31 (金)	00:45	07:49	13:50	19:34
	128cm	19cm	96cm	45cm
中潮 出 07:22 入 17:20 出 11:20 入 22:45 潮干狩り ○ 07:22～09:20

八幡（福岡）2038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	123.8	↑1.7
12/31 00:10	125.1	↑1.3
12/31 00:20	126.1	↑1.0
12/31 00:30	126.8	↑0.7
12/31 00:40	127.1	↑0.3	満潮
12/31 00:50	127.0	↓-0.1
12/31 01:00	126.6	↓-0.4
12/31 01:10	125.8	↓-0.8
12/31 01:20	124.7	↓-1.1
12/31 01:30	123.2	↓-1.5
12/31 01:40	121.3	↓-1.9
12/31 01:50	119.2	↓-2.1
12/31 02:00	116.7	↓-2.5
12/31 02:10	113.9	↓-2.8
12/31 02:20	110.9	↓-3.0
12/31 02:30	107.6	↓-3.3
12/31 02:40	104.1	↓-3.5
12/31 02:50	100.5	↓-3.6
12/31 03:00	96.7	↓-3.8
12/31 03:10	92.9	↓-3.8
12/31 03:20	89.0	↓-3.9
12/31 03:30	85.0	↓-4.0	最大潮位差
12/31 03:40	81.1	↓-3.9
12/31 03:50	77.2	↓-3.9
12/31 04:00	73.3	↓-3.9
12/31 04:10	69.4	↓-3.9
12/31 04:20	65.7	↓-3.7
12/31 04:30	62.0	↓-3.7
12/31 04:40	58.4	↓-3.6
12/31 04:50	55.0	↓-3.4
12/31 05:00	51.6	↓-3.4
12/31 05:10	48.4	↓-3.2
12/31 05:20	45.3	↓-3.1
12/31 05:30	42.2	↓-3.1
12/31 05:40	39.4	↓-2.8
12/31 05:50	36.6	↓-2.8
12/31 06:00	34.0	↓-2.6
12/31 06:10	31.6	↓-2.4
12/31 06:20	29.3	↓-2.3
12/31 06:30	27.2	↓-2.1
12/31 06:40	25.3	↓-1.9
12/31 06:50	23.6	↓-1.7
12/31 07:00	22.2	↓-1.4
12/31 07:10	20.9	↓-1.3
12/31 07:20	20.0	↓-0.9
12/31 07:30	19.3	↓-0.7
12/31 07:40	18.9	↓-0.4	干潮
12/31 07:50	18.8	↓-0.1
12/31 08:00	19.0	↑0.2
12/31 08:10	19.5	↑0.5
12/31 08:20	20.3	↑0.8
12/31 08:30	21.4	↑1.1
12/31 08:40	22.8	↑1.4
12/31 08:50	24.4	↑1.6
12/31 09:00	26.3	↑1.9
12/31 09:10	28.5	↑2.2
12/31 09:20	30.8	↑2.3
12/31 09:30	33.4	↑2.6
12/31 09:40	36.1	↑2.7
12/31 09:50	39.0	↑2.9
12/31 10:00	42.0	↑3.0
12/31 10:10	45.0	↑3.0
12/31 10:20	48.2	↑3.2
12/31 10:30	51.4	↑3.2
12/31 10:40	54.6	↑3.2
12/31 10:50	57.9	↑3.3
12/31 11:00	61.1	↑3.2
12/31 11:10	64.3	↑3.2
12/31 11:20	67.5	↑3.2
12/31 11:30	70.6	↑3.1
12/31 11:40	73.5	↑2.9
12/31 11:50	76.4	↑2.9
12/31 12:00	79.2	↑2.8
12/31 12:10	81.8	↑2.6
12/31 12:20	84.2	↑2.4
12/31 12:30	86.4	↑2.2
12/31 12:40	88.4	↑2.0
12/31 12:50	90.2	↑1.8
12/31 13:00	91.7	↑1.5
12/31 13:10	93.0	↑1.3
12/31 13:20	94.0	↑1.0
12/31 13:30	94.7	↑0.7
12/31 13:40	95.1	↑0.4	満潮
12/31 13:50	95.2	↑0.1	満潮
12/31 14:00	95.0	↓-0.2
12/31 14:10	94.6	↓-0.4
12/31 14:20	93.9	↓-0.7
12/31 14:30	92.9	↓-1.0
12/31 14:40	91.7	↓-1.2
12/31 14:50	90.3	↓-1.4
12/31 15:00	88.7	↓-1.6
12/31 15:10	86.9	↓-1.8
12/31 15:20	85.0	↓-1.9
12/31 15:30	83.0	↓-2.0
12/31 15:40	80.8	↓-2.2
12/31 15:50	78.7	↓-2.1
12/31 16:00	76.4	↓-2.3
12/31 16:10	74.2	↓-2.2
12/31 16:20	72.0	↓-2.2
12/31 16:30	69.8	↓-2.2
12/31 16:40	67.6	↓-2.2
12/31 16:50	65.5	↓-2.1
12/31 17:00	63.4	↓-2.1
12/31 17:10	61.4	↓-2.0
12/31 17:20	59.4	↓-2.0
12/31 17:30	57.5	↓-1.9
12/31 17:40	55.7	↓-1.8
12/31 17:50	54.0	↓-1.7
12/31 18:00	52.4	↓-1.6
12/31 18:10	50.9	↓-1.5
12/31 18:20	49.5	↓-1.4
12/31 18:30	48.3	↓-1.2
12/31 18:40	47.2	↓-1.1
12/31 18:50	46.2	↓-1.0
12/31 19:00	45.4	↓-0.8
12/31 19:10	44.8	↓-0.6
12/31 19:20	44.4	↓-0.4
12/31 19:30	44.2	↓-0.2	干潮
12/31 19:40	44.3	↑0.1
12/31 19:50	44.6	↑0.3
12/31 20:00	45.1	↑0.5
12/31 20:10	45.9	↑0.8
12/31 20:20	47.0	↑1.1
12/31 20:30	48.3	↑1.3
12/31 20:40	49.8	↑1.5
12/31 20:50	51.6	↑1.8
12/31 21:00	53.7	↑2.1
12/31 21:10	55.9	↑2.2
12/31 21:20	58.3	↑2.4
12/31 21:30	60.9	↑2.6
12/31 21:40	63.7	↑2.8
12/31 21:50	66.5	↑2.8
12/31 22:00	69.5	↑3.0
12/31 22:10	72.5	↑3.0
12/31 22:20	75.6	↑3.1
12/31 22:30	78.6	↑3.0
12/31 22:40	81.7	↑3.1
12/31 22:50	84.7	↑3.0
12/31 23:00	87.7	↑3.0
12/31 23:10	90.6	↑2.9
12/31 23:20	93.4	↑2.8
12/31 23:30	96.0	↑2.6
12/31 23:40	98.6	↑2.6
12/31 23:50	100.9	↑2.3