21 (火)	05:21	11:32	17:34	23:37
	166cm	47cm	160cm	44cm
中潮 出 05:58 入 18:54 出 16:23 入 04:13

安田（沖縄）2043年04月21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
4/21 00:00	49.1	↑2.2
4/21 00:10	51.6	↑2.5
4/21 00:20	54.4	↑2.8
4/21 00:30	57.6	↑3.2
4/21 00:40	61.1	↑3.5
4/21 00:50	64.9	↑3.8
4/21 01:00	68.9	↑4.0
4/21 01:10	73.2	↑4.3
4/21 01:20	77.8	↑4.6
4/21 01:30	82.5	↑4.7
4/21 01:40	87.3	↑4.8
4/21 01:50	92.3	↑5.0
4/21 02:00	97.3	↑5.0
4/21 02:10	102.4	↑5.1
4/21 02:20	107.6	↑5.2	最大潮位差
4/21 02:30	112.7	↑5.1
4/21 02:40	117.7	↑5.0
4/21 02:50	122.7	↑5.0
4/21 03:00	127.5	↑4.8
4/21 03:10	132.2	↑4.7
4/21 03:20	136.6	↑4.4
4/21 03:30	140.9	↑4.3
4/21 03:40	144.9	↑4.0
4/21 03:50	148.6	↑3.7
4/21 04:00	152.0	↑3.4
4/21 04:10	155.1	↑3.1
4/21 04:20	157.8	↑2.7
4/21 04:30	160.1	↑2.3
4/21 04:40	162.0	↑1.9
4/21 04:50	163.6	↑1.6
4/21 05:00	164.7	↑1.1
4/21 05:10	165.3	↑0.6
4/21 05:20	165.6	↑0.3	満潮
4/21 05:30	165.4	↓-0.2
4/21 05:40	164.7	↓-0.7
4/21 05:50	163.7	↓-1.0
4/21 06:00	162.2	↓-1.5
4/21 06:10	160.3	↓-1.9
4/21 06:20	158.0	↓-2.3
4/21 06:30	155.4	↓-2.6
4/21 06:40	152.4	↓-3.0
4/21 06:50	149.0	↓-3.4
4/21 07:00	145.3	↓-3.7
4/21 07:10	141.4	↓-3.9
4/21 07:20	137.2	↓-4.2
4/21 07:30	132.8	↓-4.4
4/21 07:40	128.2	↓-4.6
4/21 07:50	123.4	↓-4.8
4/21 08:00	118.5	↓-4.9
4/21 08:10	113.5	↓-5.0
4/21 08:20	108.5	↓-5.0
4/21 08:30	103.5	↓-5.0
4/21 08:40	98.5	↓-5.0
4/21 08:50	93.5	↓-5.0
4/21 09:00	88.7	↓-4.8
4/21 09:10	83.9	↓-4.8
4/21 09:20	79.4	↓-4.5
4/21 09:30	75.0	↓-4.4
4/21 09:40	70.9	↓-4.1
4/21 09:50	67.0	↓-3.9
4/21 10:00	63.4	↓-3.6
4/21 10:10	60.1	↓-3.3
4/21 10:20	57.1	↓-3.0
4/21 10:30	54.5	↓-2.6
4/21 10:40	52.2	↓-2.3
4/21 10:50	50.3	↓-1.9
4/21 11:00	48.8	↓-1.5
4/21 11:10	47.8	↓-1.0
4/21 11:20	47.1	↓-0.7
4/21 11:30	46.9	↓-0.2	干潮
4/21 11:40	47.0	↑0.1
4/21 11:50	47.6	↑0.6
4/21 12:00	48.6	↑1.0
4/21 12:10	50.0	↑1.4
4/21 12:20	51.8	↑1.8
4/21 12:30	54.0	↑2.2
4/21 12:40	56.6	↑2.6
4/21 12:50	59.5	↑2.9
4/21 13:00	62.7	↑3.2
4/21 13:10	66.2	↑3.5
4/21 13:20	70.1	↑3.9
4/21 13:30	74.1	↑4.0
4/21 13:40	78.4	↑4.3
4/21 13:50	82.9	↑4.5
4/21 14:00	87.5	↑4.6
4/21 14:10	92.3	↑4.8
4/21 14:20	97.1	↑4.8
4/21 14:30	102.0	↑4.9
4/21 14:40	106.9	↑4.9
4/21 14:50	111.8	↑4.9
4/21 15:00	116.6	↑4.8
4/21 15:10	121.4	↑4.8
4/21 15:20	126.0	↑4.6
4/21 15:30	130.4	↑4.4
4/21 15:40	134.6	↑4.2
4/21 15:50	138.6	↑4.0
4/21 16:00	142.4	↑3.8
4/21 16:10	145.8	↑3.4
4/21 16:20	148.9	↑3.1
4/21 16:30	151.7	↑2.8
4/21 16:40	154.1	↑2.4
4/21 16:50	156.1	↑2.0
4/21 17:00	157.7	↑1.6
4/21 17:10	158.9	↑1.2
4/21 17:20	159.6	↑0.7
4/21 17:30	160.0	↑0.4	満潮
4/21 17:40	159.9	↓-0.1
4/21 17:50	159.3	↓-0.6
4/21 18:00	158.3	↓-1.0
4/21 18:10	156.9	↓-1.4
4/21 18:20	155.1	↓-1.8
4/21 18:30	152.9	↓-2.2
4/21 18:40	150.3	↓-2.6
4/21 18:50	147.3	↓-3.0
4/21 19:00	144.0	↓-3.3
4/21 19:10	140.4	↓-3.6
4/21 19:20	136.5	↓-3.9
4/21 19:30	132.3	↓-4.2
4/21 19:40	127.9	↓-4.4
4/21 19:50	123.3	↓-4.6
4/21 20:00	118.5	↓-4.8
4/21 20:10	113.6	↓-4.9
4/21 20:20	108.7	↓-4.9
4/21 20:30	103.6	↓-5.1
4/21 20:40	98.6	↓-5.0
4/21 20:50	93.6	↓-5.0
4/21 21:00	88.6	↓-5.0
4/21 21:10	83.8	↓-4.8
4/21 21:20	79.1	↓-4.7
4/21 21:30	74.5	↓-4.6
4/21 21:40	70.2	↓-4.3
4/21 21:50	66.0	↓-4.2
4/21 22:00	62.2	↓-3.8
4/21 22:10	58.6	↓-3.6
4/21 22:20	55.4	↓-3.2
4/21 22:30	52.5	↓-2.9
4/21 22:40	50.0	↓-2.5
4/21 22:50	47.8	↓-2.2
4/21 23:00	46.1	↓-1.7
4/21 23:10	44.8	↓-1.3
4/21 23:20	43.9	↓-0.9
4/21 23:30	43.4	↓-0.5	干潮
4/21 23:40	43.4	0
4/21 23:50	43.8	↑0.4