20 (日)	06:05	11:25	17:15	-
	142cm	76cm	167cm	-
中潮 出 07:10 入 18:37 出 04:54 入 15:45

長山（沖縄）2039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	11.0	↑1.4
2/20 00:10	12.9	↑1.9
2/20 00:20	15.1	↑2.2
2/20 00:30	17.7	↑2.6
2/20 00:40	20.7	↑3.0
2/20 00:50	24.0	↑3.3
2/20 01:00	27.6	↑3.6
2/20 01:10	31.4	↑3.8
2/20 01:20	35.6	↑4.2
2/20 01:30	40.0	↑4.4
2/20 01:40	44.6	↑4.6
2/20 01:50	49.4	↑4.8
2/20 02:00	54.4	↑5.0
2/20 02:10	59.5	↑5.1
2/20 02:20	64.7	↑5.2
2/20 02:30	69.9	↑5.2
2/20 02:40	75.2	↑5.3
2/20 02:50	80.5	↑5.3
2/20 03:00	85.7	↑5.2
2/20 03:10	90.9	↑5.2
2/20 03:20	95.9	↑5.0
2/20 03:30	100.8	↑4.9
2/20 03:40	105.6	↑4.8
2/20 03:50	110.1	↑4.5
2/20 04:00	114.5	↑4.4
2/20 04:10	118.5	↑4.0
2/20 04:20	122.3	↑3.8
2/20 04:30	125.9	↑3.6
2/20 04:40	129.1	↑3.2
2/20 04:50	131.9	↑2.8
2/20 05:00	134.4	↑2.5
2/20 05:10	136.6	↑2.2
2/20 05:20	138.4	↑1.8
2/20 05:30	139.9	↑1.5
2/20 05:40	140.9	↑1.0
2/20 05:50	141.6	↑0.7
2/20 06:00	141.9	↑0.3	満潮
2/20 06:10	141.9	0
2/20 06:20	141.5	↓-0.4
2/20 06:30	140.8	↓-0.7
2/20 06:40	139.7	↓-1.1
2/20 06:50	138.3	↓-1.4
2/20 07:00	136.7	↓-1.6
2/20 07:10	134.7	↓-2.0
2/20 07:20	132.5	↓-2.2
2/20 07:30	130.1	↓-2.4
2/20 07:40	127.5	↓-2.6
2/20 07:50	124.7	↓-2.8
2/20 08:00	121.8	↓-2.9
2/20 08:10	118.7	↓-3.1
2/20 08:20	115.6	↓-3.1
2/20 08:30	112.4	↓-3.2
2/20 08:40	109.2	↓-3.2
2/20 08:50	106.0	↓-3.2
2/20 09:00	102.8	↓-3.2
2/20 09:10	99.6	↓-3.2
2/20 09:20	96.6	↓-3.0
2/20 09:30	93.6	↓-3.0
2/20 09:40	90.8	↓-2.8
2/20 09:50	88.2	↓-2.6
2/20 10:00	85.8	↓-2.4
2/20 10:10	83.5	↓-2.3
2/20 10:20	81.5	↓-2.0
2/20 10:30	79.8	↓-1.7
2/20 10:40	78.3	↓-1.5
2/20 10:50	77.1	↓-1.2
2/20 11:00	76.2	↓-0.9
2/20 11:10	75.6	↓-0.6
2/20 11:20	75.3	↓-0.3	干潮
2/20 11:30	75.3	0
2/20 11:40	75.7	↑0.4
2/20 11:50	76.4	↑0.7
2/20 12:00	77.4	↑1.0
2/20 12:10	78.7	↑1.3
2/20 12:20	80.3	↑1.6
2/20 12:30	82.3	↑2.0
2/20 12:40	84.5	↑2.2
2/20 12:50	87.0	↑2.5
2/20 13:00	89.8	↑2.8
2/20 13:10	92.8	↑3.0
2/20 13:20	96.1	↑3.3
2/20 13:30	99.5	↑3.4
2/20 13:40	103.2	↑3.7
2/20 13:50	107.0	↑3.8
2/20 14:00	110.9	↑3.9
2/20 14:10	114.9	↑4.0
2/20 14:20	119.0	↑4.1
2/20 14:30	123.1	↑4.1
2/20 14:40	127.2	↑4.1
2/20 14:50	131.3	↑4.1
2/20 15:00	135.3	↑4.0
2/20 15:10	139.2	↑3.9
2/20 15:20	142.9	↑3.7
2/20 15:30	146.6	↑3.7
2/20 15:40	150.0	↑3.4
2/20 15:50	153.1	↑3.1
2/20 16:00	156.0	↑2.9
2/20 16:10	158.7	↑2.7
2/20 16:20	161.0	↑2.3
2/20 16:30	162.9	↑1.9
2/20 16:40	164.5	↑1.6
2/20 16:50	165.7	↑1.2
2/20 17:00	166.5	↑0.8
2/20 17:10	166.9	↑0.4	満潮
2/20 17:20	166.9	0
2/20 17:30	166.4	↓-0.5
2/20 17:40	165.5	↓-0.9
2/20 17:50	164.1	↓-1.4
2/20 18:00	162.3	↓-1.8
2/20 18:10	160.1	↓-2.2
2/20 18:20	157.4	↓-2.7
2/20 18:30	154.3	↓-3.1
2/20 18:40	150.8	↓-3.5
2/20 18:50	146.9	↓-3.9
2/20 19:00	142.6	↓-4.3
2/20 19:10	138.0	↓-4.6
2/20 19:20	133.0	↓-5.0
2/20 19:30	127.8	↓-5.2
2/20 19:40	122.3	↓-5.5
2/20 19:50	116.5	↓-5.8
2/20 20:00	110.6	↓-5.9
2/20 20:10	104.5	↓-6.1
2/20 20:20	98.2	↓-6.3
2/20 20:30	91.9	↓-6.3
2/20 20:40	85.4	↓-6.5	最大潮位差
2/20 20:50	79.0	↓-6.4
2/20 21:00	72.6	↓-6.4
2/20 21:10	66.2	↓-6.4
2/20 21:20	59.9	↓-6.3
2/20 21:30	53.8	↓-6.1
2/20 21:40	47.8	↓-6.0
2/20 21:50	42.0	↓-5.8
2/20 22:00	36.5	↓-5.5
2/20 22:10	31.2	↓-5.3
2/20 22:20	26.2	↓-5.0
2/20 22:30	21.5	↓-4.7
2/20 22:40	17.2	↓-4.3
2/20 22:50	13.2	↓-4.0
2/20 23:00	9.7	↓-3.5
2/20 23:10	6.6	↓-3.1
2/20 23:20	3.9	↓-2.7
2/20 23:30	1.7	↓-2.2
2/20 23:40	-0.1	↓-1.8
2/20 23:50	-1.3	↓-1.2