20 (土)	11:00	05:01	-	17:49
	153cm	25cm	-	-8cm
中潮 出 05:42 入 18:53 出 21:36 入 06:54

八幡（福岡）2030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	120.5	↓-1.8
4/20 00:10	118.3	↓-2.2
4/20 00:20	115.6	↓-2.7
4/20 00:30	112.6	↓-3.0
4/20 00:40	109.1	↓-3.5
4/20 00:50	105.4	↓-3.7
4/20 01:00	101.4	↓-4.0
4/20 01:10	97.1	↓-4.3
4/20 01:20	92.7	↓-4.4
4/20 01:30	88.1	↓-4.6
4/20 01:40	83.5	↓-4.6
4/20 01:50	78.9	↓-4.6
4/20 02:00	74.2	↓-4.7
4/20 02:10	69.7	↓-4.5
4/20 02:20	65.2	↓-4.5
4/20 02:30	60.8	↓-4.4
4/20 02:40	56.6	↓-4.2
4/20 02:50	52.6	↓-4.0
4/20 03:00	48.8	↓-3.8
4/20 03:10	45.2	↓-3.6
4/20 03:20	41.9	↓-3.3
4/20 03:30	38.8	↓-3.1
4/20 03:40	35.9	↓-2.9
4/20 03:50	33.4	↓-2.5
4/20 04:00	31.1	↓-2.3
4/20 04:10	29.1	↓-2.0
4/20 04:20	27.5	↓-1.6
4/20 04:30	26.2	↓-1.3
4/20 04:40	25.2	↓-1.0
4/20 04:50	24.6	↓-0.6
4/20 05:00	24.4	↓-0.2	干潮
4/20 05:10	24.6	↑0.2
4/20 05:20	25.2	↑0.6
4/20 05:30	26.2	↑1.0
4/20 05:40	27.7	↑1.5
4/20 05:50	29.6	↑1.9
4/20 06:00	32.0	↑2.4
4/20 06:10	34.7	↑2.7
4/20 06:20	37.9	↑3.2
4/20 06:30	41.5	↑3.6
4/20 06:40	45.5	↑4.0
4/20 06:50	49.9	↑4.4
4/20 07:00	54.5	↑4.6
4/20 07:10	59.5	↑5.0
4/20 07:20	64.7	↑5.2
4/20 07:30	70.1	↑5.4
4/20 07:40	75.6	↑5.5
4/20 07:50	81.2	↑5.6
4/20 08:00	86.9	↑5.7
4/20 08:10	92.6	↑5.7
4/20 08:20	98.2	↑5.6
4/20 08:30	103.8	↑5.6
4/20 08:40	109.2	↑5.4
4/20 08:50	114.5	↑5.3
4/20 09:00	119.5	↑5.0
4/20 09:10	124.3	↑4.8
4/20 09:20	128.9	↑4.6
4/20 09:30	133.1	↑4.2
4/20 09:40	136.9	↑3.8
4/20 09:50	140.4	↑3.5
4/20 10:00	143.5	↑3.1
4/20 10:10	146.2	↑2.7
4/20 10:20	148.4	↑2.2
4/20 10:30	150.2	↑1.8
4/20 10:40	151.4	↑1.2
4/20 10:50	152.2	↑0.8	満潮
4/20 11:00	152.4	↑0.2	満潮
4/20 11:10	152.1	↓-0.3
4/20 11:20	151.2	↓-0.9
4/20 11:30	149.8	↓-1.4
4/20 11:40	147.8	↓-2.0
4/20 11:50	145.3	↓-2.5
4/20 12:00	142.3	↓-3.0
4/20 12:10	138.7	↓-3.6
4/20 12:20	134.7	↓-4.0
4/20 12:30	130.2	↓-4.5
4/20 12:40	125.3	↓-4.9
4/20 12:50	120.0	↓-5.3
4/20 13:00	114.4	↓-5.6
4/20 13:10	108.5	↓-5.9
4/20 13:20	102.4	↓-6.1
4/20 13:30	96.1	↓-6.3
4/20 13:40	89.8	↓-6.3
4/20 13:50	83.4	↓-6.4
4/20 14:00	76.9	↓-6.5	最大潮位差
4/20 14:10	70.6	↓-6.3
4/20 14:20	64.3	↓-6.3
4/20 14:30	58.1	↓-6.2
4/20 14:40	52.2	↓-5.9
4/20 14:50	46.4	↓-5.8
4/20 15:00	40.8	↓-5.6
4/20 15:10	35.5	↓-5.3
4/20 15:20	30.4	↓-5.1
4/20 15:30	25.6	↓-4.8
4/20 15:40	21.1	↓-4.5
4/20 15:50	16.9	↓-4.2
4/20 16:00	12.9	↓-4.0
4/20 16:10	9.3	↓-3.6
4/20 16:20	6.0	↓-3.3
4/20 16:30	3.0	↓-3.0
4/20 16:40	0.3	↓-2.7
4/20 16:50	-2.1	↓-2.4
4/20 17:00	-4.1	↓-2.0
4/20 17:10	-5.8	↓-1.7
4/20 17:20	-7.1	↓-1.3
4/20 17:30	-8.0	↓-0.9
4/20 17:40	-8.5	↓-0.5	干潮
4/20 17:50	-8.6	↓-0.1
4/20 18:00	-8.3	↑0.3
4/20 18:10	-7.6	↑0.7
4/20 18:20	-6.5	↑1.1
4/20 18:30	-4.9	↑1.6
4/20 18:40	-2.9	↑2.0
4/20 18:50	-0.5	↑2.4
4/20 19:00	2.3	↑2.8
4/20 19:10	5.5	↑3.2
4/20 19:20	9.0	↑3.5
4/20 19:30	12.8	↑3.8
4/20 19:40	16.9	↑4.1
4/20 19:50	21.3	↑4.4
4/20 20:00	26.0	↑4.7
4/20 20:10	30.8	↑4.8
4/20 20:20	35.7	↑4.9
4/20 20:30	40.8	↑5.1
4/20 20:40	45.9	↑5.1
4/20 20:50	51.1	↑5.2
4/20 21:00	56.3	↑5.2
4/20 21:10	61.4	↑5.1
4/20 21:20	66.5	↑5.1
4/20 21:30	71.5	↑5.0
4/20 21:40	76.4	↑4.9
4/20 21:50	81.2	↑4.8
4/20 22:00	85.7	↑4.5
4/20 22:10	90.1	↑4.4
4/20 22:20	94.2	↑4.1
4/20 22:30	98.1	↑3.9
4/20 22:40	101.7	↑3.6
4/20 22:50	105.0	↑3.3
4/20 23:00	107.9	↑2.9
4/20 23:10	110.5	↑2.6
4/20 23:20	112.7	↑2.2
4/20 23:30	114.5	↑1.8
4/20 23:40	115.8	↑1.3
4/20 23:50	116.7	↑0.9