20 (木)	02:36	08:53	14:34	20:45
	160cm	77cm	146cm	60cm
若潮 出 05:01 入 18:17 出 02:26 入 14:06

市原（千葉）2028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	129.8	↑3.6
4/20 00:10	133.3	↑3.5
4/20 00:20	136.6	↑3.3
4/20 00:30	139.8	↑3.2
4/20 00:40	142.7	↑2.9
4/20 00:50	145.4	↑2.7
4/20 01:00	148.0	↑2.6
4/20 01:10	150.2	↑2.2
4/20 01:20	152.3	↑2.1
4/20 01:30	154.1	↑1.8
4/20 01:40	155.6	↑1.5
4/20 01:50	156.9	↑1.3
4/20 02:00	158.0	↑1.1
4/20 02:10	158.8	↑0.8
4/20 02:20	159.3	↑0.5
4/20 02:30	159.5	↑0.2	満潮
4/20 02:40	159.5	0
4/20 02:50	159.3	↓-0.2
4/20 03:00	158.8	↓-0.5
4/20 03:10	158.0	↓-0.8
4/20 03:20	157.0	↓-1.0
4/20 03:30	155.7	↓-1.3
4/20 03:40	154.3	↓-1.4
4/20 03:50	152.5	↓-1.8
4/20 04:00	150.6	↓-1.9
4/20 04:10	148.4	↓-2.2
4/20 04:20	146.1	↓-2.3
4/20 04:30	143.6	↓-2.5
4/20 04:40	140.8	↓-2.8
4/20 04:50	138.0	↓-2.8
4/20 05:00	134.9	↓-3.1
4/20 05:10	131.8	↓-3.1
4/20 05:20	128.5	↓-3.3
4/20 05:30	125.1	↓-3.4
4/20 05:40	121.7	↓-3.4
4/20 05:50	118.2	↓-3.5
4/20 06:00	114.7	↓-3.5
4/20 06:10	111.2	↓-3.5
4/20 06:20	107.7	↓-3.5
4/20 06:30	104.3	↓-3.4
4/20 06:40	101.0	↓-3.3
4/20 06:50	97.8	↓-3.2
4/20 07:00	94.7	↓-3.1
4/20 07:10	91.7	↓-3.0
4/20 07:20	89.0	↓-2.7
4/20 07:30	86.5	↓-2.5
4/20 07:40	84.2	↓-2.3
4/20 07:50	82.1	↓-2.1
4/20 08:00	80.3	↓-1.8
4/20 08:10	78.9	↓-1.4
4/20 08:20	77.7	↓-1.2
4/20 08:30	76.8	↓-0.9
4/20 08:40	76.3	↓-0.5
4/20 08:50	76.1	↓-0.2	干潮
4/20 09:00	76.2	↑0.1
4/20 09:10	76.6	↑0.4
4/20 09:20	77.4	↑0.8
4/20 09:30	78.4	↑1.0
4/20 09:40	79.8	↑1.4
4/20 09:50	81.4	↑1.6
4/20 10:00	83.3	↑1.9
4/20 10:10	85.5	↑2.2
4/20 10:20	87.9	↑2.4
4/20 10:30	90.5	↑2.6
4/20 10:40	93.2	↑2.7
4/20 10:50	96.1	↑2.9
4/20 11:00	99.1	↑3.0
4/20 11:10	102.2	↑3.1
4/20 11:20	105.4	↑3.2
4/20 11:30	108.5	↑3.1
4/20 11:40	111.7	↑3.2
4/20 11:50	114.9	↑3.2
4/20 12:00	118.0	↑3.1
4/20 12:10	121.0	↑3.0
4/20 12:20	124.0	↑3.0
4/20 12:30	126.8	↑2.8
4/20 12:40	129.4	↑2.6
4/20 12:50	131.9	↑2.5
4/20 13:00	134.3	↑2.4
4/20 13:10	136.4	↑2.1
4/20 13:20	138.3	↑1.9
4/20 13:30	140.0	↑1.7
4/20 13:40	141.4	↑1.4
4/20 13:50	142.6	↑1.2
4/20 14:00	143.6	↑1.0
4/20 14:10	144.3	↑0.7
4/20 14:20	144.8	↑0.5
4/20 14:30	145.0	↑0.2	満潮
4/20 14:40	145.0	0
4/20 14:50	144.6	↓-0.4
4/20 15:00	144.1	↓-0.5
4/20 15:10	143.3	↓-0.8
4/20 15:20	142.2	↓-1.1
4/20 15:30	140.9	↓-1.3
4/20 15:40	139.3	↓-1.6
4/20 15:50	137.5	↓-1.8
4/20 16:00	135.4	↓-2.1
4/20 16:10	133.2	↓-2.2
4/20 16:20	130.7	↓-2.5
4/20 16:30	128.1	↓-2.6
4/20 16:40	125.2	↓-2.9
4/20 16:50	122.2	↓-3.0
4/20 17:00	119.1	↓-3.1
4/20 17:10	115.8	↓-3.3
4/20 17:20	112.4	↓-3.4
4/20 17:30	108.9	↓-3.5
4/20 17:40	105.3	↓-3.6
4/20 17:50	101.7	↓-3.6
4/20 18:00	98.0	↓-3.7
4/20 18:10	94.4	↓-3.6
4/20 18:20	90.7	↓-3.7
4/20 18:30	87.2	↓-3.5
4/20 18:40	83.7	↓-3.5
4/20 18:50	80.4	↓-3.3
4/20 19:00	77.2	↓-3.2
4/20 19:10	74.1	↓-3.1
4/20 19:20	71.3	↓-2.8
4/20 19:30	68.7	↓-2.6
4/20 19:40	66.4	↓-2.3
4/20 19:50	64.4	↓-2.0
4/20 20:00	62.7	↓-1.7
4/20 20:10	61.2	↓-1.5
4/20 20:20	60.2	↓-1.0
4/20 20:30	59.5	↓-0.7
4/20 20:40	59.1	↓-0.4	干潮
4/20 20:50	59.2	↑0.1
4/20 21:00	59.6	↑0.4
4/20 21:10	60.4	↑0.8
4/20 21:20	61.6	↑1.2
4/20 21:30	63.2	↑1.6
4/20 21:40	65.2	↑2.0
4/20 21:50	67.5	↑2.3
4/20 22:00	70.1	↑2.6
4/20 22:10	73.1	↑3.0
4/20 22:20	76.3	↑3.2
4/20 22:30	79.8	↑3.5
4/20 22:40	83.6	↑3.8
4/20 22:50	87.6	↑4.0
4/20 23:00	91.7	↑4.1
4/20 23:10	96.0	↑4.3
4/20 23:20	100.5	↑4.5
4/20 23:30	105.0	↑4.5
4/20 23:40	109.6	↑4.6	最大潮位差
4/20 23:50	114.2	↑4.6	最大潮位差