20 (日)	08:41	02:00	19:02	12:35
	72cm	27cm	96cm	63cm
長潮 出 06:58 入 18:07 出 03:34 入 13:20

八幡（福岡）2028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	35.1	↓-1.4
2/20 00:10	33.8	↓-1.3
2/20 00:20	32.5	↓-1.3
2/20 00:30	31.3	↓-1.2
2/20 00:40	30.3	↓-1.0
2/20 00:50	29.3	↓-1.0
2/20 01:00	28.5	↓-0.8
2/20 01:10	27.8	↓-0.7
2/20 01:20	27.2	↓-0.6
2/20 01:30	26.7	↓-0.5
2/20 01:40	26.4	↓-0.3
2/20 01:50	26.2	↓-0.2	干潮
2/20 02:00	26.1	↓-0.1	干潮
2/20 02:10	26.2	↑0.1
2/20 02:20	26.4	↑0.2
2/20 02:30	26.7	↑0.3
2/20 02:40	27.2	↑0.5
2/20 02:50	27.8	↑0.6
2/20 03:00	28.6	↑0.8
2/20 03:10	29.4	↑0.8
2/20 03:20	30.4	↑1.0
2/20 03:30	31.5	↑1.1
2/20 03:40	32.7	↑1.2
2/20 03:50	34.0	↑1.3
2/20 04:00	35.4	↑1.4
2/20 04:10	36.8	↑1.4
2/20 04:20	38.3	↑1.5
2/20 04:30	39.9	↑1.6
2/20 04:40	41.6	↑1.7
2/20 04:50	43.3	↑1.7
2/20 05:00	45.1	↑1.8
2/20 05:10	46.8	↑1.7
2/20 05:20	48.6	↑1.8
2/20 05:30	50.4	↑1.8
2/20 05:40	52.2	↑1.8
2/20 05:50	54.0	↑1.8
2/20 06:00	55.8	↑1.8
2/20 06:10	57.5	↑1.7
2/20 06:20	59.2	↑1.7
2/20 06:30	60.7	↑1.5
2/20 06:40	62.2	↑1.5
2/20 06:50	63.7	↑1.5
2/20 07:00	65.0	↑1.3
2/20 07:10	66.2	↑1.2
2/20 07:20	67.3	↑1.1
2/20 07:30	68.2	↑0.9
2/20 07:40	69.0	↑0.8
2/20 07:50	69.7	↑0.7
2/20 08:00	70.3	↑0.6
2/20 08:10	70.7	↑0.4
2/20 08:20	71.0	↑0.3
2/20 08:30	71.1	↑0.1
2/20 08:40	71.2	↑0.1	満潮
2/20 08:50	71.1	↓-0.1
2/20 09:00	71.0	↓-0.1
2/20 09:10	70.8	↓-0.2
2/20 09:20	70.4	↓-0.4
2/20 09:30	70.1	↓-0.3
2/20 09:40	69.6	↓-0.5
2/20 09:50	69.2	↓-0.4
2/20 10:00	68.7	↓-0.5
2/20 10:10	68.2	↓-0.5
2/20 10:20	67.6	↓-0.6
2/20 10:30	67.1	↓-0.5
2/20 10:40	66.6	↓-0.5
2/20 10:50	66.0	↓-0.6
2/20 11:00	65.5	↓-0.5
2/20 11:10	65.1	↓-0.4
2/20 11:20	64.6	↓-0.5
2/20 11:30	64.2	↓-0.4
2/20 11:40	63.9	↓-0.3
2/20 11:50	63.5	↓-0.4
2/20 12:00	63.3	↓-0.2
2/20 12:10	63.1	↓-0.2
2/20 12:20	62.9	↓-0.2
2/20 12:30	62.9	0	干潮
2/20 12:40	62.9	0
2/20 12:50	63.0	↑0.1
2/20 13:00	63.1	↑0.1
2/20 13:10	63.4	↑0.3
2/20 13:20	63.7	↑0.3
2/20 13:30	64.2	↑0.5
2/20 13:40	64.7	↑0.5
2/20 13:50	65.3	↑0.6
2/20 14:00	66.0	↑0.7
2/20 14:10	66.8	↑0.8
2/20 14:20	67.7	↑0.9
2/20 14:30	68.7	↑1.0
2/20 14:40	69.7	↑1.0
2/20 14:50	70.8	↑1.1
2/20 15:00	72.0	↑1.2
2/20 15:10	73.2	↑1.2
2/20 15:20	74.4	↑1.2
2/20 15:30	75.7	↑1.3
2/20 15:40	76.9	↑1.2
2/20 15:50	78.2	↑1.3
2/20 16:00	79.6	↑1.4
2/20 16:10	80.9	↑1.3
2/20 16:20	82.2	↑1.3
2/20 16:30	83.4	↑1.2
2/20 16:40	84.7	↑1.3
2/20 16:50	85.9	↑1.2
2/20 17:00	87.1	↑1.2
2/20 17:10	88.3	↑1.2
2/20 17:20	89.4	↑1.1
2/20 17:30	90.4	↑1.0
2/20 17:40	91.4	↑1.0
2/20 17:50	92.3	↑0.9
2/20 18:00	93.1	↑0.8
2/20 18:10	93.8	↑0.7
2/20 18:20	94.4	↑0.6
2/20 18:30	94.9	↑0.5
2/20 18:40	95.2	↑0.3
2/20 18:50	95.5	↑0.3
2/20 19:00	95.6	↑0.1	満潮
2/20 19:10	95.5	↓-0.1
2/20 19:20	95.3	↓-0.2
2/20 19:30	94.9	↓-0.4
2/20 19:40	94.4	↓-0.5
2/20 19:50	93.6	↓-0.8
2/20 20:00	92.7	↓-0.9
2/20 20:10	91.7	↓-1.0
2/20 20:20	90.5	↓-1.2
2/20 20:30	89.1	↓-1.4
2/20 20:40	87.5	↓-1.6
2/20 20:50	85.9	↓-1.6
2/20 21:00	84.1	↓-1.8
2/20 21:10	82.1	↓-2.0
2/20 21:20	80.1	↓-2.0
2/20 21:30	78.0	↓-2.1
2/20 21:40	75.8	↓-2.2
2/20 21:50	73.5	↓-2.3
2/20 22:00	71.1	↓-2.4
2/20 22:10	68.7	↓-2.4
2/20 22:20	66.3	↓-2.4
2/20 22:30	63.8	↓-2.5
2/20 22:40	61.3	↓-2.5
2/20 22:50	58.8	↓-2.5
2/20 23:00	56.3	↓-2.5
2/20 23:10	53.7	↓-2.6	最大潮位差
2/20 23:20	51.2	↓-2.5
2/20 23:30	48.7	↓-2.5
2/20 23:40	46.2	↓-2.5
2/20 23:50	43.8	↓-2.4