20 (火)	11:00	05:02	22:54	16:42
	109cm	-17cm	134cm	9cm
大潮 出 06:56 入 18:07 出 18:54 入 07:32

八幡（福岡）2057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	106.0	↓-4.5
2/20 00:10	101.2	↓-4.8
2/20 00:20	96.1	↓-5.1
2/20 00:30	90.8	↓-5.3
2/20 00:40	85.3	↓-5.5
2/20 00:50	79.7	↓-5.6
2/20 01:00	74.0	↓-5.7
2/20 01:10	68.2	↓-5.8	最大潮位差
2/20 01:20	62.4	↓-5.8	最大潮位差
2/20 01:30	56.7	↓-5.7
2/20 01:40	51.0	↓-5.7
2/20 01:50	45.5	↓-5.5
2/20 02:00	40.0	↓-5.5
2/20 02:10	34.7	↓-5.3
2/20 02:20	29.6	↓-5.1
2/20 02:30	24.6	↓-5.0
2/20 02:40	19.9	↓-4.7
2/20 02:50	15.4	↓-4.5
2/20 03:00	11.0	↓-4.4
2/20 03:10	7.0	↓-4.0
2/20 03:20	3.1	↓-3.9
2/20 03:30	-0.4	↓-3.5
2/20 03:40	-3.7	↓-3.3
2/20 03:50	-6.7	↓-3.0
2/20 04:00	-9.4	↓-2.7
2/20 04:10	-11.7	↓-2.3
2/20 04:20	-13.6	↓-1.9
2/20 04:30	-15.2	↓-1.6
2/20 04:40	-16.4	↓-1.2
2/20 04:50	-17.1	↓-0.7
2/20 05:00	-17.4	↓-0.3	干潮
2/20 05:10	-17.2	↑0.2
2/20 05:20	-16.6	↑0.6
2/20 05:30	-15.5	↑1.1
2/20 05:40	-13.9	↑1.6
2/20 05:50	-11.9	↑2.0
2/20 06:00	-9.4	↑2.5
2/20 06:10	-6.5	↑2.9
2/20 06:20	-3.2	↑3.3
2/20 06:30	0.5	↑3.7
2/20 06:40	4.6	↑4.1
2/20 06:50	8.9	↑4.3
2/20 07:00	13.6	↑4.7
2/20 07:10	18.4	↑4.8
2/20 07:20	23.5	↑5.1
2/20 07:30	28.7	↑5.2
2/20 07:40	34.1	↑5.4
2/20 07:50	39.5	↑5.4
2/20 08:00	44.9	↑5.4
2/20 08:10	50.4	↑5.5
2/20 08:20	55.8	↑5.4
2/20 08:30	61.1	↑5.3
2/20 08:40	66.3	↑5.2
2/20 08:50	71.3	↑5.0
2/20 09:00	76.2	↑4.9
2/20 09:10	80.8	↑4.6
2/20 09:20	85.2	↑4.4
2/20 09:30	89.3	↑4.1
2/20 09:40	93.1	↑3.8
2/20 09:50	96.5	↑3.4
2/20 10:00	99.6	↑3.1
2/20 10:10	102.2	↑2.6
2/20 10:20	104.4	↑2.2
2/20 10:30	106.1	↑1.7
2/20 10:40	107.3	↑1.2
2/20 10:50	108.0	↑0.7	満潮
2/20 11:00	108.3	↑0.3	満潮
2/20 11:10	107.9	↓-0.4
2/20 11:20	107.1	↓-0.8
2/20 11:30	105.8	↓-1.3
2/20 11:40	103.9	↓-1.9
2/20 11:50	101.6	↓-2.3
2/20 12:00	98.9	↓-2.7
2/20 12:10	95.7	↓-3.2
2/20 12:20	92.2	↓-3.5
2/20 12:30	88.3	↓-3.9
2/20 12:40	84.2	↓-4.1
2/20 12:50	79.9	↓-4.3
2/20 13:00	75.4	↓-4.5
2/20 13:10	70.8	↓-4.6
2/20 13:20	66.1	↓-4.7
2/20 13:30	61.4	↓-4.7
2/20 13:40	56.8	↓-4.6
2/20 13:50	52.2	↓-4.6
2/20 14:00	47.7	↓-4.5
2/20 14:10	43.4	↓-4.3
2/20 14:20	39.2	↓-4.2
2/20 14:30	35.3	↓-3.9
2/20 14:40	31.5	↓-3.8
2/20 14:50	28.0	↓-3.5
2/20 15:00	24.8	↓-3.2
2/20 15:10	21.8	↓-3.0
2/20 15:20	19.1	↓-2.7
2/20 15:30	16.6	↓-2.5
2/20 15:40	14.4	↓-2.2
2/20 15:50	12.6	↓-1.8
2/20 16:00	11.0	↓-1.6
2/20 16:10	9.7	↓-1.3
2/20 16:20	8.8	↓-0.9
2/20 16:30	8.2	↓-0.6
2/20 16:40	8.0	↓-0.2	干潮
2/20 16:50	8.2	↑0.2
2/20 17:00	8.7	↑0.5
2/20 17:10	9.6	↑0.9
2/20 17:20	10.9	↑1.3
2/20 17:30	12.7	↑1.8
2/20 17:40	14.8	↑2.1
2/20 17:50	17.3	↑2.5
2/20 18:00	20.2	↑2.9
2/20 18:10	23.5	↑3.3
2/20 18:20	27.1	↑3.6
2/20 18:30	31.1	↑4.0
2/20 18:40	35.4	↑4.3
2/20 18:50	39.9	↑4.5
2/20 19:00	44.7	↑4.8
2/20 19:10	49.6	↑4.9
2/20 19:20	54.8	↑5.2
2/20 19:30	60.0	↑5.2
2/20 19:40	65.3	↑5.3
2/20 19:50	70.6	↑5.3
2/20 20:00	75.9	↑5.3
2/20 20:10	81.1	↑5.2
2/20 20:20	86.3	↑5.2
2/20 20:30	91.4	↑5.1
2/20 20:40	96.3	↑4.9
2/20 20:50	101.0	↑4.7
2/20 21:00	105.5	↑4.5
2/20 21:10	109.7	↑4.2
2/20 21:20	113.7	↑4.0
2/20 21:30	117.4	↑3.7
2/20 21:40	120.7	↑3.3
2/20 21:50	123.7	↑3.0
2/20 22:00	126.3	↑2.6
2/20 22:10	128.6	↑2.3
2/20 22:20	130.4	↑1.8
2/20 22:30	131.8	↑1.4
2/20 22:40	132.6	↑0.8
2/20 22:50	133.1	↑0.5	満潮
2/20 23:00	133.0	↓-0.1
2/20 23:10	132.4	↓-0.6
2/20 23:20	131.3	↓-1.1
2/20 23:30	129.7	↓-1.6
2/20 23:40	127.5	↓-2.2
2/20 23:50	124.9	↓-2.6