20 (月)	11:36	05:28	23:05	17:08
	117cm	-4cm	149cm	37cm
中潮 出 07:17 入 17:14 出 08:47 入 19:11

八幡（福岡）2055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	129.6	↓-4.3
12/20 00:10	124.9	↓-4.7
12/20 00:20	119.9	↓-5.0
12/20 00:30	114.7	↓-5.2
12/20 00:40	109.3	↓-5.4
12/20 00:50	103.7	↓-5.6
12/20 01:00	98.0	↓-5.7
12/20 01:10	92.2	↓-5.8	最大潮位差
12/20 01:20	86.4	↓-5.8	最大潮位差
12/20 01:30	80.6	↓-5.8	最大潮位差
12/20 01:40	74.9	↓-5.7
12/20 01:50	69.2	↓-5.7
12/20 02:00	63.7	↓-5.5
12/20 02:10	58.3	↓-5.4
12/20 02:20	53.0	↓-5.3
12/20 02:30	47.9	↓-5.1
12/20 02:40	42.9	↓-5.0
12/20 02:50	38.2	↓-4.7
12/20 03:00	33.6	↓-4.6
12/20 03:10	29.2	↓-4.4
12/20 03:20	25.0	↓-4.2
12/20 03:30	21.0	↓-4.0
12/20 03:40	17.3	↓-3.7
12/20 03:50	13.8	↓-3.5
12/20 04:00	10.5	↓-3.3
12/20 04:10	7.5	↓-3.0
12/20 04:20	4.8	↓-2.7
12/20 04:30	2.5	↓-2.3
12/20 04:40	0.4	↓-2.1
12/20 04:50	-1.3	↓-1.7
12/20 05:00	-2.6	↓-1.3
12/20 05:10	-3.5	↓-0.9
12/20 05:20	-4.0	↓-0.5	干潮
12/20 05:30	-4.1	↓-0.1
12/20 05:40	-3.8	↑0.3
12/20 05:50	-3.0	↑0.8
12/20 06:00	-1.8	↑1.2
12/20 06:10	-0.1	↑1.7
12/20 06:20	1.9	↑2.0
12/20 06:30	4.3	↑2.4
12/20 06:40	7.1	↑2.8
12/20 06:50	10.3	↑3.2
12/20 07:00	13.8	↑3.5
12/20 07:10	17.6	↑3.8
12/20 07:20	21.6	↑4.0
12/20 07:30	25.9	↑4.3
12/20 07:40	30.3	↑4.4
12/20 07:50	35.0	↑4.7
12/20 08:00	39.7	↑4.7
12/20 08:10	44.6	↑4.9
12/20 08:20	49.6	↑5.0
12/20 08:30	54.6	↑5.0
12/20 08:40	59.6	↑5.0
12/20 08:50	64.5	↑4.9
12/20 09:00	69.5	↑5.0
12/20 09:10	74.3	↑4.8
12/20 09:20	79.1	↑4.8
12/20 09:30	83.7	↑4.6
12/20 09:40	88.2	↑4.5
12/20 09:50	92.4	↑4.2
12/20 10:00	96.4	↑4.0
12/20 10:10	100.1	↑3.7
12/20 10:20	103.5	↑3.4
12/20 10:30	106.5	↑3.0
12/20 10:40	109.2	↑2.7
12/20 10:50	111.5	↑2.3
12/20 11:00	113.3	↑1.8
12/20 11:10	114.7	↑1.4
12/20 11:20	115.7	↑1.0
12/20 11:30	116.1	↑0.4	満潮
12/20 11:40	116.1	0
12/20 11:50	115.7	↓-0.4
12/20 12:00	114.8	↓-0.9
12/20 12:10	113.4	↓-1.4
12/20 12:20	111.7	↓-1.7
12/20 12:30	109.6	↓-2.1
12/20 12:40	107.1	↓-2.5
12/20 12:50	104.3	↓-2.8
12/20 13:00	101.3	↓-3.0
12/20 13:10	98.1	↓-3.2
12/20 13:20	94.7	↓-3.4
12/20 13:30	91.2	↓-3.5
12/20 13:40	87.6	↓-3.6
12/20 13:50	83.9	↓-3.7
12/20 14:00	80.2	↓-3.7
12/20 14:10	76.6	↓-3.6
12/20 14:20	73.0	↓-3.6
12/20 14:30	69.5	↓-3.5
12/20 14:40	66.0	↓-3.5
12/20 14:50	62.7	↓-3.3
12/20 15:00	59.6	↓-3.1
12/20 15:10	56.5	↓-3.1
12/20 15:20	53.6	↓-2.9
12/20 15:30	50.9	↓-2.7
12/20 15:40	48.4	↓-2.5
12/20 15:50	46.1	↓-2.3
12/20 16:00	43.9	↓-2.2
12/20 16:10	42.1	↓-1.8
12/20 16:20	40.4	↓-1.7
12/20 16:30	39.1	↓-1.3
12/20 16:40	38.0	↓-1.1
12/20 16:50	37.3	↓-0.7
12/20 17:00	36.8	↓-0.5	干潮
12/20 17:10	36.8	0
12/20 17:20	37.1	↑0.3
12/20 17:30	37.8	↑0.7
12/20 17:40	38.9	↑1.1
12/20 17:50	40.4	↑1.5
12/20 18:00	42.3	↑1.9
12/20 18:10	44.6	↑2.3
12/20 18:20	47.3	↑2.7
12/20 18:30	50.3	↑3.0
12/20 18:40	53.7	↑3.4
12/20 18:50	57.4	↑3.7
12/20 19:00	61.4	↑4.0
12/20 19:10	65.7	↑4.3
12/20 19:20	70.2	↑4.5
12/20 19:30	74.9	↑4.7
12/20 19:40	79.7	↑4.8
12/20 19:50	84.6	↑4.9
12/20 20:00	89.5	↑4.9
12/20 20:10	94.4	↑4.9
12/20 20:20	99.4	↑5.0
12/20 20:30	104.2	↑4.8
12/20 20:40	109.0	↑4.8
12/20 20:50	113.6	↑4.6
12/20 21:00	118.1	↑4.5
12/20 21:10	122.4	↑4.3
12/20 21:20	126.4	↑4.0
12/20 21:30	130.2	↑3.8
12/20 21:40	133.8	↑3.6
12/20 21:50	137.0	↑3.2
12/20 22:00	139.8	↑2.8
12/20 22:10	142.4	↑2.6
12/20 22:20	144.5	↑2.1
12/20 22:30	146.3	↑1.8
12/20 22:40	147.6	↑1.3
12/20 22:50	148.4	↑0.8
12/20 23:00	148.9	↑0.5	満潮
12/20 23:10	148.8	↓-0.1
12/20 23:20	148.2	↓-0.6
12/20 23:30	147.2	↓-1.0
12/20 23:40	145.6	↓-1.6
12/20 23:50	143.6	↓-2.0