18 (火)	07:09	00:18	18:07	11:44
	74cm	24cm	101cm	51cm
長潮 出 06:25 入 18:28 出 02:40 入 13:20

八幡（福岡）2031年03月18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
3/18 00:00	24.2	↓-0.3
3/18 00:10	24.0	↓-0.2	干潮
3/18 00:20	23.9	↓-0.1
3/18 00:30	24.1	↑0.2
3/18 00:40	24.3	↑0.2
3/18 00:50	24.7	↑0.4
3/18 01:00	25.2	↑0.5
3/18 01:10	25.8	↑0.6
3/18 01:20	26.6	↑0.8
3/18 01:30	27.5	↑0.9
3/18 01:40	28.5	↑1.0
3/18 01:50	29.7	↑1.2
3/18 02:00	30.9	↑1.2
3/18 02:10	32.3	↑1.4
3/18 02:20	33.7	↑1.4
3/18 02:30	35.3	↑1.6
3/18 02:40	36.9	↑1.6
3/18 02:50	38.6	↑1.7
3/18 03:00	40.3	↑1.7
3/18 03:10	42.1	↑1.8
3/18 03:20	43.9	↑1.8
3/18 03:30	45.7	↑1.8
3/18 03:40	47.6	↑1.9
3/18 03:50	49.4	↑1.8
3/18 04:00	51.3	↑1.9
3/18 04:10	53.1	↑1.8
3/18 04:20	54.9	↑1.8
3/18 04:30	56.7	↑1.8
3/18 04:40	58.4	↑1.7
3/18 04:50	60.1	↑1.7
3/18 05:00	61.7	↑1.6
3/18 05:10	63.3	↑1.6
3/18 05:20	64.7	↑1.4
3/18 05:30	66.1	↑1.4
3/18 05:40	67.4	↑1.3
3/18 05:50	68.5	↑1.1
3/18 06:00	69.6	↑1.1
3/18 06:10	70.5	↑0.9
3/18 06:20	71.3	↑0.8
3/18 06:30	71.9	↑0.6
3/18 06:40	72.4	↑0.5
3/18 06:50	72.8	↑0.4
3/18 07:00	73.0	↑0.2	満潮
3/18 07:10	73.0	0
3/18 07:20	72.9	↓-0.1
3/18 07:30	72.7	↓-0.2
3/18 07:40	72.2	↓-0.5
3/18 07:50	71.7	↓-0.5
3/18 08:00	71.0	↓-0.7
3/18 08:10	70.2	↓-0.8
3/18 08:20	69.2	↓-1.0
3/18 08:30	68.2	↓-1.0
3/18 08:40	67.1	↓-1.1
3/18 08:50	65.9	↓-1.2
3/18 09:00	64.7	↓-1.2
3/18 09:10	63.4	↓-1.3
3/18 09:20	62.1	↓-1.3
3/18 09:30	60.8	↓-1.3
3/18 09:40	59.6	↓-1.2
3/18 09:50	58.3	↓-1.3
3/18 10:00	57.2	↓-1.1
3/18 10:10	56.0	↓-1.2
3/18 10:20	55.0	↓-1.0
3/18 10:30	54.0	↓-1.0
3/18 10:40	53.2	↓-0.8
3/18 10:50	52.4	↓-0.8
3/18 11:00	51.8	↓-0.6
3/18 11:10	51.3	↓-0.5
3/18 11:20	50.9	↓-0.4
3/18 11:30	50.6	↓-0.3
3/18 11:40	50.5	↓-0.1	干潮
3/18 11:50	50.6	↑0.1
3/18 12:00	50.7	↑0.1
3/18 12:10	51.0	↑0.3
3/18 12:20	51.5	↑0.5
3/18 12:30	52.1	↑0.6
3/18 12:40	52.9	↑0.8
3/18 12:50	53.8	↑0.9
3/18 13:00	54.8	↑1.0
3/18 13:10	56.0	↑1.2
3/18 13:20	57.3	↑1.3
3/18 13:30	58.8	↑1.5
3/18 13:40	60.4	↑1.6
3/18 13:50	62.0	↑1.6
3/18 14:00	63.8	↑1.8
3/18 14:10	65.7	↑1.9
3/18 14:20	67.6	↑1.9
3/18 14:30	69.6	↑2.0
3/18 14:40	71.7	↑2.1
3/18 14:50	73.7	↑2.0
3/18 15:00	75.8	↑2.1
3/18 15:10	77.9	↑2.1
3/18 15:20	80.0	↑2.1
3/18 15:30	82.0	↑2.0
3/18 15:40	84.0	↑2.0
3/18 15:50	85.9	↑1.9
3/18 16:00	87.7	↑1.8
3/18 16:10	89.5	↑1.8
3/18 16:20	91.1	↑1.6
3/18 16:30	92.7	↑1.6
3/18 16:40	94.1	↑1.4
3/18 16:50	95.4	↑1.3
3/18 17:00	96.6	↑1.2
3/18 17:10	97.6	↑1.0
3/18 17:20	98.5	↑0.9
3/18 17:30	99.2	↑0.7
3/18 17:40	99.7	↑0.5
3/18 17:50	100.1	↑0.4
3/18 18:00	100.3	↑0.2	満潮
3/18 18:10	100.4	↑0.1
3/18 18:20	100.2	↓-0.2
3/18 18:30	99.8	↓-0.4
3/18 18:40	99.3	↓-0.5
3/18 18:50	98.5	↓-0.8
3/18 19:00	97.6	↓-0.9
3/18 19:10	96.4	↓-1.2
3/18 19:20	95.1	↓-1.3
3/18 19:30	93.5	↓-1.6
3/18 19:40	91.7	↓-1.8
3/18 19:50	89.8	↓-1.9
3/18 20:00	87.7	↓-2.1
3/18 20:10	85.4	↓-2.3
3/18 20:20	83.0	↓-2.4
3/18 20:30	80.4	↓-2.6
3/18 20:40	77.8	↓-2.6
3/18 20:50	75.0	↓-2.8
3/18 21:00	72.1	↓-2.9
3/18 21:10	69.2	↓-2.9
3/18 21:20	66.2	↓-3.0
3/18 21:30	63.2	↓-3.0
3/18 21:40	60.1	↓-3.1	最大潮位差
3/18 21:50	57.1	↓-3.0
3/18 22:00	54.1	↓-3.0
3/18 22:10	51.2	↓-2.9
3/18 22:20	48.3	↓-2.9
3/18 22:30	45.4	↓-2.9
3/18 22:40	42.7	↓-2.7
3/18 22:50	40.0	↓-2.7
3/18 23:00	37.4	↓-2.6
3/18 23:10	34.9	↓-2.5
3/18 23:20	32.5	↓-2.4
3/18 23:30	30.3	↓-2.2
3/18 23:40	28.1	↓-2.2
3/18 23:50	26.1	↓-2.0