20 (月)	10:29	04:38	23:15	16:50
	199cm	40cm	199cm	1cm
中潮 出 05:46 入 18:59 出 07:19 入 22:33 潮干狩り ◎ 14:48～18:51

大船越／対馬（長崎）2026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	188.5	↓-4.8
4/20 00:10	183.3	↓-5.2
4/20 00:20	177.6	↓-5.7
4/20 00:30	171.5	↓-6.1
4/20 00:40	165.1	↓-6.4
4/20 00:50	158.3	↓-6.8
4/20 01:00	151.3	↓-7.0
4/20 01:10	144.1	↓-7.2
4/20 01:20	136.7	↓-7.4
4/20 01:30	129.3	↓-7.4
4/20 01:40	121.8	↓-7.5
4/20 01:50	114.4	↓-7.4
4/20 02:00	107.0	↓-7.4
4/20 02:10	99.8	↓-7.2
4/20 02:20	92.7	↓-7.1
4/20 02:30	86.0	↓-6.7
4/20 02:40	79.5	↓-6.5
4/20 02:50	73.4	↓-6.1
4/20 03:00	67.6	↓-5.8
4/20 03:10	62.3	↓-5.3
4/20 03:20	57.5	↓-4.8
4/20 03:30	53.2	↓-4.3
4/20 03:40	49.4	↓-3.8
4/20 03:50	46.3	↓-3.1
4/20 04:00	43.6	↓-2.7
4/20 04:10	41.7	↓-1.9
4/20 04:20	40.3	↓-1.4
4/20 04:30	39.6	↓-0.7	干潮
4/20 04:40	39.5	↓-0.1
4/20 04:50	40.0	↑0.5
4/20 05:00	41.2	↑1.2
4/20 05:10	43.0	↑1.8
4/20 05:20	45.3	↑2.3
4/20 05:30	48.3	↑3.0
4/20 05:40	51.9	↑3.6
4/20 05:50	55.9	↑4.0
4/20 06:00	60.5	↑4.6
4/20 06:10	65.5	↑5.0
4/20 06:20	71.0	↑5.5
4/20 06:30	76.8	↑5.8
4/20 06:40	83.0	↑6.2
4/20 06:50	89.4	↑6.4
4/20 07:00	96.1	↑6.7
4/20 07:10	102.9	↑6.8
4/20 07:20	109.9	↑7.0
4/20 07:30	117.0	↑7.1
4/20 07:40	124.1	↑7.1
4/20 07:50	131.1	↑7.0
4/20 08:00	138.0	↑6.9
4/20 08:10	144.8	↑6.8
4/20 08:20	151.4	↑6.6
4/20 08:30	157.7	↑6.3
4/20 08:40	163.8	↑6.1
4/20 08:50	169.4	↑5.6
4/20 09:00	174.7	↑5.3
4/20 09:10	179.5	↑4.8
4/20 09:20	183.9	↑4.4
4/20 09:30	187.7	↑3.8
4/20 09:40	191.0	↑3.3
4/20 09:50	193.7	↑2.7
4/20 10:00	195.8	↑2.1
4/20 10:10	197.3	↑1.5
4/20 10:20	198.1	↑0.8	満潮
4/20 10:30	198.3	↑0.2
4/20 10:40	197.8	↓-0.5
4/20 10:50	196.7	↓-1.1
4/20 11:00	195.0	↓-1.7
4/20 11:10	192.6	↓-2.4
4/20 11:20	189.5	↓-3.1
4/20 11:30	185.9	↓-3.6
4/20 11:40	181.7	↓-4.2
4/20 11:50	176.9	↓-4.8
4/20 12:00	171.6	↓-5.3
4/20 12:10	165.8	↓-5.8
4/20 12:20	159.5	↓-6.3
4/20 12:30	152.8	↓-6.7
4/20 12:40	145.8	↓-7.0
4/20 12:50	138.4	↓-7.4
4/20 13:00	130.8	↓-7.6
4/20 13:10	123.0	↓-7.8
4/20 13:20	114.9	↓-8.1
4/20 13:30	106.8	↓-8.1
4/20 13:40	98.6	↓-8.2	最大潮位差
4/20 13:50	90.5	↓-8.1
4/20 14:00	82.4	↓-8.1
4/20 14:10	74.4	↓-8.0
4/20 14:20	66.5	↓-7.9
4/20 14:30	58.9	↓-7.6
4/20 14:40	51.6	↓-7.3
4/20 14:50	44.6	↓-7.0
4/20 15:00	38.0	↓-6.6
4/20 15:10	31.8	↓-6.2
4/20 15:20	26.0	↓-5.8
4/20 15:30	20.8	↓-5.2
4/20 15:40	16.1	↓-4.7
4/20 15:50	12.0	↓-4.1
4/20 16:00	8.5	↓-3.5
4/20 16:10	5.6	↓-2.9
4/20 16:20	3.3	↓-2.3
4/20 16:30	1.7	↓-1.6
4/20 16:40	0.8	↓-0.9	干潮
4/20 16:50	0.6	↓-0.2	干潮
4/20 17:00	1.0	↑0.4
4/20 17:10	2.1	↑1.1
4/20 17:20	3.9	↑1.8
4/20 17:30	6.3	↑2.4
4/20 17:40	9.4	↑3.1
4/20 17:50	13.0	↑3.6
4/20 18:00	17.3	↑4.3
4/20 18:10	22.1	↑4.8
4/20 18:20	27.5	↑5.4
4/20 18:30	33.3	↑5.8
4/20 18:40	39.6	↑6.3
4/20 18:50	46.2	↑6.6
4/20 19:00	53.3	↑7.1
4/20 19:10	60.6	↑7.3
4/20 19:20	68.2	↑7.6
4/20 19:30	76.0	↑7.8
4/20 19:40	84.0	↑8.0
4/20 19:50	92.0	↑8.0
4/20 20:00	100.1	↑8.1
4/20 20:10	108.2	↑8.1
4/20 20:20	116.2	↑8.0
4/20 20:30	124.1	↑7.9
4/20 20:40	131.9	↑7.8
4/20 20:50	139.4	↑7.5
4/20 21:00	146.6	↑7.2
4/20 21:10	153.5	↑6.9
4/20 21:20	160.0	↑6.5
4/20 21:30	166.2	↑6.2
4/20 21:40	171.9	↑5.7
4/20 21:50	177.1	↑5.2
4/20 22:00	181.8	↑4.7
4/20 22:10	185.9	↑4.1
4/20 22:20	189.5	↑3.6
4/20 22:30	192.5	↑3.0
4/20 22:40	194.9	↑2.4
4/20 22:50	196.7	↑1.8
4/20 23:00	197.9	↑1.2
4/20 23:10	198.5	↑0.6	満潮
4/20 23:20	198.4	↓-0.1
4/20 23:30	197.8	↓-0.6
4/20 23:40	196.5	↓-1.3
4/20 23:50	194.7	↓-1.8