20 (月)	06:39	00:07	18:19	11:47
	85cm	44cm	107cm	53cm
若潮 出 07:17 入 17:14 出 02:22 入 13:30

八幡（福岡）2049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	43.4	↓-0.1	干潮
12/20 00:10	43.4	0
12/20 00:20	43.5	↑0.1
12/20 00:30	43.8	↑0.3
12/20 00:40	44.1	↑0.3
12/20 00:50	44.6	↑0.5
12/20 01:00	45.2	↑0.6
12/20 01:10	46.0	↑0.8
12/20 01:20	46.8	↑0.8
12/20 01:30	47.8	↑1.0
12/20 01:40	48.8	↑1.0
12/20 01:50	50.0	↑1.2
12/20 02:00	51.3	↑1.3
12/20 02:10	52.6	↑1.3
12/20 02:20	54.0	↑1.4
12/20 02:30	55.5	↑1.5
12/20 02:40	57.0	↑1.5
12/20 02:50	58.6	↑1.6
12/20 03:00	60.2	↑1.6
12/20 03:10	61.9	↑1.7
12/20 03:20	63.5	↑1.6
12/20 03:30	65.2	↑1.7
12/20 03:40	66.8	↑1.6
12/20 03:50	68.4	↑1.6
12/20 04:00	69.9	↑1.5
12/20 04:10	71.5	↑1.6
12/20 04:20	72.9	↑1.4
12/20 04:30	74.3	↑1.4
12/20 04:40	75.7	↑1.4
12/20 04:50	76.9	↑1.2
12/20 05:00	78.1	↑1.2
12/20 05:10	79.2	↑1.1
12/20 05:20	80.2	↑1.0
12/20 05:30	81.1	↑0.9
12/20 05:40	81.9	↑0.8
12/20 05:50	82.5	↑0.6
12/20 06:00	83.1	↑0.6
12/20 06:10	83.5	↑0.4
12/20 06:20	83.9	↑0.4
12/20 06:30	84.0	↑0.1	満潮
12/20 06:40	84.1	↑0.1
12/20 06:50	84.0	↓-0.1
12/20 07:00	83.7	↓-0.3
12/20 07:10	83.3	↓-0.4
12/20 07:20	82.8	↓-0.5
12/20 07:30	82.1	↓-0.7
12/20 07:40	81.3	↓-0.8
12/20 07:50	80.3	↓-1.0
12/20 08:00	79.2	↓-1.1
12/20 08:10	77.9	↓-1.3
12/20 08:20	76.6	↓-1.3
12/20 08:30	75.1	↓-1.5
12/20 08:40	73.6	↓-1.5
12/20 08:50	72.0	↓-1.6
12/20 09:00	70.3	↓-1.7
12/20 09:10	68.7	↓-1.6
12/20 09:20	67.0	↓-1.7
12/20 09:30	65.4	↓-1.6
12/20 09:40	63.8	↓-1.6
12/20 09:50	62.2	↓-1.6
12/20 10:00	60.7	↓-1.5
12/20 10:10	59.3	↓-1.4
12/20 10:20	58.1	↓-1.2
12/20 10:30	56.9	↓-1.2
12/20 10:40	55.9	↓-1.0
12/20 10:50	55.0	↓-0.9
12/20 11:00	54.2	↓-0.8
12/20 11:10	53.6	↓-0.6
12/20 11:20	53.1	↓-0.5
12/20 11:30	52.8	↓-0.3
12/20 11:40	52.6	↓-0.2	干潮
12/20 11:50	52.6	0
12/20 12:00	52.8	↑0.2
12/20 12:10	53.0	↑0.2
12/20 12:20	53.5	↑0.5
12/20 12:30	54.0	↑0.5
12/20 12:40	54.8	↑0.8
12/20 12:50	55.6	↑0.8
12/20 13:00	56.6	↑1.0
12/20 13:10	57.8	↑1.2
12/20 13:20	59.0	↑1.2
12/20 13:30	60.5	↑1.5
12/20 13:40	62.0	↑1.5
12/20 13:50	63.7	↑1.7
12/20 14:00	65.4	↑1.7
12/20 14:10	67.3	↑1.9
12/20 14:20	69.3	↑2.0
12/20 14:30	71.3	↑2.0
12/20 14:40	73.5	↑2.2
12/20 14:50	75.7	↑2.2
12/20 15:00	77.9	↑2.2
12/20 15:10	80.1	↑2.2
12/20 15:20	82.4	↑2.3
12/20 15:30	84.6	↑2.2
12/20 15:40	86.8	↑2.2
12/20 15:50	88.9	↑2.1
12/20 16:00	91.0	↑2.1
12/20 16:10	93.0	↑2.0
12/20 16:20	94.9	↑1.9
12/20 16:30	96.7	↑1.8
12/20 16:40	98.4	↑1.7
12/20 16:50	99.9	↑1.5
12/20 17:00	101.3	↑1.4
12/20 17:10	102.6	↑1.3
12/20 17:20	103.7	↑1.1
12/20 17:30	104.6	↑0.9
12/20 17:40	105.4	↑0.8
12/20 17:50	106.0	↑0.6
12/20 18:00	106.5	↑0.5
12/20 18:10	106.7	↑0.2	満潮
12/20 18:20	106.8	↑0.1
12/20 18:30	106.7	↓-0.1
12/20 18:40	106.4	↓-0.3
12/20 18:50	105.8	↓-0.6
12/20 19:00	105.1	↓-0.7
12/20 19:10	104.1	↓-1.0
12/20 19:20	103.0	↓-1.1
12/20 19:30	101.6	↓-1.4
12/20 19:40	100.0	↓-1.6
12/20 19:50	98.2	↓-1.8
12/20 20:00	96.3	↓-1.9
12/20 20:10	94.1	↓-2.2
12/20 20:20	91.7	↓-2.4
12/20 20:30	89.2	↓-2.5
12/20 20:40	86.6	↓-2.6
12/20 20:50	83.8	↓-2.8
12/20 21:00	80.9	↓-2.9
12/20 21:10	78.0	↓-2.9
12/20 21:20	75.0	↓-3.0
12/20 21:30	71.9	↓-3.1	最大潮位差
12/20 21:40	68.9	↓-3.0
12/20 21:50	65.9	↓-3.0
12/20 22:00	62.9	↓-3.0
12/20 22:10	60.0	↓-2.9
12/20 22:20	57.2	↓-2.8
12/20 22:30	54.5	↓-2.7
12/20 22:40	51.9	↓-2.6
12/20 22:50	49.4	↓-2.5
12/20 23:00	47.1	↓-2.3
12/20 23:10	44.9	↓-2.2
12/20 23:20	42.9	↓-2.0
12/20 23:30	41.0	↓-1.9
12/20 23:40	39.3	↓-1.7
12/20 23:50	37.8	↓-1.5