20 (土)	11:58	05:35	23:48	17:50
	148cm	35cm	158cm	54cm
中潮 出 06:04 入 18:19 出 09:16 入 20:12

八幡（福岡）2031年09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
9/20 00:00	154.7	↓-1.8
9/20 00:10	152.4	↓-2.3
9/20 00:20	149.7	↓-2.7
9/20 00:30	146.6	↓-3.1
9/20 00:40	143.0	↓-3.6
9/20 00:50	139.0	↓-4.0
9/20 01:00	134.7	↓-4.3
9/20 01:10	130.0	↓-4.7
9/20 01:20	125.1	↓-4.9
9/20 01:30	119.9	↓-5.2
9/20 01:40	114.6	↓-5.3
9/20 01:50	109.2	↓-5.4
9/20 02:00	103.7	↓-5.5	最大潮位差
9/20 02:10	98.2	↓-5.5	最大潮位差
9/20 02:20	92.7	↓-5.5	最大潮位差
9/20 02:30	87.3	↓-5.4
9/20 02:40	82.1	↓-5.2
9/20 02:50	77.0	↓-5.1
9/20 03:00	72.2	↓-4.8
9/20 03:10	67.6	↓-4.6
9/20 03:20	63.2	↓-4.4
9/20 03:30	59.2	↓-4.0
9/20 03:40	55.4	↓-3.8
9/20 03:50	52.0	↓-3.4
9/20 04:00	48.9	↓-3.1
9/20 04:10	46.1	↓-2.8
9/20 04:20	43.6	↓-2.5
9/20 04:30	41.4	↓-2.2
9/20 04:40	39.5	↓-1.9
9/20 04:50	38.0	↓-1.5
9/20 05:00	36.8	↓-1.2
9/20 05:10	35.9	↓-0.9
9/20 05:20	35.3	↓-0.6
9/20 05:30	35.0	↓-0.3	干潮
9/20 05:40	35.0	0
9/20 05:50	35.4	↑0.4
9/20 06:00	36.1	↑0.7
9/20 06:10	37.1	↑1.0
9/20 06:20	38.5	↑1.4
9/20 06:30	40.2	↑1.7
9/20 06:40	42.2	↑2.0
9/20 06:50	44.6	↑2.4
9/20 07:00	47.3	↑2.7
9/20 07:10	50.3	↑3.0
9/20 07:20	53.6	↑3.3
9/20 07:30	57.2	↑3.6
9/20 07:40	61.0	↑3.8
9/20 07:50	65.1	↑4.1
9/20 08:00	69.4	↑4.3
9/20 08:10	73.8	↑4.4
9/20 08:20	78.3	↑4.5
9/20 08:30	82.9	↑4.6
9/20 08:40	87.6	↑4.7
9/20 08:50	92.3	↑4.7
9/20 09:00	96.9	↑4.6
9/20 09:10	101.6	↑4.7
9/20 09:20	106.1	↑4.5
9/20 09:30	110.5	↑4.4
9/20 09:40	114.7	↑4.2
9/20 09:50	118.8	↑4.1
9/20 10:00	122.7	↑3.9
9/20 10:10	126.4	↑3.7
9/20 10:20	129.8	↑3.4
9/20 10:30	133.0	↑3.2
9/20 10:40	135.9	↑2.9
9/20 10:50	138.5	↑2.6
9/20 11:00	140.8	↑2.3
9/20 11:10	142.7	↑1.9
9/20 11:20	144.4	↑1.7
9/20 11:30	145.6	↑1.2
9/20 11:40	146.5	↑0.9
9/20 11:50	147.0	↑0.5	満潮
9/20 12:00	147.1	↑0.1
9/20 12:10	146.8	↓-0.3
9/20 12:20	146.1	↓-0.7
9/20 12:30	144.9	↓-1.2
9/20 12:40	143.4	↓-1.5
9/20 12:50	141.4	↓-2.0
9/20 13:00	139.1	↓-2.3
9/20 13:10	136.4	↓-2.7
9/20 13:20	133.4	↓-3.0
9/20 13:30	130.1	↓-3.3
9/20 13:40	126.5	↓-3.6
9/20 13:50	122.6	↓-3.9
9/20 14:00	118.6	↓-4.0
9/20 14:10	114.4	↓-4.2
9/20 14:20	110.1	↓-4.3
9/20 14:30	105.7	↓-4.4
9/20 14:40	101.4	↓-4.3
9/20 14:50	97.1	↓-4.3
9/20 15:00	92.8	↓-4.3
9/20 15:10	88.7	↓-4.1
9/20 15:20	84.7	↓-4.0
9/20 15:30	80.8	↓-3.9
9/20 15:40	77.2	↓-3.6
9/20 15:50	73.8	↓-3.4
9/20 16:00	70.6	↓-3.2
9/20 16:10	67.6	↓-3.0
9/20 16:20	64.9	↓-2.7
9/20 16:30	62.5	↓-2.4
9/20 16:40	60.4	↓-2.1
9/20 16:50	58.5	↓-1.9
9/20 17:00	56.9	↓-1.6
9/20 17:10	55.5	↓-1.4
9/20 17:20	54.5	↓-1.0
9/20 17:30	53.7	↓-0.8
9/20 17:40	53.3	↓-0.4	干潮
9/20 17:50	53.2	↓-0.1	干潮
9/20 18:00	53.3	↑0.1
9/20 18:10	53.8	↑0.5
9/20 18:20	54.7	↑0.9
9/20 18:30	55.9	↑1.2
9/20 18:40	57.4	↑1.5
9/20 18:50	59.3	↑1.9
9/20 19:00	61.5	↑2.2
9/20 19:10	64.1	↑2.6
9/20 19:20	67.0	↑2.9
9/20 19:30	70.2	↑3.2
9/20 19:40	73.7	↑3.5
9/20 19:50	77.5	↑3.8
9/20 20:00	81.6	↑4.1
9/20 20:10	85.8	↑4.2
9/20 20:20	90.3	↑4.5
9/20 20:30	94.9	↑4.6
9/20 20:40	99.5	↑4.6
9/20 20:50	104.3	↑4.8
9/20 21:00	109.0	↑4.7
9/20 21:10	113.7	↑4.7
9/20 21:20	118.4	↑4.7
9/20 21:30	122.9	↑4.5
9/20 21:40	127.3	↑4.4
9/20 21:50	131.5	↑4.2
9/20 22:00	135.5	↑4.0
9/20 22:10	139.2	↑3.7
9/20 22:20	142.6	↑3.4
9/20 22:30	145.8	↑3.2
9/20 22:40	148.6	↑2.8
9/20 22:50	151.1	↑2.5
9/20 23:00	153.2	↑2.1
9/20 23:10	154.9	↑1.7
9/20 23:20	156.3	↑1.4
9/20 23:30	157.2	↑0.9
9/20 23:40	157.7	↑0.5	満潮
9/20 23:50	157.8	↑0.1