20 (火)	06:01	00:02	18:41	12:22
	183cm	40cm	181cm	9cm
大潮 出 05:59 入 18:54 出 18:22 入 05:06 潮干狩り ◎ 10:31～14:13

安田（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	39.2	↓-0.2	干潮
4/20 00:10	39.4	↑0.2
4/20 00:20	40.2	↑0.8
4/20 00:30	41.4	↑1.2
4/20 00:40	43.2	↑1.8
4/20 00:50	45.5	↑2.3
4/20 01:00	48.3	↑2.8
4/20 01:10	51.5	↑3.2
4/20 01:20	55.2	↑3.7
4/20 01:30	59.3	↑4.1
4/20 01:40	63.8	↑4.5
4/20 01:50	68.6	↑4.8
4/20 02:00	73.8	↑5.2
4/20 02:10	79.2	↑5.4
4/20 02:20	84.9	↑5.7
4/20 02:30	90.8	↑5.9
4/20 02:40	96.9	↑6.1
4/20 02:50	103.1	↑6.2
4/20 03:00	109.3	↑6.2
4/20 03:10	115.6	↑6.3
4/20 03:20	121.8	↑6.2
4/20 03:30	128.0	↑6.2
4/20 03:40	134.0	↑6.0
4/20 03:50	139.9	↑5.9
4/20 04:00	145.6	↑5.7
4/20 04:10	151.0	↑5.4
4/20 04:20	156.1	↑5.1
4/20 04:30	160.8	↑4.7
4/20 04:40	165.2	↑4.4
4/20 04:50	169.2	↑4.0
4/20 05:00	172.7	↑3.5
4/20 05:10	175.7	↑3.0
4/20 05:20	178.2	↑2.5
4/20 05:30	180.2	↑2.0
4/20 05:40	181.6	↑1.4
4/20 05:50	182.5	↑0.9
4/20 06:00	182.8	↑0.3	満潮
4/20 06:10	182.5	↓-0.3
4/20 06:20	181.6	↓-0.9
4/20 06:30	180.1	↓-1.5
4/20 06:40	178.1	↓-2.0
4/20 06:50	175.5	↓-2.6
4/20 07:00	172.4	↓-3.1
4/20 07:10	168.7	↓-3.7
4/20 07:20	164.6	↓-4.1
4/20 07:30	160.0	↓-4.6
4/20 07:40	154.9	↓-5.1
4/20 07:50	149.4	↓-5.5
4/20 08:00	143.6	↓-5.8
4/20 08:10	137.4	↓-6.2
4/20 08:20	131.0	↓-6.4
4/20 08:30	124.3	↓-6.7
4/20 08:40	117.4	↓-6.9
4/20 08:50	110.3	↓-7.1
4/20 09:00	103.2	↓-7.1
4/20 09:10	96.0	↓-7.2	最大潮位差
4/20 09:20	88.8	↓-7.2	最大潮位差
4/20 09:30	81.7	↓-7.1
4/20 09:40	74.7	↓-7.0
4/20 09:50	67.8	↓-6.9
4/20 10:00	61.1	↓-6.7
4/20 10:10	54.6	↓-6.5
4/20 10:20	48.4	↓-6.2
4/20 10:30	42.6	↓-5.8
4/20 10:40	37.1	↓-5.5
4/20 10:50	32.0	↓-5.1
4/20 11:00	27.3	↓-4.7
4/20 11:10	23.1	↓-4.2
4/20 11:20	19.4	↓-3.7
4/20 11:30	16.2	↓-3.2
4/20 11:40	13.6	↓-2.6
4/20 11:50	11.5	↓-2.1
4/20 12:00	9.9	↓-1.6
4/20 12:10	9.0	↓-0.9
4/20 12:20	8.6	↓-0.4	干潮
4/20 12:30	8.8	↑0.2
4/20 12:40	9.6	↑0.8
4/20 12:50	11.0	↑1.4
4/20 13:00	13.0	↑2.0
4/20 13:10	15.5	↑2.5
4/20 13:20	18.5	↑3.0
4/20 13:30	22.1	↑3.6
4/20 13:40	26.2	↑4.1
4/20 13:50	30.8	↑4.6
4/20 14:00	35.8	↑5.0
4/20 14:10	41.2	↑5.4
4/20 14:20	46.9	↑5.7
4/20 14:30	53.0	↑6.1
4/20 14:40	59.4	↑6.4
4/20 14:50	66.1	↑6.7
4/20 15:00	72.9	↑6.8
4/20 15:10	79.9	↑7.0
4/20 15:20	87.0	↑7.1
4/20 15:30	94.2	↑7.2	最大潮位差
4/20 15:40	101.4	↑7.2	最大潮位差
4/20 15:50	108.5	↑7.1
4/20 16:00	115.5	↑7.0
4/20 16:10	122.4	↑6.9
4/20 16:20	129.1	↑6.7
4/20 16:30	135.6	↑6.5
4/20 16:40	141.7	↑6.1
4/20 16:50	147.6	↑5.9
4/20 17:00	153.0	↑5.4
4/20 17:10	158.1	↑5.1
4/20 17:20	162.7	↑4.6
4/20 17:30	166.9	↑4.2
4/20 17:40	170.6	↑3.7
4/20 17:50	173.7	↑3.1
4/20 18:00	176.3	↑2.6
4/20 18:10	178.3	↑2.0
4/20 18:20	179.8	↑1.5
4/20 18:30	180.7	↑0.9
4/20 18:40	181.0	↑0.3	満潮
4/20 18:50	180.7	↓-0.3
4/20 19:00	179.9	↓-0.8
4/20 19:10	178.5	↓-1.4
4/20 19:20	176.6	↓-1.9
4/20 19:30	174.1	↓-2.5
4/20 19:40	171.1	↓-3.0
4/20 19:50	167.7	↓-3.4
4/20 20:00	163.8	↓-3.9
4/20 20:10	159.6	↓-4.2
4/20 20:20	154.9	↓-4.7
4/20 20:30	149.9	↓-5.0
4/20 20:40	144.7	↓-5.2
4/20 20:50	139.2	↓-5.5
4/20 21:00	133.4	↓-5.8
4/20 21:10	127.6	↓-5.8
4/20 21:20	121.6	↓-6.0
4/20 21:30	115.6	↓-6.0
4/20 21:40	109.5	↓-6.1
4/20 21:50	103.5	↓-6.0
4/20 22:00	97.6	↓-5.9
4/20 22:10	91.7	↓-5.9
4/20 22:20	86.1	↓-5.6
4/20 22:30	80.7	↓-5.4
4/20 22:40	75.5	↓-5.2
4/20 22:50	70.6	↓-4.9
4/20 23:00	66.1	↓-4.5
4/20 23:10	61.9	↓-4.2
4/20 23:20	58.1	↓-3.8
4/20 23:30	54.7	↓-3.4
4/20 23:40	51.8	↓-2.9
4/20 23:50	49.4	↓-2.4