20 (日)	11:32	04:53	23:06	17:12
	153cm	8cm	158cm	66cm
小潮 出 07:18 入 17:56 出 23:31 入 11:37

長山（沖縄）2054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	141.5	↓-4.6
12/20 00:10	136.7	↓-4.8
12/20 00:20	131.5	↓-5.2
12/20 00:30	126.0	↓-5.5
12/20 00:40	120.4	↓-5.6
12/20 00:50	114.5	↓-5.9
12/20 01:00	108.5	↓-6.0
12/20 01:10	102.3	↓-6.2
12/20 01:20	96.1	↓-6.2
12/20 01:30	89.7	↓-6.4	最大潮位差
12/20 01:40	83.4	↓-6.3
12/20 01:50	77.1	↓-6.3
12/20 02:00	70.9	↓-6.2
12/20 02:10	64.8	↓-6.1
12/20 02:20	58.8	↓-6.0
12/20 02:30	53.0	↓-5.8
12/20 02:40	47.4	↓-5.6
12/20 02:50	42.1	↓-5.3
12/20 03:00	37.1	↓-5.0
12/20 03:10	32.3	↓-4.8
12/20 03:20	28.0	↓-4.3
12/20 03:30	24.0	↓-4.0
12/20 03:40	20.4	↓-3.6
12/20 03:50	17.2	↓-3.2
12/20 04:00	14.4	↓-2.8
12/20 04:10	12.2	↓-2.2
12/20 04:20	10.3	↓-1.9
12/20 04:30	9.0	↓-1.3
12/20 04:40	8.2	↓-0.8
12/20 04:50	7.8	↓-0.4	干潮
12/20 05:00	7.9	↑0.1
12/20 05:10	8.6	↑0.7
12/20 05:20	9.7	↑1.1
12/20 05:30	11.2	↑1.5
12/20 05:40	13.3	↑2.1
12/20 05:50	15.7	↑2.4
12/20 06:00	18.6	↑2.9
12/20 06:10	21.9	↑3.3
12/20 06:20	25.6	↑3.7
12/20 06:30	29.6	↑4.0
12/20 06:40	33.9	↑4.3
12/20 06:50	38.5	↑4.6
12/20 07:00	43.4	↑4.9
12/20 07:10	48.5	↑5.1
12/20 07:20	53.8	↑5.3
12/20 07:30	59.3	↑5.5
12/20 07:40	64.9	↑5.6
12/20 07:50	70.5	↑5.6
12/20 08:00	76.2	↑5.7
12/20 08:10	81.9	↑5.7
12/20 08:20	87.6	↑5.7
12/20 08:30	93.3	↑5.7
12/20 08:40	98.8	↑5.5
12/20 08:50	104.2	↑5.4
12/20 09:00	109.4	↑5.2
12/20 09:10	114.5	↑5.1
12/20 09:20	119.3	↑4.8
12/20 09:30	123.9	↑4.6
12/20 09:40	128.2	↑4.3
12/20 09:50	132.2	↑4.0
12/20 10:00	135.9	↑3.7
12/20 10:10	139.2	↑3.3
12/20 10:20	142.2	↑3.0
12/20 10:30	144.8	↑2.6
12/20 10:40	147.1	↑2.3
12/20 10:50	148.9	↑1.8
12/20 11:00	150.4	↑1.5
12/20 11:10	151.4	↑1.0
12/20 11:20	152.1	↑0.7
12/20 11:30	152.3	↑0.2	満潮
12/20 11:40	152.1	↓-0.2
12/20 11:50	151.6	↓-0.5
12/20 12:00	150.7	↓-0.9
12/20 12:10	149.4	↓-1.3
12/20 12:20	147.8	↓-1.6
12/20 12:30	145.8	↓-2.0
12/20 12:40	143.5	↓-2.3
12/20 12:50	140.9	↓-2.6
12/20 13:00	138.0	↓-2.9
12/20 13:10	134.9	↓-3.1
12/20 13:20	131.6	↓-3.3
12/20 13:30	128.1	↓-3.5
12/20 13:40	124.4	↓-3.7
12/20 13:50	120.6	↓-3.8
12/20 14:00	116.7	↓-3.9
12/20 14:10	112.8	↓-3.9
12/20 14:20	108.8	↓-4.0
12/20 14:30	104.8	↓-4.0
12/20 14:40	100.9	↓-3.9
12/20 14:50	97.0	↓-3.9
12/20 15:00	93.2	↓-3.8
12/20 15:10	89.6	↓-3.6
12/20 15:20	86.1	↓-3.5
12/20 15:30	82.8	↓-3.3
12/20 15:40	79.8	↓-3.0
12/20 15:50	77.0	↓-2.8
12/20 16:00	74.4	↓-2.6
12/20 16:10	72.2	↓-2.2
12/20 16:20	70.2	↓-2.0
12/20 16:30	68.6	↓-1.6
12/20 16:40	67.4	↓-1.2
12/20 16:50	66.4	↓-1.0
12/20 17:00	65.9	↓-0.5
12/20 17:10	65.6	↓-0.3	干潮
12/20 17:20	65.8	↑0.2
12/20 17:30	66.3	↑0.5
12/20 17:40	67.2	↑0.9
12/20 17:50	68.4	↑1.2
12/20 18:00	69.9	↑1.5
12/20 18:10	71.8	↑1.9
12/20 18:20	74.0	↑2.2
12/20 18:30	76.5	↑2.5
12/20 18:40	79.3	↑2.8
12/20 18:50	82.3	↑3.0
12/20 19:00	85.5	↑3.2
12/20 19:10	88.9	↑3.4
12/20 19:20	92.6	↑3.7
12/20 19:30	96.3	↑3.7
12/20 19:40	100.2	↑3.9
12/20 19:50	104.2	↑4.0
12/20 20:00	108.2	↑4.0
12/20 20:10	112.2	↑4.0
12/20 20:20	116.3	↑4.1
12/20 20:30	120.3	↑4.0
12/20 20:40	124.2	↑3.9
12/20 20:50	128.1	↑3.9
12/20 21:00	131.8	↑3.7
12/20 21:10	135.4	↑3.6
12/20 21:20	138.7	↑3.3
12/20 21:30	141.9	↑3.2
12/20 21:40	144.9	↑3.0
12/20 21:50	147.5	↑2.6
12/20 22:00	149.9	↑2.4
12/20 22:10	152.0	↑2.1
12/20 22:20	153.8	↑1.8
12/20 22:30	155.3	↑1.5
12/20 22:40	156.4	↑1.1
12/20 22:50	157.1	↑0.7
12/20 23:00	157.5	↑0.4	満潮
12/20 23:10	157.5	0
12/20 23:20	157.1	↓-0.4
12/20 23:30	156.3	↓-0.8
12/20 23:40	155.2	↓-1.1
12/20 23:50	153.7	↓-1.5