20 (金)	06:57	01:07	20:22	13:48
	194cm	96cm	172cm	26cm
大潮 出 05:51 入 19:31 出 06:00 入 19:42 潮干狩り ○ 12:25～15:10

長山（沖縄）2031年06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
6/20 00:00	103.3	↓-2.3
6/20 00:10	101.3	↓-2.0
6/20 00:20	99.5	↓-1.8
6/20 00:30	98.1	↓-1.4
6/20 00:40	97.0	↓-1.1
6/20 00:50	96.3	↓-0.7
6/20 01:00	95.9	↓-0.4	干潮
6/20 01:10	95.8	↓-0.1
6/20 01:20	96.1	↑0.3
6/20 01:30	96.8	↑0.7
6/20 01:40	97.8	↑1.0
6/20 01:50	99.2	↑1.4
6/20 02:00	101.0	↑1.8
6/20 02:10	103.0	↑2.0
6/20 02:20	105.4	↑2.4
6/20 02:30	108.1	↑2.7
6/20 02:40	111.1	↑3.0
6/20 02:50	114.3	↑3.2
6/20 03:00	117.8	↑3.5
6/20 03:10	121.5	↑3.7
6/20 03:20	125.4	↑3.9
6/20 03:30	129.5	↑4.1
6/20 03:40	133.7	↑4.2
6/20 03:50	138.0	↑4.3
6/20 04:00	142.3	↑4.3
6/20 04:10	146.7	↑4.4
6/20 04:20	151.1	↑4.4
6/20 04:30	155.4	↑4.3
6/20 04:40	159.7	↑4.3
6/20 04:50	163.9	↑4.2
6/20 05:00	167.9	↑4.0
6/20 05:10	171.7	↑3.8
6/20 05:20	175.4	↑3.7
6/20 05:30	178.7	↑3.3
6/20 05:40	181.8	↑3.1
6/20 05:50	184.6	↑2.8
6/20 06:00	187.1	↑2.5
6/20 06:10	189.2	↑2.1
6/20 06:20	190.9	↑1.7
6/20 06:30	192.2	↑1.3
6/20 06:40	193.1	↑0.9
6/20 06:50	193.6	↑0.5	満潮
6/20 07:00	193.6	0
6/20 07:10	193.2	↓-0.4
6/20 07:20	192.3	↓-0.9
6/20 07:30	191.0	↓-1.3
6/20 07:40	189.2	↓-1.8
6/20 07:50	187.0	↓-2.2
6/20 08:00	184.3	↓-2.7
6/20 08:10	181.2	↓-3.1
6/20 08:20	177.6	↓-3.6
6/20 08:30	173.7	↓-3.9
6/20 08:40	169.4	↓-4.3
6/20 08:50	164.7	↓-4.7
6/20 09:00	159.7	↓-5.0
6/20 09:10	154.4	↓-5.3
6/20 09:20	148.9	↓-5.5
6/20 09:30	143.1	↓-5.8
6/20 09:40	137.1	↓-6.0
6/20 09:50	130.9	↓-6.2
6/20 10:00	124.6	↓-6.3
6/20 10:10	118.2	↓-6.4
6/20 10:20	111.7	↓-6.5	最大潮位差
6/20 10:30	105.3	↓-6.4
6/20 10:40	98.8	↓-6.5	最大潮位差
6/20 10:50	92.5	↓-6.3
6/20 11:00	86.2	↓-6.3
6/20 11:10	80.0	↓-6.2
6/20 11:20	74.1	↓-5.9
6/20 11:30	68.3	↓-5.8
6/20 11:40	62.8	↓-5.5
6/20 11:50	57.6	↓-5.2
6/20 12:00	52.7	↓-4.9
6/20 12:10	48.1	↓-4.6
6/20 12:20	43.9	↓-4.2
6/20 12:30	40.1	↓-3.8
6/20 12:40	36.7	↓-3.4
6/20 12:50	33.8	↓-2.9
6/20 13:00	31.3	↓-2.5
6/20 13:10	29.2	↓-2.1
6/20 13:20	27.7	↓-1.5
6/20 13:30	26.6	↓-1.1
6/20 13:40	26.0	↓-0.6	干潮
6/20 13:50	25.9	↓-0.1
6/20 14:00	26.3	↑0.4
6/20 14:10	27.2	↑0.9
6/20 14:20	28.5	↑1.3
6/20 14:30	30.4	↑1.9
6/20 14:40	32.7	↑2.3
6/20 14:50	35.4	↑2.7
6/20 15:00	38.5	↑3.1
6/20 15:10	42.1	↑3.6
6/20 15:20	46.0	↑3.9
6/20 15:30	50.2	↑4.2
6/20 15:40	54.8	↑4.6
6/20 15:50	59.7	↑4.9
6/20 16:00	64.8	↑5.1
6/20 16:10	70.1	↑5.3
6/20 16:20	75.6	↑5.5
6/20 16:30	81.2	↑5.6
6/20 16:40	87.0	↑5.8
6/20 16:50	92.8	↑5.8
6/20 17:00	98.6	↑5.8
6/20 17:10	104.5	↑5.9
6/20 17:20	110.3	↑5.8
6/20 17:30	116.0	↑5.7
6/20 17:40	121.6	↑5.6
6/20 17:50	127.0	↑5.4
6/20 18:00	132.2	↑5.2
6/20 18:10	137.2	↑5.0
6/20 18:20	142.0	↑4.8
6/20 18:30	146.4	↑4.4
6/20 18:40	150.6	↑4.2
6/20 18:50	154.4	↑3.8
6/20 19:00	157.9	↑3.5
6/20 19:10	160.9	↑3.0
6/20 19:20	163.6	↑2.7
6/20 19:30	166.0	↑2.4
6/20 19:40	167.8	↑1.8
6/20 19:50	169.3	↑1.5
6/20 20:00	170.4	↑1.1
6/20 20:10	171.0	↑0.6
6/20 20:20	171.3	↑0.3	満潮
6/20 20:30	171.1	↓-0.2
6/20 20:40	170.5	↓-0.6
6/20 20:50	169.6	↓-0.9
6/20 21:00	168.3	↓-1.3
6/20 21:10	166.6	↓-1.7
6/20 21:20	164.6	↓-2.0
6/20 21:30	162.3	↓-2.3
6/20 21:40	159.7	↓-2.6
6/20 21:50	156.9	↓-2.8
6/20 22:00	153.9	↓-3.0
6/20 22:10	150.6	↓-3.3
6/20 22:20	147.2	↓-3.4
6/20 22:30	143.7	↓-3.5
6/20 22:40	140.1	↓-3.6
6/20 22:50	136.4	↓-3.7
6/20 23:00	132.7	↓-3.7
6/20 23:10	129.0	↓-3.7
6/20 23:20	125.4	↓-3.6
6/20 23:30	121.8	↓-3.6
6/20 23:40	118.4	↓-3.4
6/20 23:50	115.1	↓-3.3