21 (火)	07:05	11:26	18:16	-
	71cm	61cm	94cm	-
小潮 出 06:21 入 18:30 出 13:09 入 02:19

八幡（福岡）2051年03月21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
3/21 00:00	31.2	0
3/21 00:10	31.3	↑0.1
3/21 00:20	31.6	↑0.3
3/21 00:30	32.0	↑0.4
3/21 00:40	32.5	↑0.5
3/21 00:50	33.1	↑0.6
3/21 01:00	33.9	↑0.8
3/21 01:10	34.8	↑0.9
3/21 01:20	35.8	↑1.0
3/21 01:30	36.9	↑1.1
3/21 01:40	38.0	↑1.1
3/21 01:50	39.3	↑1.3
3/21 02:00	40.6	↑1.3
3/21 02:10	42.0	↑1.4
3/21 02:20	43.4	↑1.4
3/21 02:30	44.9	↑1.5
3/21 02:40	46.4	↑1.5
3/21 02:50	47.9	↑1.5
3/21 03:00	49.4	↑1.5
3/21 03:10	50.9	↑1.5
3/21 03:20	52.4	↑1.5
3/21 03:30	53.8	↑1.4
3/21 03:40	55.3	↑1.5
3/21 03:50	56.7	↑1.4
3/21 04:00	58.0	↑1.3
3/21 04:10	59.3	↑1.3
3/21 04:20	60.5	↑1.2
3/21 04:30	61.7	↑1.2
3/21 04:40	62.8	↑1.1
3/21 04:50	63.9	↑1.1
3/21 05:00	64.8	↑0.9
3/21 05:10	65.8	↑1.0
3/21 05:20	66.6	↑0.8
3/21 05:30	67.4	↑0.8
3/21 05:40	68.1	↑0.7
3/21 05:50	68.7	↑0.6
3/21 06:00	69.2	↑0.5
3/21 06:10	69.7	↑0.5
3/21 06:20	70.1	↑0.4
3/21 06:30	70.4	↑0.3
3/21 06:40	70.7	↑0.3
3/21 06:50	70.8	↑0.1
3/21 07:00	70.9	↑0.1	満潮
3/21 07:10	70.9	0
3/21 07:20	70.8	↓-0.1
3/21 07:30	70.6	↓-0.2
3/21 07:40	70.4	↓-0.2
3/21 07:50	70.1	↓-0.3
3/21 08:00	69.7	↓-0.4
3/21 08:10	69.3	↓-0.4
3/21 08:20	68.8	↓-0.5
3/21 08:30	68.3	↓-0.5
3/21 08:40	67.7	↓-0.6
3/21 08:50	67.2	↓-0.5
3/21 09:00	66.6	↓-0.6
3/21 09:10	66.0	↓-0.6
3/21 09:20	65.4	↓-0.6
3/21 09:30	64.8	↓-0.6
3/21 09:40	64.2	↓-0.6
3/21 09:50	63.7	↓-0.5
3/21 10:00	63.2	↓-0.5
3/21 10:10	62.7	↓-0.5
3/21 10:20	62.3	↓-0.4
3/21 10:30	61.9	↓-0.4
3/21 10:40	61.6	↓-0.3
3/21 10:50	61.4	↓-0.2
3/21 11:00	61.2	↓-0.2
3/21 11:10	61.0	↓-0.2
3/21 11:20	61.0	0	干潮
3/21 11:30	61.0	0
3/21 11:40	61.0	0
3/21 11:50	61.2	↑0.2
3/21 12:00	61.4	↑0.2
3/21 12:10	61.6	↑0.2
3/21 12:20	62.0	↑0.4
3/21 12:30	62.4	↑0.4
3/21 12:40	62.9	↑0.5
3/21 12:50	63.4	↑0.5
3/21 13:00	64.1	↑0.7
3/21 13:10	64.8	↑0.7
3/21 13:20	65.5	↑0.7
3/21 13:30	66.4	↑0.9
3/21 13:40	67.2	↑0.8
3/21 13:50	68.2	↑1.0
3/21 14:00	69.2	↑1.0
3/21 14:10	70.3	↑1.1
3/21 14:20	71.4	↑1.1
3/21 14:30	72.5	↑1.1
3/21 14:40	73.7	↑1.2
3/21 14:50	74.9	↑1.2
3/21 15:00	76.2	↑1.3
3/21 15:10	77.4	↑1.2
3/21 15:20	78.7	↑1.3
3/21 15:30	79.9	↑1.2
3/21 15:40	81.1	↑1.2
3/21 15:50	82.3	↑1.2
3/21 16:00	83.5	↑1.2
3/21 16:10	84.7	↑1.2
3/21 16:20	85.8	↑1.1
3/21 16:30	86.8	↑1.0
3/21 16:40	87.8	↑1.0
3/21 16:50	88.8	↑1.0
3/21 17:00	89.6	↑0.8
3/21 17:10	90.4	↑0.8
3/21 17:20	91.1	↑0.7
3/21 17:30	91.7	↑0.6
3/21 17:40	92.2	↑0.5
3/21 17:50	92.6	↑0.4
3/21 18:00	92.9	↑0.3
3/21 18:10	93.0	↑0.1	満潮
3/21 18:20	93.0	0
3/21 18:30	92.9	↓-0.1
3/21 18:40	92.6	↓-0.3
3/21 18:50	92.1	↓-0.5
3/21 19:00	91.5	↓-0.6
3/21 19:10	90.7	↓-0.8
3/21 19:20	89.7	↓-1.0
3/21 19:30	88.6	↓-1.1
3/21 19:40	87.3	↓-1.3
3/21 19:50	85.9	↓-1.4
3/21 20:00	84.2	↓-1.7
3/21 20:10	82.5	↓-1.7
3/21 20:20	80.6	↓-1.9
3/21 20:30	78.6	↓-2.0
3/21 20:40	76.4	↓-2.2
3/21 20:50	74.2	↓-2.2
3/21 21:00	71.9	↓-2.3
3/21 21:10	69.5	↓-2.4
3/21 21:20	67.0	↓-2.5
3/21 21:30	64.5	↓-2.5
3/21 21:40	62.0	↓-2.5
3/21 21:50	59.5	↓-2.5
3/21 22:00	56.9	↓-2.6	最大潮位差
3/21 22:10	54.4	↓-2.5
3/21 22:20	52.0	↓-2.4
3/21 22:30	49.6	↓-2.4
3/21 22:40	47.2	↓-2.4
3/21 22:50	44.9	↓-2.3
3/21 23:00	42.8	↓-2.1
3/21 23:10	40.7	↓-2.1
3/21 23:20	38.7	↓-2.0
3/21 23:30	36.8	↓-1.9
3/21 23:40	35.1	↓-1.7
3/21 23:50	33.5	↓-1.6