20 (木)	06:39	00:37	19:21	13:08
	209cm	62cm	193cm	22cm
大潮 出 06:27 入 18:38 出 18:37 入 05:36 潮干狩り ○ 11:44～14:31

長山（沖縄）2040年09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
9/20 00:00	64.3	↓-2.0
9/20 00:10	62.7	↓-1.6
9/20 00:20	61.7	↓-1.0
9/20 00:30	61.1	↓-0.6	干潮
9/20 00:40	61.1	0
9/20 00:50	61.6	↑0.5
9/20 01:00	62.6	↑1.0
9/20 01:10	64.1	↑1.5
9/20 01:20	66.2	↑2.1
9/20 01:30	68.7	↑2.5
9/20 01:40	71.7	↑3.0
9/20 01:50	75.2	↑3.5
9/20 02:00	79.1	↑3.9
9/20 02:10	83.4	↑4.3
9/20 02:20	88.1	↑4.7
9/20 02:30	93.2	↑5.1
9/20 02:40	98.6	↑5.4
9/20 02:50	104.2	↑5.6
9/20 03:00	110.1	↑5.9
9/20 03:10	116.2	↑6.1
9/20 03:20	122.4	↑6.2
9/20 03:30	128.8	↑6.4
9/20 03:40	135.2	↑6.4
9/20 03:50	141.6	↑6.4
9/20 04:00	147.9	↑6.3
9/20 04:10	154.2	↑6.3
9/20 04:20	160.4	↑6.2
9/20 04:30	166.3	↑5.9
9/20 04:40	172.0	↑5.7
9/20 04:50	177.5	↑5.5
9/20 05:00	182.7	↑5.2
9/20 05:10	187.4	↑4.7
9/20 05:20	191.8	↑4.4
9/20 05:30	195.8	↑4.0
9/20 05:40	199.3	↑3.5
9/20 05:50	202.2	↑2.9
9/20 06:00	204.7	↑2.5
9/20 06:10	206.6	↑1.9
9/20 06:20	208.0	↑1.4
9/20 06:30	208.8	↑0.8	満潮
9/20 06:40	209.0	↑0.2
9/20 06:50	208.6	↓-0.4
9/20 07:00	207.6	↓-1.0
9/20 07:10	206.0	↓-1.6
9/20 07:20	203.8	↓-2.2
9/20 07:30	201.0	↓-2.8
9/20 07:40	197.7	↓-3.3
9/20 07:50	193.9	↓-3.8
9/20 08:00	189.5	↓-4.4
9/20 08:10	184.7	↓-4.8
9/20 08:20	179.4	↓-5.3
9/20 08:30	173.6	↓-5.8
9/20 08:40	167.5	↓-6.1
9/20 08:50	161.0	↓-6.5
9/20 09:00	154.3	↓-6.7
9/20 09:10	147.3	↓-7.0
9/20 09:20	140.0	↓-7.3
9/20 09:30	132.6	↓-7.4
9/20 09:40	125.1	↓-7.5
9/20 09:50	117.5	↓-7.6	最大潮位差
9/20 10:00	109.9	↓-7.6	最大潮位差
9/20 10:10	102.3	↓-7.6	最大潮位差
9/20 10:20	94.9	↓-7.4
9/20 10:30	87.5	↓-7.4
9/20 10:40	80.3	↓-7.2
9/20 10:50	73.4	↓-6.9
9/20 11:00	66.8	↓-6.6
9/20 11:10	60.4	↓-6.4
9/20 11:20	54.4	↓-6.0
9/20 11:30	48.9	↓-5.5
9/20 11:40	43.7	↓-5.2
9/20 11:50	39.1	↓-4.6
9/20 12:00	34.9	↓-4.2
9/20 12:10	31.2	↓-3.7
9/20 12:20	28.2	↓-3.0
9/20 12:30	25.6	↓-2.6
9/20 12:40	23.7	↓-1.9
9/20 12:50	22.4	↓-1.3
9/20 13:00	21.7	↓-0.7	干潮
9/20 13:10	21.6	↓-0.1
9/20 13:20	22.1	↑0.5
9/20 13:30	23.2	↑1.1
9/20 13:40	24.9	↑1.7
9/20 13:50	27.2	↑2.3
9/20 14:00	30.1	↑2.9
9/20 14:10	33.5	↑3.4
9/20 14:20	37.4	↑3.9
9/20 14:30	41.8	↑4.4
9/20 14:40	46.7	↑4.9
9/20 14:50	52.1	↑5.4
9/20 15:00	57.8	↑5.7
9/20 15:10	63.9	↑6.1
9/20 15:20	70.3	↑6.4
9/20 15:30	76.9	↑6.6
9/20 15:40	83.8	↑6.9
9/20 15:50	90.8	↑7.0
9/20 16:00	97.9	↑7.1
9/20 16:10	105.1	↑7.2
9/20 16:20	112.3	↑7.2
9/20 16:30	119.5	↑7.2
9/20 16:40	126.6	↑7.1
9/20 16:50	133.5	↑6.9
9/20 17:00	140.3	↑6.8
9/20 17:10	146.8	↑6.5
9/20 17:20	153.0	↑6.2
9/20 17:30	158.9	↑5.9
9/20 17:40	164.4	↑5.5
9/20 17:50	169.6	↑5.2
9/20 18:00	174.2	↑4.6
9/20 18:10	178.4	↑4.2
9/20 18:20	182.1	↑3.7
9/20 18:30	185.3	↑3.2
9/20 18:40	187.9	↑2.6
9/20 18:50	189.9	↑2.0
9/20 19:00	191.4	↑1.5
9/20 19:10	192.2	↑0.8
9/20 19:20	192.5	↑0.3	満潮
9/20 19:30	192.2	↓-0.3
9/20 19:40	191.3	↓-0.9
9/20 19:50	189.8	↓-1.5
9/20 20:00	187.8	↓-2.0
9/20 20:10	185.2	↓-2.6
9/20 20:20	182.1	↓-3.1
9/20 20:30	178.5	↓-3.6
9/20 20:40	174.4	↓-4.1
9/20 20:50	169.9	↓-4.5
9/20 21:00	165.1	↓-4.8
9/20 21:10	159.8	↓-5.3
9/20 21:20	154.3	↓-5.5
9/20 21:30	148.4	↓-5.9
9/20 21:40	142.4	↓-6.0
9/20 21:50	136.2	↓-6.2
9/20 22:00	129.8	↓-6.4
9/20 22:10	123.4	↓-6.4
9/20 22:20	116.9	↓-6.5
9/20 22:30	110.5	↓-6.4
9/20 22:40	104.1	↓-6.4
9/20 22:50	97.9	↓-6.2
9/20 23:00	91.8	↓-6.1
9/20 23:10	86.0	↓-5.8
9/20 23:20	80.4	↓-5.6
9/20 23:30	75.1	↓-5.3
9/20 23:40	70.1	↓-5.0
9/20 23:50	65.5	↓-4.6