20 (土)	08:43	02:37	20:39	14:33
	112cm	15cm	126cm	23cm
中潮 出 05:42 入 18:53 出 04:24 入 16:07 潮干狩り ○ 13:22～15:40

八幡（福岡）2058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	46.1	↓-3.6
4/20 00:10	42.7	↓-3.4
4/20 00:20	39.3	↓-3.4
4/20 00:30	36.1	↓-3.2
4/20 00:40	33.1	↓-3.0
4/20 00:50	30.2	↓-2.9
4/20 01:00	27.6	↓-2.6
4/20 01:10	25.1	↓-2.5
4/20 01:20	22.8	↓-2.3
4/20 01:30	20.8	↓-2.0
4/20 01:40	19.0	↓-1.8
4/20 01:50	17.4	↓-1.6
4/20 02:00	16.2	↓-1.2
4/20 02:10	15.2	↓-1.0
4/20 02:20	14.5	↓-0.7
4/20 02:30	14.2	↓-0.3	干潮
4/20 02:40	14.1	↓-0.1
4/20 02:50	14.4	↑0.3
4/20 03:00	15.1	↑0.7
4/20 03:10	16.0	↑0.9
4/20 03:20	17.3	↑1.3
4/20 03:30	18.9	↑1.6
4/20 03:40	20.8	↑1.9
4/20 03:50	23.0	↑2.2
4/20 04:00	25.5	↑2.5
4/20 04:10	28.2	↑2.7
4/20 04:20	31.2	↑3.0
4/20 04:30	34.4	↑3.2
4/20 04:40	37.8	↑3.4
4/20 04:50	41.4	↑3.6
4/20 05:00	45.1	↑3.7
4/20 05:10	48.9	↑3.8
4/20 05:20	52.9	↑4.0
4/20 05:30	56.9	↑4.0
4/20 05:40	61.0	↑4.1
4/20 05:50	65.1	↑4.1
4/20 06:00	69.3	↑4.2
4/20 06:10	73.4	↑4.1
4/20 06:20	77.4	↑4.0
4/20 06:30	81.4	↑4.0
4/20 06:40	85.2	↑3.8
4/20 06:50	88.9	↑3.7
4/20 07:00	92.5	↑3.6
4/20 07:10	95.8	↑3.3
4/20 07:20	98.9	↑3.1
4/20 07:30	101.7	↑2.8
4/20 07:40	104.2	↑2.5
4/20 07:50	106.5	↑2.3
4/20 08:00	108.3	↑1.8
4/20 08:10	109.8	↑1.5
4/20 08:20	110.9	↑1.1
4/20 08:30	111.6	↑0.7
4/20 08:40	111.9	↑0.3	満潮
4/20 08:50	111.7	↓-0.2
4/20 09:00	111.2	↓-0.5
4/20 09:10	110.2	↓-1.0
4/20 09:20	108.8	↓-1.4
4/20 09:30	107.1	↓-1.7
4/20 09:40	105.0	↓-2.1
4/20 09:50	102.6	↓-2.4
4/20 10:00	99.9	↓-2.7
4/20 10:10	96.9	↓-3.0
4/20 10:20	93.6	↓-3.3
4/20 10:30	90.2	↓-3.4
4/20 10:40	86.6	↓-3.6
4/20 10:50	82.9	↓-3.7
4/20 11:00	79.1	↓-3.8
4/20 11:10	75.2	↓-3.9
4/20 11:20	71.3	↓-3.9
4/20 11:30	67.3	↓-4.0
4/20 11:40	63.5	↓-3.8
4/20 11:50	59.6	↓-3.9
4/20 12:00	55.8	↓-3.8
4/20 12:10	52.2	↓-3.6
4/20 12:20	48.6	↓-3.6
4/20 12:30	45.2	↓-3.4
4/20 12:40	42.0	↓-3.2
4/20 12:50	38.9	↓-3.1
4/20 13:00	36.0	↓-2.9
4/20 13:10	33.4	↓-2.6
4/20 13:20	30.9	↓-2.5
4/20 13:30	28.8	↓-2.1
4/20 13:40	26.9	↓-1.9
4/20 13:50	25.3	↓-1.6
4/20 14:00	24.1	↓-1.2
4/20 14:10	23.1	↓-1.0
4/20 14:20	22.5	↓-0.6
4/20 14:30	22.3	↓-0.2	干潮
4/20 14:40	22.4	↑0.1
4/20 14:50	22.9	↑0.5
4/20 15:00	23.8	↑0.9
4/20 15:10	25.0	↑1.2
4/20 15:20	26.6	↑1.6
4/20 15:30	28.6	↑2.0
4/20 15:40	30.8	↑2.2
4/20 15:50	33.4	↑2.6
4/20 16:00	36.4	↑3.0
4/20 16:10	39.5	↑3.1
4/20 16:20	43.0	↑3.5
4/20 16:30	46.6	↑3.6
4/20 16:40	50.5	↑3.9
4/20 16:50	54.5	↑4.0
4/20 17:00	58.6	↑4.1
4/20 17:10	62.8	↑4.2
4/20 17:20	67.1	↑4.3
4/20 17:30	71.4	↑4.3
4/20 17:40	75.7	↑4.3
4/20 17:50	80.1	↑4.4	最大潮位差
4/20 18:00	84.3	↑4.2
4/20 18:10	88.5	↑4.2
4/20 18:20	92.6	↑4.1
4/20 18:30	96.6	↑4.0
4/20 18:40	100.4	↑3.8
4/20 18:50	104.0	↑3.6
4/20 19:00	107.4	↑3.4
4/20 19:10	110.6	↑3.2
4/20 19:20	113.5	↑2.9
4/20 19:30	116.2	↑2.7
4/20 19:40	118.5	↑2.3
4/20 19:50	120.6	↑2.1
4/20 20:00	122.2	↑1.6
4/20 20:10	123.5	↑1.3
4/20 20:20	124.4	↑0.9
4/20 20:30	125.0	↑0.6	満潮
4/20 20:40	125.1	↑0.1
4/20 20:50	124.8	↓-0.3
4/20 21:00	124.0	↓-0.8
4/20 21:10	122.9	↓-1.1
4/20 21:20	121.4	↓-1.5
4/20 21:30	119.4	↓-2.0
4/20 21:40	117.2	↓-2.2
4/20 21:50	114.5	↓-2.7
4/20 22:00	111.6	↓-2.9
4/20 22:10	108.4	↓-3.2
4/20 22:20	104.9	↓-3.5
4/20 22:30	101.2	↓-3.7
4/20 22:40	97.3	↓-3.9
4/20 22:50	93.3	↓-4.0
4/20 23:00	89.2	↓-4.1
4/20 23:10	85.0	↓-4.2
4/20 23:20	80.7	↓-4.3
4/20 23:30	76.4	↓-4.3
4/20 23:40	72.2	↓-4.2
4/20 23:50	67.9	↓-4.3