20 (月)	08:19	02:04	20:18	14:12
	172cm	-6cm	189cm	25cm
大潮 出 07:10 入 18:37 出 07:50 入 20:00 潮干狩り ○ 12:51～15:31

長山（沖縄）2034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	38.0	↓-6.8
2/20 00:10	31.5	↓-6.5
2/20 00:20	25.5	↓-6.0
2/20 00:30	19.8	↓-5.7
2/20 00:40	14.7	↓-5.1
2/20 00:50	10.0	↓-4.7
2/20 01:00	5.9	↓-4.1
2/20 01:10	2.3	↓-3.6
2/20 01:20	-0.7	↓-3.0
2/20 01:30	-3.1	↓-2.4
2/20 01:40	-4.8	↓-1.7
2/20 01:50	-5.9	↓-1.1
2/20 02:00	-6.4	↓-0.5	干潮
2/20 02:10	-6.3	↑0.1
2/20 02:20	-5.5	↑0.8
2/20 02:30	-4.1	↑1.4
2/20 02:40	-2.1	↑2.0
2/20 02:50	0.5	↑2.6
2/20 03:00	3.7	↑3.2
2/20 03:10	7.5	↑3.8
2/20 03:20	11.8	↑4.3
2/20 03:30	16.6	↑4.8
2/20 03:40	21.8	↑5.2
2/20 03:50	27.5	↑5.7
2/20 04:00	33.6	↑6.1
2/20 04:10	40.0	↑6.4
2/20 04:20	46.7	↑6.7
2/20 04:30	53.6	↑6.9
2/20 04:40	60.8	↑7.2
2/20 04:50	68.1	↑7.3
2/20 05:00	75.5	↑7.4
2/20 05:10	82.9	↑7.4
2/20 05:20	90.4	↑7.5
2/20 05:30	97.8	↑7.4
2/20 05:40	105.0	↑7.2
2/20 05:50	112.1	↑7.1
2/20 06:00	119.0	↑6.9
2/20 06:10	125.7	↑6.7
2/20 06:20	132.0	↑6.3
2/20 06:30	138.0	↑6.0
2/20 06:40	143.6	↑5.6
2/20 06:50	148.7	↑5.1
2/20 07:00	153.4	↑4.7
2/20 07:10	157.6	↑4.2
2/20 07:20	161.3	↑3.7
2/20 07:30	164.4	↑3.1
2/20 07:40	167.0	↑2.6
2/20 07:50	169.0	↑2.0
2/20 08:00	170.4	↑1.4
2/20 08:10	171.2	↑0.8	満潮
2/20 08:20	171.4	↑0.2
2/20 08:30	171.0	↓-0.4
2/20 08:40	170.0	↓-1.0
2/20 08:50	168.4	↓-1.6
2/20 09:00	166.2	↓-2.2
2/20 09:10	163.6	↓-2.6
2/20 09:20	160.3	↓-3.3
2/20 09:30	156.6	↓-3.7
2/20 09:40	152.5	↓-4.1
2/20 09:50	147.8	↓-4.7
2/20 10:00	142.8	↓-5.0
2/20 10:10	137.5	↓-5.3
2/20 10:20	131.8	↓-5.7
2/20 10:30	125.9	↓-5.9
2/20 10:40	119.7	↓-6.2
2/20 10:50	113.4	↓-6.3
2/20 11:00	107.0	↓-6.4
2/20 11:10	100.5	↓-6.5
2/20 11:20	93.9	↓-6.6
2/20 11:30	87.4	↓-6.5
2/20 11:40	81.0	↓-6.4
2/20 11:50	74.7	↓-6.3
2/20 12:00	68.6	↓-6.1
2/20 12:10	62.8	↓-5.8
2/20 12:20	57.2	↓-5.6
2/20 12:30	51.9	↓-5.3
2/20 12:40	47.0	↓-4.9
2/20 12:50	42.4	↓-4.6
2/20 13:00	38.3	↓-4.1
2/20 13:10	34.7	↓-3.6
2/20 13:20	31.6	↓-3.1
2/20 13:30	29.0	↓-2.6
2/20 13:40	26.9	↓-2.1
2/20 13:50	25.4	↓-1.5
2/20 14:00	24.5	↓-0.9
2/20 14:10	24.2	↓-0.3	干潮
2/20 14:20	24.4	↑0.2
2/20 14:30	25.2	↑0.8
2/20 14:40	26.6	↑1.4
2/20 14:50	28.6	↑2.0
2/20 15:00	31.2	↑2.6
2/20 15:10	34.3	↑3.1
2/20 15:20	37.9	↑3.6
2/20 15:30	42.0	↑4.1
2/20 15:40	46.6	↑4.6
2/20 15:50	51.6	↑5.0
2/20 16:00	57.0	↑5.4
2/20 16:10	62.8	↑5.8
2/20 16:20	68.9	↑6.1
2/20 16:30	75.3	↑6.4
2/20 16:40	81.9	↑6.6
2/20 16:50	88.7	↑6.8
2/20 17:00	95.6	↑6.9
2/20 17:10	102.6	↑7.0
2/20 17:20	109.7	↑7.1
2/20 17:30	116.7	↑7.0
2/20 17:40	123.6	↑6.9
2/20 17:50	130.5	↑6.9
2/20 18:00	137.1	↑6.6
2/20 18:10	143.5	↑6.4
2/20 18:20	149.7	↑6.2
2/20 18:30	155.5	↑5.8
2/20 18:40	161.0	↑5.5
2/20 18:50	166.0	↑5.0
2/20 19:00	170.7	↑4.7
2/20 19:10	174.8	↑4.1
2/20 19:20	178.4	↑3.6
2/20 19:30	181.5	↑3.1
2/20 19:40	184.0	↑2.5
2/20 19:50	186.0	↑2.0
2/20 20:00	187.3	↑1.3
2/20 20:10	188.0	↑0.7	満潮
2/20 20:20	188.1	↑0.1
2/20 20:30	187.6	↓-0.5
2/20 20:40	186.5	↓-1.1
2/20 20:50	184.7	↓-1.8
2/20 21:00	182.3	↓-2.4
2/20 21:10	179.3	↓-3.0
2/20 21:20	175.8	↓-3.5
2/20 21:30	171.7	↓-4.1
2/20 21:40	167.0	↓-4.7
2/20 21:50	161.9	↓-5.1
2/20 22:00	156.3	↓-5.6
2/20 22:10	150.2	↓-6.1
2/20 22:20	143.8	↓-6.4
2/20 22:30	137.1	↓-6.7
2/20 22:40	130.0	↓-7.1
2/20 22:50	122.7	↓-7.3
2/20 23:00	115.2	↓-7.5
2/20 23:10	107.5	↓-7.7
2/20 23:20	99.7	↓-7.8	最大潮位差
2/20 23:30	91.9	↓-7.8	最大潮位差
2/20 23:40	84.1	↓-7.8	最大潮位差
2/20 23:50	76.4	↓-7.7