20 (木)	07:52	01:39	19:35	13:35
	97cm	36cm	102cm	41cm
若潮 出 05:41 入 18:53 出 03:03 入 14:47

八幡（福岡）2028年04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
4/20 00:00	43.2	↓-1.5
4/20 00:10	41.8	↓-1.4
4/20 00:20	40.5	↓-1.3
4/20 00:30	39.3	↓-1.2
4/20 00:40	38.3	↓-1.0
4/20 00:50	37.4	↓-0.9
4/20 01:00	36.7	↓-0.7
4/20 01:10	36.1	↓-0.6
4/20 01:20	35.7	↓-0.4
4/20 01:30	35.5	↓-0.2	干潮
4/20 01:40	35.4	↓-0.1
4/20 01:50	35.5	↑0.1
4/20 02:00	35.8	↑0.3
4/20 02:10	36.3	↑0.5
4/20 02:20	37.0	↑0.7
4/20 02:30	37.9	↑0.9
4/20 02:40	39.0	↑1.1
4/20 02:50	40.2	↑1.2
4/20 03:00	41.6	↑1.4
4/20 03:10	43.1	↑1.5
4/20 03:20	44.8	↑1.7
4/20 03:30	46.7	↑1.9
4/20 03:40	48.7	↑2.0
4/20 03:50	50.7	↑2.0
4/20 04:00	52.9	↑2.2
4/20 04:10	55.2	↑2.3
4/20 04:20	57.6	↑2.4
4/20 04:30	60.0	↑2.4
4/20 04:40	62.4	↑2.4
4/20 04:50	64.9	↑2.5
4/20 05:00	67.4	↑2.5
4/20 05:10	70.0	↑2.6
4/20 05:20	72.5	↑2.5
4/20 05:30	74.9	↑2.4
4/20 05:40	77.4	↑2.5
4/20 05:50	79.7	↑2.3
4/20 06:00	82.0	↑2.3
4/20 06:10	84.2	↑2.2
4/20 06:20	86.2	↑2.0
4/20 06:30	88.1	↑1.9
4/20 06:40	89.9	↑1.8
4/20 06:50	91.5	↑1.6
4/20 07:00	92.8	↑1.3
4/20 07:10	94.0	↑1.2
4/20 07:20	94.9	↑0.9
4/20 07:30	95.6	↑0.7
4/20 07:40	96.0	↑0.4
4/20 07:50	96.2	↑0.2	満潮
4/20 08:00	96.1	↓-0.1
4/20 08:10	95.7	↓-0.4
4/20 08:20	95.1	↓-0.6
4/20 08:30	94.2	↓-0.9
4/20 08:40	93.1	↓-1.1
4/20 08:50	91.8	↓-1.3
4/20 09:00	90.2	↓-1.6
4/20 09:10	88.5	↓-1.7
4/20 09:20	86.5	↓-2.0
4/20 09:30	84.4	↓-2.1
4/20 09:40	82.2	↓-2.2
4/20 09:50	79.9	↓-2.3
4/20 10:00	77.5	↓-2.4
4/20 10:10	75.0	↓-2.5
4/20 10:20	72.6	↓-2.4
4/20 10:30	70.0	↓-2.6
4/20 10:40	67.5	↓-2.5
4/20 10:50	65.1	↓-2.4
4/20 11:00	62.6	↓-2.5
4/20 11:10	60.2	↓-2.4
4/20 11:20	57.9	↓-2.3
4/20 11:30	55.7	↓-2.2
4/20 11:40	53.6	↓-2.1
4/20 11:50	51.6	↓-2.0
4/20 12:00	49.8	↓-1.8
4/20 12:10	48.1	↓-1.7
4/20 12:20	46.5	↓-1.6
4/20 12:30	45.1	↓-1.4
4/20 12:40	43.9	↓-1.2
4/20 12:50	42.8	↓-1.1
4/20 13:00	42.0	↓-0.8
4/20 13:10	41.4	↓-0.6
4/20 13:20	41.0	↓-0.4
4/20 13:30	40.8	↓-0.2	干潮
4/20 13:40	40.8	0
4/20 13:50	41.1	↑0.3
4/20 14:00	41.5	↑0.4
4/20 14:10	42.3	↑0.8
4/20 14:20	43.2	↑0.9
4/20 14:30	44.4	↑1.2
4/20 14:40	45.8	↑1.4
4/20 14:50	47.3	↑1.5
4/20 15:00	49.1	↑1.8
4/20 15:10	51.0	↑1.9
4/20 15:20	53.1	↑2.1
4/20 15:30	55.3	↑2.2
4/20 15:40	57.6	↑2.3
4/20 15:50	60.1	↑2.5
4/20 16:00	62.6	↑2.5
4/20 16:10	65.1	↑2.5
4/20 16:20	67.7	↑2.6
4/20 16:30	70.3	↑2.6
4/20 16:40	72.9	↑2.6
4/20 16:50	75.5	↑2.6
4/20 17:00	78.0	↑2.5
4/20 17:10	80.5	↑2.5
4/20 17:20	82.9	↑2.4
4/20 17:30	85.2	↑2.3
4/20 17:40	87.5	↑2.3
4/20 17:50	89.6	↑2.1
4/20 18:00	91.5	↑1.9
4/20 18:10	93.4	↑1.9
4/20 18:20	95.1	↑1.7
4/20 18:30	96.6	↑1.5
4/20 18:40	97.9	↑1.3
4/20 18:50	99.0	↑1.1
4/20 19:00	99.9	↑0.9
4/20 19:10	100.6	↑0.7
4/20 19:20	101.1	↑0.5
4/20 19:30	101.3	↑0.2	満潮
4/20 19:40	101.3	0
4/20 19:50	101.0	↓-0.3
4/20 20:00	100.4	↓-0.6
4/20 20:10	99.6	↓-0.8
4/20 20:20	98.6	↓-1.0
4/20 20:30	97.3	↓-1.3
4/20 20:40	95.8	↓-1.5
4/20 20:50	94.1	↓-1.7
4/20 21:00	92.1	↓-2.0
4/20 21:10	90.0	↓-2.1
4/20 21:20	87.8	↓-2.2
4/20 21:30	85.4	↓-2.4
4/20 21:40	82.8	↓-2.6
4/20 21:50	80.2	↓-2.6
4/20 22:00	77.6	↓-2.6
4/20 22:10	74.8	↓-2.8	最大潮位差
4/20 22:20	72.1	↓-2.7
4/20 22:30	69.4	↓-2.7
4/20 22:40	66.6	↓-2.8	最大潮位差
4/20 22:50	63.9	↓-2.7
4/20 23:00	61.3	↓-2.6
4/20 23:10	58.7	↓-2.6
4/20 23:20	56.2	↓-2.5
4/20 23:30	53.8	↓-2.4
4/20 23:40	51.4	↓-2.4
4/20 23:50	49.2	↓-2.2