20 (金)	09:51	03:18	21:13	15:20
	158cm	-9cm	177cm	63cm
中潮 出 07:18 入 17:56 出 09:59 入 21:28

長山（沖縄）2047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	83.8	↓-7.6	最大潮位差
12/20 00:10	76.3	↓-7.5
12/20 00:20	68.8	↓-7.5
12/20 00:30	61.4	↓-7.4
12/20 00:40	54.2	↓-7.2
12/20 00:50	47.2	↓-7.0
12/20 01:00	40.4	↓-6.8
12/20 01:10	34.0	↓-6.4
12/20 01:20	27.8	↓-6.2
12/20 01:30	22.0	↓-5.8
12/20 01:40	16.6	↓-5.4
12/20 01:50	11.7	↓-4.9
12/20 02:00	7.2	↓-4.5
12/20 02:10	3.2	↓-4.0
12/20 02:20	-0.3	↓-3.5
12/20 02:30	-3.3	↓-3.0
12/20 02:40	-5.7	↓-2.4
12/20 02:50	-7.5	↓-1.8
12/20 03:00	-8.8	↓-1.3
12/20 03:10	-9.5	↓-0.7	干潮
12/20 03:20	-9.6	↓-0.1
12/20 03:30	-9.2	↑0.4
12/20 03:40	-8.2	↑1.0
12/20 03:50	-6.6	↑1.6
12/20 04:00	-4.5	↑2.1
12/20 04:10	-1.8	↑2.7
12/20 04:20	1.3	↑3.1
12/20 04:30	5.0	↑3.7
12/20 04:40	9.1	↑4.1
12/20 04:50	13.6	↑4.5
12/20 05:00	18.5	↑4.9
12/20 05:10	23.8	↑5.3
12/20 05:20	29.4	↑5.6
12/20 05:30	35.3	↑5.9
12/20 05:40	41.4	↑6.1
12/20 05:50	47.7	↑6.3
12/20 06:00	54.2	↑6.5
12/20 06:10	60.8	↑6.6
12/20 06:20	67.5	↑6.7
12/20 06:30	74.2	↑6.7
12/20 06:40	80.9	↑6.7
12/20 06:50	87.5	↑6.6
12/20 07:00	94.0	↑6.5
12/20 07:10	100.4	↑6.4
12/20 07:20	106.6	↑6.2
12/20 07:30	112.6	↑6.0
12/20 07:40	118.3	↑5.7
12/20 07:50	123.7	↑5.4
12/20 08:00	128.8	↑5.1
12/20 08:10	133.5	↑4.7
12/20 08:20	137.9	↑4.4
12/20 08:30	141.8	↑3.9
12/20 08:40	145.3	↑3.5
12/20 08:50	148.4	↑3.1
12/20 09:00	151.0	↑2.6
12/20 09:10	153.2	↑2.2
12/20 09:20	154.9	↑1.7
12/20 09:30	156.1	↑1.2
12/20 09:40	156.8	↑0.7
12/20 09:50	157.1	↑0.3	満潮
12/20 10:00	156.8	↓-0.3
12/20 10:10	156.2	↓-0.6
12/20 10:20	155.1	↓-1.1
12/20 10:30	153.5	↓-1.6
12/20 10:40	151.5	↓-2.0
12/20 10:50	149.2	↓-2.3
12/20 11:00	146.5	↓-2.7
12/20 11:10	143.5	↓-3.0
12/20 11:20	140.1	↓-3.4
12/20 11:30	136.5	↓-3.6
12/20 11:40	132.7	↓-3.8
12/20 11:50	128.6	↓-4.1
12/20 12:00	124.4	↓-4.2
12/20 12:10	120.1	↓-4.3
12/20 12:20	115.7	↓-4.4
12/20 12:30	111.2	↓-4.5
12/20 12:40	106.7	↓-4.5
12/20 12:50	102.3	↓-4.4
12/20 13:00	97.9	↓-4.4
12/20 13:10	93.6	↓-4.3
12/20 13:20	89.5	↓-4.1
12/20 13:30	85.6	↓-3.9
12/20 13:40	81.9	↓-3.7
12/20 13:50	78.4	↓-3.5
12/20 14:00	75.2	↓-3.2
12/20 14:10	72.4	↓-2.8
12/20 14:20	69.8	↓-2.6
12/20 14:30	67.6	↓-2.2
12/20 14:40	65.8	↓-1.8
12/20 14:50	64.4	↓-1.4
12/20 15:00	63.4	↓-1.0
12/20 15:10	62.8	↓-0.6	干潮
12/20 15:20	62.6	↓-0.2	干潮
12/20 15:30	62.9	↑0.3
12/20 15:40	63.6	↑0.7
12/20 15:50	64.7	↑1.1
12/20 16:00	66.2	↑1.5
12/20 16:10	68.2	↑2.0
12/20 16:20	70.5	↑2.3
12/20 16:30	73.2	↑2.7
12/20 16:40	76.3	↑3.1
12/20 16:50	79.7	↑3.4
12/20 17:00	83.4	↑3.7
12/20 17:10	87.4	↑4.0
12/20 17:20	91.7	↑4.3
12/20 17:30	96.2	↑4.5
12/20 17:40	100.8	↑4.6
12/20 17:50	105.6	↑4.8
12/20 18:00	110.6	↑5.0
12/20 18:10	115.6	↑5.0
12/20 18:20	120.6	↑5.0
12/20 18:30	125.6	↑5.0
12/20 18:40	130.6	↑5.0
12/20 18:50	135.5	↑4.9
12/20 19:00	140.3	↑4.8
12/20 19:10	145.0	↑4.7
12/20 19:20	149.4	↑4.4
12/20 19:30	153.6	↑4.2
12/20 19:40	157.5	↑3.9
12/20 19:50	161.2	↑3.7
12/20 20:00	164.5	↑3.3
12/20 20:10	167.5	↑3.0
12/20 20:20	170.0	↑2.5
12/20 20:30	172.2	↑2.2
12/20 20:40	173.9	↑1.7
12/20 20:50	175.2	↑1.3
12/20 21:00	176.0	↑0.8
12/20 21:10	176.4	↑0.4	満潮
12/20 21:20	176.3	↓-0.1
12/20 21:30	175.7	↓-0.6
12/20 21:40	174.6	↓-1.1
12/20 21:50	173.0	↓-1.6
12/20 22:00	170.9	↓-2.1
12/20 22:10	168.3	↓-2.6
12/20 22:20	165.3	↓-3.0
12/20 22:30	161.8	↓-3.5
12/20 22:40	157.9	↓-3.9
12/20 22:50	153.6	↓-4.3
12/20 23:00	148.9	↓-4.7
12/20 23:10	143.9	↓-5.0
12/20 23:20	138.5	↓-5.4
12/20 23:30	132.8	↓-5.7
12/20 23:40	126.8	↓-6.0
12/20 23:50	120.6	↓-6.2