20 (金)	00:38	06:05	12:18	19:16
	111cm	34cm	129cm	10cm
中潮 出 05:42 入 18:52 出 08:57 入 23:17 潮干狩り ◎ 17:14～18:52

若松（福岡）2018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	108.0	↑1.7
4/20 00:10	109.3	↑1.3
4/20 00:20	110.2	↑0.9
4/20 00:30	110.7	↑0.5	満潮
4/20 00:40	110.8	↑0.1
4/20 00:50	110.5	↓-0.3
4/20 01:00	109.8	↓-0.7
4/20 01:10	108.6	↓-1.2
4/20 01:20	107.1	↓-1.5
4/20 01:30	105.2	↓-1.9
4/20 01:40	102.9	↓-2.3
4/20 01:50	100.3	↓-2.6
4/20 02:00	97.4	↓-2.9
4/20 02:10	94.3	↓-3.1
4/20 02:20	91.0	↓-3.3
4/20 02:30	87.4	↓-3.6
4/20 02:40	83.8	↓-3.6
4/20 02:50	80.1	↓-3.7
4/20 03:00	76.3	↓-3.8
4/20 03:10	72.5	↓-3.8
4/20 03:20	68.8	↓-3.7
4/20 03:30	65.1	↓-3.7
4/20 03:40	61.6	↓-3.5
4/20 03:50	58.2	↓-3.4
4/20 04:00	54.9	↓-3.3
4/20 04:10	51.8	↓-3.1
4/20 04:20	48.9	↓-2.9
4/20 04:30	46.3	↓-2.6
4/20 04:40	43.8	↓-2.5
4/20 04:50	41.6	↓-2.2
4/20 05:00	39.6	↓-2.0
4/20 05:10	37.9	↓-1.7
4/20 05:20	36.5	↓-1.4
4/20 05:30	35.3	↓-1.2
4/20 05:40	34.5	↓-0.8
4/20 05:50	33.9	↓-0.6
4/20 06:00	33.6	↓-0.3	干潮
4/20 06:10	33.6	0
4/20 06:20	34.0	↑0.4
4/20 06:30	34.6	↑0.6
4/20 06:40	35.6	↑1.0
4/20 06:50	36.9	↑1.3
4/20 07:00	38.5	↑1.6
4/20 07:10	40.5	↑2.0
4/20 07:20	42.8	↑2.3
4/20 07:30	45.3	↑2.5
4/20 07:40	48.2	↑2.9
4/20 07:50	51.3	↑3.1
4/20 08:00	54.6	↑3.3
4/20 08:10	58.1	↑3.5
4/20 08:20	61.8	↑3.7
4/20 08:30	65.7	↑3.9
4/20 08:40	69.7	↑4.0
4/20 08:50	73.7	↑4.0
4/20 09:00	77.8	↑4.1
4/20 09:10	81.9	↑4.1
4/20 09:20	86.0	↑4.1
4/20 09:30	90.0	↑4.0
4/20 09:40	93.9	↑3.9
4/20 09:50	97.7	↑3.8
4/20 10:00	101.4	↑3.7
4/20 10:10	104.9	↑3.5
4/20 10:20	108.2	↑3.3
4/20 10:30	111.4	↑3.2
4/20 10:40	114.3	↑2.9
4/20 10:50	117.0	↑2.7
4/20 11:00	119.4	↑2.4
4/20 11:10	121.6	↑2.2
4/20 11:20	123.6	↑2.0
4/20 11:30	125.2	↑1.6
4/20 11:40	126.6	↑1.4
4/20 11:50	127.6	↑1.0
4/20 12:00	128.4	↑0.8
4/20 12:10	128.8	↑0.4	満潮
4/20 12:20	128.8	0
4/20 12:30	128.5	↓-0.3
4/20 12:40	127.9	↓-0.6
4/20 12:50	126.9	↓-1.0
4/20 13:00	125.5	↓-1.4
4/20 13:10	123.8	↓-1.7
4/20 13:20	121.7	↓-2.1
4/20 13:30	119.3	↓-2.4
4/20 13:40	116.5	↓-2.8
4/20 13:50	113.4	↓-3.1
4/20 14:00	110.1	↓-3.3
4/20 14:10	106.4	↓-3.7
4/20 14:20	102.6	↓-3.8
4/20 14:30	98.5	↓-4.1
4/20 14:40	94.3	↓-4.2
4/20 14:50	89.9	↓-4.4
4/20 15:00	85.5	↓-4.4
4/20 15:10	81.0	↓-4.5
4/20 15:20	76.4	↓-4.6	最大潮位差
4/20 15:30	71.9	↓-4.5
4/20 15:40	67.4	↓-4.5
4/20 15:50	62.9	↓-4.5
4/20 16:00	58.5	↓-4.4
4/20 16:10	54.3	↓-4.2
4/20 16:20	50.1	↓-4.2
4/20 16:30	46.1	↓-4.0
4/20 16:40	42.3	↓-3.8
4/20 16:50	38.6	↓-3.7
4/20 17:00	35.1	↓-3.5
4/20 17:10	31.7	↓-3.4
4/20 17:20	28.6	↓-3.1
4/20 17:30	25.6	↓-3.0
4/20 17:40	22.9	↓-2.7
4/20 17:50	20.3	↓-2.6
4/20 18:00	18.0	↓-2.3
4/20 18:10	16.0	↓-2.0
4/20 18:20	14.2	↓-1.8
4/20 18:30	12.6	↓-1.6
4/20 18:40	11.4	↓-1.2
4/20 18:50	10.4	↓-1.0
4/20 19:00	9.8	↓-0.6
4/20 19:10	9.5	↓-0.3	干潮
4/20 19:20	9.5	0
4/20 19:30	9.8	↑0.3
4/20 19:40	10.5	↑0.7
4/20 19:50	11.5	↑1.0
4/20 20:00	12.8	↑1.3
4/20 20:10	14.4	↑1.6
4/20 20:20	16.4	↑2.0
4/20 20:30	18.6	↑2.2
4/20 20:40	21.1	↑2.5
4/20 20:50	23.9	↑2.8
4/20 21:00	26.8	↑2.9
4/20 21:10	30.0	↑3.2
4/20 21:20	33.3	↑3.3
4/20 21:30	36.8	↑3.5
4/20 21:40	40.4	↑3.6
4/20 21:50	44.0	↑3.6
4/20 22:00	47.8	↑3.8
4/20 22:10	51.5	↑3.7
4/20 22:20	55.3	↑3.8
4/20 22:30	59.0	↑3.7
4/20 22:40	62.7	↑3.7
4/20 22:50	66.4	↑3.7
4/20 23:00	69.9	↑3.5
4/20 23:10	73.4	↑3.5
4/20 23:20	76.7	↑3.3
4/20 23:30	79.9	↑3.2
4/20 23:40	82.9	↑3.0
4/20 23:50	85.8	↑2.9