20 (月)	03:46	08:47	15:00	22:16
	119cm	86cm	146cm	30cm
長潮 出 07:10 入 18:37 出 14:02 入 02:49

長山（沖縄）2051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	73.2	↑3.1
2/20 00:10	76.3	↑3.1
2/20 00:20	79.4	↑3.1
2/20 00:30	82.5	↑3.1
2/20 00:40	85.6	↑3.1
2/20 00:50	88.6	↑3.0
2/20 01:00	91.6	↑3.0
2/20 01:10	94.5	↑2.9
2/20 01:20	97.3	↑2.8
2/20 01:30	100.0	↑2.7
2/20 01:40	102.5	↑2.5
2/20 01:50	104.9	↑2.4
2/20 02:00	107.1	↑2.2
2/20 02:10	109.2	↑2.1
2/20 02:20	111.1	↑1.9
2/20 02:30	112.8	↑1.7
2/20 02:40	114.2	↑1.4
2/20 02:50	115.5	↑1.3
2/20 03:00	116.6	↑1.1
2/20 03:10	117.4	↑0.8
2/20 03:20	118.1	↑0.7
2/20 03:30	118.5	↑0.4
2/20 03:40	118.7	↑0.2	満潮
2/20 03:50	118.7	0
2/20 04:00	118.5	↓-0.2
2/20 04:10	118.1	↓-0.4
2/20 04:20	117.5	↓-0.6
2/20 04:30	116.7	↓-0.8
2/20 04:40	115.8	↓-0.9
2/20 04:50	114.7	↓-1.1
2/20 05:00	113.5	↓-1.2
2/20 05:10	112.1	↓-1.4
2/20 05:20	110.7	↓-1.4
2/20 05:30	109.1	↓-1.6
2/20 05:40	107.5	↓-1.6
2/20 05:50	105.9	↓-1.6
2/20 06:00	104.2	↓-1.7
2/20 06:10	102.4	↓-1.8
2/20 06:20	100.7	↓-1.7
2/20 06:30	99.0	↓-1.7
2/20 06:40	97.4	↓-1.6
2/20 06:50	95.8	↓-1.6
2/20 07:00	94.2	↓-1.6
2/20 07:10	92.8	↓-1.4
2/20 07:20	91.4	↓-1.4
2/20 07:30	90.2	↓-1.2
2/20 07:40	89.0	↓-1.2
2/20 07:50	88.0	↓-1.0
2/20 08:00	87.2	↓-0.8
2/20 08:10	86.5	↓-0.7
2/20 08:20	86.0	↓-0.5
2/20 08:30	85.6	↓-0.4
2/20 08:40	85.4	↓-0.2	干潮
2/20 08:50	85.4	0
2/20 09:00	85.6	↑0.2
2/20 09:10	85.9	↑0.3
2/20 09:20	86.4	↑0.5
2/20 09:30	87.1	↑0.7
2/20 09:40	88.0	↑0.9
2/20 09:50	89.1	↑1.1
2/20 10:00	90.3	↑1.2
2/20 10:10	91.7	↑1.4
2/20 10:20	93.2	↑1.5
2/20 10:30	94.9	↑1.7
2/20 10:40	96.7	↑1.8
2/20 10:50	98.7	↑2.0
2/20 11:00	100.8	↑2.1
2/20 11:10	102.9	↑2.1
2/20 11:20	105.2	↑2.3
2/20 11:30	107.6	↑2.4
2/20 11:40	110.0	↑2.4
2/20 11:50	112.5	↑2.5
2/20 12:00	115.0	↑2.5
2/20 12:10	117.5	↑2.5
2/20 12:20	120.0	↑2.5
2/20 12:30	122.5	↑2.5
2/20 12:40	125.0	↑2.5
2/20 12:50	127.4	↑2.4
2/20 13:00	129.7	↑2.3
2/20 13:10	132.0	↑2.3
2/20 13:20	134.1	↑2.1
2/20 13:30	136.1	↑2.0
2/20 13:40	138.0	↑1.9
2/20 13:50	139.7	↑1.7
2/20 14:00	141.2	↑1.5
2/20 14:10	142.5	↑1.3
2/20 14:20	143.6	↑1.1
2/20 14:30	144.4	↑0.8
2/20 14:40	145.1	↑0.7
2/20 14:50	145.4	↑0.3	満潮
2/20 15:00	145.5	↑0.1	満潮
2/20 15:10	145.4	↓-0.1
2/20 15:20	145.0	↓-0.4
2/20 15:30	144.3	↓-0.7
2/20 15:40	143.3	↓-1.0
2/20 15:50	142.0	↓-1.3
2/20 16:00	140.5	↓-1.5
2/20 16:10	138.7	↓-1.8
2/20 16:20	136.6	↓-2.1
2/20 16:30	134.2	↓-2.4
2/20 16:40	131.6	↓-2.6
2/20 16:50	128.8	↓-2.8
2/20 17:00	125.8	↓-3.0
2/20 17:10	122.5	↓-3.3
2/20 17:20	119.0	↓-3.5
2/20 17:30	115.4	↓-3.6
2/20 17:40	111.6	↓-3.8
2/20 17:50	107.7	↓-3.9
2/20 18:00	103.7	↓-4.0
2/20 18:10	99.6	↓-4.1
2/20 18:20	95.4	↓-4.2
2/20 18:30	91.2	↓-4.2
2/20 18:40	87.0	↓-4.2
2/20 18:50	82.7	↓-4.3	最大潮位差
2/20 19:00	78.5	↓-4.2
2/20 19:10	74.4	↓-4.1
2/20 19:20	70.3	↓-4.1
2/20 19:30	66.3	↓-4.0
2/20 19:40	62.4	↓-3.9
2/20 19:50	58.7	↓-3.7
2/20 20:00	55.1	↓-3.6
2/20 20:10	51.7	↓-3.4
2/20 20:20	48.5	↓-3.2
2/20 20:30	45.5	↓-3.0
2/20 20:40	42.8	↓-2.7
2/20 20:50	40.2	↓-2.6
2/20 21:00	37.9	↓-2.3
2/20 21:10	35.9	↓-2.0
2/20 21:20	34.2	↓-1.7
2/20 21:30	32.7	↓-1.5
2/20 21:40	31.5	↓-1.2
2/20 21:50	30.6	↓-0.9
2/20 22:00	30.0	↓-0.6
2/20 22:10	29.7	↓-0.3	干潮
2/20 22:20	29.7	0
2/20 22:30	30.0	↑0.3
2/20 22:40	30.6	↑0.6
2/20 22:50	31.4	↑0.8
2/20 23:00	32.6	↑1.2
2/20 23:10	34.1	↑1.5
2/20 23:20	35.8	↑1.7
2/20 23:30	37.7	↑1.9
2/20 23:40	40.0	↑2.3
2/20 23:50	42.4	↑2.4