20 (月)	02:46	09:00	14:40	21:28
	166cm	97cm	163cm	57cm
小潮 出 05:42 入 18:52 出 01:12 入 11:59

旧門司（福岡）1998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	128.6	↑4.1	最大潮位差
4/20 00:10	132.5	↑3.9
4/20 00:20	136.3	↑3.8
4/20 00:30	139.9	↑3.6
4/20 00:40	143.2	↑3.3
4/20 00:50	146.4	↑3.2
4/20 01:00	149.4	↑3.0
4/20 01:10	152.1	↑2.7
4/20 01:20	154.6	↑2.5
4/20 01:30	156.9	↑2.3
4/20 01:40	158.9	↑2.0
4/20 01:50	160.6	↑1.7
4/20 02:00	162.1	↑1.5
4/20 02:10	163.3	↑1.2
4/20 02:20	164.2	↑0.9
4/20 02:30	164.8	↑0.6
4/20 02:40	165.1	↑0.3	満潮
4/20 02:50	165.1	0
4/20 03:00	164.8	↓-0.3
4/20 03:10	164.2	↓-0.6
4/20 03:20	163.3	↓-0.9
4/20 03:30	162.2	↓-1.1
4/20 03:40	160.9	↓-1.3
4/20 03:50	159.3	↓-1.6
4/20 04:00	157.5	↓-1.8
4/20 04:10	155.6	↓-1.9
4/20 04:20	153.5	↓-2.1
4/20 04:30	151.2	↓-2.3
4/20 04:40	148.9	↓-2.3
4/20 04:50	146.5	↓-2.4
4/20 05:00	144.0	↓-2.5
4/20 05:10	141.4	↓-2.6
4/20 05:20	138.8	↓-2.6
4/20 05:30	136.2	↓-2.6
4/20 05:40	133.6	↓-2.6
4/20 05:50	130.9	↓-2.7
4/20 06:00	128.3	↓-2.6
4/20 06:10	125.7	↓-2.6
4/20 06:20	123.1	↓-2.6
4/20 06:30	120.6	↓-2.5
4/20 06:40	118.1	↓-2.5
4/20 06:50	115.7	↓-2.4
4/20 07:00	113.3	↓-2.4
4/20 07:10	111.0	↓-2.3
4/20 07:20	108.9	↓-2.1
4/20 07:30	106.8	↓-2.1
4/20 07:40	104.9	↓-1.9
4/20 07:50	103.1	↓-1.8
4/20 08:00	101.6	↓-1.5
4/20 08:10	100.2	↓-1.4
4/20 08:20	99.1	↓-1.1
4/20 08:30	98.1	↓-1.0
4/20 08:40	97.5	↓-0.6
4/20 08:50	97.1	↓-0.4	干潮
4/20 09:00	97.0	↓-0.1	干潮
4/20 09:10	97.2	↑0.2
4/20 09:20	97.6	↑0.4
4/20 09:30	98.3	↑0.7
4/20 09:40	99.3	↑1.0
4/20 09:50	100.6	↑1.3
4/20 10:00	102.1	↑1.5
4/20 10:10	103.9	↑1.8
4/20 10:20	105.9	↑2.0
4/20 10:30	108.0	↑2.1
4/20 10:40	110.4	↑2.4
4/20 10:50	112.9	↑2.5
4/20 11:00	115.5	↑2.6
4/20 11:10	118.2	↑2.7
4/20 11:20	121.0	↑2.8
4/20 11:30	123.9	↑2.9
4/20 11:40	126.8	↑2.9
4/20 11:50	129.8	↑3.0
4/20 12:00	132.7	↑2.9
4/20 12:10	135.6	↑2.9
4/20 12:20	138.5	↑2.9
4/20 12:30	141.3	↑2.8
4/20 12:40	144.1	↑2.8
4/20 12:50	146.7	↑2.6
4/20 13:00	149.2	↑2.5
4/20 13:10	151.6	↑2.4
4/20 13:20	153.8	↑2.2
4/20 13:30	155.9	↑2.1
4/20 13:40	157.7	↑1.8
4/20 13:50	159.3	↑1.6
4/20 14:00	160.6	↑1.3
4/20 14:10	161.6	↑1.0
4/20 14:20	162.4	↑0.8
4/20 14:30	162.8	↑0.4	満潮
4/20 14:40	163.0	↑0.2	満潮
4/20 14:50	162.8	↓-0.2
4/20 15:00	162.2	↓-0.6
4/20 15:10	161.4	↓-0.8
4/20 15:20	160.2	↓-1.2
4/20 15:30	158.7	↓-1.5
4/20 15:40	156.9	↓-1.8
4/20 15:50	154.8	↓-2.1
4/20 16:00	152.5	↓-2.3
4/20 16:10	149.9	↓-2.6
4/20 16:20	147.0	↓-2.9
4/20 16:30	144.0	↓-3.0
4/20 16:40	140.8	↓-3.2
4/20 16:50	137.4	↓-3.4
4/20 17:00	133.9	↓-3.5
4/20 17:10	130.3	↓-3.6
4/20 17:20	126.6	↓-3.7
4/20 17:30	122.8	↓-3.8
4/20 17:40	119.0	↓-3.8
4/20 17:50	115.1	↓-3.9
4/20 18:00	111.2	↓-3.9
4/20 18:10	107.3	↓-3.9
4/20 18:20	103.4	↓-3.9
4/20 18:30	99.6	↓-3.8
4/20 18:40	95.7	↓-3.9
4/20 18:50	92.0	↓-3.7
4/20 19:00	88.3	↓-3.7
4/20 19:10	84.7	↓-3.6
4/20 19:20	81.2	↓-3.5
4/20 19:30	77.8	↓-3.4
4/20 19:40	74.7	↓-3.1
4/20 19:50	71.7	↓-3.0
4/20 20:00	68.9	↓-2.8
4/20 20:10	66.3	↓-2.6
4/20 20:20	64.1	↓-2.2
4/20 20:30	62.0	↓-2.1
4/20 20:40	60.3	↓-1.7
4/20 20:50	58.9	↓-1.4
4/20 21:00	57.9	↓-1.0
4/20 21:10	57.1	↓-0.8
4/20 21:20	56.7	↓-0.4	干潮
4/20 21:30	56.6	↓-0.1
4/20 21:40	56.9	↑0.3
4/20 21:50	57.5	↑0.6
4/20 22:00	58.5	↑1.0
4/20 22:10	59.7	↑1.2
4/20 22:20	61.3	↑1.6
4/20 22:30	63.2	↑1.9
4/20 22:40	65.3	↑2.1
4/20 22:50	67.7	↑2.4
4/20 23:00	70.4	↑2.7
4/20 23:10	73.2	↑2.8
4/20 23:20	76.3	↑3.1
4/20 23:30	79.6	↑3.3
4/20 23:40	83.0	↑3.4
4/20 23:50	86.6	↑3.6