20 (木)	09:32	03:30	21:16	15:09
	102cm	-9cm	135cm	14cm
大潮 出 06:57 入 18:07 出 05:32 入 16:41 潮干狩り ◎ 13:29～16:41

八幡（福岡）2031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	53.3	↓-4.8
2/20 00:10	48.6	↓-4.7
2/20 00:20	43.9	↓-4.7
2/20 00:30	39.3	↓-4.6
2/20 00:40	34.9	↓-4.4
2/20 00:50	30.5	↓-4.4
2/20 01:00	26.3	↓-4.2
2/20 01:10	22.2	↓-4.1
2/20 01:20	18.3	↓-3.9
2/20 01:30	14.6	↓-3.7
2/20 01:40	11.1	↓-3.5
2/20 01:50	7.8	↓-3.3
2/20 02:00	4.7	↓-3.1
2/20 02:10	1.9	↓-2.8
2/20 02:20	-0.7	↓-2.6
2/20 02:30	-3.0	↓-2.3
2/20 02:40	-4.9	↓-1.9
2/20 02:50	-6.6	↓-1.7
2/20 03:00	-7.8	↓-1.2
2/20 03:10	-8.7	↓-0.9
2/20 03:20	-9.3	↓-0.6	干潮
2/20 03:30	-9.4	↓-0.1	干潮
2/20 03:40	-9.2	↑0.2
2/20 03:50	-8.5	↑0.7
2/20 04:00	-7.5	↑1.0
2/20 04:10	-6.1	↑1.4
2/20 04:20	-4.3	↑1.8
2/20 04:30	-2.1	↑2.2
2/20 04:40	0.3	↑2.4
2/20 04:50	3.1	↑2.8
2/20 05:00	6.2	↑3.1
2/20 05:10	9.6	↑3.4
2/20 05:20	13.3	↑3.7
2/20 05:30	17.1	↑3.8
2/20 05:40	21.2	↑4.1
2/20 05:50	25.4	↑4.2
2/20 06:00	29.8	↑4.4
2/20 06:10	34.3	↑4.5
2/20 06:20	38.9	↑4.6
2/20 06:30	43.5	↑4.6
2/20 06:40	48.2	↑4.7
2/20 06:50	52.9	↑4.7
2/20 07:00	57.5	↑4.6
2/20 07:10	62.1	↑4.6
2/20 07:20	66.7	↑4.6
2/20 07:30	71.0	↑4.3
2/20 07:40	75.3	↑4.3
2/20 07:50	79.3	↑4.0
2/20 08:00	83.1	↑3.8
2/20 08:10	86.6	↑3.5
2/20 08:20	89.8	↑3.2
2/20 08:30	92.6	↑2.8
2/20 08:40	95.1	↑2.5
2/20 08:50	97.2	↑2.1
2/20 09:00	98.9	↑1.7
2/20 09:10	100.1	↑1.2
2/20 09:20	100.8	↑0.7
2/20 09:30	101.1	↑0.3	満潮
2/20 09:40	101.0	↓-0.1
2/20 09:50	100.3	↓-0.7
2/20 10:00	99.3	↓-1.0
2/20 10:10	97.8	↓-1.5
2/20 10:20	95.9	↓-1.9
2/20 10:30	93.7	↓-2.2
2/20 10:40	91.1	↓-2.6
2/20 10:50	88.2	↓-2.9
2/20 11:00	85.0	↓-3.2
2/20 11:10	81.6	↓-3.4
2/20 11:20	78.1	↓-3.5
2/20 11:30	74.3	↓-3.8
2/20 11:40	70.5	↓-3.8
2/20 11:50	66.6	↓-3.9
2/20 12:00	62.7	↓-3.9
2/20 12:10	58.8	↓-3.9
2/20 12:20	54.9	↓-3.9
2/20 12:30	51.0	↓-3.9
2/20 12:40	47.2	↓-3.8
2/20 12:50	43.5	↓-3.7
2/20 13:00	40.0	↓-3.5
2/20 13:10	36.5	↓-3.5
2/20 13:20	33.2	↓-3.3
2/20 13:30	30.2	↓-3.0
2/20 13:40	27.3	↓-2.9
2/20 13:50	24.6	↓-2.7
2/20 14:00	22.1	↓-2.5
2/20 14:10	20.0	↓-2.1
2/20 14:20	18.1	↓-1.9
2/20 14:30	16.5	↓-1.6
2/20 14:40	15.3	↓-1.2
2/20 14:50	14.4	↓-0.9
2/20 15:00	13.8	↓-0.6	干潮
2/20 15:10	13.7	↓-0.1
2/20 15:20	14.0	↑0.3
2/20 15:30	14.6	↑0.6
2/20 15:40	15.7	↑1.1
2/20 15:50	17.2	↑1.5
2/20 16:00	19.1	↑1.9
2/20 16:10	21.5	↑2.4
2/20 16:20	24.2	↑2.7
2/20 16:30	27.3	↑3.1
2/20 16:40	30.7	↑3.4
2/20 16:50	34.4	↑3.7
2/20 17:00	38.5	↑4.1
2/20 17:10	42.8	↑4.3
2/20 17:20	47.3	↑4.5
2/20 17:30	52.0	↑4.7
2/20 17:40	56.9	↑4.9
2/20 17:50	61.8	↑4.9
2/20 18:00	66.9	↑5.1
2/20 18:10	72.0	↑5.1
2/20 18:20	77.0	↑5.0
2/20 18:30	82.1	↑5.1
2/20 18:40	87.1	↑5.0
2/20 18:50	92.0	↑4.9
2/20 19:00	96.8	↑4.8
2/20 19:10	101.4	↑4.6
2/20 19:20	105.9	↑4.5
2/20 19:30	110.1	↑4.2
2/20 19:40	114.1	↑4.0
2/20 19:50	117.8	↑3.7
2/20 20:00	121.2	↑3.4
2/20 20:10	124.3	↑3.1
2/20 20:20	127.0	↑2.7
2/20 20:30	129.3	↑2.3
2/20 20:40	131.2	↑1.9
2/20 20:50	132.6	↑1.4
2/20 21:00	133.6	↑1.0
2/20 21:10	134.1	↑0.5	満潮
2/20 21:20	134.1	0
2/20 21:30	133.6	↓-0.5
2/20 21:40	132.6	↓-1.0
2/20 21:50	131.1	↓-1.5
2/20 22:00	129.1	↓-2.0
2/20 22:10	126.6	↓-2.5
2/20 22:20	123.7	↓-2.9
2/20 22:30	120.4	↓-3.3
2/20 22:40	116.7	↓-3.7
2/20 22:50	112.6	↓-4.1
2/20 23:00	108.2	↓-4.4
2/20 23:10	103.5	↓-4.7
2/20 23:20	98.7	↓-4.8
2/20 23:30	93.6	↓-5.1
2/20 23:40	88.4	↓-5.2
2/20 23:50	83.0	↓-5.4	最大潮位差