20 (木)	11:18	05:13	23:15	17:12
	114cm	-9cm	129cm	3cm
大潮 出 06:57 入 18:07 出 07:40 入 19:41

八幡（福岡）2053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	113.5	↓-3.8
2/20 00:10	109.3	↓-4.2
2/20 00:20	104.8	↓-4.5
2/20 00:30	99.9	↓-4.9
2/20 00:40	94.7	↓-5.2
2/20 00:50	89.3	↓-5.4
2/20 01:00	83.8	↓-5.5
2/20 01:10	78.1	↓-5.7
2/20 01:20	72.4	↓-5.7
2/20 01:30	66.7	↓-5.7
2/20 01:40	60.9	↓-5.8	最大潮位差
2/20 01:50	55.3	↓-5.6
2/20 02:00	49.8	↓-5.5
2/20 02:10	44.4	↓-5.4
2/20 02:20	39.2	↓-5.2
2/20 02:30	34.2	↓-5.0
2/20 02:40	29.4	↓-4.8
2/20 02:50	24.8	↓-4.6
2/20 03:00	20.5	↓-4.3
2/20 03:10	16.5	↓-4.0
2/20 03:20	12.6	↓-3.9
2/20 03:30	9.1	↓-3.5
2/20 03:40	5.8	↓-3.3
2/20 03:50	2.8	↓-3.0
2/20 04:00	0.1	↓-2.7
2/20 04:10	-2.3	↓-2.4
2/20 04:20	-4.4	↓-2.1
2/20 04:30	-6.2	↓-1.8
2/20 04:40	-7.6	↓-1.4
2/20 04:50	-8.6	↓-1.0
2/20 05:00	-9.3	↓-0.7
2/20 05:10	-9.6	↓-0.3	干潮
2/20 05:20	-9.5	↑0.1
2/20 05:30	-9.0	↑0.5
2/20 05:40	-8.1	↑0.9
2/20 05:50	-6.7	↑1.4
2/20 06:00	-4.9	↑1.8
2/20 06:10	-2.7	↑2.2
2/20 06:20	0.0	↑2.7
2/20 06:30	3.0	0
2/20 06:40	6.4	↑3.4
2/20 06:50	10.2	↑3.8
2/20 07:00	14.3	↑4.1
2/20 07:10	18.7	↑4.4
2/20 07:20	23.3	↑4.6
2/20 07:30	28.1	↑4.8
2/20 07:40	33.1	↑5.0
2/20 07:50	38.2	↑5.1
2/20 08:00	43.4	↑5.2
2/20 08:10	48.7	↑5.3
2/20 08:20	53.9	↑5.2
2/20 08:30	59.2	↑5.3
2/20 08:40	64.4	↑5.2
2/20 08:50	69.5	↑5.1
2/20 09:00	74.4	↑4.9
2/20 09:10	79.2	↑4.8
2/20 09:20	83.8	↑4.6
2/20 09:30	88.2	↑4.4
2/20 09:40	92.4	↑4.2
2/20 09:50	96.2	↑3.8
2/20 10:00	99.8	↑3.6
2/20 10:10	103.0	↑3.2
2/20 10:20	105.8	↑2.8
2/20 10:30	108.3	↑2.5
2/20 10:40	110.3	↑2.0
2/20 10:50	111.9	↑1.6
2/20 11:00	113.0	↑1.1
2/20 11:10	113.6	↑0.6	満潮
2/20 11:20	113.7	↑0.1
2/20 11:30	113.3	↓-0.4
2/20 11:40	112.4	↓-0.9
2/20 11:50	111.0	↓-1.4
2/20 12:00	109.0	↓-2.0
2/20 12:10	106.6	↓-2.4
2/20 12:20	103.8	↓-2.8
2/20 12:30	100.5	↓-3.3
2/20 12:40	96.8	↓-3.7
2/20 12:50	92.8	↓-4.0
2/20 13:00	88.5	↓-4.3
2/20 13:10	83.9	↓-4.6
2/20 13:20	79.1	↓-4.8
2/20 13:30	74.2	↓-4.9
2/20 13:40	69.2	↓-5.0
2/20 13:50	64.1	↓-5.1
2/20 14:00	59.1	↓-5.0
2/20 14:10	54.1	↓-5.0
2/20 14:20	49.3	↓-4.8
2/20 14:30	44.5	↓-4.8
2/20 14:40	39.9	↓-4.6
2/20 14:50	35.5	↓-4.4
2/20 15:00	31.3	↓-4.2
2/20 15:10	27.4	↓-3.9
2/20 15:20	23.7	↓-3.7
2/20 15:30	20.2	↓-3.5
2/20 15:40	17.0	↓-3.2
2/20 15:50	14.1	↓-2.9
2/20 16:00	11.5	↓-2.6
2/20 16:10	9.2	↓-2.3
2/20 16:20	7.2	↓-2.0
2/20 16:30	5.6	↓-1.6
2/20 16:40	4.2	↓-1.4
2/20 16:50	3.3	↓-0.9
2/20 17:00	2.7	↓-0.6
2/20 17:10	2.4	↓-0.3	干潮
2/20 17:20	2.6	↑0.2
2/20 17:30	3.2	↑0.6
2/20 17:40	4.2	↑1.0
2/20 17:50	5.7	↑1.5
2/20 18:00	7.6	↑1.9
2/20 18:10	9.9	↑2.3
2/20 18:20	12.6	↑2.7
2/20 18:30	15.7	↑3.1
2/20 18:40	19.3	↑3.6
2/20 18:50	23.2	↑3.9
2/20 19:00	27.4	↑4.2
2/20 19:10	32.0	↑4.6
2/20 19:20	36.8	↑4.8
2/20 19:30	41.9	↑5.1
2/20 19:40	47.2	↑5.3
2/20 19:50	52.5	↑5.3
2/20 20:00	58.0	↑5.5
2/20 20:10	63.6	↑5.6
2/20 20:20	69.1	↑5.5
2/20 20:30	74.6	↑5.5
2/20 20:40	80.0	↑5.4
2/20 20:50	85.3	↑5.3
2/20 21:00	90.4	↑5.1
2/20 21:10	95.4	↑5.0
2/20 21:20	100.1	↑4.7
2/20 21:30	104.5	↑4.4
2/20 21:40	108.7	↑4.2
2/20 21:50	112.5	↑3.8
2/20 22:00	116.0	↑3.5
2/20 22:10	119.1	↑3.1
2/20 22:20	121.9	↑2.8
2/20 22:30	124.2	↑2.3
2/20 22:40	126.1	↑1.9
2/20 22:50	127.5	↑1.4
2/20 23:00	128.4	↑0.9
2/20 23:10	128.9	↑0.5	満潮
2/20 23:20	128.8	↓-0.1
2/20 23:30	128.2	↓-0.6
2/20 23:40	127.2	↓-1.0
2/20 23:50	125.5	↓-1.7