20 (水)	05:39	11:39	17:40	23:50
	221cm	49cm	220cm	23cm
大潮 出 05:24 入 17:38 出 06:55 入 18:09

千葉灯標（千葉）2028年09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
9/20 00:00	39.9	↑3.0
9/20 00:10	43.4	↑3.5
9/20 00:20	47.6	↑4.2
9/20 00:30	52.3	↑4.7
9/20 00:40	57.5	↑5.2
9/20 00:50	63.2	↑5.7
9/20 01:00	69.3	↑6.1
9/20 01:10	75.8	↑6.5
9/20 01:20	82.6	↑6.8
9/20 01:30	89.6	↑7.0
9/20 01:40	96.9	↑7.3
9/20 01:50	104.3	↑7.4
9/20 02:00	111.8	↑7.5
9/20 02:10	119.4	↑7.6
9/20 02:20	127.0	↑7.6
9/20 02:30	134.5	↑7.5
9/20 02:40	141.9	↑7.4
9/20 02:50	149.2	↑7.3
9/20 03:00	156.4	↑7.2
9/20 03:10	163.3	↑6.9
9/20 03:20	170.0	↑6.7
9/20 03:30	176.4	↑6.4
9/20 03:40	182.5	↑6.1
9/20 03:50	188.2	↑5.7
9/20 04:00	193.6	↑5.4
9/20 04:10	198.5	↑4.9
9/20 04:20	203.0	↑4.5
9/20 04:30	207.1	↑4.1
9/20 04:40	210.6	↑3.5
9/20 04:50	213.6	↑3.0
9/20 05:00	216.1	↑2.5
9/20 05:10	218.0	↑1.9
9/20 05:20	219.4	↑1.4
9/20 05:30	220.1	↑0.7	満潮
9/20 05:40	220.3	↑0.2
9/20 05:50	219.8	↓-0.5
9/20 06:00	218.8	↓-1.0
9/20 06:10	217.1	↓-1.7
9/20 06:20	214.9	↓-2.2
9/20 06:30	212.1	↓-2.8
9/20 06:40	208.7	↓-3.4
9/20 06:50	204.8	↓-3.9
9/20 07:00	200.4	↓-4.4
9/20 07:10	195.5	↓-4.9
9/20 07:20	190.1	↓-5.4
9/20 07:30	184.3	↓-5.8
9/20 07:40	178.2	↓-6.1
9/20 07:50	171.7	↓-6.5
9/20 08:00	164.9	↓-6.8
9/20 08:10	157.9	↓-7.0
9/20 08:20	150.7	↓-7.2
9/20 08:30	143.3	↓-7.4
9/20 08:40	135.9	↓-7.4
9/20 08:50	128.4	↓-7.5
9/20 09:00	121.0	↓-7.4
9/20 09:10	113.6	↓-7.4
9/20 09:20	106.4	↓-7.2
9/20 09:30	99.4	↓-7.0
9/20 09:40	92.7	↓-6.7
9/20 09:50	86.2	↓-6.5
9/20 10:00	80.2	↓-6.0
9/20 10:10	74.5	↓-5.7
9/20 10:20	69.3	↓-5.2
9/20 10:30	64.6	↓-4.7
9/20 10:40	60.5	↓-4.1
9/20 10:50	56.9	↓-3.6
9/20 11:00	54.0	↓-2.9
9/20 11:10	51.7	↓-2.3
9/20 11:20	50.1	↓-1.6
9/20 11:30	49.2	↓-0.9	干潮
9/20 11:40	49.0	↓-0.2
9/20 11:50	49.5	↑0.5
9/20 12:00	50.6	↑1.1
9/20 12:10	52.5	↑1.9
9/20 12:20	55.0	↑2.5
9/20 12:30	58.1	↑3.1
9/20 12:40	61.8	↑3.7
9/20 12:50	66.1	↑4.3
9/20 13:00	71.0	↑4.9
9/20 13:10	76.3	↑5.3
9/20 13:20	82.0	↑5.7
9/20 13:30	88.2	↑6.2
9/20 13:40	94.6	↑6.4
9/20 13:50	101.4	↑6.8
9/20 14:00	108.3	↑6.9
9/20 14:10	115.5	↑7.2
9/20 14:20	122.7	↑7.2
9/20 14:30	130.0	↑7.3
9/20 14:40	137.4	↑7.4
9/20 14:50	144.6	↑7.2
9/20 15:00	151.8	↑7.2
9/20 15:10	158.9	↑7.1
9/20 15:20	165.7	↑6.8
9/20 15:30	172.4	↑6.7
9/20 15:40	178.7	↑6.3
9/20 15:50	184.8	↑6.1
9/20 16:00	190.4	↑5.6
9/20 16:10	195.7	↑5.3
9/20 16:20	200.5	↑4.8
9/20 16:30	204.9	↑4.4
9/20 16:40	208.8	↑3.9
9/20 16:50	212.1	↑3.3
9/20 17:00	214.8	↑2.7
9/20 17:10	217.0	↑2.2
9/20 17:20	218.5	↑1.5
9/20 17:30	219.4	↑0.9	満潮
9/20 17:40	219.6	↑0.2	満潮
9/20 17:50	219.2	↓-0.4
9/20 18:00	218.2	↓-1.0
9/20 18:10	216.4	↓-1.8
9/20 18:20	214.0	↓-2.4
9/20 18:30	211.0	↓-3.0
9/20 18:40	207.3	↓-3.7
9/20 18:50	203.0	↓-4.3
9/20 19:00	198.1	↓-4.9
9/20 19:10	192.7	↓-5.4
9/20 19:20	186.8	↓-5.9
9/20 19:30	180.3	↓-6.5
9/20 19:40	173.5	↓-6.8
9/20 19:50	166.2	↓-7.3
9/20 20:00	158.7	↓-7.5
9/20 20:10	150.8	↓-7.9
9/20 20:20	142.7	↓-8.1
9/20 20:30	134.5	↓-8.2
9/20 20:40	126.2	↓-8.3
9/20 20:50	117.8	↓-8.4	最大潮位差
9/20 21:00	109.4	↓-8.4	最大潮位差
9/20 21:10	101.1	↓-8.3
9/20 21:20	93.0	↓-8.1
9/20 21:30	85.0	↓-8.0
9/20 21:40	77.3	↓-7.7
9/20 21:50	69.9	↓-7.4
9/20 22:00	62.9	↓-7.0
9/20 22:10	56.4	↓-6.5
9/20 22:20	50.3	↓-6.1
9/20 22:30	44.7	↓-5.6
9/20 22:40	39.7	↓-5.0
9/20 22:50	35.2	↓-4.5
9/20 23:00	31.5	↓-3.7
9/20 23:10	28.3	↓-3.2
9/20 23:20	25.9	↓-2.4
9/20 23:30	24.2	↓-1.7
9/20 23:40	23.2	↓-1.0	干潮
9/20 23:50	22.9	↓-0.3	干潮