31 (日)	10:15	04:08	21:48	15:37
	104cm	-3cm	139cm	37cm
大潮 出 07:22 入 17:21 出 16:54 入 06:47

八幡（福岡）2028年12月31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
12/31 00:00	76.9	↓-5.1	最大潮位差
12/31 00:10	71.8	↓-5.1	最大潮位差
12/31 00:20	66.7	↓-5.1	最大潮位差
12/31 00:30	61.7	↓-5.0
12/31 00:40	56.7	↓-5.0
12/31 00:50	51.9	↓-4.8
12/31 01:00	47.1	↓-4.8
12/31 01:10	42.5	↓-4.6
12/31 01:20	38.0	↓-4.5
12/31 01:30	33.8	↓-4.2
12/31 01:40	29.6	↓-4.2
12/31 01:50	25.7	↓-3.9
12/31 02:00	22.0	↓-3.7
12/31 02:10	18.4	↓-3.6
12/31 02:20	15.1	↓-3.3
12/31 02:30	12.0	↓-3.1
12/31 02:40	9.1	↓-2.9
12/31 02:50	6.5	↓-2.6
12/31 03:00	4.2	↓-2.3
12/31 03:10	2.1	↓-2.1
12/31 03:20	0.3	↓-1.8
12/31 03:30	-1.2	↓-1.5
12/31 03:40	-2.3	↓-1.1
12/31 03:50	-3.1	↓-0.8
12/31 04:00	-3.5	↓-0.4	干潮
12/31 04:10	-3.6	↓-0.1
12/31 04:20	-3.2	↑0.4
12/31 04:30	-2.5	↑0.7
12/31 04:40	-1.5	↑1.0
12/31 04:50	0.0	↑1.5
12/31 05:00	1.8	0
12/31 05:10	4.0	↑2.2
12/31 05:20	6.6	↑2.6
12/31 05:30	9.4	↑2.8
12/31 05:40	12.5	↑3.1
12/31 05:50	15.9	↑3.4
12/31 06:00	19.6	↑3.7
12/31 06:10	23.4	↑3.8
12/31 06:20	27.5	↑4.1
12/31 06:30	31.6	↑4.1
12/31 06:40	35.9	↑4.3
12/31 06:50	40.3	↑4.4
12/31 07:00	44.7	↑4.4
12/31 07:10	49.2	↑4.5
12/31 07:20	53.6	↑4.4
12/31 07:30	58.1	↑4.5
12/31 07:40	62.4	↑4.3
12/31 07:50	66.7	↑4.3
12/31 08:00	70.9	↑4.2
12/31 08:10	75.0	↑4.1
12/31 08:20	78.8	↑3.8
12/31 08:30	82.5	↑3.7
12/31 08:40	86.0	↑3.5
12/31 08:50	89.2	↑3.2
12/31 09:00	92.2	↑3.0
12/31 09:10	94.8	↑2.6
12/31 09:20	97.1	↑2.3
12/31 09:30	99.1	↑2.0
12/31 09:40	100.7	↑1.6
12/31 09:50	101.9	↑1.2
12/31 10:00	102.6	↑0.7
12/31 10:10	103.0	↑0.4	満潮
12/31 10:20	103.0	0
12/31 10:30	102.5	↓-0.5
12/31 10:40	101.6	↓-0.9
12/31 10:50	100.4	↓-1.2
12/31 11:00	98.7	↓-1.7
12/31 11:10	96.8	↓-1.9
12/31 11:20	94.5	↓-2.3
12/31 11:30	92.0	↓-2.5
12/31 11:40	89.2	↓-2.8
12/31 11:50	86.2	↓-3.0
12/31 12:00	83.1	↓-3.1
12/31 12:10	79.9	↓-3.2
12/31 12:20	76.6	↓-3.3
12/31 12:30	73.3	↓-3.3
12/31 12:40	70.0	↓-3.3
12/31 12:50	66.8	↓-3.2
12/31 13:00	63.6	↓-3.2
12/31 13:10	60.6	↓-3.0
12/31 13:20	57.7	↓-2.9
12/31 13:30	54.9	↓-2.8
12/31 13:40	52.2	↓-2.7
12/31 13:50	49.8	↓-2.4
12/31 14:00	47.5	↓-2.3
12/31 14:10	45.4	↓-2.1
12/31 14:20	43.5	↓-1.9
12/31 14:30	41.8	↓-1.7
12/31 14:40	40.3	↓-1.5
12/31 14:50	39.0	↓-1.3
12/31 15:00	37.9	↓-1.1
12/31 15:10	37.1	↓-0.8
12/31 15:20	36.6	↓-0.5
12/31 15:30	36.3	↓-0.3	干潮
12/31 15:40	36.2	↓-0.1
12/31 15:50	36.5	↑0.3
12/31 16:00	37.0	↑0.5
12/31 16:10	37.9	↑0.9
12/31 16:20	39.1	↑1.2
12/31 16:30	40.6	↑1.5
12/31 16:40	42.4	↑1.8
12/31 16:50	44.5	↑2.1
12/31 17:00	47.0	↑2.5
12/31 17:10	49.8	↑2.8
12/31 17:20	52.8	↑3.0
12/31 17:30	56.1	↑3.3
12/31 17:40	59.7	↑3.6
12/31 17:50	63.4	↑3.7
12/31 18:00	67.4	↑4.0
12/31 18:10	71.5	↑4.1
12/31 18:20	75.7	↑4.2
12/31 18:30	80.1	↑4.4
12/31 18:40	84.4	↑4.3
12/31 18:50	88.8	↑4.4
12/31 19:00	93.2	↑4.4
12/31 19:10	97.5	↑4.3
12/31 19:20	101.7	↑4.2
12/31 19:30	105.9	↑4.2
12/31 19:40	109.9	↑4.0
12/31 19:50	113.7	↑3.8
12/31 20:00	117.3	↑3.6
12/31 20:10	120.8	↑3.5
12/31 20:20	124.0	↑3.2
12/31 20:30	126.9	↑2.9
12/31 20:40	129.6	↑2.7
12/31 20:50	132.0	↑2.4
12/31 21:00	134.0	↑2.0
12/31 21:10	135.7	↑1.7
12/31 21:20	137.0	↑1.3
12/31 21:30	138.0	↑1.0
12/31 21:40	138.5	↑0.5	満潮
12/31 21:50	138.5	0
12/31 22:00	138.2	↓-0.3
12/31 22:10	137.4	↓-0.8
12/31 22:20	136.1	↓-1.3
12/31 22:30	134.3	↓-1.8
12/31 22:40	132.1	↓-2.2
12/31 22:50	129.4	↓-2.7
12/31 23:00	126.3	↓-3.1
12/31 23:10	122.8	↓-3.5
12/31 23:20	118.9	↓-3.9
12/31 23:30	114.6	↓-4.3
12/31 23:40	110.0	↓-4.6
12/31 23:50	105.1	↓-4.9