20 (月)	08:56	02:22	20:12	14:20
	160cm	-14cm	183cm	65cm
中潮 出 07:18 入 17:56 出 08:50 入 19:52

長山（沖縄）2055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	39.8	↓-7.0
12/20 00:10	33.0	↓-6.8
12/20 00:20	26.6	↓-6.4
12/20 00:30	20.5	↓-6.1
12/20 00:40	14.8	↓-5.7
12/20 00:50	9.5	↓-5.3
12/20 01:00	4.7	↓-4.8
12/20 01:10	0.5	↓-4.2
12/20 01:20	-3.3	↓-3.8
12/20 01:30	-6.6	↓-3.3
12/20 01:40	-9.2	↓-2.6
12/20 01:50	-11.4	↓-2.2
12/20 02:00	-12.9	↓-1.5
12/20 02:10	-13.8	↓-0.9
12/20 02:20	-14.2	↓-0.4	干潮
12/20 02:30	-13.9	↑0.3
12/20 02:40	-13.1	↑0.8
12/20 02:50	-11.6	↑1.5
12/20 03:00	-9.7	↑1.9
12/20 03:10	-7.1	↑2.6
12/20 03:20	-4.0	↑3.1
12/20 03:30	-0.5	↑3.5
12/20 03:40	3.6	↑4.1
12/20 03:50	8.1	↑4.5
12/20 04:00	13.1	↑5.0
12/20 04:10	18.4	↑5.3
12/20 04:20	24.1	↑5.7
12/20 04:30	30.1	↑6.0
12/20 04:40	36.4	↑6.3
12/20 04:50	42.9	↑6.5
12/20 05:00	49.5	↑6.6
12/20 05:10	56.4	↑6.9
12/20 05:20	63.3	↑6.9
12/20 05:30	70.2	↑6.9
12/20 05:40	77.2	↑7.0
12/20 05:50	84.1	↑6.9
12/20 06:00	91.0	↑6.9
12/20 06:10	97.7	↑6.7
12/20 06:20	104.2	↑6.5
12/20 06:30	110.5	↑6.3
12/20 06:40	116.6	↑6.1
12/20 06:50	122.3	↑5.7
12/20 07:00	127.8	↑5.5
12/20 07:10	132.9	↑5.1
12/20 07:20	137.6	↑4.7
12/20 07:30	141.8	↑4.2
12/20 07:40	145.7	↑3.9
12/20 07:50	149.1	↑3.4
12/20 08:00	152.0	↑2.9
12/20 08:10	154.5	↑2.5
12/20 08:20	156.4	↑1.9
12/20 08:30	157.9	↑1.5
12/20 08:40	158.8	↑0.9
12/20 08:50	159.3	↑0.5	満潮
12/20 09:00	159.3	0
12/20 09:10	158.8	↓-0.5
12/20 09:20	157.8	↓-1.0
12/20 09:30	156.4	↓-1.4
12/20 09:40	154.5	↓-1.9
12/20 09:50	152.3	↓-2.2
12/20 10:00	149.7	↓-2.6
12/20 10:10	146.7	↓-3.0
12/20 10:20	143.4	↓-3.3
12/20 10:30	139.8	↓-3.6
12/20 10:40	136.0	↓-3.8
12/20 10:50	131.9	↓-4.1
12/20 11:00	127.7	↓-4.2
12/20 11:10	123.4	↓-4.3
12/20 11:20	118.9	↓-4.5
12/20 11:30	114.4	↓-4.5
12/20 11:40	109.9	↓-4.5
12/20 11:50	105.4	↓-4.5
12/20 12:00	100.9	↓-4.5
12/20 12:10	96.6	↓-4.3
12/20 12:20	92.4	↓-4.2
12/20 12:30	88.4	↓-4.0
12/20 12:40	84.6	↓-3.8
12/20 12:50	81.1	↓-3.5
12/20 13:00	77.9	↓-3.2
12/20 13:10	74.9	↓-3.0
12/20 13:20	72.3	↓-2.6
12/20 13:30	70.1	↓-2.2
12/20 13:40	68.2	↓-1.9
12/20 13:50	66.8	↓-1.4
12/20 14:00	65.7	↓-1.1
12/20 14:10	65.1	↓-0.6	干潮
12/20 14:20	64.9	↓-0.2	干潮
12/20 14:30	65.2	↑0.3
12/20 14:40	65.9	↑0.7
12/20 14:50	67.0	↑1.1
12/20 15:00	68.6	↑1.6
12/20 15:10	70.5	↑1.9
12/20 15:20	72.9	↑2.4
12/20 15:30	75.7	↑2.8
12/20 15:40	78.9	↑3.2
12/20 15:50	82.4	↑3.5
12/20 16:00	86.2	↑3.8
12/20 16:10	90.4	↑4.2
12/20 16:20	94.8	↑4.4
12/20 16:30	99.4	↑4.6
12/20 16:40	104.2	↑4.8
12/20 16:50	109.2	↑5.0
12/20 17:00	114.3	↑5.1
12/20 17:10	119.5	↑5.2
12/20 17:20	124.7	↑5.2
12/20 17:30	130.0	↑5.3
12/20 17:40	135.2	↑5.2
12/20 17:50	140.3	↑5.1
12/20 18:00	145.3	↑5.0
12/20 18:10	150.1	↑4.8
12/20 18:20	154.7	↑4.6
12/20 18:30	159.1	↑4.4
12/20 18:40	163.2	↑4.1
12/20 18:50	167.0	↑3.8
12/20 19:00	170.4	↑3.4
12/20 19:10	173.5	↑3.1
12/20 19:20	176.1	↑2.6
12/20 19:30	178.4	↑2.3
12/20 19:40	180.1	↑1.7
12/20 19:50	181.4	↑1.3
12/20 20:00	182.2	↑0.8
12/20 20:10	182.5	↑0.3	満潮
12/20 20:20	182.3	↓-0.2
12/20 20:30	181.5	↓-0.8
12/20 20:40	180.2	↓-1.3
12/20 20:50	178.4	↓-1.8
12/20 21:00	176.1	↓-2.3
12/20 21:10	173.3	↓-2.8
12/20 21:20	170.0	↓-3.3
12/20 21:30	166.2	↓-3.8
12/20 21:40	161.9	↓-4.3
12/20 21:50	157.2	↓-4.7
12/20 22:00	152.0	↓-5.2
12/20 22:10	146.5	↓-5.5
12/20 22:20	140.7	↓-5.8
12/20 22:30	134.5	↓-6.2
12/20 22:40	128.0	↓-6.5
12/20 22:50	121.3	↓-6.7
12/20 23:00	114.3	↓-7.0
12/20 23:10	107.2	↓-7.1
12/20 23:20	100.0	↓-7.2
12/20 23:30	92.7	↓-7.3
12/20 23:40	85.3	↓-7.4	最大潮位差
12/20 23:50	77.9	↓-7.4	最大潮位差