20 (木)	02:46	08:54	14:30	20:48
	161cm	78cm	148cm	53cm
若潮 出 05:01 入 18:17 出 02:26 入 14:06

姉崎（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	126.9	↑3.8
4/20 00:10	130.6	↑3.7
4/20 00:20	134.2	↑3.6
4/20 00:30	137.5	↑3.3
4/20 00:40	140.7	↑3.2
4/20 00:50	143.6	↑2.9
4/20 01:00	146.4	↑2.8
4/20 01:10	148.9	↑2.5
4/20 01:20	151.2	↑2.3
4/20 01:30	153.2	↑2.0
4/20 01:40	155.0	↑1.8
4/20 01:50	156.5	↑1.5
4/20 02:00	157.8	↑1.3
4/20 02:10	158.8	↑1.0
4/20 02:20	159.6	↑0.8
4/20 02:30	160.1	↑0.5
4/20 02:40	160.3	↑0.2	満潮
4/20 02:50	160.4	↑0.1
4/20 03:00	160.1	↓-0.3
4/20 03:10	159.6	↓-0.5
4/20 03:20	158.9	↓-0.7
4/20 03:30	157.9	↓-1.0
4/20 03:40	156.6	↓-1.3
4/20 03:50	155.2	↓-1.4
4/20 04:00	153.5	↓-1.7
4/20 04:10	151.5	↓-2.0
4/20 04:20	149.4	↓-2.1
4/20 04:30	147.0	↓-2.4
4/20 04:40	144.5	↓-2.5
4/20 04:50	141.7	↓-2.8
4/20 05:00	138.8	↓-2.9
4/20 05:10	135.8	↓-3.0
4/20 05:20	132.6	↓-3.2
4/20 05:30	129.2	↓-3.4
4/20 05:40	125.8	↓-3.4
4/20 05:50	122.3	↓-3.5
4/20 06:00	118.7	↓-3.6
4/20 06:10	115.1	↓-3.6
4/20 06:20	111.5	↓-3.6
4/20 06:30	108.0	↓-3.5
4/20 06:40	104.5	↓-3.5
4/20 06:50	101.1	↓-3.4
4/20 07:00	97.8	↓-3.3
4/20 07:10	94.7	↓-3.1
4/20 07:20	91.7	↓-3.0
4/20 07:30	89.0	↓-2.7
4/20 07:40	86.5	↓-2.5
4/20 07:50	84.3	↓-2.2
4/20 08:00	82.3	↓-2.0
4/20 08:10	80.7	↓-1.6
4/20 08:20	79.3	↓-1.4
4/20 08:30	78.4	↓-0.9
4/20 08:40	77.7	↓-0.7
4/20 08:50	77.4	↓-0.3	干潮
4/20 09:00	77.5	↑0.1
4/20 09:10	77.9	↑0.4
4/20 09:20	78.6	↑0.7
4/20 09:30	79.7	↑1.1
4/20 09:40	81.1	↑1.4
4/20 09:50	82.8	↑1.7
4/20 10:00	84.8	↑2.0
4/20 10:10	87.1	↑2.3
4/20 10:20	89.6	↑2.5
4/20 10:30	92.3	↑2.7
4/20 10:40	95.2	↑2.9
4/20 10:50	98.2	↑3.0
4/20 11:00	101.3	↑3.1
4/20 11:10	104.6	↑3.3
4/20 11:20	107.9	↑3.3
4/20 11:30	111.2	↑3.3
4/20 11:40	114.5	↑3.3
4/20 11:50	117.7	↑3.2
4/20 12:00	120.9	↑3.2
4/20 12:10	124.0	↑3.1
4/20 12:20	127.0	↑3.0
4/20 12:30	129.8	↑2.8
4/20 12:40	132.5	↑2.7
4/20 12:50	135.0	↑2.5
4/20 13:00	137.3	↑2.3
4/20 13:10	139.4	↑2.1
4/20 13:20	141.2	↑1.8
4/20 13:30	142.9	↑1.7
4/20 13:40	144.2	↑1.3
4/20 13:50	145.4	↑1.2
4/20 14:00	146.3	↑0.9
4/20 14:10	146.9	↑0.6
4/20 14:20	147.2	↑0.3	満潮
4/20 14:30	147.4	↑0.2	満潮
4/20 14:40	147.2	↓-0.2
4/20 14:50	146.8	↓-0.4
4/20 15:00	146.1	↓-0.7
4/20 15:10	145.2	↓-0.9
4/20 15:20	144.0	↓-1.2
4/20 15:30	142.5	↓-1.5
4/20 15:40	140.9	↓-1.6
4/20 15:50	138.9	↓-2.0
4/20 16:00	136.8	↓-2.1
4/20 16:10	134.4	↓-2.4
4/20 16:20	131.8	↓-2.6
4/20 16:30	129.0	↓-2.8
4/20 16:40	125.9	↓-3.1
4/20 16:50	122.7	↓-3.2
4/20 17:00	119.4	↓-3.3
4/20 17:10	115.8	↓-3.6
4/20 17:20	112.2	↓-3.6
4/20 17:30	108.4	↓-3.8
4/20 17:40	104.5	↓-3.9
4/20 17:50	100.6	↓-3.9
4/20 18:00	96.6	↓-4.0
4/20 18:10	92.6	↓-4.0
4/20 18:20	88.6	↓-4.0
4/20 18:30	84.7	↓-3.9
4/20 18:40	80.8	↓-3.9
4/20 18:50	77.1	↓-3.7
4/20 19:00	73.5	↓-3.6
4/20 19:10	70.1	↓-3.4
4/20 19:20	66.9	↓-3.2
4/20 19:30	63.9	↓-3.0
4/20 19:40	61.2	↓-2.7
4/20 19:50	58.9	↓-2.3
4/20 20:00	56.8	↓-2.1
4/20 20:10	55.1	↓-1.7
4/20 20:20	53.8	↓-1.3
4/20 20:30	52.9	↓-0.9
4/20 20:40	52.4	↓-0.5	干潮
4/20 20:50	52.4	0
4/20 21:00	52.7	↑0.3
4/20 21:10	53.5	↑0.8
4/20 21:20	54.7	↑1.2
4/20 21:30	56.4	↑1.7
4/20 21:40	58.4	↑2.0
4/20 21:50	60.9	↑2.5
4/20 22:00	63.7	↑2.8
4/20 22:10	66.9	↑3.2
4/20 22:20	70.4	↑3.5
4/20 22:30	74.2	↑3.8
4/20 22:40	78.2	↑4.0
4/20 22:50	82.5	↑4.3
4/20 23:00	87.0	↑4.5
4/20 23:10	91.7	↑4.7
4/20 23:20	96.5	↑4.8
4/20 23:30	101.4	↑4.9	最大潮位差
4/20 23:40	106.3	↑4.9	最大潮位差
4/20 23:50	111.2	↑4.9	最大潮位差