18 (木)	08:51	02:26	20:45	14:51
	187cm	-3cm	182cm	29cm
大潮 出 07:05 入 18:10 出 16:34 入 05:59 潮干狩り ○ 13:36～16:05

島山（長崎）2038年02月18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
2/18 00:00	53.3	↓-6.9
2/18 00:10	46.7	↓-6.6
2/18 00:20	40.3	↓-6.4
2/18 00:30	34.1	↓-6.2
2/18 00:40	28.4	↓-5.7
2/18 00:50	23.0	↓-5.4
2/18 01:00	18.0	↓-5.0
2/18 01:10	13.5	↓-4.5
2/18 01:20	9.4	↓-4.1
2/18 01:30	5.9	↓-3.5
2/18 01:40	3.0	↓-2.9
2/18 01:50	0.6	↓-2.4
2/18 02:00	-1.2	↓-1.8
2/18 02:10	-2.5	↓-1.3
2/18 02:20	-3.0	↓-0.5	干潮
2/18 02:30	-3.0	0
2/18 02:40	-2.4	↑0.6
2/18 02:50	-1.1	↑1.3
2/18 03:00	0.8	↑1.9
2/18 03:10	3.2	↑2.4
2/18 03:20	6.3	↑3.1
2/18 03:30	9.9	↑3.6
2/18 03:40	14.1	↑4.2
2/18 03:50	18.8	↑4.7
2/18 04:00	24.0	↑5.2
2/18 04:10	29.6	↑5.6
2/18 04:20	35.7	↑6.1
2/18 04:30	42.1	↑6.4
2/18 04:40	48.8	↑6.7
2/18 04:50	55.9	↑7.1
2/18 05:00	63.1	↑7.2
2/18 05:10	70.6	↑7.5
2/18 05:20	78.2	↑7.6
2/18 05:30	85.9	↑7.7
2/18 05:40	93.6	↑7.7
2/18 05:50	101.3	↑7.7
2/18 06:00	109.0	↑7.7
2/18 06:10	116.5	↑7.5
2/18 06:20	123.9	↑7.4
2/18 06:30	131.0	↑7.1
2/18 06:40	137.9	↑6.9
2/18 06:50	144.5	↑6.6
2/18 07:00	150.7	↑6.2
2/18 07:10	156.5	↑5.8
2/18 07:20	161.9	↑5.4
2/18 07:30	166.8	↑4.9
2/18 07:40	171.2	↑4.4
2/18 07:50	175.1	↑3.9
2/18 08:00	178.4	↑3.3
2/18 08:10	181.1	↑2.7
2/18 08:20	183.3	↑2.2
2/18 08:30	184.8	↑1.5
2/18 08:40	185.7	↑0.9
2/18 08:50	186.0	↑0.3	満潮
2/18 09:00	185.7	↓-0.3
2/18 09:10	184.8	↓-0.9
2/18 09:20	183.3	↓-1.5
2/18 09:30	181.2	↓-2.1
2/18 09:40	178.5	↓-2.7
2/18 09:50	175.3	↓-3.2
2/18 10:00	171.6	↓-3.7
2/18 10:10	167.4	↓-4.2
2/18 10:20	162.7	↓-4.7
2/18 10:30	157.6	↓-5.1
2/18 10:40	152.1	↓-5.5
2/18 10:50	146.3	↓-5.8
2/18 11:00	140.2	↓-6.1
2/18 11:10	133.8	↓-6.4
2/18 11:20	127.3	↓-6.5
2/18 11:30	120.6	↓-6.7
2/18 11:40	113.8	↓-6.8
2/18 11:50	106.9	↓-6.9
2/18 12:00	100.1	↓-6.8
2/18 12:10	93.3	↓-6.8
2/18 12:20	86.6	↓-6.7
2/18 12:30	80.1	↓-6.5
2/18 12:40	73.8	↓-6.3
2/18 12:50	67.7	↓-6.1
2/18 13:00	62.0	↓-5.7
2/18 13:10	56.6	↓-5.4
2/18 13:20	51.6	↓-5.0
2/18 13:30	47.0	↓-4.6
2/18 13:40	42.8	↓-4.2
2/18 13:50	39.2	↓-3.6
2/18 14:00	36.0	↓-3.2
2/18 14:10	33.4	↓-2.6
2/18 14:20	31.4	↓-2.0
2/18 14:30	29.9	↓-1.5
2/18 14:40	29.0	↓-0.9
2/18 14:50	28.7	↓-0.3	干潮
2/18 15:00	29.0	↑0.3
2/18 15:10	29.9	↑0.9
2/18 15:20	31.4	↑1.5
2/18 15:30	33.5	↑2.1
2/18 15:40	36.1	↑2.6
2/18 15:50	39.2	↑3.1
2/18 16:00	42.8	↑3.6
2/18 16:10	47.0	↑4.2
2/18 16:20	51.6	↑4.6
2/18 16:30	56.6	↑5.0
2/18 16:40	62.0	↑5.4
2/18 16:50	67.7	↑5.7
2/18 17:00	73.7	↑6.0
2/18 17:10	80.0	↑6.3
2/18 17:20	86.5	↑6.5
2/18 17:30	93.1	↑6.6
2/18 17:40	99.8	↑6.7
2/18 17:50	106.6	↑6.8
2/18 18:00	113.4	↑6.8
2/18 18:10	120.1	↑6.7
2/18 18:20	126.7	↑6.6
2/18 18:30	133.1	↑6.4
2/18 18:40	139.3	↑6.2
2/18 18:50	145.3	↑6.0
2/18 19:00	150.9	↑5.6
2/18 19:10	156.2	↑5.3
2/18 19:20	161.1	↑4.9
2/18 19:30	165.6	↑4.5
2/18 19:40	169.5	↑3.9
2/18 19:50	173.0	↑3.5
2/18 20:00	175.9	↑2.9
2/18 20:10	178.3	↑2.4
2/18 20:20	180.1	↑1.8
2/18 20:30	181.3	↑1.2
2/18 20:40	181.8	↑0.5	満潮
2/18 20:50	181.7	↓-0.1
2/18 21:00	181.0	↓-0.7
2/18 21:10	179.7	↓-1.3
2/18 21:20	177.7	↓-2.0
2/18 21:30	175.1	↓-2.6
2/18 21:40	171.9	↓-3.2
2/18 21:50	168.2	↓-3.7
2/18 22:00	163.8	↓-4.4
2/18 22:10	158.9	↓-4.9
2/18 22:20	153.6	↓-5.3
2/18 22:30	147.7	↓-5.9
2/18 22:40	141.4	↓-6.3
2/18 22:50	134.7	↓-6.7
2/18 23:00	127.7	↓-7.0
2/18 23:10	120.4	↓-7.3
2/18 23:20	112.9	↓-7.5
2/18 23:30	105.1	↓-7.8
2/18 23:40	97.2	↓-7.9
2/18 23:50	89.2	↓-8.0	最大潮位差