18 (木)	07:02	00:28	18:24	12:31
	153cm	-1cm	178cm	61cm
大潮 出 07:11 入 18:36 出 17:10 入 05:56

長山（沖縄）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	0.0	↓-1.6
2/18 00:10	-1.1	0
2/18 00:20	-1.7	↓-0.6	干潮
2/18 00:30	-1.8	↓-0.1
2/18 00:40	-1.4	↑0.4
2/18 00:50	-0.5	↑0.9
2/18 01:00	0.9	↑1.4
2/18 01:10	2.8	↑1.9
2/18 01:20	5.1	↑2.3
2/18 01:30	7.9	↑2.8
2/18 01:40	11.1	↑3.2
2/18 01:50	14.8	↑3.7
2/18 02:00	18.8	↑4.0
2/18 02:10	23.3	↑4.5
2/18 02:20	28.0	↑4.7
2/18 02:30	33.1	↑5.1
2/18 02:40	38.4	↑5.3
2/18 02:50	44.0	↑5.6
2/18 03:00	49.8	↑5.8
2/18 03:10	55.7	↑5.9
2/18 03:20	61.8	↑6.1
2/18 03:30	67.9	↑6.1
2/18 03:40	74.1	↑6.2
2/18 03:50	80.3	↑6.2
2/18 04:00	86.5	↑6.2
2/18 04:10	92.6	↑6.1
2/18 04:20	98.6	↑6.0
2/18 04:30	104.4	↑5.8
2/18 04:40	110.1	↑5.7
2/18 04:50	115.5	↑5.4
2/18 05:00	120.6	↑5.1
2/18 05:10	125.5	↑4.9
2/18 05:20	130.0	↑4.5
2/18 05:30	134.2	↑4.2
2/18 05:40	138.0	↑3.8
2/18 05:50	141.4	↑3.4
2/18 06:00	144.3	↑2.9
2/18 06:10	146.9	↑2.6
2/18 06:20	149.0	↑2.1
2/18 06:30	150.6	↑1.6
2/18 06:40	151.8	↑1.2
2/18 06:50	152.5	↑0.7
2/18 07:00	152.8	↑0.3	満潮
2/18 07:10	152.6	↓-0.2
2/18 07:20	151.9	↓-0.7
2/18 07:30	150.9	↓-1.0
2/18 07:40	149.4	↓-1.5
2/18 07:50	147.5	↓-1.9
2/18 08:00	145.2	↓-2.3
2/18 08:10	142.6	↓-2.6
2/18 08:20	139.7	↓-2.9
2/18 08:30	136.4	↓-3.3
2/18 08:40	132.9	↓-3.5
2/18 08:50	129.2	↓-3.7
2/18 09:00	125.3	↓-3.9
2/18 09:10	121.2	↓-4.1
2/18 09:20	117.0	↓-4.2
2/18 09:30	112.7	↓-4.3
2/18 09:40	108.4	↓-4.3
2/18 09:50	104.0	↓-4.4
2/18 10:00	99.7	↓-4.3
2/18 10:10	95.4	↓-4.3
2/18 10:20	91.3	↓-4.1
2/18 10:30	87.3	↓-4.0
2/18 10:40	83.4	↓-3.9
2/18 10:50	79.8	↓-3.6
2/18 11:00	76.4	↓-3.4
2/18 11:10	73.3	↓-3.1
2/18 11:20	70.5	↓-2.8
2/18 11:30	68.0	↓-2.5
2/18 11:40	65.8	↓-2.2
2/18 11:50	64.0	↓-1.8
2/18 12:00	62.6	↓-1.4
2/18 12:10	61.6	↓-1.0
2/18 12:20	61.0	↓-0.6
2/18 12:30	60.8	↓-0.2	干潮
2/18 12:40	61.0	↑0.2
2/18 12:50	61.6	↑0.6
2/18 13:00	62.7	↑1.1
2/18 13:10	64.2	↑1.5
2/18 13:20	66.1	↑1.9
2/18 13:30	68.4	↑2.3
2/18 13:40	71.0	↑2.6
2/18 13:50	74.1	↑3.1
2/18 14:00	77.4	↑3.3
2/18 14:10	81.2	↑3.8
2/18 14:20	85.2	↑4.0
2/18 14:30	89.4	↑4.2
2/18 14:40	93.9	↑4.5
2/18 14:50	98.7	↑4.8
2/18 15:00	103.6	↑4.9
2/18 15:10	108.6	↑5.0
2/18 15:20	113.7	↑5.1
2/18 15:30	118.9	↑5.2
2/18 15:40	124.1	↑5.2
2/18 15:50	129.2	↑5.1
2/18 16:00	134.3	↑5.1
2/18 16:10	139.3	↑5.0
2/18 16:20	144.2	↑4.9
2/18 16:30	148.9	↑4.7
2/18 16:40	153.3	↑4.4
2/18 16:50	157.5	↑4.2
2/18 17:00	161.3	↑3.8
2/18 17:10	164.9	↑3.6
2/18 17:20	168.0	↑3.1
2/18 17:30	170.8	↑2.8
2/18 17:40	173.1	↑2.3
2/18 17:50	175.0	↑1.9
2/18 18:00	176.4	↑1.4
2/18 18:10	177.3	↑0.9
2/18 18:20	177.7	↑0.4	満潮
2/18 18:30	177.5	↓-0.2
2/18 18:40	176.9	↓-0.6
2/18 18:50	175.7	↓-1.2
2/18 19:00	174.0	↓-1.7
2/18 19:10	171.8	↓-2.2
2/18 19:20	169.0	↓-2.8
2/18 19:30	165.7	↓-3.3
2/18 19:40	162.0	↓-3.7
2/18 19:50	157.7	↓-4.3
2/18 20:00	153.0	↓-4.7
2/18 20:10	147.9	↓-5.1
2/18 20:20	142.4	↓-5.5
2/18 20:30	136.5	↓-5.9
2/18 20:40	130.3	↓-6.2
2/18 20:50	123.8	↓-6.5
2/18 21:00	117.1	↓-6.7
2/18 21:10	110.1	↓-7.0
2/18 21:20	102.9	↓-7.2
2/18 21:30	95.7	↓-7.2
2/18 21:40	88.3	↓-7.4	最大潮位差
2/18 21:50	80.9	↓-7.4	最大潮位差
2/18 22:00	73.6	↓-7.3
2/18 22:10	66.3	↓-7.3
2/18 22:20	59.0	↓-7.3
2/18 22:30	52.0	↓-7.0
2/18 22:40	45.1	↓-6.9
2/18 22:50	38.4	↓-6.7
2/18 23:00	32.1	↓-6.3
2/18 23:10	26.0	↓-6.1
2/18 23:20	20.3	↓-5.7
2/18 23:30	15.0	↓-5.3
2/18 23:40	10.1	↓-4.9
2/18 23:50	5.7	↓-4.4