20 (水)	03:43	09:29	15:26	21:38
	171cm	61cm	164cm	44cm
中潮 出 05:00 入 18:15 出 03:40 入 15:12

千葉灯標（千葉）2039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	97.7	↑4.7
4/20 00:10	102.4	↑4.7
4/20 00:20	107.2	↑4.8
4/20 00:30	112.0	↑4.8
4/20 00:40	116.8	↑4.8
4/20 00:50	121.5	↑4.7
4/20 01:00	126.1	↑4.6
4/20 01:10	130.7	↑4.6
4/20 01:20	135.1	↑4.4
4/20 01:30	139.4	↑4.3
4/20 01:40	143.5	↑4.1
4/20 01:50	147.3	↑3.8
4/20 02:00	151.0	↑3.7
4/20 02:10	154.4	↑3.4
4/20 02:20	157.5	↑3.1
4/20 02:30	160.3	↑2.8
4/20 02:40	162.9	↑2.6
4/20 02:50	165.0	↑2.1
4/20 03:00	166.9	↑1.9
4/20 03:10	168.3	↑1.4
4/20 03:20	169.4	↑1.1
4/20 03:30	170.0	↑0.6
4/20 03:40	170.3	↑0.3	満潮
4/20 03:50	170.2	↓-0.1
4/20 04:00	169.6	↓-0.6
4/20 04:10	168.6	↓-1.0
4/20 04:20	167.3	↓-1.3
4/20 04:30	165.5	↓-1.8
4/20 04:40	163.3	↓-2.2
4/20 04:50	160.8	↓-2.5
4/20 05:00	157.9	↓-2.9
4/20 05:10	154.7	↓-3.2
4/20 05:20	151.1	↓-3.6
4/20 05:30	147.2	↓-3.9
4/20 05:40	143.1	↓-4.1
4/20 05:50	138.8	↓-4.3
4/20 06:00	134.2	↓-4.6
4/20 06:10	129.4	↓-4.8
4/20 06:20	124.6	↓-4.8
4/20 06:30	119.6	↓-5.0
4/20 06:40	114.6	↓-5.0
4/20 06:50	109.6	↓-5.0
4/20 07:00	104.6	↓-5.0
4/20 07:10	99.6	↓-5.0
4/20 07:20	94.8	↓-4.8
4/20 07:30	90.2	↓-4.6
4/20 07:40	85.8	↓-4.4
4/20 07:50	81.6	↓-4.2
4/20 08:00	77.7	↓-3.9
4/20 08:10	74.2	↓-3.5
4/20 08:20	71.0	↓-3.2
4/20 08:30	68.2	↓-2.8
4/20 08:40	65.8	↓-2.4
4/20 08:50	63.8	↓-2.0
4/20 09:00	62.3	↓-1.5
4/20 09:10	61.2	↓-1.1
4/20 09:20	60.6	↓-0.6	干潮
4/20 09:30	60.5	↓-0.1
4/20 09:40	60.8	↑0.3
4/20 09:50	61.6	↑0.8
4/20 10:00	62.8	↑1.2
4/20 10:10	64.4	↑1.6
4/20 10:20	66.5	↑2.1
4/20 10:30	68.9	↑2.4
4/20 10:40	71.6	↑2.7
4/20 10:50	74.7	↑3.1
4/20 11:00	78.1	↑3.4
4/20 11:10	81.7	↑3.6
4/20 11:20	85.5	↑3.8
4/20 11:30	89.6	↑4.1
4/20 11:40	93.7	↑4.1
4/20 11:50	98.0	↑4.3
4/20 12:00	102.4	↑4.4
4/20 12:10	106.8	↑4.4
4/20 12:20	111.3	↑4.5
4/20 12:30	115.8	↑4.5
4/20 12:40	120.2	↑4.4
4/20 12:50	124.5	↑4.3
4/20 13:00	128.7	↑4.2
4/20 13:10	132.8	↑4.1
4/20 13:20	136.8	↑4.0
4/20 13:30	140.6	↑3.8
4/20 13:40	144.1	↑3.5
4/20 13:50	147.5	↑3.4
4/20 14:00	150.6	↑3.1
4/20 14:10	153.4	↑2.8
4/20 14:20	155.9	↑2.5
4/20 14:30	158.0	↑2.1
4/20 14:40	159.9	↑1.9
4/20 14:50	161.4	↑1.5
4/20 15:00	162.5	↑1.1
4/20 15:10	163.3	↑0.8
4/20 15:20	163.7	↑0.4	満潮
4/20 15:30	163.7	0
4/20 15:40	163.3	↓-0.4
4/20 15:50	162.5	↓-0.8
4/20 16:00	161.3	↓-1.2
4/20 16:10	159.8	↓-1.5
4/20 16:20	157.8	↓-2.0
4/20 16:30	155.5	↓-2.3
4/20 16:40	152.9	↓-2.6
4/20 16:50	149.9	↓-3.0
4/20 17:00	146.6	↓-3.3
4/20 17:10	143.0	↓-3.6
4/20 17:20	139.1	↓-3.9
4/20 17:30	134.9	↓-4.2
4/20 17:40	130.6	↓-4.3
4/20 17:50	126.0	↓-4.6
4/20 18:00	121.3	↓-4.7
4/20 18:10	116.4	↓-4.9
4/20 18:20	111.4	↓-5.0
4/20 18:30	106.3	↓-5.1	最大潮位差
4/20 18:40	101.2	↓-5.1	最大潮位差
4/20 18:50	96.1	↓-5.1	最大潮位差
4/20 19:00	91.0	↓-5.1	最大潮位差
4/20 19:10	86.0	↓-5.0
4/20 19:20	81.1	↓-4.9
4/20 19:30	76.4	↓-4.7
4/20 19:40	71.8	↓-4.6
4/20 19:50	67.5	↓-4.3
4/20 20:00	63.4	↓-4.1
4/20 20:10	59.6	↓-3.8
4/20 20:20	56.2	↓-3.4
4/20 20:30	53.1	↓-3.1
4/20 20:40	50.4	↓-2.7
4/20 20:50	48.1	↓-2.3
4/20 21:00	46.2	↓-1.9
4/20 21:10	44.7	↓-1.5
4/20 21:20	43.7	↓-1.0
4/20 21:30	43.2	↓-0.5	干潮
4/20 21:40	43.1	↓-0.1
4/20 21:50	43.5	↑0.4
4/20 22:00	44.3	↑0.8
4/20 22:10	45.6	↑1.3
4/20 22:20	47.3	↑1.7
4/20 22:30	49.4	↑2.1
4/20 22:40	51.9	↑2.5
4/20 22:50	54.7	↑2.8
4/20 23:00	57.9	↑3.2
4/20 23:10	61.5	↑3.6
4/20 23:20	65.3	↑3.8
4/20 23:30	69.4	↑4.1
4/20 23:40	73.7	↑4.3
4/20 23:50	78.3	↑4.6