20 (日)	00:38	06:25	11:53	19:00
	271cm	169cm	270cm	89cm
小潮 出 05:45 入 18:53 出 00:46 入 10:32

大門／天草本渡（熊本）2025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	267.5	↑2.2
4/20 00:10	269.2	↑1.7
4/20 00:20	270.3	↑1.1
4/20 00:30	270.9	↑0.6	満潮
4/20 00:40	271.0	↑0.1
4/20 00:50	270.5	↓-0.5
4/20 01:00	269.7	↓-0.8
4/20 01:10	268.3	↓-1.4
4/20 01:20	266.6	↓-1.7
4/20 01:30	264.4	↓-2.2
4/20 01:40	261.9	↓-2.5
4/20 01:50	259.0	↓-2.9
4/20 02:00	255.8	↓-3.2
4/20 02:10	252.4	↓-3.4
4/20 02:20	248.7	↓-3.7
4/20 02:30	244.8	↓-3.9
4/20 02:40	240.7	↓-4.1
4/20 02:50	236.5	↓-4.2
4/20 03:00	232.1	↓-4.4
4/20 03:10	227.7	↓-4.4
4/20 03:20	223.3	↓-4.4
4/20 03:30	218.8	↓-4.5
4/20 03:40	214.3	↓-4.5
4/20 03:50	209.9	↓-4.4
4/20 04:00	205.5	↓-4.4
4/20 04:10	201.3	↓-4.2
4/20 04:20	197.2	↓-4.1
4/20 04:30	193.2	↓-4.0
4/20 04:40	189.5	↓-3.7
4/20 04:50	186.0	↓-3.5
4/20 05:00	182.8	↓-3.2
4/20 05:10	179.8	↓-3.0
4/20 05:20	177.1	↓-2.7
4/20 05:30	174.8	↓-2.3
4/20 05:40	172.8	↓-2.0
4/20 05:50	171.2	↓-1.6
4/20 06:00	170.0	↓-1.2
4/20 06:10	169.2	↓-0.8
4/20 06:20	168.8	↓-0.4	干潮
4/20 06:30	168.8	0
4/20 06:40	169.3	↑0.5
4/20 06:50	170.2	↑0.9
4/20 07:00	171.5	↑1.3
4/20 07:10	173.2	↑1.7
4/20 07:20	175.4	↑2.2
4/20 07:30	177.9	↑2.5
4/20 07:40	180.8	↑2.9
4/20 07:50	184.1	↑3.3
4/20 08:00	187.7	↑3.6
4/20 08:10	191.6	↑3.9
4/20 08:20	195.7	↑4.1
4/20 08:30	200.1	↑4.4
4/20 08:40	204.7	↑4.6
4/20 08:50	209.4	↑4.7
4/20 09:00	214.2	↑4.8
4/20 09:10	219.1	↑4.9
4/20 09:20	224.0	↑4.9
4/20 09:30	228.8	↑4.8
4/20 09:40	233.6	↑4.8
4/20 09:50	238.2	↑4.6
4/20 10:00	242.7	↑4.5
4/20 10:10	247.0	↑4.3
4/20 10:20	250.9	↑3.9
4/20 10:30	254.6	↑3.7
4/20 10:40	258.0	↑3.4
4/20 10:50	261.0	↑3.0
4/20 11:00	263.6	↑2.6
4/20 11:10	265.8	↑2.2
4/20 11:20	267.5	↑1.7
4/20 11:30	268.8	↑1.3
4/20 11:40	269.6	↑0.8
4/20 11:50	269.9	↑0.3	満潮
4/20 12:00	269.8	↓-0.1
4/20 12:10	269.1	↓-0.7
4/20 12:20	268.0	↓-1.1
4/20 12:30	266.4	↓-1.6
4/20 12:40	264.3	↓-2.1
4/20 12:50	261.7	↓-2.6
4/20 13:00	258.7	↓-3.0
4/20 13:10	255.3	↓-3.4
4/20 13:20	251.5	↓-3.8
4/20 13:30	247.3	↓-4.2
4/20 13:40	242.7	↓-4.6
4/20 13:50	237.8	↓-4.9
4/20 14:00	232.6	↓-5.2
4/20 14:10	227.1	↓-5.5
4/20 14:20	221.4	↓-5.7
4/20 14:30	215.4	↓-6.0
4/20 14:40	209.3	↓-6.1
4/20 14:50	203.1	↓-6.2
4/20 15:00	196.7	↓-6.4
4/20 15:10	190.2	↓-6.5
4/20 15:20	183.6	↓-6.6	最大潮位差
4/20 15:30	177.1	↓-6.5
4/20 15:40	170.5	↓-6.6	最大潮位差
4/20 15:50	164.0	↓-6.5
4/20 16:00	157.6	↓-6.4
4/20 16:10	151.2	↓-6.4
4/20 16:20	145.0	↓-6.2
4/20 16:30	139.0	↓-6.0
4/20 16:40	133.2	↓-5.8
4/20 16:50	127.6	↓-5.6
4/20 17:00	122.2	↓-5.4
4/20 17:10	117.2	↓-5.0
4/20 17:20	112.5	↓-4.7
4/20 17:30	108.1	↓-4.4
4/20 17:40	104.1	↓-4.0
4/20 17:50	100.5	↓-3.6
4/20 18:00	97.4	↓-3.1
4/20 18:10	94.7	↓-2.7
4/20 18:20	92.4	↓-2.3
4/20 18:30	90.7	↓-1.7
4/20 18:40	89.4	↓-1.3
4/20 18:50	88.7	↓-0.7	干潮
4/20 19:00	88.5	↓-0.2	干潮
4/20 19:10	88.7	↑0.2
4/20 19:20	89.6	↑0.9
4/20 19:30	90.9	↑1.3
4/20 19:40	92.8	↑1.9
4/20 19:50	95.1	↑2.3
4/20 20:00	98.0	↑2.9
4/20 20:10	101.3	↑3.3
4/20 20:20	105.1	↑3.8
4/20 20:30	109.3	↑4.2
4/20 20:40	113.9	↑4.6
4/20 20:50	118.8	↑4.9
4/20 21:00	124.1	↑5.3
4/20 21:10	129.7	↑5.6
4/20 21:20	135.6	↑5.9
4/20 21:30	141.7	↑6.1
4/20 21:40	147.9	↑6.2
4/20 21:50	154.3	↑6.4
4/20 22:00	160.8	↑6.5
4/20 22:10	167.3	↑6.5
4/20 22:20	173.8	↑6.5
4/20 22:30	180.4	↑6.6	最大潮位差
4/20 22:40	186.8	↑6.4
4/20 22:50	193.1	↑6.3
4/20 23:00	199.3	↑6.2
4/20 23:10	205.3	↑6.0
4/20 23:20	211.0	↑5.7
4/20 23:30	216.5	↑5.5
4/20 23:40	221.8	↑5.3
4/20 23:50	226.7	↑4.9