20 (土)	08:08	01:46	19:50	13:49
	167cm	-14cm	192cm	38cm
大潮 出 07:09 入 18:37 出 19:21 入 07:35 潮干狩り ○ 13:09～14:28

長山（沖縄）2038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	18.3	↓-6.1
2/20 00:10	12.6	↓-5.7
2/20 00:20	7.4	↓-5.2
2/20 00:30	2.6	↓-4.8
2/20 00:40	-1.6	↓-4.2
2/20 00:50	-5.2	↓-3.6
2/20 01:00	-8.3	↓-3.1
2/20 01:10	-10.8	↓-2.5
2/20 01:20	-12.7	↓-1.9
2/20 01:30	-13.9	↓-1.2
2/20 01:40	-14.5	↓-0.6	干潮
2/20 01:50	-14.5	0
2/20 02:00	-13.9	↑0.6
2/20 02:10	-12.6	↑1.3
2/20 02:20	-10.7	↑1.9
2/20 02:30	-8.2	↑2.5
2/20 02:40	-5.2	↑3.0
2/20 02:50	-1.6	↑3.6
2/20 03:00	2.6	↑4.2
2/20 03:10	7.2	↑4.6
2/20 03:20	12.3	↑5.1
2/20 03:30	17.9	↑5.6
2/20 03:40	23.8	↑5.9
2/20 03:50	30.1	↑6.3
2/20 04:00	36.8	↑6.7
2/20 04:10	43.6	↑6.8
2/20 04:20	50.7	↑7.1
2/20 04:30	58.0	↑7.3
2/20 04:40	65.3	↑7.3
2/20 04:50	72.8	↑7.5
2/20 05:00	80.2	↑7.4
2/20 05:10	87.7	↑7.5
2/20 05:20	95.0	↑7.3
2/20 05:30	102.2	↑7.2
2/20 05:40	109.2	↑7.0
2/20 05:50	116.0	↑6.8
2/20 06:00	122.5	↑6.5
2/20 06:10	128.6	↑6.1
2/20 06:20	134.5	↑5.9
2/20 06:30	139.9	↑5.4
2/20 06:40	144.9	↑5.0
2/20 06:50	149.4	↑4.5
2/20 07:00	153.4	↑4.0
2/20 07:10	156.9	↑3.5
2/20 07:20	159.9	↑3.0
2/20 07:30	162.3	↑2.4
2/20 07:40	164.1	↑1.8
2/20 07:50	165.4	↑1.3
2/20 08:00	166.1	↑0.7	満潮
2/20 08:10	166.2	↑0.1
2/20 08:20	165.8	↓-0.4
2/20 08:30	164.8	↓-1.0
2/20 08:40	163.2	↓-1.6
2/20 08:50	161.1	↓-2.1
2/20 09:00	158.5	↓-2.6
2/20 09:10	155.5	↓-3.0
2/20 09:20	151.9	↓-3.6
2/20 09:30	148.0	↓-3.9
2/20 09:40	143.7	↓-4.3
2/20 09:50	139.0	↓-4.7
2/20 10:00	134.0	↓-5.0
2/20 10:10	128.7	↓-5.3
2/20 10:20	123.3	↓-5.4
2/20 10:30	117.6	↓-5.7
2/20 10:40	111.8	↓-5.8
2/20 10:50	106.0	↓-5.8
2/20 11:00	100.1	↓-5.9
2/20 11:10	94.2	↓-5.9
2/20 11:20	88.5	↓-5.7
2/20 11:30	82.8	↓-5.7
2/20 11:40	77.3	↓-5.5
2/20 11:50	71.9	↓-5.4
2/20 12:00	66.9	↓-5.0
2/20 12:10	62.1	↓-4.8
2/20 12:20	57.7	↓-4.4
2/20 12:30	53.6	↓-4.1
2/20 12:40	50.0	↓-3.6
2/20 12:50	46.7	↓-3.3
2/20 13:00	44.0	↓-2.7
2/20 13:10	41.7	↓-2.3
2/20 13:20	39.9	↓-1.8
2/20 13:30	38.7	↓-1.2
2/20 13:40	38.0	↓-0.7	干潮
2/20 13:50	37.8	↓-0.2
2/20 14:00	38.2	↑0.4
2/20 14:10	39.1	↑0.9
2/20 14:20	40.6	↑1.5
2/20 14:30	42.6	↑2.0
2/20 14:40	45.2	↑2.6
2/20 14:50	48.3	↑3.1
2/20 15:00	51.8	↑3.5
2/20 15:10	55.8	↑4.0
2/20 15:20	60.3	↑4.5
2/20 15:30	65.1	↑4.8
2/20 15:40	70.4	↑5.3
2/20 15:50	75.9	↑5.5
2/20 16:00	81.8	↑5.9
2/20 16:10	87.9	↑6.1
2/20 16:20	94.2	↑6.3
2/20 16:30	100.7	↑6.5
2/20 16:40	107.3	↑6.6
2/20 16:50	114.0	↑6.7
2/20 17:00	120.7	↑6.7
2/20 17:10	127.3	↑6.6
2/20 17:20	133.9	↑6.6
2/20 17:30	140.3	↑6.4
2/20 17:40	146.5	↑6.2
2/20 17:50	152.5	↑6.0
2/20 18:00	158.2	↑5.7
2/20 18:10	163.6	↑5.4
2/20 18:20	168.7	↑5.1
2/20 18:30	173.3	↑4.6
2/20 18:40	177.4	↑4.1
2/20 18:50	181.1	↑3.7
2/20 19:00	184.3	↑3.2
2/20 19:10	186.9	↑2.6
2/20 19:20	189.0	↑2.1
2/20 19:30	190.4	↑1.4
2/20 19:40	191.3	↑0.9	満潮
2/20 19:50	191.6	↑0.3	満潮
2/20 20:00	191.2	↓-0.4
2/20 20:10	190.2	↓-1.0
2/20 20:20	188.6	↓-1.6
2/20 20:30	186.4	↓-2.2
2/20 20:40	183.5	↓-2.9
2/20 20:50	180.1	↓-3.4
2/20 21:00	176.1	↓-4.0
2/20 21:10	171.5	↓-4.6
2/20 21:20	166.4	↓-5.1
2/20 21:30	160.8	↓-5.6
2/20 21:40	154.8	↓-6.0
2/20 21:50	148.3	↓-6.5
2/20 22:00	141.5	↓-6.8
2/20 22:10	134.3	↓-7.2
2/20 22:20	126.8	↓-7.5
2/20 22:30	119.1	↓-7.7
2/20 22:40	111.2	↓-7.9
2/20 22:50	103.1	↓-8.1
2/20 23:00	95.0	↓-8.1
2/20 23:10	86.8	↓-8.2	最大潮位差
2/20 23:20	78.6	↓-8.2	最大潮位差
2/20 23:30	70.5	↓-8.1
2/20 23:40	62.5	↓-8.0
2/20 23:50	54.7	↓-7.8