20 (月)	10:27	04:32	23:09	16:46
	189cm	36cm	188cm	6cm
中潮 出 05:46 入 18:59 出 07:19 入 22:33 潮干狩り ◎ 14:50～18:42

万関瀬戸（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	174.7	↓-4.8
4/20 00:10	169.4	↓-5.3
4/20 00:20	163.7	↓-5.7
4/20 00:30	157.7	↓-6.0
4/20 00:40	151.4	↓-6.3
4/20 00:50	144.8	↓-6.6
4/20 01:00	138.0	↓-6.8
4/20 01:10	131.0	↓-7.0
4/20 01:20	124.0	↓-7.0
4/20 01:30	116.9	↓-7.1
4/20 01:40	109.8	↓-7.1
4/20 01:50	102.7	↓-7.1
4/20 02:00	95.8	↓-6.9
4/20 02:10	89.0	↓-6.8
4/20 02:20	82.5	↓-6.5
4/20 02:30	76.2	↓-6.3
4/20 02:40	70.2	↓-6.0
4/20 02:50	64.6	↓-5.6
4/20 03:00	59.4	↓-5.2
4/20 03:10	54.6	↓-4.8
4/20 03:20	50.3	↓-4.3
4/20 03:30	46.4	↓-3.9
4/20 03:40	43.2	↓-3.2
4/20 03:50	40.4	↓-2.8
4/20 04:00	38.3	↓-2.1
4/20 04:10	36.7	↓-1.6
4/20 04:20	35.7	↓-1.0
4/20 04:30	35.4	↓-0.3	干潮
4/20 04:40	35.6	↑0.2
4/20 04:50	36.4	↑0.8
4/20 05:00	37.9	↑1.5
4/20 05:10	39.9	↑2.0
4/20 05:20	42.5	↑2.6
4/20 05:30	45.6	↑3.1
4/20 05:40	49.2	↑3.6
4/20 05:50	53.4	↑4.2
4/20 06:00	58.0	↑4.6
4/20 06:10	63.0	↑5.0
4/20 06:20	68.4	↑5.4
4/20 06:30	74.1	↑5.7
4/20 06:40	80.1	↑6.0
4/20 06:50	86.4	↑6.3
4/20 07:00	92.9	↑6.5
4/20 07:10	99.5	↑6.6
4/20 07:20	106.2	↑6.7
4/20 07:30	113.0	↑6.8
4/20 07:40	119.7	↑6.7
4/20 07:50	126.4	↑6.7
4/20 08:00	133.0	↑6.6
4/20 08:10	139.5	↑6.5
4/20 08:20	145.7	↑6.2
4/20 08:30	151.6	↑5.9
4/20 08:40	157.3	↑5.7
4/20 08:50	162.6	↑5.3
4/20 09:00	167.5	↑4.9
4/20 09:10	172.0	↑4.5
4/20 09:20	176.0	↑4.0
4/20 09:30	179.5	↑3.5
4/20 09:40	182.5	↑3.0
4/20 09:50	184.9	↑2.4
4/20 10:00	186.7	↑1.8
4/20 10:10	188.0	↑1.3
4/20 10:20	188.6	↑0.6	満潮
4/20 10:30	188.7	↑0.1
4/20 10:40	188.1	↓-0.6
4/20 10:50	186.9	↓-1.2
4/20 11:00	185.1	↓-1.8
4/20 11:10	182.7	↓-2.4
4/20 11:20	179.7	↓-3.0
4/20 11:30	176.2	↓-3.5
4/20 11:40	172.1	↓-4.1
4/20 11:50	167.5	↓-4.6
4/20 12:00	162.4	↓-5.1
4/20 12:10	156.9	↓-5.5
4/20 12:20	150.9	↓-6.0
4/20 12:30	144.6	↓-6.3
4/20 12:40	137.9	↓-6.7
4/20 12:50	131.0	↓-6.9
4/20 13:00	123.8	↓-7.2
4/20 13:10	116.5	↓-7.3
4/20 13:20	109.0	↓-7.5
4/20 13:30	101.4	↓-7.6	最大潮位差
4/20 13:40	93.8	↓-7.6	最大潮位差
4/20 13:50	86.2	↓-7.6	最大潮位差
4/20 14:00	78.7	↓-7.5
4/20 14:10	71.3	↓-7.4
4/20 14:20	64.0	↓-7.3
4/20 14:30	57.1	↓-6.9
4/20 14:40	50.3	↓-6.8
4/20 14:50	43.9	↓-6.4
4/20 15:00	37.9	↓-6.0
4/20 15:10	32.3	↓-5.6
4/20 15:20	27.1	↓-5.2
4/20 15:30	22.4	↓-4.7
4/20 15:40	18.2	↓-4.2
4/20 15:50	14.6	↓-3.6
4/20 16:00	11.5	↓-3.1
4/20 16:10	9.1	↓-2.4
4/20 16:20	7.2	↓-1.9
4/20 16:30	5.9	↓-1.3
4/20 16:40	5.3	↓-0.6	干潮
4/20 16:50	5.3	0
4/20 17:00	5.9	↑0.6
4/20 17:10	7.2	↑1.3
4/20 17:20	9.0	↑1.8
4/20 17:30	11.5	↑2.5
4/20 17:40	14.5	↑3.0
4/20 17:50	18.2	↑3.7
4/20 18:00	22.3	↑4.1
4/20 18:10	26.9	↑4.6
4/20 18:20	32.1	↑5.2
4/20 18:30	37.6	↑5.5
4/20 18:40	43.6	↑6.0
4/20 18:50	49.9	↑6.3
4/20 19:00	56.5	↑6.6
4/20 19:10	63.4	↑6.9
4/20 19:20	70.5	↑7.1
4/20 19:30	77.8	↑7.3
4/20 19:40	85.2	↑7.4
4/20 19:50	92.6	↑7.4
4/20 20:00	100.1	↑7.5
4/20 20:10	107.6	↑7.5
4/20 20:20	114.9	↑7.3
4/20 20:30	122.2	↑7.3
4/20 20:40	129.2	↑7.0
4/20 20:50	136.0	↑6.8
4/20 21:00	142.6	↑6.6
4/20 21:10	148.8	↑6.2
4/20 21:20	154.6	↑5.8
4/20 21:30	160.1	↑5.5
4/20 21:40	165.1	↑5.0
4/20 21:50	169.7	↑4.6
4/20 22:00	173.8	↑4.1
4/20 22:10	177.4	↑3.6
4/20 22:20	180.4	↑3.0
4/20 22:30	182.9	↑2.5
4/20 22:40	184.8	↑1.9
4/20 22:50	186.2	↑1.4
4/20 23:00	186.9	↑0.7	満潮
4/20 23:10	187.1	↑0.2
4/20 23:20	186.8	↓-0.3
4/20 23:30	185.8	↓-1.0
4/20 23:40	184.3	↓-1.5
4/20 23:50	182.3	↓-2.0