20 (木)	08:55	02:52	21:18	15:05
	202cm	13cm	209cm	1cm
大潮 出 05:46 入 18:58 出 05:45 入 19:07 潮干狩り ◎ 13:10～16:58

万関瀬戸（長崎）2023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	97.8	↓-8.1
4/20 00:10	89.8	↓-8.0
4/20 00:20	81.9	↓-7.9
4/20 00:30	74.1	↓-7.8
4/20 00:40	66.7	↓-7.4
4/20 00:50	59.5	↓-7.2
4/20 01:00	52.7	↓-6.8
4/20 01:10	46.3	↓-6.4
4/20 01:20	40.3	↓-6.0
4/20 01:30	34.8	↓-5.5
4/20 01:40	29.9	↓-4.9
4/20 01:50	25.5	↓-4.4
4/20 02:00	21.8	↓-3.7
4/20 02:10	18.7	↓-3.1
4/20 02:20	16.2	↓-2.5
4/20 02:30	14.4	↓-1.8
4/20 02:40	13.3	↓-1.1
4/20 02:50	12.9	↓-0.4	干潮
4/20 03:00	13.2	↑0.3
4/20 03:10	14.2	↑1.0
4/20 03:20	15.8	↑1.6
4/20 03:30	18.2	↑2.4
4/20 03:40	21.2	↑3.0
4/20 03:50	24.8	↑3.6
4/20 04:00	29.1	↑4.3
4/20 04:10	33.9	↑4.8
4/20 04:20	39.3	↑5.4
4/20 04:30	45.2	↑5.9
4/20 04:40	51.5	↑6.3
4/20 04:50	58.3	↑6.8
4/20 05:00	65.4	↑7.1
4/20 05:10	72.8	↑7.4
4/20 05:20	80.5	↑7.7
4/20 05:30	88.4	↑7.9
4/20 05:40	96.4	↑8.0
4/20 05:50	104.5	↑8.1
4/20 06:00	112.6	↑8.1
4/20 06:10	120.7	↑8.1
4/20 06:20	128.7	↑8.0
4/20 06:30	136.5	↑7.8
4/20 06:40	144.1	↑7.6
4/20 06:50	151.5	↑7.4
4/20 07:00	158.5	↑7.0
4/20 07:10	165.1	↑6.6
4/20 07:20	171.3	↑6.2
4/20 07:30	177.0	↑5.7
4/20 07:40	182.1	↑5.1
4/20 07:50	186.8	↑4.7
4/20 08:00	190.8	↑4.0
4/20 08:10	194.2	↑3.4
4/20 08:20	196.9	↑2.7
4/20 08:30	199.0	↑2.1
4/20 08:40	200.3	↑1.3
4/20 08:50	201.0	↑0.7	満潮
4/20 09:00	201.0	0
4/20 09:10	200.2	↓-0.8
4/20 09:20	198.7	↓-1.5
4/20 09:30	196.5	↓-2.2
4/20 09:40	193.7	↓-2.8
4/20 09:50	190.2	↓-3.5
4/20 10:00	186.0	↓-4.2
4/20 10:10	181.2	↓-4.8
4/20 10:20	175.9	↓-5.3
4/20 10:30	170.0	↓-5.9
4/20 10:40	163.5	↓-6.5
4/20 10:50	156.7	↓-6.8
4/20 11:00	149.4	↓-7.3
4/20 11:10	141.8	↓-7.6
4/20 11:20	133.9	↓-7.9
4/20 11:30	125.7	↓-8.2
4/20 11:40	117.4	↓-8.3
4/20 11:50	108.9	↓-8.5
4/20 12:00	100.4	↓-8.5
4/20 12:10	91.9	↓-8.5
4/20 12:20	83.4	↓-8.5
4/20 12:30	75.1	↓-8.3
4/20 12:40	66.9	↓-8.2
4/20 12:50	59.0	↓-7.9
4/20 13:00	51.4	↓-7.6
4/20 13:10	44.1	↓-7.3
4/20 13:20	37.2	↓-6.9
4/20 13:30	30.8	↓-6.4
4/20 13:40	24.9	↓-5.9
4/20 13:50	19.6	↓-5.3
4/20 14:00	14.8	↓-4.8
4/20 14:10	10.7	↓-4.1
4/20 14:20	7.2	↓-3.5
4/20 14:30	4.4	↓-2.8
4/20 14:40	2.3	↓-2.1
4/20 14:50	0.9	↓-1.4
4/20 15:00	0.3	↓-0.6	干潮
4/20 15:10	0.4	↑0.1
4/20 15:20	1.2	↑0.8
4/20 15:30	2.7	↑1.5
4/20 15:40	5.0	↑2.3
4/20 15:50	7.9	↑2.9
4/20 16:00	11.6	↑3.7
4/20 16:10	15.9	↑4.3
4/20 16:20	20.8	↑4.9
4/20 16:30	26.3	↑5.5
4/20 16:40	32.4	↑6.1
4/20 16:50	39.0	↑6.6
4/20 17:00	46.0	↑7.0
4/20 17:10	53.5	↑7.5
4/20 17:20	61.3	↑7.8
4/20 17:30	69.4	↑8.1
4/20 17:40	77.8	↑8.4
4/20 17:50	86.3	↑8.5
4/20 18:00	95.0	↑8.7
4/20 18:10	103.8	↑8.8	最大潮位差
4/20 18:20	112.5	↑8.7
4/20 18:30	121.2	↑8.7
4/20 18:40	129.8	↑8.6
4/20 18:50	138.2	↑8.4
4/20 19:00	146.3	↑8.1
4/20 19:10	154.1	↑7.8
4/20 19:20	161.6	↑7.5
4/20 19:30	168.7	↑7.1
4/20 19:40	175.3	↑6.6
4/20 19:50	181.4	↑6.1
4/20 20:00	187.0	↑5.6
4/20 20:10	192.0	↑5.0
4/20 20:20	196.3	↑4.3
4/20 20:30	200.0	↑3.7
4/20 20:40	203.1	↑3.1
4/20 20:50	205.4	↑2.3
4/20 21:00	207.0	↑1.6
4/20 21:10	207.9	↑0.9	満潮
4/20 21:20	208.0	↑0.1
4/20 21:30	207.5	↓-0.5
4/20 21:40	206.2	↓-1.3
4/20 21:50	204.2	↓-2.0
4/20 22:00	201.5	↓-2.7
4/20 22:10	198.1	↓-3.4
4/20 22:20	194.1	↓-4.0
4/20 22:30	189.5	↓-4.6
4/20 22:40	184.2	↓-5.3
4/20 22:50	178.5	↓-5.7
4/20 23:00	172.2	↓-6.3
4/20 23:10	165.5	↓-6.7
4/20 23:20	158.4	↓-7.1
4/20 23:30	150.9	↓-7.5
4/20 23:40	143.2	↓-7.7
4/20 23:50	135.2	↓-8.0