20 (日)	09:59	03:56	22:33	16:21
	143cm	14cm	134cm	-11cm
大潮 出 05:42 入 18:53 出 05:39 入 19:09 潮干狩り ◎ 13:58～18:36

八幡（福岡）2042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	94.7	↓-5.0
4/20 00:10	89.6	↓-5.1
4/20 00:20	84.4	↓-5.2
4/20 00:30	79.2	↓-5.2
4/20 00:40	74.1	↓-5.1
4/20 00:50	68.9	↓-5.2
4/20 01:00	63.9	↓-5.0
4/20 01:10	59.0	↓-4.9
4/20 01:20	54.3	↓-4.7
4/20 01:30	49.8	↓-4.5
4/20 01:40	45.4	↓-4.4
4/20 01:50	41.3	↓-4.1
4/20 02:00	37.3	↓-4.0
4/20 02:10	33.7	↓-3.6
4/20 02:20	30.3	↓-3.4
4/20 02:30	27.1	↓-3.2
4/20 02:40	24.3	↓-2.8
4/20 02:50	21.7	↓-2.6
4/20 03:00	19.5	↓-2.2
4/20 03:10	17.6	↓-1.9
4/20 03:20	16.0	↓-1.6
4/20 03:30	14.8	↓-1.2
4/20 03:40	14.0	↓-0.8
4/20 03:50	13.6	↓-0.4	干潮
4/20 04:00	13.6	0
4/20 04:10	14.0	↑0.4
4/20 04:20	14.9	↑0.9
4/20 04:30	16.2	↑1.3
4/20 04:40	17.9	↑1.7
4/20 04:50	20.1	↑2.2
4/20 05:00	22.7	↑2.6
4/20 05:10	25.7	↑3.0
4/20 05:20	29.1	↑3.4
4/20 05:30	32.9	↑3.8
4/20 05:40	37.0	↑4.1
4/20 05:50	41.4	↑4.4
4/20 06:00	46.1	↑4.7
4/20 06:10	51.0	↑4.9
4/20 06:20	56.1	↑5.1
4/20 06:30	61.4	↑5.3
4/20 06:40	66.8	↑5.4
4/20 06:50	72.3	↑5.5
4/20 07:00	77.8	↑5.5
4/20 07:10	83.4	↑5.6
4/20 07:20	88.8	↑5.4
4/20 07:30	94.2	↑5.4
4/20 07:40	99.5	↑5.3
4/20 07:50	104.7	↑5.2
4/20 08:00	109.6	↑4.9
4/20 08:10	114.3	↑4.7
4/20 08:20	118.8	↑4.5
4/20 08:30	123.0	↑4.2
4/20 08:40	126.8	↑3.8
4/20 08:50	130.3	↑3.5
4/20 09:00	133.4	↑3.1
4/20 09:10	136.1	↑2.7
4/20 09:20	138.3	↑2.2
4/20 09:30	140.1	↑1.8
4/20 09:40	141.3	↑1.2
4/20 09:50	142.0	↑0.7	満潮
4/20 10:00	142.1	↑0.1
4/20 10:10	141.7	↓-0.4
4/20 10:20	140.7	↓-1.0
4/20 10:30	139.2	↓-1.5
4/20 10:40	137.0	↓-2.2
4/20 10:50	134.4	↓-2.6
4/20 11:00	131.1	↓-3.3
4/20 11:10	127.4	↓-3.7
4/20 11:20	123.2	↓-4.2
4/20 11:30	118.6	↓-4.6
4/20 11:40	113.5	↓-5.1
4/20 11:50	108.1	↓-5.4
4/20 12:00	102.5	↓-5.6
4/20 12:10	96.5	↓-6.0
4/20 12:20	90.4	↓-6.1
4/20 12:30	84.2	↓-6.2
4/20 12:40	77.9	↓-6.3
4/20 12:50	71.5	↓-6.4	最大潮位差
4/20 13:00	65.2	↓-6.3
4/20 13:10	58.9	↓-6.3
4/20 13:20	52.7	↓-6.2
4/20 13:30	46.6	↓-6.1
4/20 13:40	40.8	↓-5.8
4/20 13:50	35.1	↓-5.7
4/20 14:00	29.6	↓-5.5
4/20 14:10	24.4	↓-5.2
4/20 14:20	19.5	↓-4.9
4/20 14:30	14.8	↓-4.7
4/20 14:40	10.5	↓-4.3
4/20 14:50	6.4	↓-4.1
4/20 15:00	2.8	↓-3.6
4/20 15:10	-0.5	↓-3.3
4/20 15:20	-3.5	↓-3.0
4/20 15:30	-6.0	↓-2.5
4/20 15:40	-8.1	↓-2.1
4/20 15:50	-9.8	↓-1.7
4/20 16:00	-11.0	↓-1.2
4/20 16:10	-11.7	↓-0.7
4/20 16:20	-12.0	↓-0.3	干潮
4/20 16:30	-11.8	↑0.2
4/20 16:40	-11.0	↑0.8
4/20 16:50	-9.8	↑1.2
4/20 17:00	-8.0	↑1.8
4/20 17:10	-5.7	↑2.3
4/20 17:20	-3.0	↑2.7
4/20 17:30	0.2	↑3.2
4/20 17:40	3.9	↑3.7
4/20 17:50	8.0	↑4.1
4/20 18:00	12.4	↑4.4
4/20 18:10	17.2	↑4.8
4/20 18:20	22.4	↑5.2
4/20 18:30	27.8	↑5.4
4/20 18:40	33.4	↑5.6
4/20 18:50	39.2	↑5.8
4/20 19:00	45.1	↑5.9
4/20 19:10	51.2	↑6.1
4/20 19:20	57.2	↑6.0
4/20 19:30	63.3	↑6.1
4/20 19:40	69.4	↑6.1
4/20 19:50	75.4	↑6.0
4/20 20:00	81.2	↑5.8
4/20 20:10	87.0	↑5.8
4/20 20:20	92.5	↑5.5
4/20 20:30	97.8	↑5.3
4/20 20:40	102.9	↑5.1
4/20 20:50	107.7	↑4.8
4/20 21:00	112.1	↑4.4
4/20 21:10	116.2	↑4.1
4/20 21:20	120.0	↑3.8
4/20 21:30	123.3	↑3.3
4/20 21:40	126.2	↑2.9
4/20 21:50	128.6	↑2.4
4/20 22:00	130.6	↑2.0
4/20 22:10	132.0	↑1.4
4/20 22:20	132.9	↑0.9
4/20 22:30	133.3	↑0.4	満潮
4/20 22:40	133.1	↓-0.2
4/20 22:50	132.5	↓-0.6
4/20 23:00	131.2	↓-1.3
4/20 23:10	129.5	↓-1.7
4/20 23:20	127.3	↓-2.2
4/20 23:30	124.6	↓-2.7
4/20 23:40	121.5	↓-3.1
4/20 23:50	118.0	↓-3.5