01	22:46
	183cm	16cm	190cm	61cm
大潮 出 05:03 入 18:18 出 17:47 入 04:10 潮干狩り ◎ 08:45～12:14

船橋（千葉）2027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	80.8	↑4.5
4/20 00:10	85.6	↑4.8
4/20 00:20	90.6	↑5.0
4/20 00:30	95.9	↑5.3
4/20 00:40	101.2	↑5.3
4/20 00:50	106.7	↑5.5
4/20 01:00	112.3	↑5.6
4/20 01:10	117.9	↑5.6
4/20 01:20	123.5	↑5.6
4/20 01:30	129.1	↑5.6
4/20 01:40	134.5	↑5.4
4/20 01:50	139.9	↑5.4
4/20 02:00	145.1	↑5.2
4/20 02:10	150.0	↑4.9
4/20 02:20	154.8	↑4.8
4/20 02:30	159.2	↑4.4
4/20 02:40	163.4	↑4.2
4/20 02:50	167.2	↑3.8
4/20 03:00	170.6	↑3.4
4/20 03:10	173.7	↑3.1
4/20 03:20	176.3	↑2.6
4/20 03:30	178.5	↑2.2
4/20 03:40	180.3	↑1.8
4/20 03:50	181.5	↑1.2
4/20 04:00	182.3	↑0.8
4/20 04:10	182.6	↑0.3	満潮
4/20 04:20	182.3	↓-0.3
4/20 04:30	181.5	↓-0.8
4/20 04:40	180.2	↓-1.3
4/20 04:50	178.4	↓-1.8
4/20 05:00	176.1	↓-2.3
4/20 05:10	173.3	↓-2.8
4/20 05:20	170.0	↓-3.3
4/20 05:30	166.2	↓-3.8
4/20 05:40	161.9	↓-4.3
4/20 05:50	157.2	↓-4.7
4/20 06:00	152.2	↓-5.0
4/20 06:10	146.7	↓-5.5
4/20 06:20	140.9	↓-5.8
4/20 06:30	134.8	↓-6.1
4/20 06:40	128.4	↓-6.4
4/20 06:50	121.8	↓-6.6
4/20 07:00	115.1	↓-6.7
4/20 07:10	108.2	↓-6.9
4/20 07:20	101.2	↓-7.0	最大潮位差
4/20 07:30	94.2	↓-7.0	最大潮位差
4/20 07:40	87.2	↓-7.0	最大潮位差
4/20 07:50	80.3	↓-6.9
4/20 08:00	73.5	↓-6.8
4/20 08:10	66.9	↓-6.6
4/20 08:20	60.5	↓-6.4
4/20 08:30	54.4	↓-6.1
4/20 08:40	48.6	↓-5.8
4/20 08:50	43.1	↓-5.5
4/20 09:00	38.1	↓-5.0
4/20 09:10	33.5	↓-4.6
4/20 09:20	29.4	↓-4.1
4/20 09:30	25.7	↓-3.7
4/20 09:40	22.6	↓-3.1
4/20 09:50	20.1	↓-2.5
4/20 10:00	18.1	↓-2.0
4/20 10:10	16.8	↓-1.3
4/20 10:20	16.0	↓-0.8	干潮
4/20 10:30	15.8	↓-0.2
4/20 10:40	16.2	↑0.4
4/20 10:50	17.2	↑1.0
4/20 11:00	18.7	↑1.5
4/20 11:10	20.9	↑2.2
4/20 11:20	23.6	↑2.7
4/20 11:30	26.8	↑3.2
4/20 11:40	30.5	↑3.7
4/20 11:50	34.7	↑4.2
4/20 12:00	39.4	↑4.7
4/20 12:10	44.4	↑5.0
4/20 12:20	49.8	↑5.4
4/20 12:30	55.6	↑5.8
4/20 12:40	61.6	↑6.0
4/20 12:50	67.9	↑6.3
4/20 13:00	74.5	↑6.6
4/20 13:10	81.1	↑6.6
4/20 13:20	87.9	↑6.8
4/20 13:30	94.8	↑6.9
4/20 13:40	101.7	↑6.9
4/20 13:50	108.6	↑6.9
4/20 14:00	115.5	↑6.9
4/20 14:10	122.3	↑6.8
4/20 14:20	128.9	↑6.6
4/20 14:30	135.4	↑6.5
4/20 14:40	141.6	↑6.2
4/20 14:50	147.6	↑6.0
4/20 15:00	153.3	↑5.7
4/20 15:10	158.7	↑5.4
4/20 15:20	163.7	↑5.0
4/20 15:30	168.3	↑4.6
4/20 15:40	172.5	↑4.2
4/20 15:50	176.3	↑3.8
4/20 16:00	179.7	↑3.4
4/20 16:10	182.5	↑2.8
4/20 16:20	184.9	↑2.4
4/20 16:30	186.7	↑1.8
4/20 16:40	188.0	↑1.3
4/20 16:50	188.8	↑0.8
4/20 17:00	189.1	↑0.3	満潮
4/20 17:10	188.8	↓-0.3
4/20 17:20	188.0	↓-0.8
4/20 17:30	186.7	↓-1.3
4/20 17:40	184.9	↓-1.8
4/20 17:50	182.6	↓-2.3
4/20 18:00	179.8	↓-2.8
4/20 18:10	176.5	↓-3.3
4/20 18:20	172.8	↓-3.7
4/20 18:30	168.7	↓-4.1
4/20 18:40	164.3	↓-4.4
4/20 18:50	159.5	↓-4.8
4/20 19:00	154.5	↓-5.0
4/20 19:10	149.1	↓-5.4
4/20 19:20	143.6	↓-5.5
4/20 19:30	137.9	↓-5.7
4/20 19:40	132.1	↓-5.8
4/20 19:50	126.3	↓-5.8
4/20 20:00	120.4	↓-5.9
4/20 20:10	114.6	↓-5.8
4/20 20:20	108.8	↓-5.8
4/20 20:30	103.2	↓-5.6
4/20 20:40	97.7	↓-5.5
4/20 20:50	92.5	↓-5.2
4/20 21:00	87.6	↓-4.9
4/20 21:10	82.9	↓-4.7
4/20 21:20	78.7	↓-4.2
4/20 21:30	74.8	↓-3.9
4/20 21:40	71.3	↓-3.5
4/20 21:50	68.2	↓-3.1
4/20 22:00	65.7	↓-2.5
4/20 22:10	63.6	↓-2.1
4/20 22:20	62.0	↓-1.6
4/20 22:30	61.0	↓-1.0
4/20 22:40	60.4	↓-0.6	干潮
4/20 22:50	60.4	0
4/20 23:00	61.0	↑0.6
4/20 23:10	62.0	↑1.0
4/20 23:20	63.5	↑1.5
4/20 23:30	65.6	↑2.1
4/20 23:40	68.1	↑2.5
4/20 23:50	71.0	↑2.9