20 (水)	10:31	04:21	22:46	16:39
	198cm	-6cm	194cm	0cm
中潮 出 07:03 入 18:11 出 20:32 入 07:44 潮干狩り ◎ 14:41～18:11

島山（長崎）2030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	156.1	↓-6.7
2/20 00:10	148.9	↓-7.2
2/20 00:20	141.3	↓-7.6
2/20 00:30	133.4	↓-7.9
2/20 00:40	125.2	↓-8.2
2/20 00:50	116.9	↓-8.3
2/20 01:00	108.3	↓-8.6
2/20 01:10	99.7	↓-8.6
2/20 01:20	91.0	↓-8.7	最大潮位差
2/20 01:30	82.3	↓-8.7	最大潮位差
2/20 01:40	73.8	↓-8.5
2/20 01:50	65.4	↓-8.4
2/20 02:00	57.2	↓-8.2
2/20 02:10	49.3	↓-7.9
2/20 02:20	41.7	↓-7.6
2/20 02:30	34.5	↓-7.2
2/20 02:40	27.8	↓-6.7
2/20 02:50	21.5	↓-6.3
2/20 03:00	15.8	↓-5.7
2/20 03:10	10.6	↓-5.2
2/20 03:20	6.1	↓-4.5
2/20 03:30	2.2	↓-3.9
2/20 03:40	-1.1	↓-3.3
2/20 03:50	-3.6	↓-2.5
2/20 04:00	-5.4	↓-1.8
2/20 04:10	-6.5	↓-1.1
2/20 04:20	-6.8	↓-0.3	干潮
2/20 04:30	-6.5	↑0.3
2/20 04:40	-5.3	↑1.2
2/20 04:50	-3.5	↑1.8
2/20 05:00	-0.9	↑2.6
2/20 05:10	2.3	↑3.2
2/20 05:20	6.3	↑4.0
2/20 05:30	10.8	↑4.5
2/20 05:40	16.0	↑5.2
2/20 05:50	21.8	↑5.8
2/20 06:00	28.0	↑6.2
2/20 06:10	34.8	↑6.8
2/20 06:20	42.0	↑7.2
2/20 06:30	49.6	↑7.6
2/20 06:40	57.5	↑7.9
2/20 06:50	65.7	↑8.2
2/20 07:00	74.1	↑8.4
2/20 07:10	82.7	↑8.6
2/20 07:20	91.3	↑8.6
2/20 07:30	100.0	↑8.7	最大潮位差
2/20 07:40	108.7	↑8.7	最大潮位差
2/20 07:50	117.2	↑8.5
2/20 08:00	125.6	↑8.4
2/20 08:10	133.8	↑8.2
2/20 08:20	141.6	↑7.8
2/20 08:30	149.2	↑7.6
2/20 08:40	156.4	↑7.2
2/20 08:50	163.1	↑6.7
2/20 09:00	169.3	↑6.2
2/20 09:10	175.0	↑5.7
2/20 09:20	180.2	↑5.2
2/20 09:30	184.7	↑4.5
2/20 09:40	188.6	↑3.9
2/20 09:50	191.8	↑3.2
2/20 10:00	194.3	↑2.5
2/20 10:10	196.1	↑1.8
2/20 10:20	197.2	↑1.1
2/20 10:30	197.6	↑0.4	満潮
2/20 10:40	197.2	↓-0.4
2/20 10:50	196.1	↓-1.1
2/20 11:00	194.3	↓-1.8
2/20 11:10	191.8	↓-2.5
2/20 11:20	188.6	↓-3.2
2/20 11:30	184.7	↓-3.9
2/20 11:40	180.2	↓-4.5
2/20 11:50	175.1	↓-5.1
2/20 12:00	169.5	↓-5.6
2/20 12:10	163.3	↓-6.2
2/20 12:20	156.6	↓-6.7
2/20 12:30	149.6	↓-7.0
2/20 12:40	142.1	↓-7.5
2/20 12:50	134.4	↓-7.7
2/20 13:00	126.4	↓-8.0
2/20 13:10	118.1	↓-8.3
2/20 13:20	109.8	↓-8.3
2/20 13:30	101.3	↓-8.5
2/20 13:40	92.9	↓-8.4
2/20 13:50	84.5	↓-8.4
2/20 14:00	76.1	↓-8.4
2/20 14:10	68.0	↓-8.1
2/20 14:20	60.1	↓-7.9
2/20 14:30	52.4	↓-7.7
2/20 14:40	45.1	↓-7.3
2/20 14:50	38.2	↓-6.9
2/20 15:00	31.7	↓-6.5
2/20 15:10	25.7	↓-6.0
2/20 15:20	20.3	↓-5.4
2/20 15:30	15.4	↓-4.9
2/20 15:40	11.1	↓-4.3
2/20 15:50	7.4	↓-3.7
2/20 16:00	4.4	↓-3.0
2/20 16:10	2.1	↓-2.3
2/20 16:20	0.5	↓-1.6
2/20 16:30	-0.4	↓-0.9	干潮
2/20 16:40	-0.6	↓-0.2
2/20 16:50	-0.1	↑0.5
2/20 17:00	1.2	↑1.3
2/20 17:10	3.1	↑1.9
2/20 17:20	5.7	↑2.6
2/20 17:30	9.0	↑3.3
2/20 17:40	13.0	↑4.0
2/20 17:50	17.5	↑4.5
2/20 18:00	22.7	↑5.2
2/20 18:10	28.3	↑5.6
2/20 18:20	34.5	↑6.2
2/20 18:30	41.1	↑6.6
2/20 18:40	48.1	↑7.0
2/20 18:50	55.5	↑7.4
2/20 19:00	63.2	↑7.7
2/20 19:10	71.1	↑7.9
2/20 19:20	79.2	↑8.1
2/20 19:30	87.4	↑8.2
2/20 19:40	95.7	↑8.3
2/20 19:50	104.0	↑8.3
2/20 20:00	112.3	↑8.3
2/20 20:10	120.4	↑8.1
2/20 20:20	128.3	↑7.9
2/20 20:30	136.0	↑7.7
2/20 20:40	143.4	↑7.4
2/20 20:50	150.5	↑7.1
2/20 21:00	157.2	↑6.7
2/20 21:10	163.4	↑6.2
2/20 21:20	169.2	↑5.8
2/20 21:30	174.4	↑5.2
2/20 21:40	179.0	↑4.6
2/20 21:50	183.1	↑4.1
2/20 22:00	186.5	↑3.4
2/20 22:10	189.2	↑2.7
2/20 22:20	191.3	↑2.1
2/20 22:30	192.7	↑1.4
2/20 22:40	193.4	↑0.7	満潮
2/20 22:50	193.4	0
2/20 23:00	192.6	↓-0.8
2/20 23:10	191.2	↓-1.4
2/20 23:20	189.1	↓-2.1
2/20 23:30	186.4	↓-2.7
2/20 23:40	182.9	↓-3.5
2/20 23:50	178.9	↓-4.0