20 (日)	01:50	07:40	13:12	20:18
	149cm	100cm	137cm	69cm
小潮 出 05:46 入 18:59 出 00:57 入 10:29

大船越／対馬（長崎）2025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	134.1	↑2.6	最大潮位差
4/20 00:10	136.6	↑2.5
4/20 00:20	138.8	↑2.2
4/20 00:30	140.8	↑2.0
4/20 00:40	142.6	↑1.8
4/20 00:50	144.1	↑1.5
4/20 01:00	145.4	↑1.3
4/20 01:10	146.5	↑1.1
4/20 01:20	147.3	↑0.8
4/20 01:30	147.9	↑0.6
4/20 01:40	148.2	↑0.3	満潮
4/20 01:50	148.3	↑0.1	満潮
4/20 02:00	148.1	↓-0.2
4/20 02:10	147.8	↓-0.3
4/20 02:20	147.2	↓-0.6
4/20 02:30	146.4	↓-0.8
4/20 02:40	145.4	↓-1.0
4/20 02:50	144.3	↓-1.1
4/20 03:00	143.0	↓-1.3
4/20 03:10	141.5	↓-1.5
4/20 03:20	139.8	↓-1.7
4/20 03:30	138.1	↓-1.7
4/20 03:40	136.2	↓-1.9
4/20 03:50	134.3	↓-1.9
4/20 04:00	132.2	↓-2.1
4/20 04:10	130.1	↓-2.1
4/20 04:20	128.0	↓-2.1
4/20 04:30	125.8	↓-2.2
4/20 04:40	123.7	↓-2.1
4/20 04:50	121.5	↓-2.2
4/20 05:00	119.4	↓-2.1
4/20 05:10	117.3	↓-2.1
4/20 05:20	115.3	↓-2.0
4/20 05:30	113.4	↓-1.9
4/20 05:40	111.5	↓-1.9
4/20 05:50	109.7	↓-1.8
4/20 06:00	108.1	↓-1.6
4/20 06:10	106.6	↓-1.5
4/20 06:20	105.2	↓-1.4
4/20 06:30	104.0	↓-1.2
4/20 06:40	102.9	↓-1.1
4/20 06:50	102.0	↓-0.9
4/20 07:00	101.2	↓-0.8
4/20 07:10	100.6	↓-0.6
4/20 07:20	100.2	↓-0.4
4/20 07:30	100.0	↓-0.2	干潮
4/20 07:40	99.9	↓-0.1	干潮
4/20 07:50	100.0	↑0.1
4/20 08:00	100.3	↑0.3
4/20 08:10	100.7	↑0.4
4/20 08:20	101.3	↑0.6
4/20 08:30	102.0	↑0.7
4/20 08:40	102.9	↑0.9
4/20 08:50	103.9	↑1.0
4/20 09:00	105.0	↑1.1
4/20 09:10	106.3	↑1.3
4/20 09:20	107.6	↑1.3
4/20 09:30	109.1	↑1.5
4/20 09:40	110.6	↑1.5
4/20 09:50	112.2	↑1.6
4/20 10:00	113.8	↑1.6
4/20 10:10	115.5	↑1.7
4/20 10:20	117.2	↑1.7
4/20 10:30	118.9	↑1.7
4/20 10:40	120.6	↑1.7
4/20 10:50	122.2	↑1.6
4/20 11:00	123.9	↑1.7
4/20 11:10	125.5	↑1.6
4/20 11:20	127.0	↑1.5
4/20 11:30	128.4	↑1.4
4/20 11:40	129.8	↑1.4
4/20 11:50	131.0	↑1.2
4/20 12:00	132.2	↑1.2
4/20 12:10	133.2	↑1.0
4/20 12:20	134.1	↑0.9
4/20 12:30	134.8	↑0.7
4/20 12:40	135.4	↑0.6
4/20 12:50	135.8	↑0.4
4/20 13:00	136.1	↑0.3
4/20 13:10	136.2	↑0.1	満潮
4/20 13:20	136.2	0
4/20 13:30	135.9	↓-0.3
4/20 13:40	135.5	↓-0.4
4/20 13:50	134.9	↓-0.6
4/20 14:00	134.2	↓-0.7
4/20 14:10	133.3	↓-0.9
4/20 14:20	132.2	↓-1.1
4/20 14:30	130.9	↓-1.3
4/20 14:40	129.5	↓-1.4
4/20 14:50	128.0	↓-1.5
4/20 15:00	126.3	↓-1.7
4/20 15:10	124.4	↓-1.9
4/20 15:20	122.5	↓-1.9
4/20 15:30	120.4	↓-2.1
4/20 15:40	118.3	↓-2.1
4/20 15:50	116.0	↓-2.3
4/20 16:00	113.7	↓-2.3
4/20 16:10	111.3	↓-2.4
4/20 16:20	108.8	↓-2.5
4/20 16:30	106.4	↓-2.4
4/20 16:40	103.9	↓-2.5
4/20 16:50	101.3	↓-2.6	最大潮位差
4/20 17:00	98.8	↓-2.5
4/20 17:10	96.3	↓-2.5
4/20 17:20	93.9	↓-2.4
4/20 17:30	91.5	↓-2.4
4/20 17:40	89.1	↓-2.4
4/20 17:50	86.8	↓-2.3
4/20 18:00	84.6	↓-2.2
4/20 18:10	82.5	↓-2.1
4/20 18:20	80.5	↓-2.0
4/20 18:30	78.7	↓-1.8
4/20 18:40	76.9	↓-1.8
4/20 18:50	75.3	↓-1.6
4/20 19:00	73.9	↓-1.4
4/20 19:10	72.6	↓-1.3
4/20 19:20	71.5	↓-1.1
4/20 19:30	70.5	↓-1.0
4/20 19:40	69.7	↓-0.8
4/20 19:50	69.1	↓-0.6
4/20 20:00	68.7	↓-0.4
4/20 20:10	68.5	↓-0.2	干潮
4/20 20:20	68.5	0
4/20 20:30	68.6	↑0.1
4/20 20:40	68.9	↑0.3
4/20 20:50	69.5	↑0.6
4/20 21:00	70.1	↑0.6
4/20 21:10	71.0	↑0.9
4/20 21:20	72.1	↑1.1
4/20 21:30	73.3	↑1.2
4/20 21:40	74.6	↑1.3
4/20 21:50	76.2	↑1.6
4/20 22:00	77.8	↑1.6
4/20 22:10	79.6	↑1.8
4/20 22:20	81.6	↑2.0
4/20 22:30	83.6	↑2.0
4/20 22:40	85.8	↑2.2
4/20 22:50	88.0	↑2.2
4/20 23:00	90.3	↑2.3
4/20 23:10	92.7	↑2.4
4/20 23:20	95.1	↑2.4
4/20 23:30	97.6	↑2.5
4/20 23:40	100.2	↑2.6	最大潮位差
4/20 23:50	102.7	↑2.5