20 (日)	06:21	00:14	19:03	12:42
	168cm	45cm	164cm	22cm
大潮 出 06:14 入 19:04 出 04:57 入 17:48 潮干狩り ○ 11:15～14:09

佐良浜（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	45.2	↓-0.8
4/20 00:10	44.8	↓-0.4	干潮
4/20 00:20	44.9	↑0.1
4/20 00:30	45.4	↑0.5
4/20 00:40	46.4	↑1.0
4/20 00:50	47.8	↑1.4
4/20 01:00	49.7	↑1.9
4/20 01:10	51.9	↑2.2
4/20 01:20	54.6	↑2.7
4/20 01:30	57.6	↑3.0
4/20 01:40	61.0	↑3.4
4/20 01:50	64.7	↑3.7
4/20 02:00	68.7	↑4.0
4/20 02:10	73.0	↑4.3
4/20 02:20	77.5	↑4.5
4/20 02:30	82.2	↑4.7
4/20 02:40	87.1	↑4.9
4/20 02:50	92.2	↑5.1
4/20 03:00	97.3	↑5.1
4/20 03:10	102.5	↑5.2
4/20 03:20	107.7	↑5.2
4/20 03:30	112.9	↑5.2
4/20 03:40	118.1	↑5.2
4/20 03:50	123.2	↑5.1
4/20 04:00	128.1	↑4.9
4/20 04:10	132.9	↑4.8
4/20 04:20	137.5	↑4.6
4/20 04:30	141.9	↑4.4
4/20 04:40	146.0	↑4.1
4/20 04:50	149.9	↑3.9
4/20 05:00	153.4	↑3.5
4/20 05:10	156.6	↑3.2
4/20 05:20	159.4	↑2.8
4/20 05:30	161.8	↑2.4
4/20 05:40	163.8	↑2.0
4/20 05:50	165.4	↑1.6
4/20 06:00	166.5	↑1.1
4/20 06:10	167.2	↑0.7
4/20 06:20	167.5	↑0.3	満潮
4/20 06:30	167.3	↓-0.2
4/20 06:40	166.6	↓-0.7
4/20 06:50	165.4	↓-1.2
4/20 07:00	163.8	↓-1.6
4/20 07:10	161.8	↓-2.0
4/20 07:20	159.3	↓-2.5
4/20 07:30	156.4	↓-2.9
4/20 07:40	153.0	↓-3.4
4/20 07:50	149.3	↓-3.7
4/20 08:00	145.2	↓-4.1
4/20 08:10	140.7	↓-4.5
4/20 08:20	136.0	↓-4.7
4/20 08:30	130.9	↓-5.1
4/20 08:40	125.6	↓-5.3
4/20 08:50	120.0	↓-5.6
4/20 09:00	114.3	↓-5.7
4/20 09:10	108.5	↓-5.8
4/20 09:20	102.5	↓-6.0
4/20 09:30	96.4	↓-6.1	最大潮位差
4/20 09:40	90.4	↓-6.0
4/20 09:50	84.3	↓-6.1	最大潮位差
4/20 10:00	78.4	↓-5.9
4/20 10:10	72.5	↓-5.9
4/20 10:20	66.8	↓-5.7
4/20 10:30	61.2	↓-5.6
4/20 10:40	55.9	↓-5.3
4/20 10:50	50.9	↓-5.0
4/20 11:00	46.1	↓-4.8
4/20 11:10	41.7	↓-4.4
4/20 11:20	37.7	↓-4.0
4/20 11:30	34.0	↓-3.7
4/20 11:40	30.8	↓-3.2
4/20 11:50	28.0	↓-2.8
4/20 12:00	25.7	↓-2.3
4/20 12:10	23.9	↓-1.8
4/20 12:20	22.6	↓-1.3
4/20 12:30	21.7	↓-0.9
4/20 12:40	21.4	↓-0.3	干潮
4/20 12:50	21.6	↑0.2
4/20 13:00	22.3	↑0.7
4/20 13:10	23.5	↑1.2
4/20 13:20	25.2	↑1.7
4/20 13:30	27.3	↑2.1
4/20 13:40	29.9	↑2.6
4/20 13:50	33.0	↑3.1
4/20 14:00	36.4	↑3.4
4/20 14:10	40.3	↑3.9
4/20 14:20	44.5	↑4.2
4/20 14:30	49.0	↑4.5
4/20 14:40	53.8	↑4.8
4/20 14:50	58.9	↑5.1
4/20 15:00	64.2	↑5.3
4/20 15:10	69.7	↑5.5
4/20 15:20	75.3	↑5.6
4/20 15:30	81.1	↑5.8
4/20 15:40	86.9	↑5.8
4/20 15:50	92.7	↑5.8
4/20 16:00	98.5	↑5.8
4/20 16:10	104.3	↑5.8
4/20 16:20	110.0	↑5.7
4/20 16:30	115.6	↑5.6
4/20 16:40	121.0	↑5.4
4/20 16:50	126.2	↑5.2
4/20 17:00	131.2	↑5.0
4/20 17:10	135.9	↑4.7
4/20 17:20	140.3	↑4.4
4/20 17:30	144.4	↑4.1
4/20 17:40	148.2	↑3.8
4/20 17:50	151.5	↑3.3
4/20 18:00	154.5	↑3.0
4/20 18:10	157.1	↑2.6
4/20 18:20	159.3	↑2.2
4/20 18:30	161.0	↑1.7
4/20 18:40	162.3	↑1.3
4/20 18:50	163.1	↑0.8
4/20 19:00	163.4	↑0.3	満潮
4/20 19:10	163.3	↓-0.1
4/20 19:20	162.7	↓-0.6
4/20 19:30	161.7	↓-1.0
4/20 19:40	160.2	↓-1.5
4/20 19:50	158.2	↓-2.0
4/20 20:00	155.9	↓-2.3
4/20 20:10	153.1	↓-2.8
4/20 20:20	150.0	↓-3.1
4/20 20:30	146.5	↓-3.5
4/20 20:40	142.6	↓-3.9
4/20 20:50	138.5	↓-4.1
4/20 21:00	134.1	↓-4.4
4/20 21:10	129.4	↓-4.7
4/20 21:20	124.6	↓-4.8
4/20 21:30	119.5	↓-5.1
4/20 21:40	114.4	↓-5.1
4/20 21:50	109.2	↓-5.2
4/20 22:00	103.9	↓-5.3
4/20 22:10	98.6	↓-5.3
4/20 22:20	93.4	↓-5.2
4/20 22:30	88.2	↓-5.2
4/20 22:40	83.2	↓-5.0
4/20 22:50	78.3	↓-4.9
4/20 23:00	73.7	↓-4.6
4/20 23:10	69.3	↓-4.4
4/20 23:20	65.2	↓-4.1
4/20 23:30	61.4	↓-3.8
4/20 23:40	57.9	↓-3.5
4/20 23:50	54.9	↓-3.0