20 (金)	03:14	06:28	13:47	22:45
	70cm	67cm	103cm	46cm
小潮 出 05:42 入 18:53 出 01:10 入 10:59

八幡（福岡）2063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	55.3	↑1.2
4/20 00:10	56.4	↑1.1
4/20 00:20	57.6	↑1.2
4/20 00:30	58.7	↑1.1
4/20 00:40	59.9	↑1.2
4/20 00:50	61.0	↑1.1
4/20 01:00	62.0	↑1.0
4/20 01:10	63.0	↑1.0
4/20 01:20	64.0	↑1.0
4/20 01:30	64.9	↑0.9
4/20 01:40	65.7	↑0.8
4/20 01:50	66.5	↑0.8
4/20 02:00	67.2	↑0.7
4/20 02:10	67.8	↑0.6
4/20 02:20	68.3	↑0.5
4/20 02:30	68.8	↑0.5
4/20 02:40	69.1	↑0.3
4/20 02:50	69.3	↑0.2
4/20 03:00	69.5	↑0.2
4/20 03:10	69.6	↑0.1	満潮
4/20 03:20	69.5	↓-0.1
4/20 03:30	69.5	0
4/20 03:40	69.3	↓-0.2
4/20 03:50	69.1	↓-0.2
4/20 04:00	68.9	↓-0.2
4/20 04:10	68.6	↓-0.3
4/20 04:20	68.3	↓-0.3
4/20 04:30	68.0	↓-0.3
4/20 04:40	67.7	↓-0.3
4/20 04:50	67.4	↓-0.3
4/20 05:00	67.2	↓-0.2
4/20 05:10	66.9	↓-0.3
4/20 05:20	66.7	↓-0.2
4/20 05:30	66.5	↓-0.2
4/20 05:40	66.4	↓-0.1
4/20 05:50	66.3	↓-0.1
4/20 06:00	66.2	↓-0.1
4/20 06:10	66.1	↓-0.1
4/20 06:20	66.1	0	干潮
4/20 06:30	66.1	0
4/20 06:40	66.1	0
4/20 06:50	66.1	0
4/20 07:00	66.2	↑0.1
4/20 07:10	66.3	↑0.1
4/20 07:20	66.5	↑0.2
4/20 07:30	66.6	↑0.1
4/20 07:40	66.9	↑0.3
4/20 07:50	67.1	↑0.2
4/20 08:00	67.5	↑0.4
4/20 08:10	67.9	↑0.4
4/20 08:20	68.4	↑0.5
4/20 08:30	68.9	↑0.5
4/20 08:40	69.6	↑0.7
4/20 08:50	70.3	↑0.7
4/20 09:00	71.1	↑0.8
4/20 09:10	72.1	↑1.0
4/20 09:20	73.1	↑1.0
4/20 09:30	74.2	↑1.1
4/20 09:40	75.4	↑1.2
4/20 09:50	76.7	↑1.3
4/20 10:00	78.1	↑1.4
4/20 10:10	79.5	↑1.4
4/20 10:20	81.0	↑1.5
4/20 10:30	82.5	↑1.5
4/20 10:40	84.1	↑1.6
4/20 10:50	85.6	↑1.5
4/20 11:00	87.2	↑1.6
4/20 11:10	88.7	↑1.5
4/20 11:20	90.2	↑1.5
4/20 11:30	91.6	↑1.4
4/20 11:40	93.0	↑1.4
4/20 11:50	94.4	↑1.4
4/20 12:00	95.6	↑1.2
4/20 12:10	96.8	↑1.2
4/20 12:20	97.9	↑1.1
4/20 12:30	98.9	↑1.0
4/20 12:40	99.8	↑0.9
4/20 12:50	100.5	↑0.7
4/20 13:00	101.2	↑0.7
4/20 13:10	101.7	↑0.5
4/20 13:20	102.1	↑0.4
4/20 13:30	102.4	↑0.3
4/20 13:40	102.5	↑0.1	満潮
4/20 13:50	102.6	↑0.1
4/20 14:00	102.4	↓-0.2
4/20 14:10	102.2	↓-0.2
4/20 14:20	101.7	↓-0.5
4/20 14:30	101.2	↓-0.5
4/20 14:40	100.5	↓-0.7
4/20 14:50	99.7	↓-0.8
4/20 15:00	98.8	↓-0.9
4/20 15:10	97.7	↓-1.1
4/20 15:20	96.5	↓-1.2
4/20 15:30	95.2	↓-1.3
4/20 15:40	93.9	↓-1.3
4/20 15:50	92.4	↓-1.5
4/20 16:00	90.9	↓-1.5
4/20 16:10	89.4	↓-1.5
4/20 16:20	87.8	↓-1.6
4/20 16:30	86.2	↓-1.6
4/20 16:40	84.5	↓-1.7	最大潮位差
4/20 16:50	82.9	↓-1.6
4/20 17:00	81.3	↓-1.6
4/20 17:10	79.6	↓-1.7	最大潮位差
4/20 17:20	78.1	↓-1.5
4/20 17:30	76.5	↓-1.6
4/20 17:40	75.0	↓-1.5
4/20 17:50	73.5	↓-1.5
4/20 18:00	72.0	↓-1.5
4/20 18:10	70.6	↓-1.4
4/20 18:20	69.1	↓-1.5
4/20 18:30	67.8	↓-1.3
4/20 18:40	66.4	↓-1.4
4/20 18:50	65.1	↓-1.3
4/20 19:00	63.7	↓-1.4
4/20 19:10	62.4	↓-1.3
4/20 19:20	61.1	↓-1.3
4/20 19:30	59.8	↓-1.3
4/20 19:40	58.6	↓-1.2
4/20 19:50	57.3	↓-1.3
4/20 20:00	56.1	↓-1.2
4/20 20:10	54.9	↓-1.2
4/20 20:20	53.8	↓-1.1
4/20 20:30	52.7	↓-1.1
4/20 20:40	51.6	↓-1.1
4/20 20:50	50.7	↓-0.9
4/20 21:00	49.7	↓-1.0
4/20 21:10	48.9	↓-0.8
4/20 21:20	48.1	↓-0.8
4/20 21:30	47.4	↓-0.7
4/20 21:40	46.8	↓-0.6
4/20 21:50	46.3	↓-0.5
4/20 22:00	45.9	↓-0.4
4/20 22:10	45.5	↓-0.4
4/20 22:20	45.3	↓-0.2
4/20 22:30	45.1	↓-0.2
4/20 22:40	45.1	0	干潮
4/20 22:50	45.1	0
4/20 23:00	45.2	↑0.1
4/20 23:10	45.3	↑0.1
4/20 23:20	45.6	↑0.3
4/20 23:30	45.9	↑0.3
4/20 23:40	46.2	↑0.3
4/20 23:50	46.7	↑0.5