20 (月)	11:04	04:47	22:35	16:27
	145cm	65cm	167cm	98cm
小潮 出 06:27 入 18:39 出 23:00 入 11:54

長山（沖縄）2038年09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
9/20 00:00	152.4	↓-3.2
9/20 00:10	148.9	↓-3.5
9/20 00:20	145.3	↓-3.6
9/20 00:30	141.5	↓-3.8
9/20 00:40	137.6	↓-3.9
9/20 00:50	133.5	↓-4.1
9/20 01:00	129.3	↓-4.2
9/20 01:10	125.1	↓-4.2
9/20 01:20	120.8	↓-4.3	最大潮位差
9/20 01:30	116.6	↓-4.2
9/20 01:40	112.3	↓-4.3	最大潮位差
9/20 01:50	108.0	↓-4.3	最大潮位差
9/20 02:00	103.9	↓-4.1
9/20 02:10	99.8	↓-4.1
9/20 02:20	95.8	↓-4.0
9/20 02:30	92.0	↓-3.8
9/20 02:40	88.3	↓-3.7
9/20 02:50	84.9	↓-3.4
9/20 03:00	81.6	↓-3.3
9/20 03:10	78.6	↓-3.0
9/20 03:20	75.8	↓-2.8
9/20 03:30	73.3	↓-2.5
9/20 03:40	71.0	↓-2.3
9/20 03:50	69.1	↓-1.9
9/20 04:00	67.5	↓-1.6
9/20 04:10	66.1	↓-1.4
9/20 04:20	65.1	↓-1.0
9/20 04:30	64.4	↓-0.7
9/20 04:40	64.1	↓-0.3	干潮
9/20 04:50	64.0	↓-0.1
9/20 05:00	64.3	↑0.3
9/20 05:10	64.9	↑0.6
9/20 05:20	65.8	↑0.9
9/20 05:30	67.0	↑1.2
9/20 05:40	68.5	↑1.5
9/20 05:50	70.3	↑1.8
9/20 06:00	72.3	↑2.0
9/20 06:10	74.6	↑2.3
9/20 06:20	77.0	↑2.4
9/20 06:30	79.7	↑2.7
9/20 06:40	82.6	↑2.9
9/20 06:50	85.6	↑3.0
9/20 07:00	88.7	↑3.1
9/20 07:10	91.9	↑3.2
9/20 07:20	95.2	↑3.3
9/20 07:30	98.6	↑3.4
9/20 07:40	102.0	↑3.4
9/20 07:50	105.4	↑3.4
9/20 08:00	108.7	↑3.3
9/20 08:10	112.1	↑3.4
9/20 08:20	115.3	↑3.2
9/20 08:30	118.5	↑3.2
9/20 08:40	121.6	↑3.1
9/20 08:50	124.5	↑2.9
9/20 09:00	127.3	↑2.8
9/20 09:10	130.0	↑2.7
9/20 09:20	132.4	↑2.4
9/20 09:30	134.7	↑2.3
9/20 09:40	136.8	↑2.1
9/20 09:50	138.6	↑1.8
9/20 10:00	140.2	↑1.6
9/20 10:10	141.6	↑1.4
9/20 10:20	142.8	↑1.2
9/20 10:30	143.7	↑0.9
9/20 10:40	144.4	↑0.7
9/20 10:50	144.8	↑0.4
9/20 11:00	145.0	↑0.2	満潮
9/20 11:10	144.9	↓-0.1
9/20 11:20	144.6	↓-0.3
9/20 11:30	144.1	↓-0.5
9/20 11:40	143.4	↓-0.7
9/20 11:50	142.5	↓-0.9
9/20 12:00	141.3	↓-1.2
9/20 12:10	140.0	↓-1.3
9/20 12:20	138.5	↓-1.5
9/20 12:30	136.9	↓-1.6
9/20 12:40	135.1	↓-1.8
9/20 12:50	133.2	↓-1.9
9/20 13:00	131.1	↓-2.1
9/20 13:10	129.0	↓-2.1
9/20 13:20	126.8	↓-2.2
9/20 13:30	124.6	↓-2.2
9/20 13:40	122.3	↓-2.3
9/20 13:50	120.0	↓-2.3
9/20 14:00	117.7	↓-2.3
9/20 14:10	115.5	↓-2.2
9/20 14:20	113.3	↓-2.2
9/20 14:30	111.1	↓-2.2
9/20 14:40	109.1	↓-2.0
9/20 14:50	107.2	↓-1.9
9/20 15:00	105.4	↓-1.8
9/20 15:10	103.7	↓-1.7
9/20 15:20	102.2	↓-1.5
9/20 15:30	100.9	↓-1.3
9/20 15:40	99.7	↓-1.2
9/20 15:50	98.8	↓-0.9
9/20 16:00	98.1	↓-0.7
9/20 16:10	97.6	↓-0.5
9/20 16:20	97.3	↓-0.3	干潮
9/20 16:30	97.3	0
9/20 16:40	97.5	↑0.2
9/20 16:50	97.9	↑0.4
9/20 17:00	98.6	↑0.7
9/20 17:10	99.5	↑0.9
9/20 17:20	100.7	↑1.2
9/20 17:30	102.1	↑1.4
9/20 17:40	103.7	↑1.6
9/20 17:50	105.5	↑1.8
9/20 18:00	107.5	↑2.0
9/20 18:10	109.6	↑2.1
9/20 18:20	112.0	↑2.4
9/20 18:30	114.5	↑2.5
9/20 18:40	117.1	↑2.6
9/20 18:50	119.8	↑2.7
9/20 19:00	122.6	↑2.8
9/20 19:10	125.5	↑2.9
9/20 19:20	128.4	↑2.9
9/20 19:30	131.4	↑3.0
9/20 19:40	134.3	↑2.9
9/20 19:50	137.3	↑3.0
9/20 20:00	140.1	↑2.8
9/20 20:10	143.0	↑2.9
9/20 20:20	145.7	↑2.7
9/20 20:30	148.4	↑2.7
9/20 20:40	150.9	↑2.5
9/20 20:50	153.3	↑2.4
9/20 21:00	155.5	↑2.2
9/20 21:10	157.5	↑2.0
9/20 21:20	159.4	↑1.9
9/20 21:30	161.0	↑1.6
9/20 21:40	162.5	↑1.5
9/20 21:50	163.7	↑1.2
9/20 22:00	164.7	↑1.0
9/20 22:10	165.4	↑0.7
9/20 22:20	165.9	↑0.5
9/20 22:30	166.1	↑0.2	満潮
9/20 22:40	166.1	0
9/20 22:50	165.9	↓-0.2
9/20 23:00	165.3	↓-0.6
9/20 23:10	164.5	↓-0.8
9/20 23:20	163.5	↓-1.0
9/20 23:30	162.2	↓-1.3
9/20 23:40	160.7	↓-1.5
9/20 23:50	159.0	↓-1.7