20 (日)	05:54	12:10	18:25	-
	185cm	27cm	187cm	-
大潮 出 06:07 入 19:00 出 04:51 入 17:43 潮干狩り ○ 10:47～13:32

儀間（沖縄）2031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	43.8	↑0.4
4/20 00:10	44.7	↑0.9
4/20 00:20	46.1	↑1.4
4/20 00:30	48.0	↑1.9
4/20 00:40	50.4	↑2.4
4/20 00:50	53.2	↑2.8
4/20 01:00	56.5	↑3.3
4/20 01:10	60.2	↑3.7
4/20 01:20	64.3	↑4.1
4/20 01:30	68.8	↑4.5
4/20 01:40	73.5	↑4.7
4/20 01:50	78.6	↑5.1
4/20 02:00	84.0	↑5.4
4/20 02:10	89.6	↑5.6
4/20 02:20	95.3	↑5.7
4/20 02:30	101.2	↑5.9
4/20 02:40	107.2	↑6.0
4/20 02:50	113.3	↑6.1
4/20 03:00	119.3	↑6.0
4/20 03:10	125.4	↑6.1
4/20 03:20	131.3	↑5.9
4/20 03:30	137.1	↑5.8
4/20 03:40	142.8	↑5.7
4/20 03:50	148.2	↑5.4
4/20 04:00	153.5	↑5.3
4/20 04:10	158.4	↑4.9
4/20 04:20	163.0	↑4.6
4/20 04:30	167.2	↑4.2
4/20 04:40	171.0	↑3.8
4/20 04:50	174.5	↑3.5
4/20 05:00	177.4	↑2.9
4/20 05:10	179.9	↑2.5
4/20 05:20	182.0	↑2.1
4/20 05:30	183.5	↑1.5
4/20 05:40	184.4	↑0.9
4/20 05:50	184.9	↑0.5	満潮
4/20 06:00	184.8	↓-0.1
4/20 06:10	184.2	↓-0.6
4/20 06:20	183.0	↓-1.2
4/20 06:30	181.3	↓-1.7
4/20 06:40	179.1	↓-2.2
4/20 06:50	176.4	↓-2.7
4/20 07:00	173.2	↓-3.2
4/20 07:10	169.6	↓-3.6
4/20 07:20	165.4	↓-4.2
4/20 07:30	160.9	↓-4.5
4/20 07:40	156.0	↓-4.9
4/20 07:50	150.7	↓-5.3
4/20 08:00	145.2	↓-5.5
4/20 08:10	139.3	↓-5.9
4/20 08:20	133.2	↓-6.1
4/20 08:30	126.9	↓-6.3
4/20 08:40	120.5	↓-6.4
4/20 08:50	113.9	↓-6.6
4/20 09:00	107.3	↓-6.6
4/20 09:10	100.7	↓-6.6
4/20 09:20	94.1	↓-6.6
4/20 09:30	87.6	↓-6.5
4/20 09:40	81.3	↓-6.3
4/20 09:50	75.0	↓-6.3
4/20 10:00	69.1	↓-5.9
4/20 10:10	63.3	↓-5.8
4/20 10:20	57.9	↓-5.4
4/20 10:30	52.8	↓-5.1
4/20 10:40	48.1	↓-4.7
4/20 10:50	43.7	↓-4.4
4/20 11:00	39.8	↓-3.9
4/20 11:10	36.4	↓-3.4
4/20 11:20	33.5	↓-2.9
4/20 11:30	31.1	↓-2.4
4/20 11:40	29.2	↓-1.9
4/20 11:50	27.9	↓-1.3
4/20 12:00	27.1	↓-0.8	干潮
4/20 12:10	26.8	↓-0.3	干潮
4/20 12:20	27.2	↑0.4
4/20 12:30	28.0	↑0.8
4/20 12:40	29.5	↑1.5
4/20 12:50	31.5	↑2.0
4/20 13:00	34.0	↑2.5
4/20 13:10	37.0	↑3.0
4/20 13:20	40.5	↑3.5
4/20 13:30	44.5	↑4.0
4/20 13:40	48.9	↑4.4
4/20 13:50	53.8	↑4.9
4/20 14:00	58.9	↑5.1
4/20 14:10	64.5	↑5.6
4/20 14:20	70.3	↑5.8
4/20 14:30	76.4	↑6.1
4/20 14:40	82.7	↑6.3
4/20 14:50	89.2	↑6.5
4/20 15:00	95.8	↑6.6
4/20 15:10	102.4	↑6.6
4/20 15:20	109.1	↑6.7	最大潮位差
4/20 15:30	115.8	↑6.7	最大潮位差
4/20 15:40	122.4	↑6.6
4/20 15:50	128.9	↑6.5
4/20 16:00	135.2	↑6.3
4/20 16:10	141.4	↑6.2
4/20 16:20	147.3	↑5.9
4/20 16:30	152.9	↑5.6
4/20 16:40	158.1	↑5.2
4/20 16:50	163.1	↑5.0
4/20 17:00	167.6	↑4.5
4/20 17:10	171.6	↑4.0
4/20 17:20	175.3	↑3.7
4/20 17:30	178.4	↑3.1
4/20 17:40	181.0	↑2.6
4/20 17:50	183.2	↑2.2
4/20 18:00	184.7	↑1.5
4/20 18:10	185.8	↑1.1
4/20 18:20	186.3	↑0.5	満潮
4/20 18:30	186.2	↓-0.1
4/20 18:40	185.6	↓-0.6
4/20 18:50	184.4	↓-1.2
4/20 19:00	182.7	↓-1.7
4/20 19:10	180.5	↓-2.2
4/20 19:20	177.7	↓-2.8
4/20 19:30	174.5	↓-3.2
4/20 19:40	170.9	↓-3.6
4/20 19:50	166.8	↓-4.1
4/20 20:00	162.3	↓-4.5
4/20 20:10	157.5	↓-4.8
4/20 20:20	152.3	↓-5.2
4/20 20:30	146.8	↓-5.5
4/20 20:40	141.1	↓-5.7
4/20 20:50	135.2	↓-5.9
4/20 21:00	129.2	↓-6.0
4/20 21:10	123.0	↓-6.2
4/20 21:20	116.8	↓-6.2
4/20 21:30	110.5	↓-6.3
4/20 21:40	104.3	↓-6.2
4/20 21:50	98.2	↓-6.1
4/20 22:00	92.2	↓-6.0
4/20 22:10	86.4	↓-5.8
4/20 22:20	80.7	↓-5.7
4/20 22:30	75.4	↓-5.3
4/20 22:40	70.3	↓-5.1
4/20 22:50	65.6	↓-4.7
4/20 23:00	61.3	↓-4.3
4/20 23:10	57.3	↓-4.0
4/20 23:20	53.8	↓-3.5
4/20 23:30	50.8	↓-3.0
4/20 23:40	48.2	↓-2.6
4/20 23:50	46.2	↓-2.0