20 (水)	07:19	01:01	19:31	13:28
	167cm	31cm	168cm	33cm
中潮 出 05:47 入 18:59 出 04:26 入 16:00 潮干狩り ○ 12:27～14:28

網湾（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	38.1	↓-2.8
4/20 00:10	35.7	↓-2.4
4/20 00:20	33.7	↓-2.0
4/20 00:30	32.2	↓-1.5
4/20 00:40	31.0	↓-1.2
4/20 00:50	30.4	↓-0.6
4/20 01:00	30.1	↓-0.3	干潮
4/20 01:10	30.3	↑0.2
4/20 01:20	31.0	↑0.7
4/20 01:30	32.1	↑1.1
4/20 01:40	33.7	↑1.6
4/20 01:50	35.7	↑2.0
4/20 02:00	38.1	↑2.4
4/20 02:10	41.0	↑2.9
4/20 02:20	44.2	↑3.2
4/20 02:30	47.8	↑3.6
4/20 02:40	51.8	↑4.0
4/20 02:50	56.1	↑4.3
4/20 03:00	60.7	↑4.6
4/20 03:10	65.5	↑4.8
4/20 03:20	70.6	↑5.1
4/20 03:30	75.8	↑5.2
4/20 03:40	81.3	↑5.5
4/20 03:50	86.8	↑5.5
4/20 04:00	92.5	↑5.7
4/20 04:10	98.2	↑5.7
4/20 04:20	103.9	↑5.7
4/20 04:30	109.5	↑5.6
4/20 04:40	115.1	↑5.6
4/20 04:50	120.6	↑5.5
4/20 05:00	125.9	↑5.3
4/20 05:10	131.0	↑5.1
4/20 05:20	136.0	↑5.0
4/20 05:30	140.6	↑4.6
4/20 05:40	145.0	↑4.4
4/20 05:50	149.0	↑4.0
4/20 06:00	152.7	↑3.7
4/20 06:10	156.0	↑3.3
4/20 06:20	158.9	↑2.9
4/20 06:30	161.4	↑2.5
4/20 06:40	163.4	↑2.0
4/20 06:50	165.0	↑1.6
4/20 07:00	166.1	↑1.1
4/20 07:10	166.8	↑0.7	満潮
4/20 07:20	166.9	↑0.1
4/20 07:30	166.6	↓-0.3
4/20 07:40	165.8	↓-0.8
4/20 07:50	164.5	↓-1.3
4/20 08:00	162.8	↓-1.7
4/20 08:10	160.6	↓-2.2
4/20 08:20	157.9	↓-2.7
4/20 08:30	154.9	↓-3.0
4/20 08:40	151.4	↓-3.5
4/20 08:50	147.6	↓-3.8
4/20 09:00	143.4	↓-4.2
4/20 09:10	138.9	↓-4.5
4/20 09:20	134.1	↓-4.8
4/20 09:30	129.1	↓-5.0
4/20 09:40	123.8	↓-5.3
4/20 09:50	118.4	↓-5.4
4/20 10:00	112.8	↓-5.6
4/20 10:10	107.2	↓-5.6
4/20 10:20	101.4	↓-5.8
4/20 10:30	95.7	↓-5.7
4/20 10:40	90.0	↓-5.7
4/20 10:50	84.4	↓-5.6
4/20 11:00	78.8	↓-5.6
4/20 11:10	73.5	↓-5.3
4/20 11:20	68.3	↓-5.2
4/20 11:30	63.3	↓-5.0
4/20 11:40	58.6	↓-4.7
4/20 11:50	54.2	↓-4.4
4/20 12:00	50.1	↓-4.1
4/20 12:10	46.4	↓-3.7
4/20 12:20	43.1	↓-3.3
4/20 12:30	40.1	↓-3.0
4/20 12:40	37.7	↓-2.4
4/20 12:50	35.6	↓-2.1
4/20 13:00	34.1	↓-1.5
4/20 13:10	33.0	↓-1.1
4/20 13:20	32.4	↓-0.6	干潮
4/20 13:30	32.3	↓-0.1
4/20 13:40	32.7	↑0.4
4/20 13:50	33.6	↑0.9
4/20 14:00	35.0	↑1.4
4/20 14:10	36.8	↑1.8
4/20 14:20	39.1	↑2.3
4/20 14:30	41.9	↑2.8
4/20 14:40	45.1	↑3.2
4/20 14:50	48.7	↑3.6
4/20 15:00	52.6	↑3.9
4/20 15:10	57.0	↑4.4
4/20 15:20	61.6	↑4.6
4/20 15:30	66.5	↑4.9
4/20 15:40	71.7	↑5.2
4/20 15:50	77.1	↑5.4
4/20 16:00	82.6	↑5.5
4/20 16:10	88.3	↑5.7
4/20 16:20	94.1	↑5.8
4/20 16:30	99.9	↑5.8
4/20 16:40	105.7	↑5.8
4/20 16:50	111.5	↑5.8
4/20 17:00	117.2	↑5.7
4/20 17:10	122.8	↑5.6
4/20 17:20	128.2	↑5.4
4/20 17:30	133.4	↑5.2
4/20 17:40	138.3	↑4.9
4/20 17:50	143.0	↑4.7
4/20 18:00	147.3	↑4.3
4/20 18:10	151.3	↑4.0
4/20 18:20	154.8	↑3.5
4/20 18:30	158.0	↑3.2
4/20 18:40	160.8	↑2.8
4/20 18:50	163.0	↑2.2
4/20 19:00	164.8	↑1.8
4/20 19:10	166.1	↑1.3
4/20 19:20	166.9	↑0.8
4/20 19:30	167.2	↑0.3	満潮
4/20 19:40	166.9	↓-0.3
4/20 19:50	166.2	↓-0.7
4/20 20:00	164.9	↓-1.3
4/20 20:10	163.1	↓-1.8
4/20 20:20	160.9	↓-2.2
4/20 20:30	158.1	↓-2.8
4/20 20:40	154.9	↓-3.2
4/20 20:50	151.2	↓-3.7
4/20 21:00	147.1	↓-4.1
4/20 21:10	142.7	↓-4.4
4/20 21:20	137.8	↓-4.9
4/20 21:30	132.7	↓-5.1
4/20 21:40	127.3	↓-5.4
4/20 21:50	121.6	↓-5.7
4/20 22:00	115.7	↓-5.9
4/20 22:10	109.6	↓-6.1
4/20 22:20	103.4	↓-6.2
4/20 22:30	97.2	↓-6.2
4/20 22:40	90.9	↓-6.3	最大潮位差
4/20 22:50	84.6	↓-6.3	最大潮位差
4/20 23:00	78.4	↓-6.2
4/20 23:10	72.3	↓-6.1
4/20 23:20	66.3	↓-6.0
4/20 23:30	60.6	↓-5.7
4/20 23:40	55.0	↓-5.6
4/20 23:50	49.8	↓-5.2