31 (土)	09:32	03:02	20:57	15:07
	155cm	2cm	165cm	61cm
中潮 出 07:23 入 18:02 出 20:59 入 09:17

長山（沖縄）2050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	75.3	↓-6.8	最大潮位差
12/31 00:10	68.6	↓-6.7
12/31 00:20	62.0	↓-6.6
12/31 00:30	55.6	↓-6.4
12/31 00:40	49.4	↓-6.2
12/31 00:50	43.4	↓-6.0
12/31 01:00	37.7	↓-5.7
12/31 01:10	32.3	↓-5.4
12/31 01:20	27.2	↓-5.1
12/31 01:30	22.6	↓-4.6
12/31 01:40	18.3	↓-4.3
12/31 01:50	14.4	↓-3.9
12/31 02:00	11.1	↓-3.3
12/31 02:10	8.1	↓-3.0
12/31 02:20	5.7	↓-2.4
12/31 02:30	3.8	↓-1.9
12/31 02:40	2.4	↓-1.4
12/31 02:50	1.5	↓-0.9
12/31 03:00	1.2	↓-0.3	干潮
12/31 03:10	1.4	↑0.2
12/31 03:20	2.1	↑0.7
12/31 03:30	3.3	↑1.2
12/31 03:40	5.1	↑1.8
12/31 03:50	7.3	↑2.2
12/31 04:00	10.0	↑2.7
12/31 04:10	13.2	↑3.2
12/31 04:20	16.8	↑3.6
12/31 04:30	20.8	↑4.0
12/31 04:40	25.2	↑4.4
12/31 04:50	30.0	↑4.8
12/31 05:00	35.0	↑5.0
12/31 05:10	40.3	↑5.3
12/31 05:20	45.9	↑5.6
12/31 05:30	51.7	↑5.8
12/31 05:40	57.6	↑5.9
12/31 05:50	63.7	↑6.1
12/31 06:00	69.9	↑6.2
12/31 06:10	76.0	↑6.1
12/31 06:20	82.2	↑6.2
12/31 06:30	88.4	↑6.2
12/31 06:40	94.5	↑6.1
12/31 06:50	100.4	↑5.9
12/31 07:00	106.2	↑5.8
12/31 07:10	111.8	↑5.6
12/31 07:20	117.2	↑5.4
12/31 07:30	122.3	↑5.1
12/31 07:40	127.1	↑4.8
12/31 07:50	131.6	↑4.5
12/31 08:00	135.7	↑4.1
12/31 08:10	139.4	↑3.7
12/31 08:20	142.8	↑3.4
12/31 08:30	145.8	↑3.0
12/31 08:40	148.3	↑2.5
12/31 08:50	150.4	↑2.1
12/31 09:00	152.0	↑1.6
12/31 09:10	153.2	↑1.2
12/31 09:20	153.9	↑0.7
12/31 09:30	154.2	↑0.3	満潮
12/31 09:40	154.1	↓-0.1
12/31 09:50	153.5	↓-0.6
12/31 10:00	152.4	↓-1.1
12/31 10:10	151.0	↓-1.4
12/31 10:20	149.2	↓-1.8
12/31 10:30	147.0	↓-2.2
12/31 10:40	144.4	↓-2.6
12/31 10:50	141.5	↓-2.9
12/31 11:00	138.4	↓-3.1
12/31 11:10	134.9	↓-3.5
12/31 11:20	131.2	↓-3.7
12/31 11:30	127.3	↓-3.9
12/31 11:40	123.3	↓-4.0
12/31 11:50	119.1	↓-4.2
12/31 12:00	114.8	↓-4.3
12/31 12:10	110.5	↓-4.3
12/31 12:20	106.1	↓-4.4
12/31 12:30	101.8	↓-4.3
12/31 12:40	97.5	↓-4.3
12/31 12:50	93.3	↓-4.2
12/31 13:00	89.2	↓-4.1
12/31 13:10	85.2	↓-4.0
12/31 13:20	81.5	↓-3.7
12/31 13:30	78.0	↓-3.5
12/31 13:40	74.8	↓-3.2
12/31 13:50	71.8	↓-3.0
12/31 14:00	69.1	↓-2.7
12/31 14:10	66.8	↓-2.3
12/31 14:20	64.8	↓-2.0
12/31 14:30	63.2	↓-1.6
12/31 14:40	61.9	↓-1.3
12/31 14:50	61.1	↓-0.8
12/31 15:00	60.6	↓-0.5	干潮
12/31 15:10	60.6	0
12/31 15:20	60.9	↑0.3
12/31 15:30	61.7	↑0.8
12/31 15:40	62.8	↑1.1
12/31 15:50	64.4	↑1.6
12/31 16:00	66.3	↑1.9
12/31 16:10	68.6	↑2.3
12/31 16:20	71.2	↑2.6
12/31 16:30	74.2	↑3.0
12/31 16:40	77.5	↑3.3
12/31 16:50	81.0	↑3.5
12/31 17:00	84.8	↑3.8
12/31 17:10	88.8	↑4.0
12/31 17:20	93.1	↑4.3
12/31 17:30	97.4	↑4.3
12/31 17:40	101.9	↑4.5
12/31 17:50	106.5	↑4.6
12/31 18:00	111.1	↑4.6
12/31 18:10	115.8	↑4.7
12/31 18:20	120.4	↑4.6
12/31 18:30	125.0	↑4.6
12/31 18:40	129.4	↑4.4
12/31 18:50	133.8	↑4.4
12/31 19:00	137.9	↑4.1
12/31 19:10	141.9	↑4.0
12/31 19:20	145.7	↑3.8
12/31 19:30	149.1	↑3.4
12/31 19:40	152.3	↑3.2
12/31 19:50	155.2	↑2.9
12/31 20:00	157.7	↑2.5
12/31 20:10	159.8	↑2.1
12/31 20:20	161.6	↑1.8
12/31 20:30	162.9	↑1.3
12/31 20:40	163.9	↑1.0
12/31 20:50	164.4	↑0.5	満潮
12/31 21:00	164.4	0
12/31 21:10	164.0	↓-0.4
12/31 21:20	163.2	↓-0.8
12/31 21:30	161.9	↓-1.3
12/31 21:40	160.1	↓-1.8
12/31 21:50	157.9	↓-2.2
12/31 22:00	155.3	↓-2.6
12/31 22:10	152.3	↓-3.0
12/31 22:20	148.8	↓-3.5
12/31 22:30	145.0	↓-3.8
12/31 22:40	140.8	↓-4.2
12/31 22:50	136.3	↓-4.5
12/31 23:00	131.5	↓-4.8
12/31 23:10	126.4	↓-5.1
12/31 23:20	121.0	↓-5.4
12/31 23:30	115.5	↓-5.5
12/31 23:40	109.7	↓-5.8
12/31 23:50	103.8	↓-5.9