31 (月)	03:03	07:13	14:25	23:02
	67cm	57cm	90cm	41cm
小潮 出 06:08 入 18:38 出 11:39 入 01:07

八幡（福岡）2031年03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
3/31 00:00	52.1	↑1.2
3/31 00:10	53.4	↑1.3
3/31 00:20	54.7	↑1.3
3/31 00:30	55.9	↑1.2
3/31 00:40	57.1	↑1.2
3/31 00:50	58.3	↑1.2
3/31 01:00	59.4	↑1.1
3/31 01:10	60.5	↑1.1
3/31 01:20	61.5	↑1.0
3/31 01:30	62.5	↑1.0
3/31 01:40	63.4	↑0.9
3/31 01:50	64.2	↑0.8
3/31 02:00	64.9	↑0.7
3/31 02:10	65.5	↑0.6
3/31 02:20	66.0	↑0.5
3/31 02:30	66.4	↑0.4
3/31 02:40	66.7	↑0.3
3/31 02:50	66.9	↑0.2
3/31 03:00	66.9	0	満潮
3/31 03:10	66.9	0
3/31 03:20	66.8	↓-0.1
3/31 03:30	66.5	↓-0.3
3/31 03:40	66.2	↓-0.3
3/31 03:50	65.8	↓-0.4
3/31 04:00	65.3	↓-0.5
3/31 04:10	64.8	↓-0.5
3/31 04:20	64.2	↓-0.6
3/31 04:30	63.6	↓-0.6
3/31 04:40	62.9	↓-0.7
3/31 04:50	62.3	↓-0.6
3/31 05:00	61.6	↓-0.7
3/31 05:10	61.0	↓-0.6
3/31 05:20	60.4	↓-0.6
3/31 05:30	59.8	↓-0.6
3/31 05:40	59.2	↓-0.6
3/31 05:50	58.8	↓-0.4
3/31 06:00	58.3	↓-0.5
3/31 06:10	57.9	↓-0.4
3/31 06:20	57.6	↓-0.3
3/31 06:30	57.3	↓-0.3
3/31 06:40	57.1	↓-0.2
3/31 06:50	57.0	↓-0.1
3/31 07:00	56.9	↓-0.1
3/31 07:10	56.8	↓-0.1	干潮
3/31 07:20	56.9	↑0.1
3/31 07:30	56.9	0
3/31 07:40	57.1	↑0.2
3/31 07:50	57.3	↑0.2
3/31 08:00	57.5	↑0.2
3/31 08:10	57.8	↑0.3
3/31 08:20	58.2	↑0.4
3/31 08:30	58.6	↑0.4
3/31 08:40	59.1	↑0.5
3/31 08:50	59.7	↑0.6
3/31 09:00	60.4	↑0.7
3/31 09:10	61.1	↑0.7
3/31 09:20	61.9	↑0.8
3/31 09:30	62.8	↑0.9
3/31 09:40	63.8	↑1.0
3/31 09:50	64.8	↑1.0
3/31 10:00	65.9	↑1.1
3/31 10:10	67.0	↑1.1
3/31 10:20	68.2	↑1.2
3/31 10:30	69.4	↑1.2
3/31 10:40	70.7	↑1.3
3/31 10:50	71.9	↑1.2
3/31 11:00	73.2	↑1.3
3/31 11:10	74.5	↑1.3
3/31 11:20	75.8	↑1.3
3/31 11:30	77.1	↑1.3
3/31 11:40	78.3	↑1.2
3/31 11:50	79.5	↑1.2
3/31 12:00	80.6	↑1.1
3/31 12:10	81.7	↑1.1
3/31 12:20	82.7	↑1.0
3/31 12:30	83.7	↑1.0
3/31 12:40	84.6	↑0.9
3/31 12:50	85.5	↑0.9
3/31 13:00	86.2	↑0.7
3/31 13:10	86.9	↑0.7
3/31 13:20	87.5	↑0.6
3/31 13:30	88.0	↑0.5
3/31 13:40	88.4	↑0.4
3/31 13:50	88.8	↑0.4
3/31 14:00	89.1	↑0.3
3/31 14:10	89.2	↑0.1
3/31 14:20	89.3	↑0.1	満潮
3/31 14:30	89.3	0
3/31 14:40	89.2	↓-0.1
3/31 14:50	89.0	↓-0.2
3/31 15:00	88.7	↓-0.3
3/31 15:10	88.3	↓-0.4
3/31 15:20	87.9	↓-0.4
3/31 15:30	87.3	↓-0.6
3/31 15:40	86.7	↓-0.6
3/31 15:50	86.0	↓-0.7
3/31 16:00	85.2	↓-0.8
3/31 16:10	84.3	↓-0.9
3/31 16:20	83.4	↓-0.9
3/31 16:30	82.4	↓-1.0
3/31 16:40	81.4	↓-1.0
3/31 16:50	80.3	↓-1.1
3/31 17:00	79.2	↓-1.1
3/31 17:10	78.1	↓-1.1
3/31 17:20	76.9	↓-1.2
3/31 17:30	75.7	↓-1.2
3/31 17:40	74.5	↓-1.2
3/31 17:50	73.3	↓-1.2
3/31 18:00	72.0	↓-1.3
3/31 18:10	70.8	↓-1.2
3/31 18:20	69.5	↓-1.3
3/31 18:30	68.2	↓-1.3
3/31 18:40	66.9	↓-1.3
3/31 18:50	65.6	↓-1.3
3/31 19:00	64.3	↓-1.3
3/31 19:10	62.9	↓-1.4	最大潮位差
3/31 19:20	61.5	↓-1.4	最大潮位差
3/31 19:30	60.2	↓-1.3
3/31 19:40	58.8	↓-1.4	最大潮位差
3/31 19:50	57.4	↓-1.4	最大潮位差
3/31 20:00	56.0	↓-1.4	最大潮位差
3/31 20:10	54.6	↓-1.4	最大潮位差
3/31 20:20	53.2	↓-1.4	最大潮位差
3/31 20:30	51.9	↓-1.3
3/31 20:40	50.6	↓-1.3
3/31 20:50	49.3	↓-1.3
3/31 21:00	48.1	↓-1.2
3/31 21:10	47.0	↓-1.1
3/31 21:20	45.9	↓-1.1
3/31 21:30	44.9	↓-1.0
3/31 21:40	44.0	↓-0.9
3/31 21:50	43.2	↓-0.8
3/31 22:00	42.5	↓-0.7
3/31 22:10	41.8	↓-0.7
3/31 22:20	41.3	↓-0.5
3/31 22:30	40.9	↓-0.4
3/31 22:40	40.7	↓-0.2
3/31 22:50	40.5	↓-0.2
3/31 23:00	40.4	↓-0.1	干潮
3/31 23:10	40.5	↑0.1
3/31 23:20	40.6	↑0.1
3/31 23:30	40.8	↑0.2
3/31 23:40	41.2	↑0.4
3/31 23:50	41.6	↑0.4