20 (土)	02:45	07:44	14:24	22:44
	70cm	48cm	90cm	40cm
小潮 出 06:57 入 18:07 出 11:36 入 01:02

八幡（福岡）2021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	54.3	↑1.5
2/20 00:10	55.8	↑1.5
2/20 00:20	57.2	↑1.4
2/20 00:30	58.6	↑1.4
2/20 00:40	60.0	↑1.4
2/20 00:50	61.3	↑1.3
2/20 01:00	62.6	↑1.3
2/20 01:10	63.7	↑1.1
2/20 01:20	64.8	↑1.1
2/20 01:30	65.8	↑1.0
2/20 01:40	66.7	↑0.9
2/20 01:50	67.4	↑0.7
2/20 02:00	68.1	↑0.7
2/20 02:10	68.6	↑0.5
2/20 02:20	69.0	↑0.4
2/20 02:30	69.3	↑0.3
2/20 02:40	69.4	↑0.1	満潮
2/20 02:50	69.4	0
2/20 03:00	69.2	↓-0.2
2/20 03:10	69.0	↓-0.2
2/20 03:20	68.6	↓-0.4
2/20 03:30	68.0	↓-0.6
2/20 03:40	67.4	↓-0.6
2/20 03:50	66.6	↓-0.8
2/20 04:00	65.8	↓-0.8
2/20 04:10	64.8	↓-1.0
2/20 04:20	63.8	↓-1.0
2/20 04:30	62.7	↓-1.1
2/20 04:40	61.6	↓-1.1
2/20 04:50	60.4	↓-1.2
2/20 05:00	59.3	↓-1.1
2/20 05:10	58.1	↓-1.2
2/20 05:20	56.9	↓-1.2
2/20 05:30	55.8	↓-1.1
2/20 05:40	54.7	↓-1.1
2/20 05:50	53.7	↓-1.0
2/20 06:00	52.7	↓-1.0
2/20 06:10	51.8	↓-0.9
2/20 06:20	50.9	↓-0.9
2/20 06:30	50.2	↓-0.7
2/20 06:40	49.5	↓-0.7
2/20 06:50	48.9	↓-0.6
2/20 07:00	48.4	↓-0.5
2/20 07:10	48.0	↓-0.4
2/20 07:20	47.7	↓-0.3
2/20 07:30	47.5	↓-0.2
2/20 07:40	47.5	0	干潮
2/20 07:50	47.5	0
2/20 08:00	47.6	↑0.1
2/20 08:10	47.9	↑0.3
2/20 08:20	48.2	↑0.3
2/20 08:30	48.7	↑0.5
2/20 08:40	49.3	↑0.6
2/20 08:50	50.0	↑0.7
2/20 09:00	50.8	↑0.8
2/20 09:10	51.7	↑0.9
2/20 09:20	52.7	↑1.0
2/20 09:30	53.9	↑1.2
2/20 09:40	55.1	↑1.2
2/20 09:50	56.5	↑1.4
2/20 10:00	57.9	↑1.4
2/20 10:10	59.4	↑1.5
2/20 10:20	61.0	↑1.6
2/20 10:30	62.6	↑1.6
2/20 10:40	64.2	↑1.6
2/20 10:50	65.9	↑1.7
2/20 11:00	67.7	↑1.8	最大潮位差
2/20 11:10	69.4	↑1.7
2/20 11:20	71.1	↑1.7
2/20 11:30	72.8	↑1.7
2/20 11:40	74.4	↑1.6
2/20 11:50	76.0	↑1.6
2/20 12:00	77.6	↑1.6
2/20 12:10	79.1	↑1.5
2/20 12:20	80.5	↑1.4
2/20 12:30	81.8	↑1.3
2/20 12:40	83.0	↑1.2
2/20 12:50	84.2	↑1.2
2/20 13:00	85.2	↑1.0
2/20 13:10	86.1	↑0.9
2/20 13:20	86.9	↑0.8
2/20 13:30	87.6	↑0.7
2/20 13:40	88.2	↑0.6
2/20 13:50	88.6	↑0.4
2/20 14:00	89.0	↑0.4
2/20 14:10	89.2	↑0.2
2/20 14:20	89.3	↑0.1	満潮
2/20 14:30	89.3	0
2/20 14:40	89.1	↓-0.2
2/20 14:50	88.9	↓-0.2
2/20 15:00	88.5	↓-0.4
2/20 15:10	88.0	↓-0.5
2/20 15:20	87.4	↓-0.6
2/20 15:30	86.7	↓-0.7
2/20 15:40	85.9	↓-0.8
2/20 15:50	85.1	↓-0.8
2/20 16:00	84.1	↓-1.0
2/20 16:10	83.0	↓-1.1
2/20 16:20	81.9	↓-1.1
2/20 16:30	80.7	↓-1.2
2/20 16:40	79.5	↓-1.2
2/20 16:50	78.2	↓-1.3
2/20 17:00	76.9	↓-1.3
2/20 17:10	75.6	↓-1.3
2/20 17:20	74.2	↓-1.4
2/20 17:30	72.8	↓-1.4
2/20 17:40	71.4	↓-1.4
2/20 17:50	70.0	↓-1.4
2/20 18:00	68.5	↓-1.5
2/20 18:10	67.1	↓-1.4
2/20 18:20	65.7	↓-1.4
2/20 18:30	64.3	↓-1.4
2/20 18:40	62.8	↓-1.5
2/20 18:50	61.4	↓-1.4
2/20 19:00	60.0	↓-1.4
2/20 19:10	58.6	↓-1.4
2/20 19:20	57.2	↓-1.4
2/20 19:30	55.8	↓-1.4
2/20 19:40	54.5	↓-1.3
2/20 19:50	53.1	↓-1.4
2/20 20:00	51.8	↓-1.3
2/20 20:10	50.5	↓-1.3
2/20 20:20	49.3	↓-1.2
2/20 20:30	48.1	↓-1.2
2/20 20:40	46.9	↓-1.2
2/20 20:50	45.8	↓-1.1
2/20 21:00	44.8	↓-1.0
2/20 21:10	43.9	↓-0.9
2/20 21:20	43.0	↓-0.9
2/20 21:30	42.2	↓-0.8
2/20 21:40	41.5	↓-0.7
2/20 21:50	40.9	↓-0.6
2/20 22:00	40.4	↓-0.5
2/20 22:10	40.0	↓-0.4
2/20 22:20	39.7	↓-0.3
2/20 22:30	39.6	↓-0.1
2/20 22:40	39.5	↓-0.1	干潮
2/20 22:50	39.5	0
2/20 23:00	39.6	↑0.1
2/20 23:10	39.8	↑0.2
2/20 23:20	40.1	↑0.3
2/20 23:30	40.5	↑0.4
2/20 23:40	41.0	↑0.5
2/20 23:50	41.5	↑0.5