20 (木)	09:28	03:05	21:14	15:17
	247cm	-10cm	262cm	51cm
大潮 出 07:01 入 18:12 出 07:10 入 18:05 潮干狩り ○ 14:26～16:07

黒子島（長崎）2042年02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
2/20 00:00	112.0	↓-10.7	最大潮位差
2/20 00:10	101.4	↓-10.6
2/20 00:20	90.8	↓-10.6
2/20 00:30	80.5	↓-10.3
2/20 00:40	70.4	↓-10.1
2/20 00:50	60.7	↓-9.7
2/20 01:00	51.3	↓-9.4
2/20 01:10	42.4	↓-8.9
2/20 01:20	34.1	↓-8.3
2/20 01:30	26.3	↓-7.8
2/20 01:40	19.1	↓-7.2
2/20 01:50	12.6	↓-6.5
2/20 02:00	6.8	↓-5.8
2/20 02:10	1.8	↓-5.0
2/20 02:20	-2.4	↓-4.2
2/20 02:30	-5.8	↓-3.4
2/20 02:40	-8.4	↓-2.6
2/20 02:50	-10.1	↓-1.7
2/20 03:00	-10.9	↓-0.8	干潮
2/20 03:10	-10.8	↑0.1
2/20 03:20	-9.9	↑0.9
2/20 03:30	-8.1	↑1.8
2/20 03:40	-5.4	↑2.7
2/20 03:50	-1.9	↑3.5
2/20 04:00	2.5	↑4.4
2/20 04:10	7.6	↑5.1
2/20 04:20	13.5	↑5.9
2/20 04:30	20.1	↑6.6
2/20 04:40	27.3	↑7.2
2/20 04:50	35.2	↑7.9
2/20 05:00	43.7	↑8.5
2/20 05:10	52.6	↑8.9
2/20 05:20	62.0	↑9.4
2/20 05:30	71.7	↑9.7
2/20 05:40	81.8	↑10.1
2/20 05:50	92.1	↑10.3
2/20 06:00	102.6	↑10.5
2/20 06:10	113.2	↑10.6
2/20 06:20	123.8	↑10.6
2/20 06:30	134.3	↑10.5
2/20 06:40	144.8	↑10.5
2/20 06:50	155.0	↑10.2
2/20 07:00	165.0	↑10.0
2/20 07:10	174.7	↑9.7
2/20 07:20	183.9	↑9.2
2/20 07:30	192.8	↑8.9
2/20 07:40	201.1	↑8.3
2/20 07:50	208.8	↑7.7
2/20 08:00	215.9	↑7.1
2/20 08:10	222.4	↑6.5
2/20 08:20	228.2	↑5.8
2/20 08:30	233.2	↑5.0
2/20 08:40	237.5	↑4.3
2/20 08:50	240.9	↑3.4
2/20 09:00	243.6	↑2.7
2/20 09:10	245.4	↑1.8
2/20 09:20	246.4	↑1.0	満潮
2/20 09:30	246.6	↑0.2
2/20 09:40	246.0	↓-0.6
2/20 09:50	244.5	↓-1.5
2/20 10:00	242.3	↓-2.2
2/20 10:10	239.2	↓-3.1
2/20 10:20	235.5	↓-3.7
2/20 10:30	231.0	↓-4.5
2/20 10:40	225.8	↓-5.2
2/20 10:50	220.0	↓-5.8
2/20 11:00	213.7	↓-6.3
2/20 11:10	206.8	↓-6.9
2/20 11:20	199.5	↓-7.3
2/20 11:30	191.7	↓-7.8
2/20 11:40	183.6	↓-8.1
2/20 11:50	175.3	↓-8.3
2/20 12:00	166.7	↓-8.6
2/20 12:10	157.9	↓-8.8
2/20 12:20	149.2	↓-8.7
2/20 12:30	140.3	↓-8.9
2/20 12:40	131.6	↓-8.7
2/20 12:50	123.0	↓-8.6
2/20 13:00	114.6	↓-8.4
2/20 13:10	106.5	↓-8.1
2/20 13:20	98.7	↓-7.8
2/20 13:30	91.3	↓-7.4
2/20 13:40	84.4	↓-6.9
2/20 13:50	78.0	↓-6.4
2/20 14:00	72.1	↓-5.9
2/20 14:10	66.9	↓-5.2
2/20 14:20	62.3	↓-4.6
2/20 14:30	58.4	↓-3.9
2/20 14:40	55.2	↓-3.2
2/20 14:50	52.8	↓-2.4
2/20 15:00	51.1	↓-1.7
2/20 15:10	50.2	↓-0.9	干潮
2/20 15:20	50.1	↓-0.1
2/20 15:30	50.8	↑0.7
2/20 15:40	52.3	↑1.5
2/20 15:50	54.6	↑2.3
2/20 16:00	57.6	↑3.0
2/20 16:10	61.4	↑3.8
2/20 16:20	65.9	↑4.5
2/20 16:30	71.1	↑5.2
2/20 16:40	76.9	↑5.8
2/20 16:50	83.3	↑6.4
2/20 17:00	90.3	↑7.0
2/20 17:10	97.8	↑7.5
2/20 17:20	105.8	↑8.0
2/20 17:30	114.1	↑8.3
2/20 17:40	122.8	↑8.7
2/20 17:50	131.7	↑8.9
2/20 18:00	140.8	↑9.1
2/20 18:10	150.1	↑9.3
2/20 18:20	159.3	↑9.2
2/20 18:30	168.6	↑9.3
2/20 18:40	177.8	↑9.2
2/20 18:50	186.8	↑9.0
2/20 19:00	195.6	↑8.8
2/20 19:10	204.1	↑8.5
2/20 19:20	212.2	↑8.1
2/20 19:30	219.9	↑7.7
2/20 19:40	227.1	↑7.2
2/20 19:50	233.7	↑6.6
2/20 20:00	239.8	↑6.1
2/20 20:10	245.2	↑5.4
2/20 20:20	249.8	↑4.6
2/20 20:30	253.8	↑4.0
2/20 20:40	256.9	↑3.1
2/20 20:50	259.3	↑2.4
2/20 21:00	260.8	↑1.5
2/20 21:10	261.5	↑0.7	満潮
2/20 21:20	261.3	↓-0.2
2/20 21:30	260.2	↓-1.1
2/20 21:40	258.3	↓-1.9
2/20 21:50	255.5	↓-2.8
2/20 22:00	251.8	↓-3.7
2/20 22:10	247.4	↓-4.4
2/20 22:20	242.1	↓-5.3
2/20 22:30	236.1	↓-6.0
2/20 22:40	229.3	↓-6.8
2/20 22:50	221.8	↓-7.5
2/20 23:00	213.7	↓-8.1
2/20 23:10	205.0	↓-8.7
2/20 23:20	195.7	↓-9.3
2/20 23:30	186.0	↓-9.7
2/20 23:40	175.9	↓-10.1
2/20 23:50	165.4	↓-10.5