31 (土)	08:25	01:46	19:20	13:35
	143cm	3cm	169cm	79cm
大潮 出 07:23 入 18:02 出 18:37 入 07:52

長山（沖縄）2039年12月31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
12/31 00:00	27.4	↓-4.7
12/31 00:10	23.1	↓-4.3
12/31 00:20	19.1	↓-4.0
12/31 00:30	15.5	↓-3.6
12/31 00:40	12.3	↓-3.2
12/31 00:50	9.5	↓-2.8
12/31 01:00	7.2	↓-2.3
12/31 01:10	5.3	↓-1.9
12/31 01:20	3.9	↓-1.4
12/31 01:30	2.9	↓-1.0
12/31 01:40	2.4	↓-0.5	干潮
12/31 01:50	2.4	0
12/31 02:00	2.9	↑0.5
12/31 02:10	3.8	↑0.9
12/31 02:20	5.1	↑1.3
12/31 02:30	6.9	↑1.8
12/31 02:40	9.2	↑2.3
12/31 02:50	11.8	↑2.6
12/31 03:00	14.9	↑3.1
12/31 03:10	18.3	↑3.4
12/31 03:20	22.1	↑3.8
12/31 03:30	26.2	↑4.1
12/31 03:40	30.6	↑4.4
12/31 03:50	35.3	↑4.7
12/31 04:00	40.2	↑4.9
12/31 04:10	45.3	↑5.1
12/31 04:20	50.5	↑5.2
12/31 04:30	55.9	↑5.4
12/31 04:40	61.4	↑5.5
12/31 04:50	67.0	↑5.6
12/31 05:00	72.6	↑5.6
12/31 05:10	78.2	↑5.6
12/31 05:20	83.7	↑5.5
12/31 05:30	89.2	↑5.5
12/31 05:40	94.5	↑5.3
12/31 05:50	99.7	↑5.2
12/31 06:00	104.7	↑5.0
12/31 06:10	109.5	↑4.8
12/31 06:20	114.0	↑4.5
12/31 06:30	118.3	↑4.3
12/31 06:40	122.3	↑4.0
12/31 06:50	126.0	↑3.7
12/31 07:00	129.4	↑3.4
12/31 07:10	132.4	↑3.0
12/31 07:20	135.0	↑2.6
12/31 07:30	137.3	↑2.3
12/31 07:40	139.2	↑1.9
12/31 07:50	140.7	↑1.5
12/31 08:00	141.8	↑1.1
12/31 08:10	142.5	↑0.7
12/31 08:20	142.9	↑0.4	満潮
12/31 08:30	142.9	0
12/31 08:40	142.5	↓-0.4
12/31 08:50	141.7	↓-0.8
12/31 09:00	140.6	↓-1.1
12/31 09:10	139.2	↓-1.4
12/31 09:20	137.5	↓-1.7
12/31 09:30	135.6	↓-1.9
12/31 09:40	133.3	↓-2.3
12/31 09:50	130.8	↓-2.5
12/31 10:00	128.2	↓-2.6
12/31 10:10	125.3	↓-2.9
12/31 10:20	122.3	↓-3.0
12/31 10:30	119.2	↓-3.1
12/31 10:40	116.1	↓-3.1
12/31 10:50	112.8	↓-3.3
12/31 11:00	109.6	↓-3.2
12/31 11:10	106.4	↓-3.2
12/31 11:20	103.2	↓-3.2
12/31 11:30	100.1	↓-3.1
12/31 11:40	97.1	↓-3.0
12/31 11:50	94.2	↓-2.9
12/31 12:00	91.5	↓-2.7
12/31 12:10	89.0	↓-2.5
12/31 12:20	86.7	↓-2.3
12/31 12:30	84.6	↓-2.1
12/31 12:40	82.8	↓-1.8
12/31 12:50	81.3	↓-1.5
12/31 13:00	80.0	↓-1.3
12/31 13:10	79.1	↓-0.9
12/31 13:20	78.5	↓-0.6
12/31 13:30	78.2	↓-0.3	干潮
12/31 13:40	78.2	0
12/31 13:50	78.6	↑0.4
12/31 14:00	79.3	↑0.7
12/31 14:10	80.3	↑1.0
12/31 14:20	81.7	↑1.4
12/31 14:30	83.4	↑1.7
12/31 14:40	85.4	↑2.0
12/31 14:50	87.7	↑2.3
12/31 15:00	90.3	↑2.6
12/31 15:10	93.1	↑2.8
12/31 15:20	96.2	↑3.1
12/31 15:30	99.5	↑3.3
12/31 15:40	103.1	↑3.6
12/31 15:50	106.7	↑3.6
12/31 16:00	110.5	↑3.8
12/31 16:10	114.5	↑4.0
12/31 16:20	118.5	↑4.0
12/31 16:30	122.5	↑4.0
12/31 16:40	126.6	↑4.1
12/31 16:50	130.7	↑4.1
12/31 17:00	134.7	↑4.0
12/31 17:10	138.6	↑3.9
12/31 17:20	142.4	↑3.8
12/31 17:30	146.0	↑3.6
12/31 17:40	149.5	↑3.5
12/31 17:50	152.8	↑3.3
12/31 18:00	155.8	↑3.0
12/31 18:10	158.5	↑2.7
12/31 18:20	160.9	↑2.4
12/31 18:30	163.1	↑2.2
12/31 18:40	164.8	↑1.7
12/31 18:50	166.2	↑1.4
12/31 19:00	167.2	↑1.0
12/31 19:10	167.8	↑0.6	満潮
12/31 19:20	168.0	↑0.2	満潮
12/31 19:30	167.8	↓-0.2
12/31 19:40	167.1	↓-0.7
12/31 19:50	166.0	↓-1.1
12/31 20:00	164.5	↓-1.5
12/31 20:10	162.5	↓-2.0
12/31 20:20	160.1	↓-2.4
12/31 20:30	157.3	↓-2.8
12/31 20:40	154.0	↓-3.3
12/31 20:50	150.4	↓-3.6
12/31 21:00	146.4	↓-4.0
12/31 21:10	142.0	↓-4.4
12/31 21:20	137.3	↓-4.7
12/31 21:30	132.3	↓-5.0
12/31 21:40	127.0	↓-5.3
12/31 21:50	121.5	↓-5.5
12/31 22:00	115.7	↓-5.8
12/31 22:10	109.7	↓-6.0
12/31 22:20	103.6	↓-6.1
12/31 22:30	97.4	↓-6.2
12/31 22:40	91.0	↓-6.4	最大潮位差
12/31 22:50	84.7	↓-6.3
12/31 23:00	78.3	↓-6.4	最大潮位差
12/31 23:10	71.9	↓-6.4	最大潮位差
12/31 23:20	65.7	↓-6.2
12/31 23:30	59.5	↓-6.2
12/31 23:40	53.4	↓-6.1
12/31 23:50	47.6	↓-5.8