20 (土)	09:05	02:49	20:57	14:59
	205cm	38cm	214cm	66cm
中潮 出 06:18 入 18:30 出 09:18 入 20:36

那覇（沖縄）2031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	109.2	↓-7.2	最大潮位差
9/20 00:10	102.1	↓-7.1
9/20 00:20	95.2	↓-6.9
9/20 00:30	88.4	↓-6.8
9/20 00:40	82.0	↓-6.4
9/20 00:50	75.8	↓-6.2
9/20 01:00	69.9	↓-5.9
9/20 01:10	64.4	↓-5.5
9/20 01:20	59.4	↓-5.0
9/20 01:30	54.7	↓-4.7
9/20 01:40	50.6	↓-4.1
9/20 01:50	47.0	↓-3.6
9/20 02:00	43.9	↓-3.1
9/20 02:10	41.4	↓-2.5
9/20 02:20	39.4	↓-2.0
9/20 02:30	38.0	↓-1.4
9/20 02:40	37.2	↓-0.8	干潮
9/20 02:50	37.0	↓-0.2
9/20 03:00	37.4	↑0.4
9/20 03:10	38.4	↑1.0
9/20 03:20	40.0	↑1.6
9/20 03:30	42.1	↑2.1
9/20 03:40	44.8	↑2.7
9/20 03:50	48.1	↑3.3
9/20 04:00	51.8	↑3.7
9/20 04:10	56.0	↑4.2
9/20 04:20	60.6	↑4.6
9/20 04:30	65.7	↑5.1
9/20 04:40	71.2	↑5.5
9/20 04:50	77.0	↑5.8
9/20 05:00	83.1	↑6.1
9/20 05:10	89.5	↑6.4
9/20 05:20	96.1	↑6.6
9/20 05:30	102.8	↑6.7
9/20 05:40	109.7	↑6.9
9/20 05:50	116.7	↑7.0
9/20 06:00	123.7	↑7.0
9/20 06:10	130.7	↑7.0
9/20 06:20	137.6	↑6.9
9/20 06:30	144.4	↑6.8
9/20 06:40	151.1	↑6.7
9/20 06:50	157.5	↑6.4
9/20 07:00	163.7	↑6.2
9/20 07:10	169.5	↑5.8
9/20 07:20	175.0	↑5.5
9/20 07:30	180.2	↑5.2
9/20 07:40	184.9	↑4.7
9/20 07:50	189.1	↑4.2
9/20 08:00	192.9	↑3.8
9/20 08:10	196.1	↑3.2
9/20 08:20	198.9	↑2.8
9/20 08:30	201.0	↑2.1
9/20 08:40	202.7	↑1.7
9/20 08:50	203.7	↑1.0
9/20 09:00	204.2	↑0.5	満潮
9/20 09:10	204.1	↓-0.1
9/20 09:20	203.5	↓-0.6
9/20 09:30	202.3	↓-1.2
9/20 09:40	200.6	↓-1.7
9/20 09:50	198.4	↓-2.2
9/20 10:00	195.7	↓-2.7
9/20 10:10	192.5	↓-3.2
9/20 10:20	188.9	↓-3.6
9/20 10:30	184.9	↓-4.0
9/20 10:40	180.4	↓-4.5
9/20 10:50	175.7	↓-4.7
9/20 11:00	170.6	↓-5.1
9/20 11:10	165.3	↓-5.3
9/20 11:20	159.7	↓-5.6
9/20 11:30	154.0	↓-5.7
9/20 11:40	148.1	↓-5.9
9/20 11:50	142.1	↓-6.0
9/20 12:00	136.0	↓-6.1
9/20 12:10	130.0	↓-6.0
9/20 12:20	123.9	↓-6.1
9/20 12:30	117.9	↓-6.0
9/20 12:40	112.1	↓-5.8
9/20 12:50	106.4	↓-5.7
9/20 13:00	101.0	↓-5.4
9/20 13:10	95.8	↓-5.2
9/20 13:20	90.9	↓-4.9
9/20 13:30	86.3	↓-4.6
9/20 13:40	82.1	↓-4.2
9/20 13:50	78.4	↓-3.7
9/20 14:00	75.0	↓-3.4
9/20 14:10	72.2	↓-2.8
9/20 14:20	69.9	↓-2.3
9/20 14:30	68.0	↓-1.9
9/20 14:40	66.7	↓-1.3
9/20 14:50	66.0	↓-0.7	干潮
9/20 15:00	65.8	↓-0.2
9/20 15:10	66.2	↑0.4
9/20 15:20	67.1	↑0.9
9/20 15:30	68.6	↑1.5
9/20 15:40	70.6	↑2.0
9/20 15:50	73.1	↑2.5
9/20 16:00	76.2	↑3.1
9/20 16:10	79.7	↑3.5
9/20 16:20	83.6	↑3.9
9/20 16:30	88.0	↑4.4
9/20 16:40	92.8	↑4.8
9/20 16:50	98.0	↑5.2
9/20 17:00	103.4	↑5.4
9/20 17:10	109.2	↑5.8
9/20 17:20	115.1	↑5.9
9/20 17:30	121.3	↑6.2
9/20 17:40	127.6	↑6.3
9/20 17:50	134.0	↑6.4
9/20 18:00	140.5	↑6.5
9/20 18:10	147.0	↑6.5
9/20 18:20	153.4	↑6.4
9/20 18:30	159.7	↑6.3
9/20 18:40	165.9	↑6.2
9/20 18:50	171.8	↑5.9
9/20 19:00	177.6	↑5.8
9/20 19:10	183.0	↑5.4
9/20 19:20	188.1	↑5.1
9/20 19:30	192.8	↑4.7
9/20 19:40	197.1	↑4.3
9/20 19:50	201.0	↑3.9
9/20 20:00	204.3	↑3.3
9/20 20:10	207.2	↑2.9
9/20 20:20	209.5	↑2.3
9/20 20:30	211.3	↑1.8
9/20 20:40	212.5	↑1.2
9/20 20:50	213.1	↑0.6	満潮
9/20 21:00	213.1	0
9/20 21:10	212.6	↓-0.5
9/20 21:20	211.5	↓-1.1
9/20 21:30	209.8	↓-1.7
9/20 21:40	207.5	↓-2.3
9/20 21:50	204.8	↓-2.7
9/20 22:00	201.5	↓-3.3
9/20 22:10	197.7	↓-3.8
9/20 22:20	193.4	↓-4.3
9/20 22:30	188.7	↓-4.7
9/20 22:40	183.6	↓-5.1
9/20 22:50	178.2	↓-5.4
9/20 23:00	172.4	↓-5.8
9/20 23:10	166.3	↓-6.1
9/20 23:20	160.0	↓-6.3
9/20 23:30	153.4	↓-6.6
9/20 23:40	146.7	↓-6.7
9/20 23:50	139.8	↓-6.9