20 (日)	07:53	01:47	20:18	14:06
	181cm	22cm	185cm	8cm
大潮 出 05:47 入 18:59 出 04:35 入 17:39 潮干狩り ◎ 12:17～15:53

網湾（長崎）2031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	51.4	↓-5.3
4/20 00:10	46.3	↓-5.1
4/20 00:20	41.7	↓-4.6
4/20 00:30	37.4	↓-4.3
4/20 00:40	33.6	↓-3.8
4/20 00:50	30.3	↓-3.3
4/20 01:00	27.5	↓-2.8
4/20 01:10	25.2	↓-2.3
4/20 01:20	23.4	↓-1.8
4/20 01:30	22.2	↓-1.2
4/20 01:40	21.6	↓-0.6	干潮
4/20 01:50	21.5	↓-0.1
4/20 02:00	22.0	↑0.5
4/20 02:10	23.1	↑1.1
4/20 02:20	24.7	↑1.6
4/20 02:30	26.9	↑2.2
4/20 02:40	29.7	↑2.8
4/20 02:50	32.9	↑3.2
4/20 03:00	36.6	↑3.7
4/20 03:10	40.8	↑4.2
4/20 03:20	45.5	↑4.7
4/20 03:30	50.5	↑5.0
4/20 03:40	56.0	↑5.5
4/20 03:50	61.7	↑5.7
4/20 04:00	67.8	↑6.1
4/20 04:10	74.0	↑6.2
4/20 04:20	80.5	↑6.5
4/20 04:30	87.2	↑6.7
4/20 04:40	93.9	↑6.7
4/20 04:50	100.7	↑6.8
4/20 05:00	107.5	↑6.8
4/20 05:10	114.3	↑6.8
4/20 05:20	120.9	↑6.6
4/20 05:30	127.4	↑6.5
4/20 05:40	133.8	↑6.4
4/20 05:50	139.8	↑6.0
4/20 06:00	145.6	↑5.8
4/20 06:10	151.1	↑5.5
4/20 06:20	156.2	↑5.1
4/20 06:30	160.9	↑4.7
4/20 06:40	165.1	↑4.2
4/20 06:50	168.9	↑3.8
4/20 07:00	172.2	↑3.3
4/20 07:10	174.9	↑2.7
4/20 07:20	177.1	↑2.2
4/20 07:30	178.7	↑1.6
4/20 07:40	179.7	↑1.0
4/20 07:50	180.1	↑0.4	満潮
4/20 08:00	180.0	↓-0.1
4/20 08:10	179.2	↓-0.8
4/20 08:20	177.8	↓-1.4
4/20 08:30	175.9	↓-1.9
4/20 08:40	173.4	↓-2.5
4/20 08:50	170.3	↓-3.1
4/20 09:00	166.7	↓-3.6
4/20 09:10	162.5	↓-4.2
4/20 09:20	157.9	↓-4.6
4/20 09:30	152.8	↓-5.1
4/20 09:40	147.3	↓-5.5
4/20 09:50	141.4	↓-5.9
4/20 10:00	135.2	↓-6.2
4/20 10:10	128.7	↓-6.5
4/20 10:20	121.9	↓-6.8
4/20 10:30	114.9	↓-7.0
4/20 10:40	107.8	↓-7.1
4/20 10:50	100.5	↓-7.3
4/20 11:00	93.2	↓-7.3
4/20 11:10	86.0	↓-7.2
4/20 11:20	78.7	↓-7.3
4/20 11:30	71.6	↓-7.1
4/20 11:40	64.6	↓-7.0
4/20 11:50	57.9	↓-6.7
4/20 12:00	51.3	↓-6.6
4/20 12:10	45.1	↓-6.2
4/20 12:20	39.3	↓-5.8
4/20 12:30	33.8	↓-5.5
4/20 12:40	28.7	↓-5.1
4/20 12:50	24.1	↓-4.6
4/20 13:00	20.1	↓-4.0
4/20 13:10	16.5	↓-3.6
4/20 13:20	13.5	↓-3.0
4/20 13:30	11.1	↓-2.4
4/20 13:40	9.2	↓-1.9
4/20 13:50	8.0	↓-1.2
4/20 14:00	7.4	↓-0.6	干潮
4/20 14:10	7.4	0
4/20 14:20	8.1	↑0.7
4/20 14:30	9.3	↑1.2
4/20 14:40	11.2	↑1.9
4/20 14:50	13.7	↑2.5
4/20 15:00	16.7	↑3.0
4/20 15:10	20.3	↑3.6
4/20 15:20	24.5	↑4.2
4/20 15:30	29.2	↑4.7
4/20 15:40	34.3	↑5.1
4/20 15:50	39.9	↑5.6
4/20 16:00	45.8	↑5.9
4/20 16:10	52.2	↑6.4
4/20 16:20	58.8	↑6.6
4/20 16:30	65.7	↑6.9
4/20 16:40	72.8	↑7.1
4/20 16:50	80.1	↑7.3
4/20 17:00	87.5	↑7.4
4/20 17:10	95.0	↑7.5	最大潮位差
4/20 17:20	102.4	↑7.4
4/20 17:30	109.8	↑7.4
4/20 17:40	117.1	↑7.3
4/20 17:50	124.3	↑7.2
4/20 18:00	131.3	↑7.0
4/20 18:10	138.0	↑6.7
4/20 18:20	144.4	↑6.4
4/20 18:30	150.4	↑6.0
4/20 18:40	156.1	↑5.7
4/20 18:50	161.4	↑5.3
4/20 19:00	166.1	↑4.7
4/20 19:10	170.4	↑4.3
4/20 19:20	174.1	↑3.7
4/20 19:30	177.3	↑3.2
4/20 19:40	179.9	↑2.6
4/20 19:50	181.9	↑2.0
4/20 20:00	183.3	↑1.4
4/20 20:10	184.1	↑0.8	満潮
4/20 20:20	184.2	↑0.1
4/20 20:30	183.8	↓-0.4
4/20 20:40	182.7	↓-1.1
4/20 20:50	180.9	↓-1.8
4/20 21:00	178.6	↓-2.3
4/20 21:10	175.7	↓-2.9
4/20 21:20	172.3	↓-3.4
4/20 21:30	168.3	↓-4.0
4/20 21:40	163.8	↓-4.5
4/20 21:50	158.8	↓-5.0
4/20 22:00	153.4	↓-5.4
4/20 22:10	147.6	↓-5.8
4/20 22:20	141.5	↓-6.1
4/20 22:30	135.0	↓-6.5
4/20 22:40	128.3	↓-6.7
4/20 22:50	121.4	↓-6.9
4/20 23:00	114.3	↓-7.1
4/20 23:10	107.2	↓-7.1
4/20 23:20	99.9	↓-7.3
4/20 23:30	92.7	↓-7.2
4/20 23:40	85.6	↓-7.1
4/20 23:50	78.5	↓-7.1