21 (月)	07:39	00:08	18:07	11:44
	79cm	42cm	93cm	72cm
長潮 出 05:41 入 18:53 出 12:50 入 02:28

八幡（福岡）2059年04月21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
4/21 00:00	41.0	↓-0.2	干潮
4/21 00:10	41.0	0
4/21 00:20	41.1	↑0.1
4/21 00:30	41.3	↑0.2
4/21 00:40	41.6	↑0.3
4/21 00:50	42.1	↑0.5
4/21 01:00	42.6	↑0.5
4/21 01:10	43.2	↑0.6
4/21 01:20	44.0	↑0.8
4/21 01:30	44.8	↑0.8
4/21 01:40	45.7	↑0.9
4/21 01:50	46.7	↑1.0
4/21 02:00	47.7	↑1.0
4/21 02:10	48.8	↑1.1
4/21 02:20	50.0	↑1.2
4/21 02:30	51.2	↑1.2
4/21 02:40	52.5	↑1.3
4/21 02:50	53.8	↑1.3
4/21 03:00	55.0	↑1.2
4/21 03:10	56.4	↑1.4
4/21 03:20	57.7	↑1.3
4/21 03:30	59.0	↑1.3
4/21 03:40	60.2	↑1.2
4/21 03:50	61.5	↑1.3
4/21 04:00	62.8	↑1.3
4/21 04:10	64.0	↑1.2
4/21 04:20	65.2	↑1.2
4/21 04:30	66.3	↑1.1
4/21 04:40	67.5	↑1.2
4/21 04:50	68.5	↑1.0
4/21 05:00	69.6	↑1.1
4/21 05:10	70.6	↑1.0
4/21 05:20	71.5	↑0.9
4/21 05:30	72.4	↑0.9
4/21 05:40	73.3	↑0.9
4/21 05:50	74.1	↑0.8
4/21 06:00	74.8	↑0.7
4/21 06:10	75.5	↑0.7
4/21 06:20	76.1	↑0.6
4/21 06:30	76.6	↑0.5
4/21 06:40	77.1	↑0.5
4/21 06:50	77.5	↑0.4
4/21 07:00	77.8	↑0.3
4/21 07:10	78.0	↑0.2
4/21 07:20	78.2	↑0.2
4/21 07:30	78.3	↑0.1	満潮
4/21 07:40	78.3	0
4/21 07:50	78.3	0
4/21 08:00	78.2	↓-0.1
4/21 08:10	78.0	↓-0.2
4/21 08:20	77.7	↓-0.3
4/21 08:30	77.5	↓-0.2
4/21 08:40	77.1	↓-0.4
4/21 08:50	76.8	↓-0.3
4/21 09:00	76.4	↓-0.4
4/21 09:10	76.0	↓-0.4
4/21 09:20	75.5	↓-0.5
4/21 09:30	75.1	↓-0.4
4/21 09:40	74.7	↓-0.4
4/21 09:50	74.3	↓-0.4
4/21 10:00	73.9	↓-0.4
4/21 10:10	73.5	↓-0.4
4/21 10:20	73.1	↓-0.4
4/21 10:30	72.8	↓-0.3
4/21 10:40	72.5	↓-0.3
4/21 10:50	72.3	↓-0.2
4/21 11:00	72.1	↓-0.2
4/21 11:10	71.9	↓-0.2
4/21 11:20	71.8	↓-0.1
4/21 11:30	71.7	↓-0.1
4/21 11:40	71.7	0	干潮
4/21 11:50	71.7	0
4/21 12:00	71.8	↑0.1
4/21 12:10	71.9	↑0.1
4/21 12:20	72.0	↑0.1
4/21 12:30	72.2	↑0.2
4/21 12:40	72.5	↑0.3
4/21 12:50	72.8	↑0.3
4/21 13:00	73.2	↑0.4
4/21 13:10	73.6	↑0.4
4/21 13:20	74.0	↑0.4
4/21 13:30	74.6	↑0.6
4/21 13:40	75.1	↑0.5
4/21 13:50	75.8	↑0.7
4/21 14:00	76.4	↑0.6
4/21 14:10	77.2	↑0.8
4/21 14:20	77.9	↑0.7
4/21 14:30	78.7	↑0.8
4/21 14:40	79.5	↑0.8
4/21 14:50	80.3	↑0.8
4/21 15:00	81.2	↑0.9
4/21 15:10	82.0	↑0.8
4/21 15:20	82.9	↑0.9
4/21 15:30	83.8	↑0.9
4/21 15:40	84.6	↑0.8
4/21 15:50	85.5	↑0.9
4/21 16:00	86.3	↑0.8
4/21 16:10	87.1	↑0.8
4/21 16:20	87.9	↑0.8
4/21 16:30	88.6	↑0.7
4/21 16:40	89.3	↑0.7
4/21 16:50	90.0	↑0.7
4/21 17:00	90.5	↑0.5
4/21 17:10	91.1	↑0.6
4/21 17:20	91.5	↑0.4
4/21 17:30	91.9	↑0.4
4/21 17:40	92.2	↑0.3
4/21 17:50	92.4	↑0.2
4/21 18:00	92.6	↑0.2	満潮
4/21 18:10	92.6	0
4/21 18:20	92.5	↓-0.1
4/21 18:30	92.3	↓-0.2
4/21 18:40	91.9	↓-0.4
4/21 18:50	91.4	↓-0.5
4/21 19:00	90.8	↓-0.6
4/21 19:10	90.1	↓-0.7
4/21 19:20	89.2	↓-0.9
4/21 19:30	88.2	↓-1.0
4/21 19:40	87.0	↓-1.2
4/21 19:50	85.7	↓-1.3
4/21 20:00	84.3	↓-1.4
4/21 20:10	82.7	↓-1.6
4/21 20:20	81.0	↓-1.7
4/21 20:30	79.2	↓-1.8
4/21 20:40	77.3	↓-1.9
4/21 20:50	75.4	↓-1.9
4/21 21:00	73.3	↓-2.1
4/21 21:10	71.3	↓-2.0
4/21 21:20	69.1	↓-2.2	最大潮位差
4/21 21:30	67.0	↓-2.1
4/21 21:40	64.8	↓-2.2	最大潮位差
4/21 21:50	62.6	↓-2.2	最大潮位差
4/21 22:00	60.5	↓-2.1
4/21 22:10	58.3	↓-2.2	最大潮位差
4/21 22:20	56.2	↓-2.1
4/21 22:30	54.2	↓-2.0
4/21 22:40	52.2	↓-2.0
4/21 22:50	50.3	↓-1.9
4/21 23:00	48.5	↓-1.8
4/21 23:10	46.7	↓-1.8
4/21 23:20	45.1	↓-1.6
4/21 23:30	43.6	↓-1.5
4/21 23:40	42.2	↓-1.4
4/21 23:50	40.9	↓-1.3