20 (火)	11:00	05:00	-	17:43
	146cm	27cm	-	-2cm
中潮 出 05:41 入 18:53 出 21:27 入 06:53

八幡（福岡）2049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	116.0	↓-1.5
4/20 00:10	114.0	↓-2.0
4/20 00:20	111.5	↓-2.5
4/20 00:30	108.7	↓-2.8
4/20 00:40	105.5	↓-3.2
4/20 00:50	102.0	↓-3.5
4/20 01:00	98.2	↓-3.8
4/20 01:10	94.2	↓-4.0
4/20 01:20	90.1	↓-4.1
4/20 01:30	85.7	↓-4.4
4/20 01:40	81.3	↓-4.4
4/20 01:50	76.9	↓-4.4
4/20 02:00	72.5	↓-4.4
4/20 02:10	68.1	↓-4.4
4/20 02:20	63.9	↓-4.2
4/20 02:30	59.7	↓-4.2
4/20 02:40	55.8	↓-3.9
4/20 02:50	52.0	↓-3.8
4/20 03:00	48.4	↓-3.6
4/20 03:10	45.0	↓-3.4
4/20 03:20	41.9	↓-3.1
4/20 03:30	39.1	↓-2.8
4/20 03:40	36.5	↓-2.6
4/20 03:50	34.2	↓-2.3
4/20 04:00	32.2	↓-2.0
4/20 04:10	30.4	↓-1.8
4/20 04:20	29.0	↓-1.4
4/20 04:30	27.8	↓-1.2
4/20 04:40	27.0	↓-0.8
4/20 04:50	26.6	↓-0.4	干潮
4/20 05:00	26.4	↓-0.2	干潮
4/20 05:10	26.7	↑0.3
4/20 05:20	27.3	↑0.6
4/20 05:30	28.3	↑1.0
4/20 05:40	29.6	↑1.3
4/20 05:50	31.4	↑1.8
4/20 06:00	33.5	↑2.1
4/20 06:10	36.1	↑2.6
4/20 06:20	39.0	↑2.9
4/20 06:30	42.4	↑3.4
4/20 06:40	46.0	↑3.6
4/20 06:50	50.0	↑4.0
4/20 07:00	54.4	↑4.4
4/20 07:10	59.0	↑4.6
4/20 07:20	63.8	↑4.8
4/20 07:30	68.8	↑5.0
4/20 07:40	74.0	↑5.2
4/20 07:50	79.3	↑5.3
4/20 08:00	84.6	↑5.3
4/20 08:10	89.9	↑5.3
4/20 08:20	95.3	↑5.4
4/20 08:30	100.5	↑5.2
4/20 08:40	105.6	↑5.1
4/20 08:50	110.5	↑4.9
4/20 09:00	115.3	↑4.8
4/20 09:10	119.8	↑4.5
4/20 09:20	124.0	↑4.2
4/20 09:30	128.0	↑4.0
4/20 09:40	131.6	↑3.6
4/20 09:50	134.8	↑3.2
4/20 10:00	137.7	↑2.9
4/20 10:10	140.2	↑2.5
4/20 10:20	142.2	↑2.0
4/20 10:30	143.8	↑1.6
4/20 10:40	145.0	↑1.2
4/20 10:50	145.6	↑0.6	満潮
4/20 11:00	145.8	↑0.2	満潮
4/20 11:10	145.5	↓-0.3
4/20 11:20	144.7	↓-0.8
4/20 11:30	143.4	↓-1.3
4/20 11:40	141.5	↓-1.9
4/20 11:50	139.2	↓-2.3
4/20 12:00	136.3	↓-2.9
4/20 12:10	133.0	↓-3.3
4/20 12:20	129.2	↓-3.8
4/20 12:30	124.9	↓-4.3
4/20 12:40	120.3	↓-4.6
4/20 12:50	115.3	↓-5.0
4/20 13:00	110.0	↓-5.3
4/20 13:10	104.4	↓-5.6
4/20 13:20	98.6	↓-5.8
4/20 13:30	92.6	↓-6.0
4/20 13:40	86.6	↓-6.0
4/20 13:50	80.4	↓-6.2	最大潮位差
4/20 14:00	74.3	↓-6.1
4/20 14:10	68.2	↓-6.1
4/20 14:20	62.2	↓-6.0
4/20 14:30	56.3	↓-5.9
4/20 14:40	50.7	↓-5.6
4/20 14:50	45.2	↓-5.5
4/20 15:00	40.0	↓-5.2
4/20 15:10	35.0	↓-5.0
4/20 15:20	30.3	↓-4.7
4/20 15:30	25.9	↓-4.4
4/20 15:40	21.8	↓-4.1
4/20 15:50	18.0	↓-3.8
4/20 16:00	14.6	↓-3.4
4/20 16:10	11.4	↓-3.2
4/20 16:20	8.5	↓-2.9
4/20 16:30	6.0	↓-2.5
4/20 16:40	3.7	↓-2.3
4/20 16:50	1.8	↓-1.9
4/20 17:00	0.2	↓-1.6
4/20 17:10	-1.0	↓-1.2
4/20 17:20	-2.0	↓-1.0
4/20 17:30	-2.6	↓-0.6
4/20 17:40	-2.8	↓-0.2	干潮
4/20 17:50	-2.7	↑0.1
4/20 18:00	-2.2	↑0.5
4/20 18:10	-1.4	↑0.8
4/20 18:20	-0.2	↑1.2
4/20 18:30	1.4	↑1.6
4/20 18:40	3.4	↑2.0
4/20 18:50	5.7	↑2.3
4/20 19:00	8.4	↑2.7
4/20 19:10	11.5	↑3.1
4/20 19:20	14.8	↑3.3
4/20 19:30	18.4	↑3.6
4/20 19:40	22.3	↑3.9
4/20 19:50	26.5	↑4.2
4/20 20:00	30.8	↑4.3
4/20 20:10	35.3	↑4.5
4/20 20:20	40.0	↑4.7
4/20 20:30	44.7	↑4.7
4/20 20:40	49.5	↑4.8
4/20 20:50	54.3	↑4.8
4/20 21:00	59.1	↑4.8
4/20 21:10	63.8	↑4.7
4/20 21:20	68.5	↑4.7
4/20 21:30	73.1	↑4.6
4/20 21:40	77.5	↑4.4
4/20 21:50	81.9	↑4.4
4/20 22:00	86.0	↑4.1
4/20 22:10	89.9	↑3.9
4/20 22:20	93.6	↑3.7
4/20 22:30	97.0	↑3.4
4/20 22:40	100.2	↑3.2
4/20 22:50	103.1	↑2.9
4/20 23:00	105.7	↑2.6
4/20 23:10	107.9	↑2.2
4/20 23:20	109.8	↑1.9
4/20 23:30	111.3	↑1.5
4/20 23:40	112.4	↑1.1
4/20 23:50	113.1	↑0.7