20 (火)	07:01	01:00	19:32	13:12
	167cm	41cm	175cm	27cm
大潮 出 06:19 入 19:12 出 18:41 入 05:27 潮干狩り ○ 11:55～14:29

黄尾嶼（沖縄）2027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	48.9	↓-2.8
4/20 00:10	46.4	↓-2.5
4/20 00:20	44.3	↓-2.1
4/20 00:30	42.7	↓-1.6
4/20 00:40	41.6	↓-1.1
4/20 00:50	40.9	↓-0.7	干潮
4/20 01:00	40.7	↓-0.2	干潮
4/20 01:10	41.0	↑0.3
4/20 01:20	41.7	↑0.7
4/20 01:30	43.0	↑1.3
4/20 01:40	44.6	↑1.6
4/20 01:50	46.7	↑2.1
4/20 02:00	49.3	↑2.6
4/20 02:10	52.2	↑2.9
4/20 02:20	55.6	↑3.4
4/20 02:30	59.3	↑3.7
4/20 02:40	63.3	↑4.0
4/20 02:50	67.6	↑4.3
4/20 03:00	72.2	↑4.6
4/20 03:10	77.1	↑4.9
4/20 03:20	82.1	↑5.0
4/20 03:30	87.3	↑5.2
4/20 03:40	92.6	↑5.3
4/20 03:50	98.0	↑5.4
4/20 04:00	103.5	↑5.5
4/20 04:10	108.9	↑5.4
4/20 04:20	114.3	↑5.4
4/20 04:30	119.6	↑5.3
4/20 04:40	124.8	↑5.2
4/20 04:50	129.9	↑5.1
4/20 05:00	134.7	↑4.8
4/20 05:10	139.3	↑4.6
4/20 05:20	143.7	↑4.4
4/20 05:30	147.7	↑4.0
4/20 05:40	151.4	↑3.7
4/20 05:50	154.7	↑3.3
4/20 06:00	157.7	↑3.0
4/20 06:10	160.2	↑2.5
4/20 06:20	162.3	↑2.1
4/20 06:30	164.0	↑1.7
4/20 06:40	165.1	↑1.1
4/20 06:50	165.8	↑0.7
4/20 07:00	166.1	↑0.3	満潮
4/20 07:10	165.8	↓-0.3
4/20 07:20	165.0	↓-0.8
4/20 07:30	163.8	↓-1.2
4/20 07:40	162.1	↓-1.7
4/20 07:50	159.9	↓-2.2
4/20 08:00	157.3	↓-2.6
4/20 08:10	154.3	↓-3.0
4/20 08:20	150.8	↓-3.5
4/20 08:30	146.9	↓-3.9
4/20 08:40	142.7	↓-4.2
4/20 08:50	138.2	↓-4.5
4/20 09:00	133.3	↓-4.9
4/20 09:10	128.2	↓-5.1
4/20 09:20	122.9	↓-5.3
4/20 09:30	117.3	↓-5.6
4/20 09:40	111.7	↓-5.6
4/20 09:50	105.9	↓-5.8
4/20 10:00	100.0	↓-5.9
4/20 10:10	94.1	↓-5.9
4/20 10:20	88.2	↓-5.9
4/20 10:30	82.3	↓-5.9
4/20 10:40	76.6	↓-5.7
4/20 10:50	71.0	↓-5.6
4/20 11:00	65.6	↓-5.4
4/20 11:10	60.4	↓-5.2
4/20 11:20	55.4	↓-5.0
4/20 11:30	50.8	↓-4.6
4/20 11:40	46.4	↓-4.4
4/20 11:50	42.5	↓-3.9
4/20 12:00	38.9	↓-3.6
4/20 12:10	35.7	↓-3.2
4/20 12:20	32.9	↓-2.8
4/20 12:30	30.6	↓-2.3
4/20 12:40	28.8	↓-1.8
4/20 12:50	27.5	↓-1.3
4/20 13:00	26.7	↓-0.8
4/20 13:10	26.4	↓-0.3	干潮
4/20 13:20	26.5	↑0.1
4/20 13:30	27.2	↑0.7
4/20 13:40	28.4	↑1.2
4/20 13:50	30.1	↑1.7
4/20 14:00	32.3	↑2.2
4/20 14:10	34.9	↑2.6
4/20 14:20	38.0	↑3.1
4/20 14:30	41.5	↑3.5
4/20 14:40	45.5	↑4.0
4/20 14:50	49.8	↑4.3
4/20 15:00	54.4	↑4.6
4/20 15:10	59.4	↑5.0
4/20 15:20	64.7	↑5.3
4/20 15:30	70.2	↑5.5
4/20 15:40	75.9	↑5.7
4/20 15:50	81.8	↑5.9
4/20 16:00	87.8	↑6.0
4/20 16:10	93.9	↑6.1	最大潮位差
4/20 16:20	100.0	↑6.1	最大潮位差
4/20 16:30	106.1	↑6.1	最大潮位差
4/20 16:40	112.2	↑6.1	最大潮位差
4/20 16:50	118.2	↑6.0
4/20 17:00	124.1	↑5.9
4/20 17:10	129.9	↑5.8
4/20 17:20	135.4	↑5.5
4/20 17:30	140.6	↑5.2
4/20 17:40	145.6	↑5.0
4/20 17:50	150.3	↑4.7
4/20 18:00	154.6	↑4.3
4/20 18:10	158.6	↑4.0
4/20 18:20	162.2	↑3.6
4/20 18:30	165.3	↑3.1
4/20 18:40	168.0	↑2.7
4/20 18:50	170.2	↑2.2
4/20 19:00	172.0	↑1.8
4/20 19:10	173.3	↑1.3
4/20 19:20	174.0	↑0.7
4/20 19:30	174.3	↑0.3	満潮
4/20 19:40	174.1	↓-0.2
4/20 19:50	173.4	↓-0.7
4/20 20:00	172.2	↓-1.2
4/20 20:10	170.6	↓-1.6
4/20 20:20	168.4	↓-2.2
4/20 20:30	165.9	↓-2.5
4/20 20:40	162.9	↓-3.0
4/20 20:50	159.6	↓-3.3
4/20 21:00	155.8	↓-3.8
4/20 21:10	151.8	↓-4.0
4/20 21:20	147.4	↓-4.4
4/20 21:30	142.7	↓-4.7
4/20 21:40	137.9	↓-4.8
4/20 21:50	132.8	↓-5.1
4/20 22:00	127.5	↓-5.3
4/20 22:10	122.2	↓-5.3
4/20 22:20	116.7	↓-5.5
4/20 22:30	111.3	↓-5.4
4/20 22:40	105.8	↓-5.5
4/20 22:50	100.4	↓-5.4
4/20 23:00	95.1	↓-5.3
4/20 23:10	89.9	↓-5.2
4/20 23:20	84.8	↓-5.1
4/20 23:30	80.0	↓-4.8
4/20 23:40	75.4	↓-4.6
4/20 23:50	71.1	↓-4.3