20 (火)	00:23	05:36	11:43	18:30
	102cm	45cm	131cm	20cm
中潮 出 05:41 入 18:53 出 23:11 入 08:02 潮干狩り ○ 16:50～18:53

八幡（福岡）2060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	101.2	↑0.8
4/20 00:10	101.7	↑0.5
4/20 00:20	101.9	↑0.2	満潮
4/20 00:30	101.8	↓-0.1
4/20 00:40	101.4	↓-0.4
4/20 00:50	100.7	↓-0.7
4/20 01:00	99.6	↓-1.1
4/20 01:10	98.3	↓-1.3
4/20 01:20	96.7	↓-1.6
4/20 01:30	94.9	↓-1.8
4/20 01:40	92.8	↓-2.1
4/20 01:50	90.4	↓-2.4
4/20 02:00	87.9	↓-2.5
4/20 02:10	85.2	↓-2.7
4/20 02:20	82.4	↓-2.8
4/20 02:30	79.5	↓-2.9
4/20 02:40	76.5	↓-3.0
4/20 02:50	73.6	↓-2.9
4/20 03:00	70.6	↓-3.0
4/20 03:10	67.7	↓-2.9
4/20 03:20	64.9	↓-2.8
4/20 03:30	62.2	↓-2.7
4/20 03:40	59.6	↓-2.6
4/20 03:50	57.2	↓-2.4
4/20 04:00	55.0	↓-2.2
4/20 04:10	53.0	↓-2.0
4/20 04:20	51.2	↓-1.8
4/20 04:30	49.6	↓-1.6
4/20 04:40	48.2	↓-1.4
4/20 04:50	47.1	↓-1.1
4/20 05:00	46.1	↓-1.0
4/20 05:10	45.5	↓-0.6
4/20 05:20	45.0	↓-0.5
4/20 05:30	44.8	↓-0.2	干潮
4/20 05:40	44.7	↓-0.1
4/20 05:50	45.0	↑0.3
4/20 06:00	45.4	↑0.4
4/20 06:10	46.1	↑0.7
4/20 06:20	47.0	↑0.9
4/20 06:30	48.2	↑1.2
4/20 06:40	49.6	↑1.4
4/20 06:50	51.3	↑1.7
4/20 07:00	53.2	↑1.9
4/20 07:10	55.3	↑2.1
4/20 07:20	57.7	↑2.4
4/20 07:30	60.4	↑2.7
4/20 07:40	63.2	↑2.8
4/20 07:50	66.3	↑3.1
4/20 08:00	69.5	↑3.2
4/20 08:10	73.0	↑3.5
4/20 08:20	76.5	↑3.5
4/20 08:30	80.2	↑3.7
4/20 08:40	84.0	↑3.8
4/20 08:50	87.8	↑3.8
4/20 09:00	91.7	↑3.9
4/20 09:10	95.5	↑3.8
4/20 09:20	99.3	↑3.8
4/20 09:30	103.0	↑3.7
4/20 09:40	106.5	↑3.5
4/20 09:50	109.9	↑3.4
4/20 10:00	113.2	↑3.3
4/20 10:10	116.2	↑3.0
4/20 10:20	118.9	↑2.7
4/20 10:30	121.4	↑2.5
4/20 10:40	123.7	↑2.3
4/20 10:50	125.6	↑1.9
4/20 11:00	127.2	↑1.6
4/20 11:10	128.5	↑1.3
4/20 11:20	129.5	↑1.0
4/20 11:30	130.1	↑0.6
4/20 11:40	130.3	↑0.2	満潮
4/20 11:50	130.2	↓-0.1
4/20 12:00	129.8	↓-0.4
4/20 12:10	129.0	↓-0.8
4/20 12:20	127.8	↓-1.2
4/20 12:30	126.3	↓-1.5
4/20 12:40	124.4	↓-1.9
4/20 12:50	122.1	↓-2.3
4/20 13:00	119.6	↓-2.5
4/20 13:10	116.7	↓-2.9
4/20 13:20	113.5	↓-3.2
4/20 13:30	110.0	↓-3.5
4/20 13:40	106.2	↓-3.8
4/20 13:50	102.2	↓-4.0
4/20 14:00	98.0	↓-4.2
4/20 14:10	93.7	↓-4.3
4/20 14:20	89.2	↓-4.5
4/20 14:30	84.6	↓-4.6
4/20 14:40	79.9	↓-4.7	最大潮位差
4/20 14:50	75.3	↓-4.6
4/20 15:00	70.7	↓-4.6
4/20 15:10	66.1	↓-4.6
4/20 15:20	61.6	↓-4.5
4/20 15:30	57.3	↓-4.3
4/20 15:40	53.2	↓-4.1
4/20 15:50	49.2	↓-4.0
4/20 16:00	45.5	↓-3.7
4/20 16:10	42.0	↓-3.5
4/20 16:20	38.7	↓-3.3
4/20 16:30	35.7	↓-3.0
4/20 16:40	33.0	↓-2.7
4/20 16:50	30.5	↓-2.5
4/20 17:00	28.3	↓-2.2
4/20 17:10	26.4	↓-1.9
4/20 17:20	24.7	↓-1.7
4/20 17:30	23.3	↓-1.4
4/20 17:40	22.1	↓-1.2
4/20 17:50	21.1	↓-1.0
4/20 18:00	20.4	↓-0.7
4/20 18:10	19.8	↓-0.6
4/20 18:20	19.5	↓-0.3	干潮
4/20 18:30	19.5	0	干潮
4/20 18:40	19.6	↑0.1
4/20 18:50	19.9	↑0.3
4/20 19:00	20.5	↑0.6
4/20 19:10	21.3	↑0.8
4/20 19:20	22.3	↑1.0
4/20 19:30	23.5	↑1.2
4/20 19:40	24.9	↑1.4
4/20 19:50	26.5	↑1.6
4/20 20:00	28.3	↑1.8
4/20 20:10	30.4	↑2.1
4/20 20:20	32.6	↑2.2
4/20 20:30	35.0	↑2.4
4/20 20:40	37.5	↑2.5
4/20 20:50	40.2	↑2.7
4/20 21:00	42.9	↑2.7
4/20 21:10	45.8	↑2.9
4/20 21:20	48.8	↑3.0
4/20 21:30	51.8	↑3.0
4/20 21:40	54.8	↑3.0
4/20 21:50	57.8	↑3.0
4/20 22:00	60.8	↑3.0
4/20 22:10	63.7	↑2.9
4/20 22:20	66.6	↑2.9
4/20 22:30	69.3	↑2.7
4/20 22:40	72.0	↑2.7
4/20 22:50	74.6	↑2.6
4/20 23:00	77.0	↑2.4
4/20 23:10	79.3	↑2.3
4/20 23:20	81.4	↑2.1
4/20 23:30	83.4	↑2.0
4/20 23:40	85.2	↑1.8
4/20 23:50	86.8	↑1.6