18 (日)	07:20	00:46	18:37	12:48
	150cm	6cm	170cm	65cm
大潮 出 07:11 入 18:36 出 17:29 入 06:17

長山（沖縄）2057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	10.3	↓-2.3
2/18 00:10	8.4	↓-1.9
2/18 00:20	7.0	↓-1.4
2/18 00:30	6.1	↓-0.9
2/18 00:40	5.6	↓-0.5	干潮
2/18 00:50	5.6	0
2/18 01:00	6.0	↑0.4
2/18 01:10	6.9	↑0.9
2/18 01:20	8.3	↑1.4
2/18 01:30	10.1	↑1.8
2/18 01:40	12.3	↑2.2
2/18 01:50	15.0	↑2.7
2/18 02:00	18.1	↑3.1
2/18 02:10	21.6	↑3.5
2/18 02:20	25.4	↑3.8
2/18 02:30	29.6	↑4.2
2/18 02:40	34.0	↑4.4
2/18 02:50	38.8	↑4.8
2/18 03:00	43.8	↑5.0
2/18 03:10	49.0	↑5.2
2/18 03:20	54.4	↑5.4
2/18 03:30	60.0	↑5.6
2/18 03:40	65.6	↑5.6
2/18 03:50	71.4	↑5.8
2/18 04:00	77.1	↑5.7
2/18 04:10	82.9	↑5.8
2/18 04:20	88.6	↑5.7
2/18 04:30	94.3	↑5.7
2/18 04:40	99.8	↑5.5
2/18 04:50	105.2	↑5.4
2/18 05:00	110.4	↑5.2
2/18 05:10	115.4	↑5.0
2/18 05:20	120.1	↑4.7
2/18 05:30	124.6	↑4.5
2/18 05:40	128.7	↑4.1
2/18 05:50	132.5	↑3.8
2/18 06:00	135.9	↑3.4
2/18 06:10	139.0	↑3.1
2/18 06:20	141.7	↑2.7
2/18 06:30	144.0	↑2.3
2/18 06:40	145.8	↑1.8
2/18 06:50	147.3	↑1.5
2/18 07:00	148.3	↑1.0
2/18 07:10	148.9	↑0.6	満潮
2/18 07:20	149.0	↑0.1	満潮
2/18 07:30	148.8	↓-0.2
2/18 07:40	148.1	↓-0.7
2/18 07:50	147.0	↓-1.1
2/18 08:00	145.6	↓-1.4
2/18 08:10	143.8	↓-1.8
2/18 08:20	141.6	↓-2.2
2/18 08:30	139.1	↓-2.5
2/18 08:40	136.4	↓-2.7
2/18 08:50	133.3	↓-3.1
2/18 09:00	130.1	↓-3.2
2/18 09:10	126.6	↓-3.5
2/18 09:20	122.9	↓-3.7
2/18 09:30	119.1	↓-3.8
2/18 09:40	115.3	↓-3.8
2/18 09:50	111.3	↓-4.0
2/18 10:00	107.3	↓-4.0
2/18 10:10	103.3	↓-4.0
2/18 10:20	99.3	↓-4.0
2/18 10:30	95.5	↓-3.8
2/18 10:40	91.7	↓-3.8
2/18 10:50	88.0	↓-3.7
2/18 11:00	84.5	↓-3.5
2/18 11:10	81.3	↓-3.2
2/18 11:20	78.2	↓-3.1
2/18 11:30	75.4	↓-2.8
2/18 11:40	72.9	↓-2.5
2/18 11:50	70.7	↓-2.2
2/18 12:00	68.8	↓-1.9
2/18 12:10	67.2	↓-1.6
2/18 12:20	66.0	↓-1.2
2/18 12:30	65.2	↓-0.8
2/18 12:40	64.7	↓-0.5	干潮
2/18 12:50	64.7	0
2/18 13:00	65.0	↑0.3
2/18 13:10	65.7	↑0.7
2/18 13:20	66.8	↑1.1
2/18 13:30	68.2	↑1.4
2/18 13:40	70.1	↑1.9
2/18 13:50	72.3	↑2.2
2/18 14:00	74.8	↑2.5
2/18 14:10	77.7	↑2.9
2/18 14:20	80.9	↑3.2
2/18 14:30	84.3	↑3.4
2/18 14:40	88.0	↑3.7
2/18 14:50	92.0	↑4.0
2/18 15:00	96.2	↑4.2
2/18 15:10	100.5	↑4.3
2/18 15:20	105.0	↑4.5
2/18 15:30	109.6	↑4.6
2/18 15:40	114.2	↑4.6
2/18 15:50	118.9	↑4.7
2/18 16:00	123.6	↑4.7
2/18 16:10	128.3	↑4.7
2/18 16:20	132.8	↑4.5
2/18 16:30	137.3	↑4.5
2/18 16:40	141.6	↑4.3
2/18 16:50	145.7	↑4.1
2/18 17:00	149.6	↑3.9
2/18 17:10	153.2	↑3.6
2/18 17:20	156.5	↑3.3
2/18 17:30	159.5	↑3.0
2/18 17:40	162.1	↑2.6
2/18 17:50	164.4	↑2.3
2/18 18:00	166.2	↑1.8
2/18 18:10	167.7	↑1.5
2/18 18:20	168.7	↑1.0
2/18 18:30	169.2	↑0.5	満潮
2/18 18:40	169.2	0
2/18 18:50	168.8	↓-0.4
2/18 19:00	167.9	↓-0.9
2/18 19:10	166.5	↓-1.4
2/18 19:20	164.6	↓-1.9
2/18 19:30	162.2	↓-2.4
2/18 19:40	159.4	↓-2.8
2/18 19:50	156.1	↓-3.3
2/18 20:00	152.4	↓-3.7
2/18 20:10	148.2	↓-4.2
2/18 20:20	143.7	↓-4.5
2/18 20:30	138.8	↓-4.9
2/18 20:40	133.5	↓-5.3
2/18 20:50	127.9	↓-5.6
2/18 21:00	122.1	↓-5.8
2/18 21:10	116.0	↓-6.1
2/18 21:20	109.7	↓-6.3
2/18 21:30	103.2	↓-6.5
2/18 21:40	96.6	↓-6.6
2/18 21:50	89.9	↓-6.7
2/18 22:00	83.1	↓-6.8	最大潮位差
2/18 22:10	76.4	↓-6.7
2/18 22:20	69.7	↓-6.7
2/18 22:30	63.1	↓-6.6
2/18 22:40	56.6	↓-6.5
2/18 22:50	50.2	↓-6.4
2/18 23:00	44.1	↓-6.1
2/18 23:10	38.2	↓-5.9
2/18 23:20	32.6	↓-5.6
2/18 23:30	27.3	↓-5.3
2/18 23:40	22.4	↓-4.9
2/18 23:50	17.8	↓-4.6