20 (火)	09:57	03:57	21:50	15:35
	103cm	-21cm	142cm	9cm
大潮 出 06:57 入 18:07 出 17:22 入 06:12 潮干狩り ◎ 13:38～17:19

八幡（福岡）2046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	69.2	↓-5.8	最大潮位差
2/20 00:10	63.4	↓-5.8	最大潮位差
2/20 00:20	57.6	↓-5.8	最大潮位差
2/20 00:30	51.9	↓-5.7
2/20 00:40	46.2	↓-5.7
2/20 00:50	40.6	↓-5.6
2/20 01:00	35.2	↓-5.4
2/20 01:10	29.9	↓-5.3
2/20 01:20	24.7	↓-5.2
2/20 01:30	19.7	↓-5.0
2/20 01:40	14.9	↓-4.8
2/20 01:50	10.3	↓-4.6
2/20 02:00	6.0	↓-4.3
2/20 02:10	1.9	↓-4.1
2/20 02:20	-2.0	↓-3.9
2/20 02:30	-5.5	↓-3.5
2/20 02:40	-8.8	↓-3.3
2/20 02:50	-11.7	↓-2.9
2/20 03:00	-14.3	↓-2.6
2/20 03:10	-16.5	↓-2.2
2/20 03:20	-18.3	↓-1.8
2/20 03:30	-19.7	↓-1.4
2/20 03:40	-20.6	↓-0.9
2/20 03:50	-21.1	↓-0.5	干潮
2/20 04:00	-21.2	↓-0.1
2/20 04:10	-20.8	↑0.4
2/20 04:20	-19.9	↑0.9
2/20 04:30	-18.6	↑1.3
2/20 04:40	-16.8	↑1.8
2/20 04:50	-14.6	↑2.2
2/20 05:00	-11.9	↑2.7
2/20 05:10	-8.9	↑3.0
2/20 05:20	-5.5	↑3.4
2/20 05:30	-1.7	↑3.8
2/20 05:40	2.3	↑4.0
2/20 05:50	6.7	↑4.4
2/20 06:00	11.3	↑4.6
2/20 06:10	16.1	↑4.8
2/20 06:20	21.1	↑5.0
2/20 06:30	26.2	↑5.1
2/20 06:40	31.4	↑5.2
2/20 06:50	36.6	↑5.2
2/20 07:00	41.9	↑5.3
2/20 07:10	47.2	↑5.3
2/20 07:20	52.5	↑5.3
2/20 07:30	57.7	↑5.2
2/20 07:40	62.7	↑5.0
2/20 07:50	67.6	↑4.9
2/20 08:00	72.4	↑4.8
2/20 08:10	76.9	↑4.5
2/20 08:20	81.1	↑4.2
2/20 08:30	85.1	↑4.0
2/20 08:40	88.8	↑3.7
2/20 08:50	92.0	↑3.2
2/20 09:00	94.9	↑2.9
2/20 09:10	97.4	↑2.5
2/20 09:20	99.4	↑2.0
2/20 09:30	101.0	↑1.6
2/20 09:40	102.1	↑1.1
2/20 09:50	102.7	↑0.6	満潮
2/20 10:00	102.7	0
2/20 10:10	102.3	↓-0.4
2/20 10:20	101.4	↓-0.9
2/20 10:30	100.0	↓-1.4
2/20 10:40	98.1	↓-1.9
2/20 10:50	95.8	↓-2.3
2/20 11:00	93.1	↓-2.7
2/20 11:10	90.1	↓-3.0
2/20 11:20	86.7	↓-3.4
2/20 11:30	83.0	↓-3.7
2/20 11:40	79.1	↓-3.9
2/20 11:50	75.0	↓-4.1
2/20 12:00	70.8	↓-4.2
2/20 12:10	66.5	↓-4.3
2/20 12:20	62.2	↓-4.3
2/20 12:30	57.8	↓-4.4
2/20 12:40	53.5	↓-4.3
2/20 12:50	49.2	↓-4.3
2/20 13:00	45.0	↓-4.2
2/20 13:10	41.0	↓-4.0
2/20 13:20	37.1	↓-3.9
2/20 13:30	33.4	↓-3.7
2/20 13:40	29.8	↓-3.6
2/20 13:50	26.5	↓-3.3
2/20 14:00	23.4	↓-3.1
2/20 14:10	20.5	↓-2.9
2/20 14:20	17.9	↓-2.6
2/20 14:30	15.5	↓-2.4
2/20 14:40	13.5	↓-2.0
2/20 14:50	11.7	↓-1.8
2/20 15:00	10.3	↓-1.4
2/20 15:10	9.2	↓-1.1
2/20 15:20	8.5	↓-0.7
2/20 15:30	8.2	↓-0.3	干潮
2/20 15:40	8.2	0
2/20 15:50	8.6	↑0.4
2/20 16:00	9.5	↑0.9
2/20 16:10	10.8	↑1.3
2/20 16:20	12.5	↑1.7
2/20 16:30	14.6	↑2.1
2/20 16:40	17.1	↑2.5
2/20 16:50	20.1	↑3.0
2/20 17:00	23.4	↑3.3
2/20 17:10	27.1	↑3.7
2/20 17:20	31.1	↑4.0
2/20 17:30	35.5	↑4.4
2/20 17:40	40.1	↑4.6
2/20 17:50	45.0	↑4.9
2/20 18:00	50.1	↑5.1
2/20 18:10	55.4	↑5.3
2/20 18:20	60.8	↑5.4
2/20 18:30	66.2	↑5.4
2/20 18:40	71.8	↑5.6
2/20 18:50	77.3	↑5.5
2/20 19:00	82.9	↑5.6
2/20 19:10	88.3	↑5.4
2/20 19:20	93.7	↑5.4
2/20 19:30	99.0	↑5.3
2/20 19:40	104.1	↑5.1
2/20 19:50	109.0	↑4.9
2/20 20:00	113.6	↑4.6
2/20 20:10	118.0	↑4.4
2/20 20:20	122.2	↑4.2
2/20 20:30	126.0	↑3.8
2/20 20:40	129.4	↑3.4
2/20 20:50	132.5	↑3.1
2/20 21:00	135.1	↑2.6
2/20 21:10	137.3	↑2.2
2/20 21:20	139.1	↑1.8
2/20 21:30	140.3	↑1.2
2/20 21:40	141.1	↑0.8	満潮
2/20 21:50	141.3	↑0.2	満潮
2/20 22:00	140.9	↓-0.4
2/20 22:10	140.0	↓-0.9
2/20 22:20	138.5	↓-1.5
2/20 22:30	136.5	↓-2.0
2/20 22:40	134.0	↓-2.5
2/20 22:50	130.9	↓-3.1
2/20 23:00	127.4	↓-3.5
2/20 23:10	123.3	↓-4.1
2/20 23:20	118.8	↓-4.5
2/20 23:30	114.0	↓-4.8
2/20 23:40	108.8	↓-5.2
2/20 23:50	103.2	↓-5.6