20 (土)	08:42	02:30	20:48	14:43
	167cm	12cm	171cm	26cm
中潮 出 07:09 入 18:37 出 20:50 入 08:09 潮干狩り ○ 13:23～16:01

長山（沖縄）2049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	66.1	↓-6.5
2/20 00:10	59.8	↓-6.3
2/20 00:20	53.7	↓-6.1
2/20 00:30	47.9	↓-5.8
2/20 00:40	42.4	↓-5.5
2/20 00:50	37.2	↓-5.2
2/20 01:00	32.5	↓-4.7
2/20 01:10	28.1	↓-4.4
2/20 01:20	24.2	↓-3.9
2/20 01:30	20.8	↓-3.4
2/20 01:40	17.8	↓-3.0
2/20 01:50	15.4	↓-2.4
2/20 02:00	13.5	↓-1.9
2/20 02:10	12.2	↓-1.3
2/20 02:20	11.4	↓-0.8	干潮
2/20 02:30	11.2	↓-0.2	干潮
2/20 02:40	11.6	↑0.4
2/20 02:50	12.5	↑0.9
2/20 03:00	13.9	↑1.4
2/20 03:10	15.9	↑2.0
2/20 03:20	18.5	↑2.6
2/20 03:30	21.5	↑3.0
2/20 03:40	25.0	↑3.5
2/20 03:50	29.0	↑4.0
2/20 04:00	33.4	↑4.4
2/20 04:10	38.2	↑4.8
2/20 04:20	43.4	↑5.2
2/20 04:30	48.9	↑5.5
2/20 04:40	54.6	↑5.7
2/20 04:50	60.7	↑6.1
2/20 05:00	66.9	↑6.2
2/20 05:10	73.3	↑6.4
2/20 05:20	79.8	↑6.5
2/20 05:30	86.3	↑6.5
2/20 05:40	92.9	↑6.6	最大潮位差
2/20 05:50	99.4	↑6.5
2/20 06:00	105.9	↑6.5
2/20 06:10	112.2	↑6.3
2/20 06:20	118.4	↑6.2
2/20 06:30	124.3	↑5.9
2/20 06:40	130.0	↑5.7
2/20 06:50	135.4	↑5.4
2/20 07:00	140.5	↑5.1
2/20 07:10	145.2	↑4.7
2/20 07:20	149.5	↑4.3
2/20 07:30	153.4	↑3.9
2/20 07:40	156.8	↑3.4
2/20 07:50	159.7	↑2.9
2/20 08:00	162.2	↑2.5
2/20 08:10	164.1	↑1.9
2/20 08:20	165.5	↑1.4
2/20 08:30	166.3	↑0.8
2/20 08:40	166.6	↑0.3	満潮
2/20 08:50	166.4	↓-0.2
2/20 09:00	165.7	↓-0.7
2/20 09:10	164.4	↓-1.3
2/20 09:20	162.6	↓-1.8
2/20 09:30	160.2	↓-2.4
2/20 09:40	157.4	↓-2.8
2/20 09:50	154.2	↓-3.2
2/20 10:00	150.5	↓-3.7
2/20 10:10	146.4	↓-4.1
2/20 10:20	141.9	↓-4.5
2/20 10:30	137.0	↓-4.9
2/20 10:40	131.9	↓-5.1
2/20 10:50	126.5	↓-5.4
2/20 11:00	120.9	↓-5.6
2/20 11:10	115.1	↓-5.8
2/20 11:20	109.1	↓-6.0
2/20 11:30	103.0	↓-6.1
2/20 11:40	96.9	↓-6.1
2/20 11:50	90.8	↓-6.1
2/20 12:00	84.8	↓-6.0
2/20 12:10	78.8	↓-6.0
2/20 12:20	72.9	↓-5.9
2/20 12:30	67.3	↓-5.6
2/20 12:40	61.8	↓-5.5
2/20 12:50	56.6	↓-5.2
2/20 13:00	51.7	↓-4.9
2/20 13:10	47.2	↓-4.5
2/20 13:20	43.0	↓-4.2
2/20 13:30	39.2	↓-3.8
2/20 13:40	35.9	↓-3.3
2/20 13:50	33.0	↓-2.9
2/20 14:00	30.5	↓-2.5
2/20 14:10	28.6	↓-1.9
2/20 14:20	27.2	↓-1.4
2/20 14:30	26.3	↓-0.9
2/20 14:40	26.0	↓-0.3	干潮
2/20 14:50	26.2	↑0.2
2/20 15:00	26.9	↑0.7
2/20 15:10	28.1	↑1.2
2/20 15:20	29.9	↑1.8
2/20 15:30	32.1	↑2.2
2/20 15:40	34.9	↑2.8
2/20 15:50	38.1	↑3.2
2/20 16:00	41.7	↑3.6
2/20 16:10	45.8	↑4.1
2/20 16:20	50.3	↑4.5
2/20 16:30	55.1	↑4.8
2/20 16:40	60.3	↑5.2
2/20 16:50	65.7	↑5.4
2/20 17:00	71.4	↑5.7
2/20 17:10	77.2	↑5.8
2/20 17:20	83.3	↑6.1
2/20 17:30	89.4	↑6.1
2/20 17:40	95.6	↑6.2
2/20 17:50	101.8	↑6.2
2/20 18:00	108.0	↑6.2
2/20 18:10	114.2	↑6.2
2/20 18:20	120.2	↑6.0
2/20 18:30	126.0	↑5.8
2/20 18:40	131.7	↑5.7
2/20 18:50	137.1	↑5.4
2/20 19:00	142.2	↑5.1
2/20 19:10	147.0	↑4.8
2/20 19:20	151.5	↑4.5
2/20 19:30	155.5	↑4.0
2/20 19:40	159.1	↑3.6
2/20 19:50	162.3	↑3.2
2/20 20:00	165.0	↑2.7
2/20 20:10	167.2	↑2.2
2/20 20:20	168.9	↑1.7
2/20 20:30	170.1	↑1.2
2/20 20:40	170.8	↑0.7	満潮
2/20 20:50	170.9	↑0.1
2/20 21:00	170.5	↓-0.4
2/20 21:10	169.6	↓-0.9
2/20 21:20	168.1	↓-1.5
2/20 21:30	166.1	↓-2.0
2/20 21:40	163.6	↓-2.5
2/20 21:50	160.6	↓-3.0
2/20 22:00	157.1	↓-3.5
2/20 22:10	153.2	↓-3.9
2/20 22:20	148.9	↓-4.3
2/20 22:30	144.2	↓-4.7
2/20 22:40	139.2	↓-5.0
2/20 22:50	133.8	↓-5.4
2/20 23:00	128.2	↓-5.6
2/20 23:10	122.3	↓-5.9
2/20 23:20	116.2	↓-6.1
2/20 23:30	109.9	↓-6.3
2/20 23:40	103.6	↓-6.3
2/20 23:50	97.2	↓-6.4