20 (水)	11:44	05:41	23:47	17:47
	115cm	3cm	117cm	9cm
中潮 出 06:57 入 18:07 出 08:08 入 20:48

八幡（福岡）2064年02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
2/20 00:00	117.9	↓-1.8
2/20 00:10	115.6	↓-2.3
2/20 00:20	112.9	↓-2.7
2/20 00:30	109.7	↓-3.2
2/20 00:40	106.2	↓-3.5
2/20 00:50	102.4	↓-3.8
2/20 01:00	98.2	↓-4.2
2/20 01:10	93.8	↓-4.4
2/20 01:20	89.2	↓-4.6
2/20 01:30	84.4	↓-4.8
2/20 01:40	79.5	↓-4.9
2/20 01:50	74.5	↓-5.0
2/20 02:00	69.4	↓-5.1	最大潮位差
2/20 02:10	64.4	↓-5.0
2/20 02:20	59.4	↓-5.0
2/20 02:30	54.6	↓-4.8
2/20 02:40	49.8	↓-4.8
2/20 02:50	45.2	↓-4.6
2/20 03:00	40.7	↓-4.5
2/20 03:10	36.4	↓-4.3
2/20 03:20	32.4	↓-4.0
2/20 03:30	28.5	↓-3.9
2/20 03:40	24.9	↓-3.6
2/20 03:50	21.5	↓-3.4
2/20 04:00	18.3	↓-3.2
2/20 04:10	15.4	↓-2.9
2/20 04:20	12.8	↓-2.6
2/20 04:30	10.4	↓-2.4
2/20 04:40	8.3	↓-2.1
2/20 04:50	6.4	↓-1.9
2/20 05:00	4.9	↓-1.5
2/20 05:10	3.7	↓-1.2
2/20 05:20	2.8	↓-0.9
2/20 05:30	2.3	↓-0.5
2/20 05:40	2.1	↓-0.2	干潮
2/20 05:50	2.3	↑0.2
2/20 06:00	2.9	↑0.6
2/20 06:10	3.9	↑1.0
2/20 06:20	5.3	↑1.4
2/20 06:30	7.0	↑1.7
2/20 06:40	9.2	↑2.2
2/20 06:50	11.7	↑2.5
2/20 07:00	14.5	↑2.8
2/20 07:10	17.7	↑3.2
2/20 07:20	21.3	↑3.6
2/20 07:30	25.1	↑3.8
2/20 07:40	29.1	↑4.0
2/20 07:50	33.4	↑4.3
2/20 08:00	37.9	↑4.5
2/20 08:10	42.5	↑4.6
2/20 08:20	47.3	↑4.8
2/20 08:30	52.1	↑4.8
2/20 08:40	56.9	↑4.8
2/20 08:50	61.7	↑4.8
2/20 09:00	66.5	↑4.8
2/20 09:10	71.3	↑4.8
2/20 09:20	75.9	↑4.6
2/20 09:30	80.4	↑4.5
2/20 09:40	84.7	↑4.3
2/20 09:50	88.9	↑4.2
2/20 10:00	92.8	↑3.9
2/20 10:10	96.4	↑3.6
2/20 10:20	99.8	↑3.4
2/20 10:30	102.9	↑3.1
2/20 10:40	105.7	↑2.8
2/20 10:50	108.1	↑2.4
2/20 11:00	110.2	↑2.1
2/20 11:10	111.8	↑1.6
2/20 11:20	113.0	↑1.2
2/20 11:30	113.8	↑0.8
2/20 11:40	114.2	↑0.4	満潮
2/20 11:50	114.1	↓-0.1
2/20 12:00	113.5	↓-0.6
2/20 12:10	112.5	↓-1.0
2/20 12:20	111.0	↓-1.5
2/20 12:30	109.1	↓-1.9
2/20 12:40	106.7	↓-2.4
2/20 12:50	103.9	↓-2.8
2/20 13:00	100.8	↓-3.1
2/20 13:10	97.3	↓-3.5
2/20 13:20	93.5	↓-3.8
2/20 13:30	89.5	↓-4.0
2/20 13:40	85.2	↓-4.3
2/20 13:50	80.7	↓-4.5
2/20 14:00	76.2	↓-4.5
2/20 14:10	71.5	↓-4.7
2/20 14:20	66.8	↓-4.7
2/20 14:30	62.2	↓-4.6
2/20 14:40	57.5	↓-4.7
2/20 14:50	53.0	↓-4.5
2/20 15:00	48.6	↓-4.4
2/20 15:10	44.3	↓-4.3
2/20 15:20	40.2	↓-4.1
2/20 15:30	36.2	↓-4.0
2/20 15:40	32.5	↓-3.7
2/20 15:50	29.0	↓-3.5
2/20 16:00	25.8	↓-3.2
2/20 16:10	22.7	↓-3.1
2/20 16:20	20.0	↓-2.7
2/20 16:30	17.5	↓-2.5
2/20 16:40	15.2	↓-2.3
2/20 16:50	13.3	↓-1.9
2/20 17:00	11.6	↓-1.7
2/20 17:10	10.3	↓-1.3
2/20 17:20	9.2	↓-1.1
2/20 17:30	8.5	↓-0.7
2/20 17:40	8.1	↓-0.4	干潮
2/20 17:50	8.1	0
2/20 18:00	8.4	↑0.3
2/20 18:10	9.1	↑0.7
2/20 18:20	10.2	↑1.1
2/20 18:30	11.6	↑1.4
2/20 18:40	13.5	↑1.9
2/20 18:50	15.7	↑2.2
2/20 19:00	18.3	↑2.6
2/20 19:10	21.2	↑2.9
2/20 19:20	24.5	↑3.3
2/20 19:30	28.0	↑3.5
2/20 19:40	31.9	↑3.9
2/20 19:50	36.0	↑4.1
2/20 20:00	40.3	↑4.3
2/20 20:10	44.8	↑4.5
2/20 20:20	49.4	↑4.6
2/20 20:30	54.1	↑4.7
2/20 20:40	58.9	↑4.8
2/20 20:50	63.6	↑4.7
2/20 21:00	68.4	↑4.8
2/20 21:10	73.1	↑4.7
2/20 21:20	77.7	↑4.6
2/20 21:30	82.2	↑4.5
2/20 21:40	86.5	↑4.3
2/20 21:50	90.6	↑4.1
2/20 22:00	94.5	↑3.9
2/20 22:10	98.1	↑3.6
2/20 22:20	101.5	↑3.4
2/20 22:30	104.6	↑3.1
2/20 22:40	107.4	↑2.8
2/20 22:50	109.8	↑2.4
2/20 23:00	111.9	↑2.1
2/20 23:10	113.6	↑1.7
2/20 23:20	114.9	↑1.3
2/20 23:30	115.7	↑0.8
2/20 23:40	116.2	↑0.5	満潮
2/20 23:50	116.3	↑0.1