20 (木)	08:28	02:01	20:29	14:28
	207cm	-11cm	203cm	19cm
大潮 出 07:03 入 18:12 出 05:38 入 16:46 潮干狩り ◎ 12:55～16:02

久根浜（長崎）2031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	34.1	↓-7.2
2/20 00:10	27.3	↓-6.8
2/20 00:20	20.9	↓-6.4
2/20 00:30	15.1	↓-5.8
2/20 00:40	9.7	↓-5.4
2/20 00:50	4.9	↓-4.8
2/20 01:00	0.6	↓-4.3
2/20 01:10	-3.0	↓-3.6
2/20 01:20	-6.0	↓-3.0
2/20 01:30	-8.4	↓-2.4
2/20 01:40	-10.1	↓-1.7
2/20 01:50	-11.1	↓-1.0
2/20 02:00	-11.5	↓-0.4	干潮
2/20 02:10	-11.2	↑0.3
2/20 02:20	-10.2	↑1.0
2/20 02:30	-8.5	↑1.7
2/20 02:40	-6.2	↑2.3
2/20 02:50	-3.2	↑3.0
2/20 03:00	0.5	↑3.7
2/20 03:10	4.7	↑4.2
2/20 03:20	9.5	↑4.8
2/20 03:30	14.9	↑5.4
2/20 03:40	20.8	↑5.9
2/20 03:50	27.2	↑6.4
2/20 04:00	34.0	↑6.8
2/20 04:10	41.3	↑7.3
2/20 04:20	48.9	↑7.6
2/20 04:30	56.9	↑8.0
2/20 04:40	65.1	↑8.2
2/20 04:50	73.6	↑8.5
2/20 05:00	82.3	↑8.7
2/20 05:10	91.0	↑8.7
2/20 05:20	99.8	↑8.8
2/20 05:30	108.7	↑8.9
2/20 05:40	117.4	↑8.7
2/20 05:50	126.1	↑8.7
2/20 06:00	134.6	↑8.5
2/20 06:10	142.8	↑8.2
2/20 06:20	150.8	↑8.0
2/20 06:30	158.4	↑7.6
2/20 06:40	165.7	↑7.3
2/20 06:50	172.4	↑6.7
2/20 07:00	178.7	↑6.3
2/20 07:10	184.4	↑5.7
2/20 07:20	189.6	↑5.2
2/20 07:30	194.0	↑4.4
2/20 07:40	197.9	↑3.9
2/20 07:50	201.0	↑3.1
2/20 08:00	203.4	↑2.4
2/20 08:10	205.1	↑1.7
2/20 08:20	206.0	↑0.9	満潮
2/20 08:30	206.2	↑0.2
2/20 08:40	205.6	↓-0.6
2/20 08:50	204.3	↓-1.3
2/20 09:00	202.2	↓-2.1
2/20 09:10	199.4	↓-2.8
2/20 09:20	195.9	↓-3.5
2/20 09:30	191.8	↓-4.1
2/20 09:40	187.0	↓-4.8
2/20 09:50	181.6	↓-5.4
2/20 10:00	175.7	↓-5.9
2/20 10:10	169.3	↓-6.4
2/20 10:20	162.4	↓-6.9
2/20 10:30	155.2	↓-7.2
2/20 10:40	147.7	↓-7.5
2/20 10:50	139.9	↓-7.8
2/20 11:00	131.9	↓-8.0
2/20 11:10	123.7	↓-8.2
2/20 11:20	115.5	↓-8.2
2/20 11:30	107.3	↓-8.2
2/20 11:40	99.2	↓-8.1
2/20 11:50	91.1	↓-8.1
2/20 12:00	83.3	↓-7.8
2/20 12:10	75.7	↓-7.6
2/20 12:20	68.4	↓-7.3
2/20 12:30	61.4	↓-7.0
2/20 12:40	54.8	↓-6.6
2/20 12:50	48.7	↓-6.1
2/20 13:00	43.0	↓-5.7
2/20 13:10	37.9	↓-5.1
2/20 13:20	33.3	↓-4.6
2/20 13:30	29.3	↓-4.0
2/20 13:40	25.9	↓-3.4
2/20 13:50	23.2	↓-2.7
2/20 14:00	21.0	↓-2.2
2/20 14:10	19.6	↓-1.4
2/20 14:20	18.8	↓-0.8	干潮
2/20 14:30	18.6	↓-0.2
2/20 14:40	19.1	↑0.5
2/20 14:50	20.3	↑1.2
2/20 15:00	22.1	↑1.8
2/20 15:10	24.6	↑2.5
2/20 15:20	27.7	↑3.1
2/20 15:30	31.3	↑3.6
2/20 15:40	35.6	↑4.3
2/20 15:50	40.3	↑4.7
2/20 16:00	45.6	↑5.3
2/20 16:10	51.4	↑5.8
2/20 16:20	57.6	↑6.2
2/20 16:30	64.2	↑6.6
2/20 16:40	71.1	↑6.9
2/20 16:50	78.4	↑7.3
2/20 17:00	85.9	↑7.5
2/20 17:10	93.6	↑7.7
2/20 17:20	101.5	↑7.9
2/20 17:30	109.4	↑7.9
2/20 17:40	117.4	↑8.0
2/20 17:50	125.3	↑7.9
2/20 18:00	133.2	↑7.9
2/20 18:10	140.9	↑7.7
2/20 18:20	148.4	↑7.5
2/20 18:30	155.7	↑7.3
2/20 18:40	162.6	↑6.9
2/20 18:50	169.1	↑6.5
2/20 19:00	175.2	↑6.1
2/20 19:10	180.8	↑5.6
2/20 19:20	185.9	↑5.1
2/20 19:30	190.4	↑4.5
2/20 19:40	194.2	↑3.8
2/20 19:50	197.4	↑3.2
2/20 20:00	199.8	↑2.4
2/20 20:10	201.5	↑1.7
2/20 20:20	202.5	↑1.0	満潮
2/20 20:30	202.7	↑0.2
2/20 20:40	202.2	↓-0.5
2/20 20:50	200.8	↓-1.4
2/20 21:00	198.7	↓-2.1
2/20 21:10	195.8	↓-2.9
2/20 21:20	192.1	↓-3.7
2/20 21:30	187.7	↓-4.4
2/20 21:40	182.6	↓-5.1
2/20 21:50	176.9	↓-5.7
2/20 22:00	170.5	↓-6.4
2/20 22:10	163.5	↓-7.0
2/20 22:20	156.0	↓-7.5
2/20 22:30	148.1	↓-7.9
2/20 22:40	139.7	↓-8.4
2/20 22:50	131.0	↓-8.7
2/20 23:00	122.0	↓-9.0
2/20 23:10	112.8	↓-9.2
2/20 23:20	103.4	↓-9.4
2/20 23:30	94.0	↓-9.4
2/20 23:40	84.5	↓-9.5	最大潮位差
2/20 23:50	75.1	↓-9.4