20 (日)	09:38	03:25	21:44	15:37
	163cm	10cm	169cm	30cm
中潮 出 07:10 入 18:37 出 22:00 入 09:24 潮干狩り ○ 14:26～16:47

長山（沖縄）2022年02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
2/20 00:00	101.9	↓-6.8
2/20 00:10	95.0	↓-6.9	最大潮位差
2/20 00:20	88.2	↓-6.8
2/20 00:30	81.3	↓-6.9	最大潮位差
2/20 00:40	74.6	↓-6.7
2/20 00:50	67.9	↓-6.7
2/20 01:00	61.5	↓-6.4
2/20 01:10	55.2	↓-6.3
2/20 01:20	49.2	↓-6.0
2/20 01:30	43.5	↓-5.7
2/20 01:40	38.2	↓-5.3
2/20 01:50	33.2	↓-5.0
2/20 02:00	28.6	↓-4.6
2/20 02:10	24.4	↓-4.2
2/20 02:20	20.7	↓-3.7
2/20 02:30	17.5	↓-3.2
2/20 02:40	14.8	↓-2.7
2/20 02:50	12.7	↓-2.1
2/20 03:00	11.1	↓-1.6
2/20 03:10	10.0	↓-1.1
2/20 03:20	9.5	↓-0.5	干潮
2/20 03:30	9.6	↑0.1
2/20 03:40	10.2	↑0.6
2/20 03:50	11.4	↑1.2
2/20 04:00	13.1	↑1.7
2/20 04:10	15.3	↑2.2
2/20 04:20	18.1	↑2.8
2/20 04:30	21.3	↑3.2
2/20 04:40	25.1	↑3.8
2/20 04:50	29.2	↑4.1
2/20 05:00	33.8	↑4.6
2/20 05:10	38.7	↑4.9
2/20 05:20	44.0	↑5.3
2/20 05:30	49.5	↑5.5
2/20 05:40	55.4	↑5.9
2/20 05:50	61.4	↑6.0
2/20 06:00	67.6	↑6.2
2/20 06:10	73.9	↑6.3
2/20 06:20	80.4	↑6.5
2/20 06:30	86.8	↑6.4
2/20 06:40	93.2	↑6.4
2/20 06:50	99.6	↑6.4
2/20 07:00	105.9	↑6.3
2/20 07:10	112.0	↑6.1
2/20 07:20	117.9	↑5.9
2/20 07:30	123.6	↑5.7
2/20 07:40	129.1	↑5.5
2/20 07:50	134.2	↑5.1
2/20 08:00	139.0	↑4.8
2/20 08:10	143.4	↑4.4
2/20 08:20	147.4	↑4.0
2/20 08:30	151.0	↑3.6
2/20 08:40	154.1	↑3.1
2/20 08:50	156.8	↑2.7
2/20 09:00	158.9	↑2.1
2/20 09:10	160.6	↑1.7
2/20 09:20	161.7	↑1.1
2/20 09:30	162.4	↑0.7	満潮
2/20 09:40	162.5	↑0.1
2/20 09:50	162.1	↓-0.4
2/20 10:00	161.1	↓-1.0
2/20 10:10	159.7	↓-1.4
2/20 10:20	157.8	↓-1.9
2/20 10:30	155.4	↓-2.4
2/20 10:40	152.6	↓-2.8
2/20 10:50	149.3	↓-3.3
2/20 11:00	145.7	↓-3.6
2/20 11:10	141.6	↓-4.1
2/20 11:20	137.2	↓-4.4
2/20 11:30	132.5	↓-4.7
2/20 11:40	127.5	↓-5.0
2/20 11:50	122.3	↓-5.2
2/20 12:00	116.9	↓-5.4
2/20 12:10	111.3	↓-5.6
2/20 12:20	105.6	↓-5.7
2/20 12:30	99.9	↓-5.7
2/20 12:40	94.1	↓-5.8
2/20 12:50	88.3	↓-5.8
2/20 13:00	82.6	↓-5.7
2/20 13:10	77.0	↓-5.6
2/20 13:20	71.5	↓-5.5
2/20 13:30	66.2	↓-5.3
2/20 13:40	61.2	↓-5.0
2/20 13:50	56.4	↓-4.8
2/20 14:00	51.9	↓-4.5
2/20 14:10	47.7	↓-4.2
2/20 14:20	44.0	↓-3.7
2/20 14:30	40.6	↓-3.4
2/20 14:40	37.6	↓-3.0
2/20 14:50	35.1	↓-2.5
2/20 15:00	33.1	↓-2.0
2/20 15:10	31.5	↓-1.6
2/20 15:20	30.5	↓-1.0
2/20 15:30	29.9	↓-0.6	干潮
2/20 15:40	29.8	↓-0.1
2/20 15:50	30.3	↑0.5
2/20 16:00	31.3	↑1.0
2/20 16:10	32.7	↑1.4
2/20 16:20	34.7	↑2.0
2/20 16:30	37.1	↑2.4
2/20 16:40	40.0	↑2.9
2/20 16:50	43.3	↑3.3
2/20 17:00	47.1	↑3.8
2/20 17:10	51.2	↑4.1
2/20 17:20	55.7	↑4.5
2/20 17:30	60.5	↑4.8
2/20 17:40	65.6	↑5.1
2/20 17:50	70.9	↑5.3
2/20 18:00	76.4	↑5.5
2/20 18:10	82.1	↑5.7
2/20 18:20	88.0	↑5.9
2/20 18:30	93.9	↑5.9
2/20 18:40	99.8	↑5.9
2/20 18:50	105.7	↑5.9
2/20 19:00	111.6	↑5.9
2/20 19:10	117.4	↑5.8
2/20 19:20	123.1	↑5.7
2/20 19:30	128.6	↑5.5
2/20 19:40	133.9	↑5.3
2/20 19:50	138.9	↑5.0
2/20 20:00	143.6	↑4.7
2/20 20:10	148.0	↑4.4
2/20 20:20	152.1	↑4.1
2/20 20:30	155.8	↑3.7
2/20 20:40	159.0	↑3.2
2/20 20:50	161.9	↑2.9
2/20 21:00	164.2	↑2.3
2/20 21:10	166.1	↑1.9
2/20 21:20	167.5	↑1.4
2/20 21:30	168.5	↑1.0
2/20 21:40	168.9	↑0.4	満潮
2/20 21:50	168.8	↓-0.1
2/20 22:00	168.2	↓-0.6
2/20 22:10	167.1	↓-1.1
2/20 22:20	165.5	↓-1.6
2/20 22:30	163.5	↓-2.0
2/20 22:40	160.9	↓-2.6
2/20 22:50	157.9	↓-3.0
2/20 23:00	154.5	↓-3.4
2/20 23:10	150.7	↓-3.8
2/20 23:20	146.4	↓-4.3
2/20 23:30	141.9	↓-4.5
2/20 23:40	137.0	↓-4.9
2/20 23:50	131.8	↓-5.2