20 (火)	07:28	01:28	20:03	13:45
	198cm	35cm	197cm	10cm
大潮 出 06:06 入 19:00 出 20:01 入 06:45 潮干狩り ◎ 11:57～15:33

儀間（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	56.2	↓-5.0
4/20 00:10	51.6	↓-4.6
4/20 00:20	47.4	↓-4.2
4/20 00:30	43.8	↓-3.6
4/20 00:40	40.8	↓-3.0
4/20 00:50	38.2	↓-2.6
4/20 01:00	36.3	↓-1.9
4/20 01:10	35.0	↓-1.3
4/20 01:20	34.2	↓-0.8	干潮
4/20 01:30	34.1	↓-0.1
4/20 01:40	34.6	↑0.5
4/20 01:50	35.7	↑1.1
4/20 02:00	37.4	↑1.7
4/20 02:10	39.7	↑2.3
4/20 02:20	42.5	↑2.8
4/20 02:30	46.0	↑3.5
4/20 02:40	49.9	↑3.9
4/20 02:50	54.3	↑4.4
4/20 03:00	59.2	↑4.9
4/20 03:10	64.5	↑5.3
4/20 03:20	70.2	↑5.7
4/20 03:30	76.3	↑6.1
4/20 03:40	82.6	↑6.3
4/20 03:50	89.2	↑6.6
4/20 04:00	96.0	↑6.8
4/20 04:10	103.0	↑7.0
4/20 04:20	110.0	↑7.0
4/20 04:30	117.1	↑7.1
4/20 04:40	124.2	↑7.1
4/20 04:50	131.2	↑7.0
4/20 05:00	138.2	↑7.0
4/20 05:10	144.9	↑6.7
4/20 05:20	151.4	↑6.5
4/20 05:30	157.7	↑6.3
4/20 05:40	163.6	↑5.9
4/20 05:50	169.2	↑5.6
4/20 06:00	174.4	↑5.2
4/20 06:10	179.1	↑4.7
4/20 06:20	183.3	↑4.2
4/20 06:30	187.1	↑3.8
4/20 06:40	190.2	↑3.1
4/20 06:50	192.8	↑2.6
4/20 07:00	194.9	↑2.1
4/20 07:10	196.3	↑1.4
4/20 07:20	197.1	↑0.8	満潮
4/20 07:30	197.2	↑0.1
4/20 07:40	196.7	↓-0.5
4/20 07:50	195.6	↓-1.1
4/20 08:00	193.9	↓-1.7
4/20 08:10	191.5	↓-2.4
4/20 08:20	188.5	↓-3.0
4/20 08:30	184.9	↓-3.6
4/20 08:40	180.8	↓-4.1
4/20 08:50	176.2	↓-4.6
4/20 09:00	171.0	↓-5.2
4/20 09:10	165.4	↓-5.6
4/20 09:20	159.3	↓-6.1
4/20 09:30	152.8	↓-6.5
4/20 09:40	146.0	↓-6.8
4/20 09:50	138.9	↓-7.1
4/20 10:00	131.5	↓-7.4
4/20 10:10	124.0	↓-7.5
4/20 10:20	116.3	↓-7.7
4/20 10:30	108.5	↓-7.8
4/20 10:40	100.7	↓-7.8
4/20 10:50	92.8	↓-7.9	最大潮位差
4/20 11:00	85.1	↓-7.7
4/20 11:10	77.5	↓-7.6
4/20 11:20	70.0	↓-7.5
4/20 11:30	62.8	↓-7.2
4/20 11:40	55.9	↓-6.9
4/20 11:50	49.3	↓-6.6
4/20 12:00	43.1	↓-6.2
4/20 12:10	37.3	↓-5.8
4/20 12:20	31.9	↓-5.4
4/20 12:30	27.1	↓-4.8
4/20 12:40	22.8	↓-4.3
4/20 12:50	19.0	↓-3.8
4/20 13:00	15.9	↓-3.1
4/20 13:10	13.4	↓-2.5
4/20 13:20	11.4	↓-2.0
4/20 13:30	10.2	↓-1.2
4/20 13:40	9.6	↓-0.6	干潮
4/20 13:50	9.6	0
4/20 14:00	10.3	↑0.7
4/20 14:10	11.6	↑1.3
4/20 14:20	13.6	↑2.0
4/20 14:30	16.2	↑2.6
4/20 14:40	19.4	↑3.2
4/20 14:50	23.3	↑3.9
4/20 15:00	27.6	↑4.3
4/20 15:10	32.5	↑4.9
4/20 15:20	37.9	↑5.4
4/20 15:30	43.7	↑5.8
4/20 15:40	49.9	↑6.2
4/20 15:50	56.6	↑6.7
4/20 16:00	63.5	↑6.9
4/20 16:10	70.7	↑7.2
4/20 16:20	78.1	↑7.4
4/20 16:30	85.7	↑7.6
4/20 16:40	93.4	↑7.7
4/20 16:50	101.2	↑7.8
4/20 17:00	109.0	↑7.8
4/20 17:10	116.7	↑7.7
4/20 17:20	124.4	↑7.7
4/20 17:30	131.8	↑7.4
4/20 17:40	139.1	↑7.3
4/20 17:50	146.1	↑7.0
4/20 18:00	152.9	↑6.8
4/20 18:10	159.2	↑6.3
4/20 18:20	165.2	↑6.0
4/20 18:30	170.7	↑5.5
4/20 18:40	175.8	↑5.1
4/20 18:50	180.4	↑4.6
4/20 19:00	184.4	↑4.0
4/20 19:10	187.9	↑3.5
4/20 19:20	190.8	↑2.9
4/20 19:30	193.1	↑2.3
4/20 19:40	194.8	↑1.7
4/20 19:50	195.9	↑1.1
4/20 20:00	196.3	↑0.4	満潮
4/20 20:10	196.2	↓-0.1
4/20 20:20	195.4	↓-0.8
4/20 20:30	194.0	↓-1.4
4/20 20:40	192.0	↓-2.0
4/20 20:50	189.4	↓-2.6
4/20 21:00	186.3	↓-3.1
4/20 21:10	182.7	↓-3.6
4/20 21:20	178.5	↓-4.2
4/20 21:30	173.9	↓-4.6
4/20 21:40	168.9	↓-5.0
4/20 21:50	163.5	↓-5.4
4/20 22:00	157.8	↓-5.7
4/20 22:10	151.7	↓-6.1
4/20 22:20	145.4	↓-6.3
4/20 22:30	138.9	↓-6.5
4/20 22:40	132.3	↓-6.6
4/20 22:50	125.6	↓-6.7
4/20 23:00	118.8	↓-6.8
4/20 23:10	112.0	↓-6.8
4/20 23:20	105.3	↓-6.7
4/20 23:30	98.7	↓-6.6
4/20 23:40	92.3	↓-6.4
4/20 23:50	86.0	↓-6.3