20 (水)	08:00	01:44	20:05	14:05
	211cm	24cm	205cm	43cm
大潮 出 06:27 入 18:38 出 07:48 入 19:27

長山（沖縄）2028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	55.1	↓-6.1
9/20 00:10	49.5	↓-5.6
9/20 00:20	44.4	↓-5.1
9/20 00:30	39.7	↓-4.7
9/20 00:40	35.6	↓-4.1
9/20 00:50	32.0	↓-3.6
9/20 01:00	29.0	↓-3.0
9/20 01:10	26.6	↓-2.4
9/20 01:20	24.8	↓-1.8
9/20 01:30	23.7	↓-1.1
9/20 01:40	23.2	↓-0.5	干潮
9/20 01:50	23.3	↑0.1
9/20 02:00	24.1	↑0.8
9/20 02:10	25.5	↑1.4
9/20 02:20	27.6	↑2.1
9/20 02:30	30.3	↑2.7
9/20 02:40	33.6	↑3.3
9/20 02:50	37.5	↑3.9
9/20 03:00	41.9	↑4.4
9/20 03:10	46.9	↑5.0
9/20 03:20	52.3	↑5.4
9/20 03:30	58.2	↑5.9
9/20 03:40	64.5	↑6.3
9/20 03:50	71.2	↑6.7
9/20 04:00	78.2	↑7.0
9/20 04:10	85.5	↑7.3
9/20 04:20	93.0	↑7.5
9/20 04:30	100.6	↑7.6
9/20 04:40	108.4	↑7.8
9/20 04:50	116.2	↑7.8
9/20 05:00	124.1	↑7.9	最大潮位差
9/20 05:10	131.8	↑7.7
9/20 05:20	139.5	↑7.7
9/20 05:30	147.1	↑7.6
9/20 05:40	154.4	↑7.3
9/20 05:50	161.4	↑7.0
9/20 06:00	168.2	↑6.8
9/20 06:10	174.5	↑6.3
9/20 06:20	180.5	↑6.0
9/20 06:30	186.1	↑5.6
9/20 06:40	191.1	↑5.0
9/20 06:50	195.6	↑4.5
9/20 07:00	199.6	↑4.0
9/20 07:10	203.0	↑3.4
9/20 07:20	205.9	↑2.9
9/20 07:30	208.1	↑2.2
9/20 07:40	209.6	↑1.5
9/20 07:50	210.6	↑1.0	満潮
9/20 08:00	210.9	↑0.3	満潮
9/20 08:10	210.5	↓-0.4
9/20 08:20	209.5	↓-1.0
9/20 08:30	207.9	↓-1.6
9/20 08:40	205.7	↓-2.2
9/20 08:50	202.8	↓-2.9
9/20 09:00	199.4	↓-3.4
9/20 09:10	195.5	↓-3.9
9/20 09:20	191.0	↓-4.5
9/20 09:30	186.1	↓-4.9
9/20 09:40	180.7	↓-5.4
9/20 09:50	174.9	↓-5.8
9/20 10:00	168.8	↓-6.1
9/20 10:10	162.3	↓-6.5
9/20 10:20	155.6	↓-6.7
9/20 10:30	148.7	↓-6.9
9/20 10:40	141.6	↓-7.1
9/20 10:50	134.4	↓-7.2
9/20 11:00	127.1	↓-7.3
9/20 11:10	119.9	↓-7.2
9/20 11:20	112.7	↓-7.2
9/20 11:30	105.6	↓-7.1
9/20 11:40	98.6	↓-7.0
9/20 11:50	91.9	↓-6.7
9/20 12:00	85.5	↓-6.4
9/20 12:10	79.3	↓-6.2
9/20 12:20	73.5	↓-5.8
9/20 12:30	68.1	↓-5.4
9/20 12:40	63.1	↓-5.0
9/20 12:50	58.6	↓-4.5
9/20 13:00	54.6	↓-4.0
9/20 13:10	51.1	↓-3.5
9/20 13:20	48.2	↓-2.9
9/20 13:30	45.8	↓-2.4
9/20 13:40	44.0	↓-1.8
9/20 13:50	42.9	↓-1.1
9/20 14:00	42.4	↓-0.5	干潮
9/20 14:10	42.4	0
9/20 14:20	43.1	↑0.7
9/20 14:30	44.4	↑1.3
9/20 14:40	46.3	↑1.9
9/20 14:50	48.8	↑2.5
9/20 15:00	51.9	↑3.1
9/20 15:10	55.5	↑3.6
9/20 15:20	59.6	↑4.1
9/20 15:30	64.2	↑4.6
9/20 15:40	69.2	↑5.0
9/20 15:50	74.7	↑5.5
9/20 16:00	80.5	↑5.8
9/20 16:10	86.7	↑6.2
9/20 16:20	93.1	↑6.4
9/20 16:30	99.8	↑6.7
9/20 16:40	106.6	↑6.8
9/20 16:50	113.6	↑7.0
9/20 17:00	120.7	↑7.1
9/20 17:10	127.7	↑7.0
9/20 17:20	134.8	↑7.1
9/20 17:30	141.8	↑7.0
9/20 17:40	148.6	↑6.8
9/20 17:50	155.3	↑6.7
9/20 18:00	161.7	↑6.4
9/20 18:10	167.8	↑6.1
9/20 18:20	173.6	↑5.8
9/20 18:30	179.0	↑5.4
9/20 18:40	184.0	↑5.0
9/20 18:50	188.6	↑4.6
9/20 19:00	192.6	↑4.0
9/20 19:10	196.1	↑3.5
9/20 19:20	199.1	↑3.0
9/20 19:30	201.4	↑2.3
9/20 19:40	203.2	↑1.8
9/20 19:50	204.4	↑1.2
9/20 20:00	204.9	↑0.5	満潮
9/20 20:10	204.9	0
9/20 20:20	204.1	↓-0.8
9/20 20:30	202.8	↓-1.3
9/20 20:40	200.8	↓-2.0
9/20 20:50	198.2	↓-2.6
9/20 21:00	195.0	↓-3.2
9/20 21:10	191.3	↓-3.7
9/20 21:20	186.9	↓-4.4
9/20 21:30	182.1	↓-4.8
9/20 21:40	176.8	↓-5.3
9/20 21:50	171.0	↓-5.8
9/20 22:00	164.8	↓-6.2
9/20 22:10	158.2	↓-6.6
9/20 22:20	151.4	↓-6.8
9/20 22:30	144.2	↓-7.2
9/20 22:40	136.8	↓-7.4
9/20 22:50	129.2	↓-7.6
9/20 23:00	121.5	↓-7.7
9/20 23:10	113.7	↓-7.8
9/20 23:20	105.9	↓-7.8
9/20 23:30	98.2	↓-7.7
9/20 23:40	90.5	↓-7.7
9/20 23:50	82.9	↓-7.6