20 (月)	07:20	00:27	18:37	11:40
	70cm	27cm	98cm	59cm
長潮 出 06:57 入 18:07 出 13:22 入 02:44

八幡（福岡）2051年02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
2/20 00:00	27.3	↓-0.5
2/20 00:10	26.9	↓-0.4
2/20 00:20	26.8	↓-0.1	干潮
2/20 00:30	26.7	↓-0.1
2/20 00:40	26.9	↑0.2
2/20 00:50	27.2	↑0.3
2/20 01:00	27.6	↑0.4
2/20 01:10	28.2	↑0.6
2/20 01:20	28.9	↑0.7
2/20 01:30	29.8	↑0.9
2/20 01:40	30.7	↑0.9
2/20 01:50	31.8	↑1.1
2/20 02:00	33.0	↑1.2
2/20 02:10	34.3	↑1.3
2/20 02:20	35.7	↑1.4
2/20 02:30	37.1	↑1.4
2/20 02:40	38.6	↑1.5
2/20 02:50	40.2	↑1.6
2/20 03:00	41.8	↑1.6
2/20 03:10	43.4	↑1.6
2/20 03:20	45.0	↑1.6
2/20 03:30	46.6	↑1.6
2/20 03:40	48.3	↑1.7
2/20 03:50	49.9	↑1.6
2/20 04:00	51.4	↑1.5
2/20 04:10	53.0	↑1.6
2/20 04:20	54.5	↑1.5
2/20 04:30	55.9	↑1.4
2/20 04:40	57.4	↑1.5
2/20 04:50	58.7	↑1.3
2/20 05:00	60.0	↑1.3
2/20 05:10	61.2	↑1.2
2/20 05:20	62.4	↑1.2
2/20 05:30	63.4	↑1.0
2/20 05:40	64.4	↑1.0
2/20 05:50	65.3	↑0.9
2/20 06:00	66.1	↑0.8
2/20 06:10	66.9	↑0.8
2/20 06:20	67.5	↑0.6
2/20 06:30	68.0	↑0.5
2/20 06:40	68.5	↑0.5
2/20 06:50	68.8	↑0.3
2/20 07:00	69.0	↑0.2
2/20 07:10	69.2	↑0.2	満潮
2/20 07:20	69.2	0	満潮
2/20 07:30	69.1	↓-0.1
2/20 07:40	69.0	↓-0.1
2/20 07:50	68.8	↓-0.2
2/20 08:00	68.4	↓-0.4
2/20 08:10	68.0	↓-0.4
2/20 08:20	67.6	↓-0.4
2/20 08:30	67.0	↓-0.6
2/20 08:40	66.5	↓-0.5
2/20 08:50	65.9	↓-0.6
2/20 09:00	65.3	↓-0.6
2/20 09:10	64.6	↓-0.7
2/20 09:20	64.0	↓-0.6
2/20 09:30	63.3	↓-0.7
2/20 09:40	62.7	↓-0.6
2/20 09:50	62.1	↓-0.6
2/20 10:00	61.5	↓-0.6
2/20 10:10	61.0	↓-0.5
2/20 10:20	60.5	↓-0.5
2/20 10:30	60.0	↓-0.5
2/20 10:40	59.6	↓-0.4
2/20 10:50	59.3	↓-0.3
2/20 11:00	59.0	↓-0.3
2/20 11:10	58.8	↓-0.2
2/20 11:20	58.6	↓-0.2
2/20 11:30	58.5	↓-0.1	干潮
2/20 11:40	58.5	0	干潮
2/20 11:50	58.5	0
2/20 12:00	58.6	↑0.1
2/20 12:10	58.8	↑0.2
2/20 12:20	59.1	↑0.3
2/20 12:30	59.4	↑0.3
2/20 12:40	59.8	↑0.4
2/20 12:50	60.3	↑0.5
2/20 13:00	60.9	↑0.6
2/20 13:10	61.6	↑0.7
2/20 13:20	62.4	↑0.8
2/20 13:30	63.2	↑0.8
2/20 13:40	64.1	↑0.9
2/20 13:50	65.1	↑1.0
2/20 14:00	66.2	↑1.1
2/20 14:10	67.3	↑1.1
2/20 14:20	68.5	↑1.2
2/20 14:30	69.8	↑1.3
2/20 14:40	71.1	↑1.3
2/20 14:50	72.5	↑1.4
2/20 15:00	73.9	↑1.4
2/20 15:10	75.4	↑1.5
2/20 15:20	76.8	↑1.4
2/20 15:30	78.3	↑1.5
2/20 15:40	79.8	↑1.5
2/20 15:50	81.3	↑1.5
2/20 16:00	82.7	↑1.4
2/20 16:10	84.2	↑1.5
2/20 16:20	85.6	↑1.4
2/20 16:30	87.0	↑1.4
2/20 16:40	88.3	↑1.3
2/20 16:50	89.6	↑1.3
2/20 17:00	90.8	↑1.2
2/20 17:10	92.0	↑1.2
2/20 17:20	93.0	↑1.0
2/20 17:30	94.0	↑1.0
2/20 17:40	94.9	↑0.9
2/20 17:50	95.6	↑0.7
2/20 18:00	96.3	↑0.7
2/20 18:10	96.8	↑0.5
2/20 18:20	97.1	↑0.3
2/20 18:30	97.3	↑0.2	満潮
2/20 18:40	97.3	0
2/20 18:50	97.2	↓-0.1
2/20 19:00	96.8	↓-0.4
2/20 19:10	96.3	↓-0.5
2/20 19:20	95.5	↓-0.8
2/20 19:30	94.6	↓-0.9
2/20 19:40	93.5	↓-1.1
2/20 19:50	92.1	↓-1.4
2/20 20:00	90.6	↓-1.5
2/20 20:10	88.9	↓-1.7
2/20 20:20	87.0	↓-1.9
2/20 20:30	84.9	↓-2.1
2/20 20:40	82.7	↓-2.2
2/20 20:50	80.4	↓-2.3
2/20 21:00	77.9	↓-2.5
2/20 21:10	75.3	↓-2.6
2/20 21:20	72.6	↓-2.7
2/20 21:30	69.8	↓-2.8
2/20 21:40	67.0	↓-2.8
2/20 21:50	64.2	↓-2.8
2/20 22:00	61.3	↓-2.9	最大潮位差
2/20 22:10	58.4	↓-2.9	最大潮位差
2/20 22:20	55.6	↓-2.8
2/20 22:30	52.7	↓-2.9	最大潮位差
2/20 22:40	49.9	↓-2.8
2/20 22:50	47.1	↓-2.8
2/20 23:00	44.4	↓-2.7
2/20 23:10	41.8	↓-2.6
2/20 23:20	39.3	↓-2.5
2/20 23:30	36.8	↓-2.5
2/20 23:40	34.5	↓-2.3
2/20 23:50	32.3	↓-2.2