20 (水)	09:19	02:48	20:44	14:51
	162cm	-11cm	181cm	59cm
中潮 出 07:18 入 17:56 出 20:47 入 09:14

長山（沖縄）2051年12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
12/20 00:00	61.6	↓-7.6	最大潮位差
12/20 00:10	54.1	↓-7.5
12/20 00:20	46.9	↓-7.2
12/20 00:30	39.9	↓-7.0
12/20 00:40	33.2	↓-6.7
12/20 00:50	26.9	↓-6.3
12/20 01:00	20.9	↓-6.0
12/20 01:10	15.3	↓-5.6
12/20 01:20	10.2	↓-5.1
12/20 01:30	5.6	↓-4.6
12/20 01:40	1.5	↓-4.1
12/20 01:50	-2.1	↓-3.6
12/20 02:00	-5.2	↓-3.1
12/20 02:10	-7.7	↓-2.5
12/20 02:20	-9.6	↓-1.9
12/20 02:30	-10.9	↓-1.3
12/20 02:40	-11.6	↓-0.7	干潮
12/20 02:50	-11.7	↓-0.1
12/20 03:00	-11.2	↑0.5
12/20 03:10	-10.1	↑1.1
12/20 03:20	-8.5	↑1.6
12/20 03:30	-6.2	↑2.3
12/20 03:40	-3.4	↑2.8
12/20 03:50	-0.1	↑3.3
12/20 04:00	3.7	↑3.8
12/20 04:10	8.0	↑4.3
12/20 04:20	12.7	↑4.7
12/20 04:30	17.9	↑5.2
12/20 04:40	23.4	↑5.5
12/20 04:50	29.3	↑5.9
12/20 05:00	35.5	↑6.2
12/20 05:10	41.9	↑6.4
12/20 05:20	48.5	↑6.6
12/20 05:30	55.3	↑6.8
12/20 05:40	62.2	↑6.9
12/20 05:50	69.2	↑7.0
12/20 06:00	76.2	↑7.0
12/20 06:10	83.2	↑7.0
12/20 06:20	90.2	↑7.0
12/20 06:30	97.0	↑6.8
12/20 06:40	103.7	↑6.7
12/20 06:50	110.1	↑6.4
12/20 07:00	116.4	↑6.3
12/20 07:10	122.3	↑5.9
12/20 07:20	127.9	↑5.6
12/20 07:30	133.2	↑5.3
12/20 07:40	138.1	↑4.9
12/20 07:50	142.6	↑4.5
12/20 08:00	146.7	↑4.1
12/20 08:10	150.3	↑3.6
12/20 08:20	153.5	↑3.2
12/20 08:30	156.1	↑2.6
12/20 08:40	158.3	↑2.2
12/20 08:50	159.9	↑1.6
12/20 09:00	161.1	↑1.2
12/20 09:10	161.7	↑0.6	満潮
12/20 09:20	161.9	↑0.2
12/20 09:30	161.5	↓-0.4
12/20 09:40	160.6	↓-0.9
12/20 09:50	159.3	↓-1.3
12/20 10:00	157.5	↓-1.8
12/20 10:10	155.3	↓-2.2
12/20 10:20	152.7	↓-2.6
12/20 10:30	149.7	↓-3.0
12/20 10:40	146.3	↓-3.4
12/20 10:50	142.6	↓-3.7
12/20 11:00	138.7	↓-3.9
12/20 11:10	134.4	↓-4.3
12/20 11:20	130.0	↓-4.4
12/20 11:30	125.4	↓-4.6
12/20 11:40	120.7	↓-4.7
12/20 11:50	115.9	↓-4.8
12/20 12:00	111.1	↓-4.8
12/20 12:10	106.2	↓-4.9
12/20 12:20	101.4	↓-4.8
12/20 12:30	96.7	↓-4.7
12/20 12:40	92.1	↓-4.6
12/20 12:50	87.6	↓-4.5
12/20 13:00	83.4	↓-4.2
12/20 13:10	79.3	↓-4.1
12/20 13:20	75.6	↓-3.7
12/20 13:30	72.1	↓-3.5
12/20 13:40	69.0	↓-3.1
12/20 13:50	66.3	↓-2.7
12/20 14:00	63.9	↓-2.4
12/20 14:10	61.9	↓-2.0
12/20 14:20	60.4	↓-1.5
12/20 14:30	59.2	↓-1.2
12/20 14:40	58.6	↓-0.6
12/20 14:50	58.4	↓-0.2	干潮
12/20 15:00	58.6	↑0.2
12/20 15:10	59.3	↑0.7
12/20 15:20	60.5	↑1.2
12/20 15:30	62.1	↑1.6
12/20 15:40	64.1	↑2.0
12/20 15:50	66.6	↑2.5
12/20 16:00	69.4	↑2.8
12/20 16:10	72.7	↑3.3
12/20 16:20	76.3	↑3.6
12/20 16:30	80.3	↑4.0
12/20 16:40	84.5	↑4.2
12/20 16:50	89.1	↑4.6
12/20 17:00	93.8	↑4.7
12/20 17:10	98.8	↑5.0
12/20 17:20	103.9	↑5.1
12/20 17:30	109.2	↑5.3
12/20 17:40	114.5	↑5.3
12/20 17:50	119.9	↑5.4
12/20 18:00	125.3	↑5.4
12/20 18:10	130.7	↑5.4
12/20 18:20	135.9	↑5.2
12/20 18:30	141.1	↑5.2
12/20 18:40	146.1	↑5.0
12/20 18:50	150.8	↑4.7
12/20 19:00	155.4	↑4.6
12/20 19:10	159.6	↑4.2
12/20 19:20	163.5	↑3.9
12/20 19:30	167.1	↑3.6
12/20 19:40	170.3	↑3.2
12/20 19:50	173.1	↑2.8
12/20 20:00	175.5	↑2.4
12/20 20:10	177.4	↑1.9
12/20 20:20	178.8	↑1.4
12/20 20:30	179.7	↑0.9
12/20 20:40	180.1	↑0.4	満潮
12/20 20:50	180.1	0
12/20 21:00	179.4	↓-0.7
12/20 21:10	178.3	↓-1.1
12/20 21:20	176.7	↓-1.6
12/20 21:30	174.5	↓-2.2
12/20 21:40	171.8	↓-2.7
12/20 21:50	168.6	↓-3.2
12/20 22:00	165.0	↓-3.6
12/20 22:10	160.8	↓-4.2
12/20 22:20	156.3	↓-4.5
12/20 22:30	151.3	↓-5.0
12/20 22:40	146.0	↓-5.3
12/20 22:50	140.2	↓-5.8
12/20 23:00	134.2	↓-6.0
12/20 23:10	127.9	↓-6.3
12/20 23:20	121.3	↓-6.6
12/20 23:30	114.6	↓-6.7
12/20 23:40	107.7	↓-6.9
12/20 23:50	100.6	↓-7.1