20 (日)	08:04	01:49	20:25	14:11
	196cm	40cm	199cm	26cm
大潮 出 05:41 入 18:52 出 16:32 入 04:11 潮干狩り ◎ 12:47～15:28

旧門司（福岡）1997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	73.1	↓-5.4
4/20 00:10	68.0	↓-5.1
4/20 00:20	63.2	↓-4.8
4/20 00:30	58.6	↓-4.6
4/20 00:40	54.4	↓-4.2
4/20 00:50	50.7	↓-3.7
4/20 01:00	47.3	↓-3.4
4/20 01:10	44.5	↓-2.8
4/20 01:20	42.3	↓-2.2
4/20 01:30	40.7	↓-1.6
4/20 01:40	39.7	↓-1.0	干潮
4/20 01:50	39.5	↓-0.2
4/20 02:00	40.0	↑0.5
4/20 02:10	41.2	↑1.2
4/20 02:20	43.2	↑2.0
4/20 02:30	45.9	↑2.7
4/20 02:40	49.4	↑3.5
4/20 02:50	53.5	↑4.1
4/20 03:00	58.2	↑4.7
4/20 03:10	63.5	↑5.3
4/20 03:20	69.3	↑5.8
4/20 03:30	75.5	↑6.2
4/20 03:40	82.0	↑6.5
4/20 03:50	88.7	↑6.7
4/20 04:00	95.5	↑6.8
4/20 04:10	102.4	↑6.9
4/20 04:20	109.2	↑6.8
4/20 04:30	116.0	↑6.8
4/20 04:40	122.6	↑6.6
4/20 04:50	129.0	↑6.4
4/20 05:00	135.1	↑6.1
4/20 05:10	140.9	↑5.8
4/20 05:20	146.5	↑5.6
4/20 05:30	151.8	↑5.3
4/20 05:40	156.8	↑5.0
4/20 05:50	161.4	↑4.6
4/20 06:00	165.8	↑4.4
4/20 06:10	170.0	↑4.2
4/20 06:20	173.8	↑3.8
4/20 06:30	177.4	↑3.6
4/20 06:40	180.7	↑3.3
4/20 06:50	183.8	↑3.1
4/20 07:00	186.5	↑2.7
4/20 07:10	188.9	↑2.4
4/20 07:20	191.0	↑2.1
4/20 07:30	192.8	↑1.8
4/20 07:40	194.1	↑1.3
4/20 07:50	194.9	↑0.8
4/20 08:00	195.3	↑0.4	満潮
4/20 08:10	195.2	↓-0.1
4/20 08:20	194.5	↓-0.7
4/20 08:30	193.3	↓-1.2
4/20 08:40	191.5	↓-1.8
4/20 08:50	189.1	↓-2.4
4/20 09:00	186.1	↓-3.0
4/20 09:10	182.6	↓-3.5
4/20 09:20	178.5	↓-4.1
4/20 09:30	173.9	↓-4.6
4/20 09:40	168.9	↓-5.0
4/20 09:50	163.4	↓-5.5
4/20 10:00	157.6	↓-5.8
4/20 10:10	151.5	↓-6.1
4/20 10:20	145.1	↓-6.4
4/20 10:30	138.5	↓-6.6
4/20 10:40	131.8	↓-6.7
4/20 10:50	125.0	↓-6.8
4/20 11:00	118.1	↓-6.9
4/20 11:10	111.2	↓-6.9
4/20 11:20	104.3	↓-6.9
4/20 11:30	97.5	↓-6.8
4/20 11:40	90.8	↓-6.7
4/20 11:50	84.1	↓-6.7
4/20 12:00	77.6	↓-6.5
4/20 12:10	71.3	↓-6.3
4/20 12:20	65.2	↓-6.1
4/20 12:30	59.3	↓-5.9
4/20 12:40	53.8	↓-5.5
4/20 12:50	48.5	↓-5.3
4/20 13:00	43.7	↓-4.8
4/20 13:10	39.3	↓-4.4
4/20 13:20	35.5	↓-3.8
4/20 13:30	32.2	↓-3.3
4/20 13:40	29.5	↓-2.7
4/20 13:50	27.6	↓-1.9
4/20 14:00	26.4	↓-1.2
4/20 14:10	26.0	↓-0.4	干潮
4/20 14:20	26.4	↑0.4
4/20 14:30	27.6	↑1.2
4/20 14:40	29.7	↑2.1
4/20 14:50	32.7	↑3.0
4/20 15:00	36.4	↑3.7
4/20 15:10	40.9	↑4.5
4/20 15:20	46.1	↑5.2
4/20 15:30	51.9	↑5.8
4/20 15:40	58.3	↑6.4
4/20 15:50	65.1	↑6.8
4/20 16:00	72.2	↑7.1
4/20 16:10	79.7	↑7.5
4/20 16:20	87.2	↑7.5
4/20 16:30	94.9	↑7.7	最大潮位差
4/20 16:40	102.5	↑7.6
4/20 16:50	110.0	↑7.5
4/20 17:00	117.3	↑7.3
4/20 17:10	124.4	↑7.1
4/20 17:20	131.2	↑6.8
4/20 17:30	137.7	↑6.5
4/20 17:40	143.9	↑6.2
4/20 17:50	149.8	↑5.9
4/20 18:00	155.3	↑5.5
4/20 18:10	160.5	↑5.2
4/20 18:20	165.4	↑4.9
4/20 18:30	170.0	↑4.6
4/20 18:40	174.3	↑4.3
4/20 18:50	178.3	↑4.0
4/20 19:00	181.9	↑3.6
4/20 19:10	185.3	↑3.4
4/20 19:20	188.4	↑3.1
4/20 19:30	191.1	↑2.7
4/20 19:40	193.4	↑2.3
4/20 19:50	195.3	↑1.9
4/20 20:00	196.8	↑1.5
4/20 20:10	197.8	↑1.0
4/20 20:20	198.3	↑0.5	満潮
4/20 20:30	198.2	↓-0.1
4/20 20:40	197.6	↓-0.6
4/20 20:50	196.3	↓-1.3
4/20 21:00	194.5	↓-1.8
4/20 21:10	192.0	↓-2.5
4/20 21:20	188.9	↓-3.1
4/20 21:30	185.3	↓-3.6
4/20 21:40	181.0	↓-4.3
4/20 21:50	176.3	↓-4.7
4/20 22:00	171.1	↓-5.2
4/20 22:10	165.5	↓-5.6
4/20 22:20	159.5	↓-6.0
4/20 22:30	153.2	↓-6.3
4/20 22:40	146.7	↓-6.5
4/20 22:50	140.0	↓-6.7
4/20 23:00	133.2	↓-6.8
4/20 23:10	126.3	↓-6.9
4/20 23:20	119.4	↓-6.9
4/20 23:30	112.5	↓-6.9
4/20 23:40	105.6	↓-6.9
4/20 23:50	98.8	↓-6.8