20 (土)	08:13	01:57	19:49	13:19
	89cm	31cm	117cm	60cm
中潮 出 07:18 入 17:14 出 14:18 入 03:57

八幡（福岡）2064年12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
12/20 00:00	43.6	↓-2.2
12/20 00:10	41.5	↓-2.1
12/20 00:20	39.6	↓-1.9
12/20 00:30	37.8	↓-1.8
12/20 00:40	36.2	↓-1.6
12/20 00:50	34.7	↓-1.5
12/20 01:00	33.5	↓-1.2
12/20 01:10	32.4	↓-1.1
12/20 01:20	31.5	↓-0.9
12/20 01:30	30.9	↓-0.6
12/20 01:40	30.4	↓-0.5
12/20 01:50	30.2	↓-0.2	干潮
12/20 02:00	30.2	0
12/20 02:10	30.4	↑0.2
12/20 02:20	30.8	↑0.4
12/20 02:30	31.4	↑0.6
12/20 02:40	32.2	↑0.8
12/20 02:50	33.3	↑1.1
12/20 03:00	34.5	↑1.2
12/20 03:10	36.0	↑1.5
12/20 03:20	37.6	↑1.6
12/20 03:30	39.3	↑1.7
12/20 03:40	41.2	↑1.9
12/20 03:50	43.2	↑2.0
12/20 04:00	45.4	↑2.2
12/20 04:10	47.6	↑2.2
12/20 04:20	49.9	↑2.3
12/20 04:30	52.2	↑2.3
12/20 04:40	54.6	↑2.4
12/20 04:50	56.9	↑2.3
12/20 05:00	59.3	↑2.4
12/20 05:10	61.7	↑2.4
12/20 05:20	64.1	↑2.4
12/20 05:30	66.4	↑2.3
12/20 05:40	68.7	↑2.3
12/20 05:50	70.9	↑2.2
12/20 06:00	73.0	↑2.1
12/20 06:10	75.1	↑2.1
12/20 06:20	77.0	↑1.9
12/20 06:30	78.9	↑1.9
12/20 06:40	80.6	↑1.7
12/20 06:50	82.2	↑1.6
12/20 07:00	83.7	↑1.5
12/20 07:10	85.0	↑1.3
12/20 07:20	86.1	↑1.1
12/20 07:30	87.0	↑0.9
12/20 07:40	87.8	↑0.8
12/20 07:50	88.3	↑0.5
12/20 08:00	88.7	↑0.4
12/20 08:10	88.8	↑0.1	満潮
12/20 08:20	88.7	↓-0.1
12/20 08:30	88.5	↓-0.2
12/20 08:40	88.0	↓-0.5
12/20 08:50	87.3	↓-0.7
12/20 09:00	86.5	↓-0.8
12/20 09:10	85.5	↓-1.0
12/20 09:20	84.4	↓-1.1
12/20 09:30	83.1	↓-1.3
12/20 09:40	81.7	↓-1.4
12/20 09:50	80.3	↓-1.4
12/20 10:00	78.8	↓-1.5
12/20 10:10	77.3	↓-1.5
12/20 10:20	75.7	↓-1.6
12/20 10:30	74.2	↓-1.5
12/20 10:40	72.7	↓-1.5
12/20 10:50	71.3	↓-1.4
12/20 11:00	69.9	↓-1.4
12/20 11:10	68.6	↓-1.3
12/20 11:20	67.3	↓-1.3
12/20 11:30	66.2	↓-1.1
12/20 11:40	65.1	↓-1.1
12/20 11:50	64.1	↓-1.0
12/20 12:00	63.3	↓-0.8
12/20 12:10	62.5	↓-0.8
12/20 12:20	61.8	↓-0.7
12/20 12:30	61.3	↓-0.5
12/20 12:40	60.8	↓-0.5
12/20 12:50	60.4	↓-0.4
12/20 13:00	60.2	↓-0.2
12/20 13:10	60.0	↓-0.2	干潮
12/20 13:20	60.0	0
12/20 13:30	60.1	↑0.1
12/20 13:40	60.3	↑0.2
12/20 13:50	60.6	↑0.3
12/20 14:00	61.1	↑0.5
12/20 14:10	61.7	↑0.6
12/20 14:20	62.5	↑0.8
12/20 14:30	63.4	↑0.9
12/20 14:40	64.5	↑1.1
12/20 14:50	65.7	↑1.2
12/20 15:00	67.0	↑1.3
12/20 15:10	68.5	↑1.5
12/20 15:20	70.2	↑1.7
12/20 15:30	71.9	↑1.7
12/20 15:40	73.8	↑1.9
12/20 15:50	75.8	↑2.0
12/20 16:00	77.9	↑2.1
12/20 16:10	80.1	↑2.2
12/20 16:20	82.3	↑2.2
12/20 16:30	84.5	↑2.2
12/20 16:40	86.8	↑2.3
12/20 16:50	89.1	↑2.3
12/20 17:00	91.4	↑2.3
12/20 17:10	93.7	↑2.3
12/20 17:20	95.9	↑2.2
12/20 17:30	98.1	↑2.2
12/20 17:40	100.3	↑2.2
12/20 17:50	102.3	↑2.0
12/20 18:00	104.3	↑2.0
12/20 18:10	106.2	↑1.9
12/20 18:20	108.0	↑1.8
12/20 18:30	109.6	↑1.6
12/20 18:40	111.2	↑1.6
12/20 18:50	112.5	↑1.3
12/20 19:00	113.7	↑1.2
12/20 19:10	114.7	↑1.0
12/20 19:20	115.5	↑0.8
12/20 19:30	116.0	↑0.5
12/20 19:40	116.3	↑0.3	満潮
12/20 19:50	116.4	↑0.1
12/20 20:00	116.2	↓-0.2
12/20 20:10	115.7	↓-0.5
12/20 20:20	114.9	↓-0.8
12/20 20:30	113.9	↓-1.0
12/20 20:40	112.5	↓-1.4
12/20 20:50	110.9	↓-1.6
12/20 21:00	109.0	↓-1.9
12/20 21:10	106.8	↓-2.2
12/20 21:20	104.3	↓-2.5
12/20 21:30	101.6	↓-2.7
12/20 21:40	98.7	↓-2.9
12/20 21:50	95.6	↓-3.1
12/20 22:00	92.3	↓-3.3
12/20 22:10	88.9	↓-3.4
12/20 22:20	85.4	↓-3.5
12/20 22:30	81.8	↓-3.6
12/20 22:40	78.1	↓-3.7	最大潮位差
12/20 22:50	74.4	↓-3.7	最大潮位差
12/20 23:00	70.8	↓-3.6
12/20 23:10	67.1	↓-3.7	最大潮位差
12/20 23:20	63.5	↓-3.6
12/20 23:30	60.0	↓-3.5
12/20 23:40	56.6	↓-3.4
12/20 23:50	53.2	↓-3.4