20 (水)	00:23	06:22	12:15	18:40
	182cm	64cm	169cm	40cm
中潮 出 05:46 入 18:59 出 23:52 入 09:35 潮干狩り ○ 17:42～18:59

大船越／対馬（長崎）2033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	179.8	↑1.3
4/20 00:10	180.7	↑0.9
4/20 00:20	181.1	↑0.4	満潮
4/20 00:30	180.9	↓-0.2
4/20 00:40	180.3	↓-0.6
4/20 00:50	179.2	↓-1.1
4/20 01:00	177.7	↓-1.5
4/20 01:10	175.7	↓-2.0
4/20 01:20	173.3	↓-2.4
4/20 01:30	170.5	↓-2.8
4/20 01:40	167.4	↓-3.1
4/20 01:50	163.8	↓-3.6
4/20 02:00	160.0	↓-3.8
4/20 02:10	155.9	↓-4.1
4/20 02:20	151.5	↓-4.4
4/20 02:30	146.9	↓-4.6
4/20 02:40	142.1	↓-4.8
4/20 02:50	137.2	↓-4.9
4/20 03:00	132.1	↓-5.1
4/20 03:10	127.0	↓-5.1
4/20 03:20	121.9	↓-5.1
4/20 03:30	116.8	↓-5.1
4/20 03:40	111.7	↓-5.1
4/20 03:50	106.7	↓-5.0
4/20 04:00	101.9	↓-4.8
4/20 04:10	97.2	↓-4.7
4/20 04:20	92.7	↓-4.5
4/20 04:30	88.4	↓-4.3
4/20 04:40	84.4	↓-4.0
4/20 04:50	80.7	↓-3.7
4/20 05:00	77.3	↓-3.4
4/20 05:10	74.2	↓-3.1
4/20 05:20	71.5	↓-2.7
4/20 05:30	69.2	↓-2.3
4/20 05:40	67.3	↓-1.9
4/20 05:50	65.7	↓-1.6
4/20 06:00	64.6	↓-1.1
4/20 06:10	63.9	↓-0.7
4/20 06:20	63.7	↓-0.2	干潮
4/20 06:30	63.8	↑0.1
4/20 06:40	64.4	↑0.6
4/20 06:50	65.4	↑1.0
4/20 07:00	66.8	↑1.4
4/20 07:10	68.6	↑1.8
4/20 07:20	70.7	↑2.1
4/20 07:30	73.3	↑2.6
4/20 07:40	76.1	↑2.8
4/20 07:50	79.3	↑3.2
4/20 08:00	82.8	↑3.5
4/20 08:10	86.5	↑3.7
4/20 08:20	90.5	↑4.0
4/20 08:30	94.6	↑4.1
4/20 08:40	98.9	↑4.3
4/20 08:50	103.4	↑4.5
4/20 09:00	107.9	↑4.5
4/20 09:10	112.5	↑4.6
4/20 09:20	117.2	↑4.7
4/20 09:30	121.8	↑4.6
4/20 09:40	126.4	↑4.6
4/20 09:50	130.9	↑4.5
4/20 10:00	135.2	↑4.3
4/20 10:10	139.5	↑4.3
4/20 10:20	143.5	↑4.0
4/20 10:30	147.3	↑3.8
4/20 10:40	150.9	↑3.6
4/20 10:50	154.2	↑3.3
4/20 11:00	157.2	↑3.0
4/20 11:10	159.9	↑2.7
4/20 11:20	162.2	↑2.3
4/20 11:30	164.1	↑1.9
4/20 11:40	165.7	↑1.6
4/20 11:50	166.9	↑1.2
4/20 12:00	167.7	↑0.8
4/20 12:10	168.0	↑0.3	満潮
4/20 12:20	168.0	0
4/20 12:30	167.5	↓-0.5
4/20 12:40	166.6	↓-0.9
4/20 12:50	165.3	↓-1.3
4/20 13:00	163.6	↓-1.7
4/20 13:10	161.5	↓-2.1
4/20 13:20	159.0	↓-2.5
4/20 13:30	156.1	↓-2.9
4/20 13:40	152.9	↓-3.2
4/20 13:50	149.4	↓-3.5
4/20 14:00	145.5	↓-3.9
4/20 14:10	141.4	↓-4.1
4/20 14:20	137.0	↓-4.4
4/20 14:30	132.4	↓-4.6
4/20 14:40	127.6	↓-4.8
4/20 14:50	122.6	↓-5.0
4/20 15:00	117.6	↓-5.0
4/20 15:10	112.4	↓-5.2
4/20 15:20	107.2	↓-5.2
4/20 15:30	101.9	↓-5.3	最大潮位差
4/20 15:40	96.7	↓-5.2
4/20 15:50	91.5	↓-5.2
4/20 16:00	86.3	↓-5.2
4/20 16:10	81.3	↓-5.0
4/20 16:20	76.5	↓-4.8
4/20 16:30	71.8	↓-4.7
4/20 16:40	67.4	↓-4.4
4/20 16:50	63.2	↓-4.2
4/20 17:00	59.2	↓-4.0
4/20 17:10	55.6	↓-3.6
4/20 17:20	52.3	↓-3.3
4/20 17:30	49.3	↓-3.0
4/20 17:40	46.7	↓-2.6
4/20 17:50	44.5	↓-2.2
4/20 18:00	42.6	↓-1.9
4/20 18:10	41.2	↓-1.4
4/20 18:20	40.2	↓-1.0
4/20 18:30	39.5	↓-0.7	干潮
4/20 18:40	39.4	↓-0.1	干潮
4/20 18:50	39.6	↑0.2
4/20 19:00	40.3	↑0.7
4/20 19:10	41.3	↑1.0
4/20 19:20	42.8	↑1.5
4/20 19:30	44.7	↑1.9
4/20 19:40	47.0	↑2.3
4/20 19:50	49.6	↑2.6
4/20 20:00	52.5	↑2.9
4/20 20:10	55.8	↑3.3
4/20 20:20	59.4	↑3.6
4/20 20:30	63.3	↑3.9
4/20 20:40	67.5	↑4.2
4/20 20:50	71.8	↑4.3
4/20 21:00	76.4	↑4.6
4/20 21:10	81.1	↑4.7
4/20 21:20	85.9	↑4.8
4/20 21:30	90.9	↑5.0
4/20 21:40	95.9	↑5.0
4/20 21:50	100.9	↑5.0
4/20 22:00	106.0	↑5.1
4/20 22:10	111.0	↑5.0
4/20 22:20	116.0	↑5.0
4/20 22:30	120.9	↑4.9
4/20 22:40	125.6	↑4.7
4/20 22:50	130.2	↑4.6
4/20 23:00	134.6	↑4.4
4/20 23:10	138.8	↑4.2
4/20 23:20	142.8	↑4.0
4/20 23:30	146.5	↑3.7
4/20 23:40	149.9	↑3.4
4/20 23:50	153.0	↑3.1