20 (火)	10:38	04:34	23:12	16:50
	184cm	66cm	187cm	60cm
中潮 出 06:02 入 19:30 出 23:12 入 11:15

長山（沖縄）2049年07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
7/20 00:00	172.7	↓-3.7
7/20 00:10	168.7	↓-4.0
7/20 00:20	164.4	↓-4.3
7/20 00:30	159.8	↓-4.6
7/20 00:40	155.0	↓-4.8
7/20 00:50	150.0	↓-5.0
7/20 01:00	144.8	↓-5.2
7/20 01:10	139.5	↓-5.3
7/20 01:20	134.1	↓-5.4	最大潮位差
7/20 01:30	128.7	↓-5.4	最大潮位差
7/20 01:40	123.3	↓-5.4	最大潮位差
7/20 01:50	117.9	↓-5.4	最大潮位差
7/20 02:00	112.6	↓-5.3
7/20 02:10	107.4	↓-5.2
7/20 02:20	102.4	↓-5.0
7/20 02:30	97.5	↓-4.9
7/20 02:40	92.9	↓-4.6
7/20 02:50	88.6	↓-4.3
7/20 03:00	84.6	↓-4.0
7/20 03:10	80.8	↓-3.8
7/20 03:20	77.5	↓-3.3
7/20 03:30	74.5	↓-3.0
7/20 03:40	71.9	↓-2.6
7/20 03:50	69.8	↓-2.1
7/20 04:00	68.0	↓-1.8
7/20 04:10	66.7	↓-1.3
7/20 04:20	65.9	↓-0.8
7/20 04:30	65.5	↓-0.4	干潮
7/20 04:40	65.6	↑0.1
7/20 04:50	66.1	↑0.5
7/20 05:00	67.1	↑1.0
7/20 05:10	68.6	↑1.5
7/20 05:20	70.4	↑1.8
7/20 05:30	72.7	↑2.3
7/20 05:40	75.3	↑2.6
7/20 05:50	78.4	↑3.1
7/20 06:00	81.7	↑3.3
7/20 06:10	85.4	↑3.7
7/20 06:20	89.4	↑4.0
7/20 06:30	93.7	↑4.3
7/20 06:40	98.2	↑4.5
7/20 06:50	102.9	↑4.7
7/20 07:00	107.7	↑4.8
7/20 07:10	112.7	↑5.0
7/20 07:20	117.7	↑5.0
7/20 07:30	122.8	↑5.1
7/20 07:40	127.9	↑5.1
7/20 07:50	133.0	↑5.1
7/20 08:00	138.0	↑5.0
7/20 08:10	142.9	↑4.9
7/20 08:20	147.6	↑4.7
7/20 08:30	152.2	↑4.6
7/20 08:40	156.6	↑4.4
7/20 08:50	160.8	↑4.2
7/20 09:00	164.7	↑3.9
7/20 09:10	168.3	↑3.6
7/20 09:20	171.6	↑3.3
7/20 09:30	174.5	↑2.9
7/20 09:40	177.1	↑2.6
7/20 09:50	179.2	↑2.1
7/20 10:00	181.0	↑1.8
7/20 10:10	182.4	↑1.4
7/20 10:20	183.4	↑1.0
7/20 10:30	183.9	↑0.5	満潮
7/20 10:40	184.0	↑0.1
7/20 10:50	183.6	↓-0.4
7/20 11:00	182.8	↓-0.8
7/20 11:10	181.6	↓-1.2
7/20 11:20	180.0	↓-1.6
7/20 11:30	178.0	↓-2.0
7/20 11:40	175.5	↓-2.5
7/20 11:50	172.7	↓-2.8
7/20 12:00	169.5	↓-3.2
7/20 12:10	166.0	↓-3.5
7/20 12:20	162.2	↓-3.8
7/20 12:30	158.1	↓-4.1
7/20 12:40	153.7	↓-4.4
7/20 12:50	149.1	↓-4.6
7/20 13:00	144.2	↓-4.9
7/20 13:10	139.3	↓-4.9
7/20 13:20	134.2	↓-5.1
7/20 13:30	129.0	↓-5.2
7/20 13:40	123.7	↓-5.3
7/20 13:50	118.4	↓-5.3
7/20 14:00	113.2	↓-5.2
7/20 14:10	108.0	↓-5.2
7/20 14:20	102.9	↓-5.1
7/20 14:30	97.9	↓-5.0
7/20 14:40	93.1	↓-4.8
7/20 14:50	88.6	↓-4.5
7/20 15:00	84.2	↓-4.4
7/20 15:10	80.1	↓-4.1
7/20 15:20	76.3	↓-3.8
7/20 15:30	72.9	↓-3.4
7/20 15:40	69.7	↓-3.2
7/20 15:50	67.0	↓-2.7
7/20 16:00	64.7	↓-2.3
7/20 16:10	62.7	↓-2.0
7/20 16:20	61.2	↓-1.5
7/20 16:30	60.1	↓-1.1
7/20 16:40	59.5	↓-0.6	干潮
7/20 16:50	59.3	↓-0.2	干潮
7/20 17:00	59.6	↑0.3
7/20 17:10	60.3	↑0.7
7/20 17:20	61.4	↑1.1
7/20 17:30	63.0	↑1.6
7/20 17:40	65.0	↑2.0
7/20 17:50	67.4	↑2.4
7/20 18:00	70.2	↑2.8
7/20 18:10	73.3	↑3.1
7/20 18:20	76.8	↑3.5
7/20 18:30	80.6	↑3.8
7/20 18:40	84.7	↑4.1
7/20 18:50	89.1	↑4.4
7/20 19:00	93.7	↑4.6
7/20 19:10	98.4	↑4.7
7/20 19:20	103.4	↑5.0
7/20 19:30	108.4	↑5.0
7/20 19:40	113.6	↑5.2
7/20 19:50	118.8	↑5.2
7/20 20:00	124.1	↑5.3
7/20 20:10	129.3	↑5.2
7/20 20:20	134.5	↑5.2
7/20 20:30	139.6	↑5.1
7/20 20:40	144.5	↑4.9
7/20 20:50	149.4	↑4.9
7/20 21:00	154.0	↑4.6
7/20 21:10	158.5	↑4.5
7/20 21:20	162.6	↑4.1
7/20 21:30	166.6	↑4.0
7/20 21:40	170.2	↑3.6
7/20 21:50	173.5	↑3.3
7/20 22:00	176.5	↑3.0
7/20 22:10	179.1	↑2.6
7/20 22:20	181.4	↑2.3
7/20 22:30	183.2	↑1.8
7/20 22:40	184.7	↑1.5
7/20 22:50	185.8	↑1.1
7/20 23:00	186.4	↑0.6
7/20 23:10	186.6	↑0.2	満潮
7/20 23:20	186.5	↓-0.1
7/20 23:30	185.9	↓-0.6
7/20 23:40	184.9	↓-1.0
7/20 23:50	183.5	↓-1.4