20 (火)	08:06	02:09	20:43	14:21
	171cm	41cm	175cm	21cm
大潮 出 06:19 入 19:12 出 20:13 入 06:58 潮干狩り ◎ 12:52～15:50

黄尾嶼（沖縄）2038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	77.6	↓-5.3
4/20 00:10	72.5	↓-5.1
4/20 00:20	67.7	↓-4.8
4/20 00:30	63.1	↓-4.6
4/20 00:40	58.9	↓-4.2
4/20 00:50	55.1	↓-3.8
4/20 01:00	51.7	↓-3.4
4/20 01:10	48.7	↓-3.0
4/20 01:20	46.2	↓-2.5
4/20 01:30	44.1	↓-2.1
4/20 01:40	42.5	↓-1.6
4/20 01:50	41.4	↓-1.1
4/20 02:00	40.7	↓-0.7	干潮
4/20 02:10	40.6	↓-0.1
4/20 02:20	41.0	↑0.4
4/20 02:30	41.9	↑0.9
4/20 02:40	43.2	↑1.3
4/20 02:50	45.1	↑1.9
4/20 03:00	47.4	↑2.3
4/20 03:10	50.1	↑2.7
4/20 03:20	53.3	↑3.2
4/20 03:30	56.8	↑3.5
4/20 03:40	60.8	↑4.0
4/20 03:50	65.1	↑4.3
4/20 04:00	69.7	↑4.6
4/20 04:10	74.5	↑4.8
4/20 04:20	79.6	↑5.1
4/20 04:30	84.9	↑5.3
4/20 04:40	90.4	↑5.5
4/20 04:50	96.0	↑5.6
4/20 05:00	101.6	↑5.6
4/20 05:10	107.3	↑5.7
4/20 05:20	113.0	↑5.7
4/20 05:30	118.6	↑5.6
4/20 05:40	124.1	↑5.5
4/20 05:50	129.5	↑5.4
4/20 06:00	134.6	↑5.1
4/20 06:10	139.6	↑5.0
4/20 06:20	144.3	↑4.7
4/20 06:30	148.7	↑4.4
4/20 06:40	152.8	↑4.1
4/20 06:50	156.5	↑3.7
4/20 07:00	159.8	↑3.3
4/20 07:10	162.7	↑2.9
4/20 07:20	165.1	↑2.4
4/20 07:30	167.1	↑2.0
4/20 07:40	168.6	↑1.5
4/20 07:50	169.7	↑1.1
4/20 08:00	170.2	↑0.5	満潮
4/20 08:10	170.2	0
4/20 08:20	169.7	↓-0.5
4/20 08:30	168.7	↓-1.0
4/20 08:40	167.1	↓-1.6
4/20 08:50	165.1	↓-2.0
4/20 09:00	162.6	↓-2.5
4/20 09:10	159.7	↓-2.9
4/20 09:20	156.3	↓-3.4
4/20 09:30	152.4	↓-3.9
4/20 09:40	148.2	↓-4.2
4/20 09:50	143.6	↓-4.6
4/20 10:00	138.6	↓-5.0
4/20 10:10	133.4	↓-5.2
4/20 10:20	127.9	↓-5.5
4/20 10:30	122.1	↓-5.8
4/20 10:40	116.2	↓-5.9
4/20 10:50	110.1	↓-6.1
4/20 11:00	104.0	↓-6.1
4/20 11:10	97.7	↓-6.3
4/20 11:20	91.5	↓-6.2
4/20 11:30	85.2	↓-6.3
4/20 11:40	79.1	↓-6.1
4/20 11:50	73.0	↓-6.1
4/20 12:00	67.1	↓-5.9
4/20 12:10	61.4	↓-5.7
4/20 12:20	56.0	↓-5.4
4/20 12:30	50.8	↓-5.2
4/20 12:40	45.9	↓-4.9
4/20 12:50	41.4	↓-4.5
4/20 13:00	37.3	↓-4.1
4/20 13:10	33.6	↓-3.7
4/20 13:20	30.3	↓-3.3
4/20 13:30	27.5	↓-2.8
4/20 13:40	25.1	↓-2.4
4/20 13:50	23.3	↓-1.8
4/20 14:00	22.0	↓-1.3
4/20 14:10	21.1	↓-0.9
4/20 14:20	20.9	↓-0.2	干潮
4/20 14:30	21.1	↑0.2
4/20 14:40	21.9	↑0.8
4/20 14:50	23.2	↑1.3
4/20 15:00	25.0	↑1.8
4/20 15:10	27.3	↑2.3
4/20 15:20	30.1	↑2.8
4/20 15:30	33.3	↑3.2
4/20 15:40	37.0	↑3.7
4/20 15:50	41.1	↑4.1
4/20 16:00	45.6	↑4.5
4/20 16:10	50.5	↑4.9
4/20 16:20	55.7	↑5.2
4/20 16:30	61.1	↑5.4
4/20 16:40	66.9	↑5.8
4/20 16:50	72.8	↑5.9
4/20 17:00	78.9	↑6.1
4/20 17:10	85.1	↑6.2
4/20 17:20	91.4	↑6.3
4/20 17:30	97.7	↑6.3
4/20 17:40	104.1	↑6.4	最大潮位差
4/20 17:50	110.4	↑6.3
4/20 18:00	116.5	↑6.1
4/20 18:10	122.6	↑6.1
4/20 18:20	128.5	↑5.9
4/20 18:30	134.2	↑5.7
4/20 18:40	139.6	↑5.4
4/20 18:50	144.7	↑5.1
4/20 19:00	149.5	↑4.8
4/20 19:10	154.0	↑4.5
4/20 19:20	158.0	↑4.0
4/20 19:30	161.7	↑3.7
4/20 19:40	164.9	↑3.2
4/20 19:50	167.7	↑2.8
4/20 20:00	170.0	↑2.3
4/20 20:10	171.8	↑1.8
4/20 20:20	173.1	↑1.3
4/20 20:30	174.0	↑0.9
4/20 20:40	174.3	↑0.3	満潮
4/20 20:50	174.1	↓-0.2
4/20 21:00	173.5	↓-0.6
4/20 21:10	172.3	↓-1.2
4/20 21:20	170.7	↓-1.6
4/20 21:30	168.6	↓-2.1
4/20 21:40	166.1	↓-2.5
4/20 21:50	163.2	↓-2.9
4/20 22:00	159.8	↓-3.4
4/20 22:10	156.1	↓-3.7
4/20 22:20	152.1	↓-4.0
4/20 22:30	147.8	↓-4.3
4/20 22:40	143.2	↓-4.6
4/20 22:50	138.4	↓-4.8
4/20 23:00	133.4	↓-5.0
4/20 23:10	128.2	↓-5.2
4/20 23:20	122.9	↓-5.3
4/20 23:30	117.5	↓-5.4
4/20 23:40	112.2	↓-5.3
4/20 23:50	106.8	↓-5.4