31 (木)	07:08	00:23	18:30	12:00
	84cm	31cm	114cm	52cm
若潮 出 07:22 入 17:21 出 02:54 入 13:32

八幡（福岡）2048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	30.7	↓-0.4
12/31 00:10	30.4	↓-0.3
12/31 00:20	30.3	↓-0.1	干潮
12/31 00:30	30.3	0
12/31 00:40	30.5	↑0.2
12/31 00:50	30.9	↑0.4
12/31 01:00	31.4	↑0.5
12/31 01:10	32.0	↑0.6
12/31 01:20	32.8	↑0.8
12/31 01:30	33.8	↑1.0
12/31 01:40	34.9	↑1.1
12/31 01:50	36.1	↑1.2
12/31 02:00	37.5	↑1.4
12/31 02:10	38.9	↑1.4
12/31 02:20	40.5	↑1.6
12/31 02:30	42.2	↑1.7
12/31 02:40	44.0	↑1.8
12/31 02:50	45.9	↑1.9
12/31 03:00	47.8	↑1.9
12/31 03:10	49.8	↑2.0
12/31 03:20	51.8	↑2.0
12/31 03:30	53.8	↑2.0
12/31 03:40	55.9	↑2.1
12/31 03:50	58.0	↑2.1
12/31 04:00	60.0	↑2.0
12/31 04:10	62.0	↑2.0
12/31 04:20	64.0	↑2.0
12/31 04:30	65.9	↑1.9
12/31 04:40	67.8	↑1.9
12/31 04:50	69.5	↑1.7
12/31 05:00	71.3	↑1.8
12/31 05:10	72.9	↑1.6
12/31 05:20	74.4	↑1.5
12/31 05:30	75.9	↑1.5
12/31 05:40	77.2	↑1.3
12/31 05:50	78.4	↑1.2
12/31 06:00	79.5	↑1.1
12/31 06:10	80.5	↑1.0
12/31 06:20	81.3	↑0.8
12/31 06:30	82.0	↑0.7
12/31 06:40	82.5	↑0.5
12/31 06:50	82.9	↑0.4
12/31 07:00	83.1	↑0.2	満潮
12/31 07:10	83.1	0
12/31 07:20	82.9	↓-0.2
12/31 07:30	82.6	↓-0.3
12/31 07:40	82.1	↓-0.5
12/31 07:50	81.4	↓-0.7
12/31 08:00	80.6	↓-0.8
12/31 08:10	79.5	↓-1.1
12/31 08:20	78.4	↓-1.1
12/31 08:30	77.1	↓-1.3
12/31 08:40	75.6	↓-1.5
12/31 08:50	74.1	↓-1.5
12/31 09:00	72.4	↓-1.7
12/31 09:10	70.7	↓-1.7
12/31 09:20	69.0	↓-1.7
12/31 09:30	67.2	↓-1.8
12/31 09:40	65.5	↓-1.7
12/31 09:50	63.7	↓-1.8
12/31 10:00	62.1	↓-1.6
12/31 10:10	60.4	↓-1.7
12/31 10:20	58.9	↓-1.5
12/31 10:30	57.5	↓-1.4
12/31 10:40	56.2	↓-1.3
12/31 10:50	55.1	↓-1.1
12/31 11:00	54.0	↓-1.1
12/31 11:10	53.2	↓-0.8
12/31 11:20	52.5	↓-0.7
12/31 11:30	51.9	↓-0.6
12/31 11:40	51.5	↓-0.4
12/31 11:50	51.3	↓-0.2	干潮
12/31 12:00	51.3	0	干潮
12/31 12:10	51.4	↑0.1
12/31 12:20	51.6	↑0.2
12/31 12:30	52.1	↑0.5
12/31 12:40	52.7	↑0.6
12/31 12:50	53.4	↑0.7
12/31 13:00	54.3	↑0.9
12/31 13:10	55.4	↑1.1
12/31 13:20	56.7	↑1.3
12/31 13:30	58.1	↑1.4
12/31 13:40	59.6	↑1.5
12/31 13:50	61.3	↑1.7
12/31 14:00	63.2	↑1.9
12/31 14:10	65.2	↑2.0
12/31 14:20	67.3	↑2.1
12/31 14:30	69.5	↑2.2
12/31 14:40	71.9	↑2.4
12/31 14:50	74.3	↑2.4
12/31 15:00	76.8	↑2.5
12/31 15:10	79.3	↑2.5
12/31 15:20	81.9	↑2.6
12/31 15:30	84.5	↑2.6
12/31 15:40	87.0	↑2.5
12/31 15:50	89.6	↑2.6
12/31 16:00	92.1	↑2.5
12/31 16:10	94.5	↑2.4
12/31 16:20	96.8	↑2.3
12/31 16:30	99.1	↑2.3
12/31 16:40	101.2	↑2.1
12/31 16:50	103.2	↑2.0
12/31 17:00	105.0	↑1.8
12/31 17:10	106.7	↑1.7
12/31 17:20	108.2	↑1.5
12/31 17:30	109.5	↑1.3
12/31 17:40	110.7	↑1.2
12/31 17:50	111.6	↑0.9
12/31 18:00	112.3	↑0.7
12/31 18:10	112.9	↑0.6
12/31 18:20	113.2	↑0.3	満潮
12/31 18:30	113.3	↑0.1	満潮
12/31 18:40	113.1	↓-0.2
12/31 18:50	112.7	↓-0.4
12/31 19:00	112.1	↓-0.6
12/31 19:10	111.2	↓-0.9
12/31 19:20	110.1	↓-1.1
12/31 19:30	108.7	↓-1.4
12/31 19:40	107.1	↓-1.6
12/31 19:50	105.2	↓-1.9
12/31 20:00	103.1	↓-2.1
12/31 20:10	100.7	↓-2.4
12/31 20:20	98.1	↓-2.6
12/31 20:30	95.3	↓-2.8
12/31 20:40	92.2	↓-3.1
12/31 20:50	89.0	↓-3.2
12/31 21:00	85.7	↓-3.3
12/31 21:10	82.2	↓-3.5
12/31 21:20	78.6	↓-3.6
12/31 21:30	74.9	↓-3.7
12/31 21:40	71.2	↓-3.7
12/31 21:50	67.5	↓-3.7
12/31 22:00	63.7	↓-3.8	最大潮位差
12/31 22:10	60.0	↓-3.7
12/31 22:20	56.4	↓-3.6
12/31 22:30	52.9	↓-3.5
12/31 22:40	49.5	↓-3.4
12/31 22:50	46.2	↓-3.3
12/31 23:00	43.0	↓-3.2
12/31 23:10	40.0	↓-3.0
12/31 23:20	37.2	↓-2.8
12/31 23:30	34.5	↓-2.7
12/31 23:40	32.0	↓-2.5
12/31 23:50	29.7	↓-2.3