20 (火)	00:57	05:51	11:27	19:13
	139cm	115cm	146cm	56cm
小潮 出 06:02 入 18:57 出 11:52 入 01:10

那覇（沖縄）2021年04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
4/20 00:00	135.3	↑1.1
4/20 00:10	136.3	↑1.0
4/20 00:20	137.1	↑0.8
4/20 00:30	137.6	↑0.5
4/20 00:40	138.0	↑0.4
4/20 00:50	138.2	↑0.2	満潮
4/20 01:00	138.2	0
4/20 01:10	138.1	↓-0.1
4/20 01:20	137.8	↓-0.3
4/20 01:30	137.3	↓-0.5
4/20 01:40	136.8	↓-0.5
4/20 01:50	136.1	↓-0.7
4/20 02:00	135.2	↓-0.9
4/20 02:10	134.3	↓-0.9
4/20 02:20	133.3	↓-1.0
4/20 02:30	132.3	↓-1.0
4/20 02:40	131.1	↓-1.2
4/20 02:50	130.0	↓-1.1
4/20 03:00	128.8	↓-1.2
4/20 03:10	127.5	↓-1.3
4/20 03:20	126.3	↓-1.2
4/20 03:30	125.0	↓-1.3
4/20 03:40	123.8	↓-1.2
4/20 03:50	122.6	↓-1.2
4/20 04:00	121.5	↓-1.1
4/20 04:10	120.4	↓-1.1
4/20 04:20	119.4	↓-1.0
4/20 04:30	118.4	↓-1.0
4/20 04:40	117.6	↓-0.8
4/20 04:50	116.8	↓-0.8
4/20 05:00	116.2	↓-0.6
4/20 05:10	115.6	↓-0.6
4/20 05:20	115.2	↓-0.4
4/20 05:30	114.9	↓-0.3
4/20 05:40	114.7	↓-0.2
4/20 05:50	114.6	↓-0.1	干潮
4/20 06:00	114.7	↑0.1
4/20 06:10	114.9	↑0.2
4/20 06:20	115.2	↑0.3
4/20 06:30	115.6	↑0.4
4/20 06:40	116.2	↑0.6
4/20 06:50	116.8	↑0.6
4/20 07:00	117.6	↑0.8
4/20 07:10	118.5	↑0.9
4/20 07:20	119.5	↑1.0
4/20 07:30	120.5	↑1.0
4/20 07:40	121.7	↑1.2
4/20 07:50	122.9	↑1.2
4/20 08:00	124.2	↑1.3
4/20 08:10	125.5	↑1.3
4/20 08:20	126.8	↑1.3
4/20 08:30	128.2	↑1.4
4/20 08:40	129.7	↑1.5
4/20 08:50	131.1	↑1.4
4/20 09:00	132.5	↑1.4
4/20 09:10	133.9	↑1.4
4/20 09:20	135.3	↑1.4
4/20 09:30	136.6	↑1.3
4/20 09:40	137.9	↑1.3
4/20 09:50	139.1	↑1.2
4/20 10:00	140.3	↑1.2
4/20 10:10	141.3	↑1.0
4/20 10:20	142.3	↑1.0
4/20 10:30	143.2	↑0.9
4/20 10:40	143.9	↑0.7
4/20 10:50	144.5	↑0.6
4/20 11:00	145.0	↑0.5
4/20 11:10	145.3	↑0.3
4/20 11:20	145.5	↑0.2	満潮
4/20 11:30	145.5	0
4/20 11:40	145.4	↓-0.1
4/20 11:50	145.1	↓-0.3
4/20 12:00	144.6	↓-0.5
4/20 12:10	143.9	↓-0.7
4/20 12:20	143.1	↓-0.8
4/20 12:30	142.1	↓-1.0
4/20 12:40	140.9	↓-1.2
4/20 12:50	139.5	↓-1.4
4/20 13:00	138.0	↓-1.5
4/20 13:10	136.4	↓-1.6
4/20 13:20	134.5	↓-1.9
4/20 13:30	132.5	↓-2.0
4/20 13:40	130.4	↓-2.1
4/20 13:50	128.1	↓-2.3
4/20 14:00	125.7	↓-2.4
4/20 14:10	123.2	↓-2.5
4/20 14:20	120.6	↓-2.6
4/20 14:30	117.9	↓-2.7
4/20 14:40	115.1	↓-2.8
4/20 14:50	112.2	↓-2.9
4/20 15:00	109.2	↓-3.0
4/20 15:10	106.2	↓-3.0
4/20 15:20	103.2	↓-3.0
4/20 15:30	100.1	↓-3.1	最大潮位差
4/20 15:40	97.0	↓-3.1	最大潮位差
4/20 15:50	94.0	↓-3.0
4/20 16:00	90.9	↓-3.1	最大潮位差
4/20 16:10	87.9	↓-3.0
4/20 16:20	85.0	↓-2.9
4/20 16:30	82.1	↓-2.9
4/20 16:40	79.2	↓-2.9
4/20 16:50	76.5	↓-2.7
4/20 17:00	73.9	↓-2.6
4/20 17:10	71.4	↓-2.5
4/20 17:20	69.1	↓-2.3
4/20 17:30	66.9	↓-2.2
4/20 17:40	64.9	↓-2.0
4/20 17:50	63.0	↓-1.9
4/20 18:00	61.4	↓-1.6
4/20 18:10	59.9	↓-1.5
4/20 18:20	58.6	↓-1.3
4/20 18:30	57.6	↓-1.0
4/20 18:40	56.7	↓-0.9
4/20 18:50	56.1	↓-0.6
4/20 19:00	55.7	↓-0.4
4/20 19:10	55.6	↓-0.1	干潮
4/20 19:20	55.7	↑0.1
4/20 19:30	56.0	↑0.3
4/20 19:40	56.5	↑0.5
4/20 19:50	57.2	↑0.7
4/20 20:00	58.2	↑1.0
4/20 20:10	59.4	↑1.2
4/20 20:20	60.8	↑1.4
4/20 20:30	62.4	↑1.6
4/20 20:40	64.1	↑1.7
4/20 20:50	66.1	↑2.0
4/20 21:00	68.2	↑2.1
4/20 21:10	70.5	↑2.3
4/20 21:20	72.9	↑2.4
4/20 21:30	75.5	↑2.6
4/20 21:40	78.2	↑2.7
4/20 21:50	81.0	↑2.8
4/20 22:00	83.8	↑2.8
4/20 22:10	86.8	↑3.0
4/20 22:20	89.8	↑3.0
4/20 22:30	92.8	↑3.0
4/20 22:40	95.8	↑3.0
4/20 22:50	98.9	↑3.1	最大潮位差
4/20 23:00	101.9	↑3.0
4/20 23:10	104.9	↑3.0
4/20 23:20	107.9	↑3.0
4/20 23:30	110.8	↑2.9
4/20 23:40	113.6	↑2.8
4/20 23:50	116.4	↑2.8