20 (日)	05:49	12:08	18:23	-
	173cm	22cm	171cm	-
大潮 出 06:01 入 18:57 出 04:46 入 17:39 潮干狩り ○ 10:38～13:38

我喜屋（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	42.1	↑0.5
4/20 00:10	43.2	↑1.1
4/20 00:20	44.7	↑1.5
4/20 00:30	46.7	↑2.0
4/20 00:40	49.1	↑2.4
4/20 00:50	51.9	↑2.8
4/20 01:00	55.1	↑3.2
4/20 01:10	58.7	↑3.6
4/20 01:20	62.7	↑4.0
4/20 01:30	66.9	↑4.2
4/20 01:40	71.5	↑4.6
4/20 01:50	76.3	↑4.8
4/20 02:00	81.4	↑5.1
4/20 02:10	86.6	↑5.2
4/20 02:20	92.0	↑5.4
4/20 02:30	97.5	↑5.5
4/20 02:40	103.1	↑5.6
4/20 02:50	108.7	↑5.6
4/20 03:00	114.4	↑5.7
4/20 03:10	119.9	↑5.5
4/20 03:20	125.4	↑5.5
4/20 03:30	130.7	↑5.3
4/20 03:40	135.9	↑5.2
4/20 03:50	140.8	↑4.9
4/20 04:00	145.5	↑4.7
4/20 04:10	150.0	↑4.5
4/20 04:20	154.1	↑4.1
4/20 04:30	157.8	↑3.7
4/20 04:40	161.2	↑3.4
4/20 04:50	164.2	↑3.0
4/20 05:00	166.7	↑2.5
4/20 05:10	168.8	↑2.1
4/20 05:20	170.4	↑1.6
4/20 05:30	171.6	↑1.2
4/20 05:40	172.2	↑0.6	満潮
4/20 05:50	172.4	↑0.2
4/20 06:00	172.0	↓-0.4
4/20 06:10	171.2	↓-0.8
4/20 06:20	169.8	↓-1.4
4/20 06:30	168.0	↓-1.8
4/20 06:40	165.7	↓-2.3
4/20 06:50	162.9	↓-2.8
4/20 07:00	159.6	↓-3.3
4/20 07:10	156.0	↓-3.6
4/20 07:20	151.9	↓-4.1
4/20 07:30	147.4	↓-4.5
4/20 07:40	142.6	↓-4.8
4/20 07:50	137.5	↓-5.1
4/20 08:00	132.1	↓-5.4
4/20 08:10	126.5	↓-5.6
4/20 08:20	120.6	↓-5.9
4/20 08:30	114.6	↓-6.0
4/20 08:40	108.4	↓-6.2
4/20 08:50	102.2	↓-6.2
4/20 09:00	95.9	↓-6.3	最大潮位差
4/20 09:10	89.7	↓-6.2
4/20 09:20	83.4	↓-6.3	最大潮位差
4/20 09:30	77.3	↓-6.1
4/20 09:40	71.3	↓-6.0
4/20 09:50	65.5	↓-5.8
4/20 10:00	59.9	↓-5.6
4/20 10:10	54.5	↓-5.4
4/20 10:20	49.5	↓-5.0
4/20 10:30	44.7	↓-4.8
4/20 10:40	40.4	↓-4.3
4/20 10:50	36.4	↓-4.0
4/20 11:00	32.8	↓-3.6
4/20 11:10	29.7	↓-3.1
4/20 11:20	27.0	↓-2.7
4/20 11:30	24.9	↓-2.1
4/20 11:40	23.2	↓-1.7
4/20 11:50	22.0	↓-1.2
4/20 12:00	21.4	↓-0.6	干潮
4/20 12:10	21.3	↓-0.1
4/20 12:20	21.7	↑0.4
4/20 12:30	22.6	↑0.9
4/20 12:40	24.1	↑1.5
4/20 12:50	26.1	↑2.0
4/20 13:00	28.5	↑2.4
4/20 13:10	31.4	↑2.9
4/20 13:20	34.8	↑3.4
4/20 13:30	38.6	↑3.8
4/20 13:40	42.8	↑4.2
4/20 13:50	47.4	↑4.6
4/20 14:00	52.3	↑4.9
4/20 14:10	57.5	↑5.2
4/20 14:20	63.0	↑5.5
4/20 14:30	68.8	↑5.8
4/20 14:40	74.7	↑5.9
4/20 14:50	80.7	↑6.0
4/20 15:00	86.9	↑6.2
4/20 15:10	93.1	↑6.2
4/20 15:20	99.4	↑6.3	最大潮位差
4/20 15:30	105.6	↑6.2
4/20 15:40	111.7	↑6.1
4/20 15:50	117.7	↑6.0
4/20 16:00	123.6	↑5.9
4/20 16:10	129.3	↑5.7
4/20 16:20	134.7	↑5.4
4/20 16:30	139.9	↑5.2
4/20 16:40	144.7	↑4.8
4/20 16:50	149.2	↑4.5
4/20 17:00	153.3	↑4.1
4/20 17:10	157.0	↑3.7
4/20 17:20	160.3	↑3.3
4/20 17:30	163.2	↑2.9
4/20 17:40	165.5	↑2.3
4/20 17:50	167.4	↑1.9
4/20 18:00	168.8	↑1.4
4/20 18:10	169.7	↑0.9
4/20 18:20	170.0	↑0.3	満潮
4/20 18:30	169.9	↓-0.1
4/20 18:40	169.2	↓-0.7
4/20 18:50	168.1	↓-1.1
4/20 19:00	166.4	↓-1.7
4/20 19:10	164.3	↓-2.1
4/20 19:20	161.8	↓-2.5
4/20 19:30	158.7	↓-3.1
4/20 19:40	155.3	↓-3.4
4/20 19:50	151.5	↓-3.8
4/20 20:00	147.3	↓-4.2
4/20 20:10	142.8	↓-4.5
4/20 20:20	138.0	↓-4.8
4/20 20:30	133.0	↓-5.0
4/20 20:40	127.8	↓-5.2
4/20 20:50	122.4	↓-5.4
4/20 21:00	116.8	↓-5.6
4/20 21:10	111.2	↓-5.6
4/20 21:20	105.5	↓-5.7
4/20 21:30	99.8	↓-5.7
4/20 21:40	94.2	↓-5.6
4/20 21:50	88.7	↓-5.5
4/20 22:00	83.3	↓-5.4
4/20 22:10	78.0	↓-5.3
4/20 22:20	73.0	↓-5.0
4/20 22:30	68.2	↓-4.8
4/20 22:40	63.8	↓-4.4
4/20 22:50	59.6	↓-4.2
4/20 23:00	55.8	↓-3.8
4/20 23:10	52.4	↓-3.4
4/20 23:20	49.4	↓-3.0
4/20 23:30	46.8	↓-2.6
4/20 23:40	44.7	↓-2.1
4/20 23:50	43.1	↓-1.6