20 (水)	07:22	01:03	19:34	13:31
	177cm	37cm	177cm	40cm
中潮 出 05:46 入 18:58 出 04:25 入 16:00 潮干狩り ○ 12:46～14:14

万関瀬戸（長崎）2039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	45.0	↓-2.9
4/20 00:10	42.5	↓-2.5
4/20 00:20	40.5	↓-2.0
4/20 00:30	38.8	↓-1.7
4/20 00:40	37.6	↓-1.2
4/20 00:50	36.8	↓-0.8
4/20 01:00	36.5	↓-0.3	干潮
4/20 01:10	36.6	↑0.1
4/20 01:20	37.2	↑0.6
4/20 01:30	38.3	↑1.1
4/20 01:40	39.8	↑1.5
4/20 01:50	41.8	↑2.0
4/20 02:00	44.2	↑2.4
4/20 02:10	47.0	↑2.8
4/20 02:20	50.2	↑3.2
4/20 02:30	53.8	↑3.6
4/20 02:40	57.8	↑4.0
4/20 02:50	62.1	↑4.3
4/20 03:00	66.7	↑4.6
4/20 03:10	71.6	↑4.9
4/20 03:20	76.8	↑5.2
4/20 03:30	82.1	↑5.3
4/20 03:40	87.6	↑5.5
4/20 03:50	93.3	↑5.7
4/20 04:00	99.0	↑5.7
4/20 04:10	104.8	↑5.8
4/20 04:20	110.6	↑5.8
4/20 04:30	116.4	↑5.8
4/20 04:40	122.2	↑5.8
4/20 04:50	127.8	↑5.6
4/20 05:00	133.3	↑5.5
4/20 05:10	138.6	↑5.3
4/20 05:20	143.6	↑5.0
4/20 05:30	148.5	↑4.9
4/20 05:40	153.0	↑4.5
4/20 05:50	157.2	↑4.2
4/20 06:00	161.1	↑3.9
4/20 06:10	164.5	↑3.4
4/20 06:20	167.6	↑3.1
4/20 06:30	170.3	↑2.7
4/20 06:40	172.5	↑2.2
4/20 06:50	174.2	↑1.7
4/20 07:00	175.5	↑1.3
4/20 07:10	176.3	↑0.8
4/20 07:20	176.6	↑0.3	満潮
4/20 07:30	176.4	↓-0.2
4/20 07:40	175.7	↓-0.7
4/20 07:50	174.5	↓-1.2
4/20 08:00	172.9	↓-1.6
4/20 08:10	170.7	↓-2.2
4/20 08:20	168.2	↓-2.5
4/20 08:30	165.2	↓-3.0
4/20 08:40	161.8	↓-3.4
4/20 08:50	158.0	↓-3.8
4/20 09:00	153.8	↓-4.2
4/20 09:10	149.3	↓-4.5
4/20 09:20	144.5	↓-4.8
4/20 09:30	139.4	↓-5.1
4/20 09:40	134.1	↓-5.3
4/20 09:50	128.7	↓-5.4
4/20 10:00	123.0	↓-5.7
4/20 10:10	117.3	↓-5.7
4/20 10:20	111.5	↓-5.8
4/20 10:30	105.6	↓-5.9
4/20 10:40	99.8	↓-5.8
4/20 10:50	94.0	↓-5.8
4/20 11:00	88.4	↓-5.6
4/20 11:10	82.9	↓-5.5
4/20 11:20	77.5	↓-5.4
4/20 11:30	72.4	↓-5.1
4/20 11:40	67.5	↓-4.9
4/20 11:50	62.9	↓-4.6
4/20 12:00	58.7	↓-4.2
4/20 12:10	54.8	↓-3.9
4/20 12:20	51.3	↓-3.5
4/20 12:30	48.2	↓-3.1
4/20 12:40	45.6	↓-2.6
4/20 12:50	43.4	↓-2.2
4/20 13:00	41.7	↓-1.7
4/20 13:10	40.4	↓-1.3
4/20 13:20	39.7	↓-0.7
4/20 13:30	39.5	↓-0.2	干潮
4/20 13:40	39.7	↑0.2
4/20 13:50	40.5	↑0.8
4/20 14:00	41.8	↑1.3
4/20 14:10	43.5	↑1.7
4/20 14:20	45.8	↑2.3
4/20 14:30	48.5	↑2.7
4/20 14:40	51.6	↑3.1
4/20 14:50	55.1	↑3.5
4/20 15:00	59.1	↑4.0
4/20 15:10	63.4	↑4.3
4/20 15:20	68.0	↑4.6
4/20 15:30	73.0	↑5.0
4/20 15:40	78.2	↑5.2
4/20 15:50	83.6	↑5.4
4/20 16:00	89.3	↑5.7
4/20 16:10	95.0	↑5.7
4/20 16:20	100.9	↑5.9
4/20 16:30	106.8	↑5.9
4/20 16:40	112.7	↑5.9
4/20 16:50	118.6	↑5.9
4/20 17:00	124.5	↑5.9
4/20 17:10	130.2	↑5.7
4/20 17:20	135.7	↑5.5
4/20 17:30	141.1	↑5.4
4/20 17:40	146.2	↑5.1
4/20 17:50	151.0	↑4.8
4/20 18:00	155.5	↑4.5
4/20 18:10	159.6	↑4.1
4/20 18:20	163.4	↑3.8
4/20 18:30	166.7	↑3.3
4/20 18:40	169.6	↑2.9
4/20 18:50	172.1	↑2.5
4/20 19:00	174.0	↑1.9
4/20 19:10	175.5	↑1.5
4/20 19:20	176.4	↑0.9
4/20 19:30	176.8	↑0.4	満潮
4/20 19:40	176.7	↓-0.1
4/20 19:50	176.1	↓-0.6
4/20 20:00	174.9	↓-1.2
4/20 20:10	173.2	↓-1.7
4/20 20:20	171.0	↓-2.2
4/20 20:30	168.3	↓-2.7
4/20 20:40	165.1	↓-3.2
4/20 20:50	161.4	↓-3.7
4/20 21:00	157.4	↓-4.0
4/20 21:10	152.9	↓-4.5
4/20 21:20	148.0	↓-4.9
4/20 21:30	142.8	↓-5.2
4/20 21:40	137.3	↓-5.5
4/20 21:50	131.5	↓-5.8
4/20 22:00	125.5	↓-6.0
4/20 22:10	119.4	↓-6.1
4/20 22:20	113.1	↓-6.3
4/20 22:30	106.6	↓-6.5	最大潮位差
4/20 22:40	100.2	↓-6.4
4/20 22:50	93.7	↓-6.5	最大潮位差
4/20 23:00	87.3	↓-6.4
4/20 23:10	81.0	↓-6.3
4/20 23:20	74.8	↓-6.2
4/20 23:30	68.9	↓-5.9
4/20 23:40	63.1	↓-5.8
4/20 23:50	57.6	↓-5.5