20 (土)	09:28	03:10	21:19	15:18
	170cm	33cm	178cm	64cm
中潮 出 06:37 入 18:49 出 09:35 入 20:59

久部良（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	103.7	↓-6.0	最大潮位差
9/20 00:10	97.7	↓-6.0	最大潮位差
9/20 00:20	91.8	↓-5.9
9/20 00:30	85.9	↓-5.9
9/20 00:40	80.2	↓-5.7
9/20 00:50	74.7	↓-5.5
9/20 01:00	69.4	↓-5.3
9/20 01:10	64.3	↓-5.1
9/20 01:20	59.5	↓-4.8
9/20 01:30	55.0	↓-4.5
9/20 01:40	50.9	↓-4.1
9/20 01:50	47.1	↓-3.8
9/20 02:00	43.8	↓-3.3
9/20 02:10	40.8	↓-3.0
9/20 02:20	38.3	↓-2.5
9/20 02:30	36.2	↓-2.1
9/20 02:40	34.6	↓-1.6
9/20 02:50	33.5	↓-1.1
9/20 03:00	32.8	↓-0.7	干潮
9/20 03:10	32.6	↓-0.2	干潮
9/20 03:20	32.9	↑0.3
9/20 03:30	33.7	↑0.8
9/20 03:40	35.0	↑1.3
9/20 03:50	36.7	↑1.7
9/20 04:00	38.9	↑2.2
9/20 04:10	41.5	↑2.6
9/20 04:20	44.5	↑3.0
9/20 04:30	47.9	↑3.4
9/20 04:40	51.7	↑3.8
9/20 04:50	55.8	↑4.1
9/20 05:00	60.2	↑4.4
9/20 05:10	64.9	↑4.7
9/20 05:20	69.9	↑5.0
9/20 05:30	75.1	↑5.2
9/20 05:40	80.5	↑5.4
9/20 05:50	86.0	↑5.5
9/20 06:00	91.6	↑5.6
9/20 06:10	97.2	↑5.6
9/20 06:20	102.9	↑5.7
9/20 06:30	108.6	↑5.7
9/20 06:40	114.2	↑5.6
9/20 06:50	119.7	↑5.5
9/20 07:00	125.1	↑5.4
9/20 07:10	130.4	↑5.3
9/20 07:20	135.4	↑5.0
9/20 07:30	140.2	↑4.8
9/20 07:40	144.7	↑4.5
9/20 07:50	148.9	↑4.2
9/20 08:00	152.8	↑3.9
9/20 08:10	156.3	↑3.5
9/20 08:20	159.4	↑3.1
9/20 08:30	162.2	↑2.8
9/20 08:40	164.5	↑2.3
9/20 08:50	166.4	↑1.9
9/20 09:00	167.9	↑1.5
9/20 09:10	168.9	↑1.0
9/20 09:20	169.4	↑0.5	満潮
9/20 09:30	169.6	↑0.2
9/20 09:40	169.2	↓-0.4
9/20 09:50	168.4	↓-0.8
9/20 10:00	167.2	↓-1.2
9/20 10:10	165.6	↓-1.6
9/20 10:20	163.5	↓-2.1
9/20 10:30	161.1	↓-2.4
9/20 10:40	158.3	↓-2.8
9/20 10:50	155.2	↓-3.1
9/20 11:00	151.7	↓-3.5
9/20 11:10	148.0	↓-3.7
9/20 11:20	144.0	↓-4.0
9/20 11:30	139.9	↓-4.1
9/20 11:40	135.5	↓-4.4
9/20 11:50	131.0	↓-4.5
9/20 12:00	126.3	↓-4.7
9/20 12:10	121.6	↓-4.7
9/20 12:20	116.9	↓-4.7
9/20 12:30	112.2	↓-4.7
9/20 12:40	107.5	↓-4.7
9/20 12:50	102.8	↓-4.7
9/20 13:00	98.3	↓-4.5
9/20 13:10	94.0	↓-4.3
9/20 13:20	89.8	↓-4.2
9/20 13:30	85.9	↓-3.9
9/20 13:40	82.1	↓-3.8
9/20 13:50	78.7	↓-3.4
9/20 14:00	75.6	↓-3.1
9/20 14:10	72.8	↓-2.8
9/20 14:20	70.3	↓-2.5
9/20 14:30	68.2	↓-2.1
9/20 14:40	66.5	↓-1.7
9/20 14:50	65.2	↓-1.3
9/20 15:00	64.2	↓-1.0
9/20 15:10	63.7	↓-0.5	干潮
9/20 15:20	63.7	0
9/20 15:30	64.0	↑0.3
9/20 15:40	64.7	↑0.7
9/20 15:50	65.9	↑1.2
9/20 16:00	67.4	↑1.5
9/20 16:10	69.4	↑2.0
9/20 16:20	71.7	↑2.3
9/20 16:30	74.4	↑2.7
9/20 16:40	77.4	↑3.0
9/20 16:50	80.8	↑3.4
9/20 17:00	84.4	↑3.6
9/20 17:10	88.4	↑4.0
9/20 17:20	92.5	↑4.1
9/20 17:30	96.9	↑4.4
9/20 17:40	101.5	↑4.6
9/20 17:50	106.2	↑4.7
9/20 18:00	111.0	↑4.8
9/20 18:10	115.9	↑4.9
9/20 18:20	120.8	↑4.9
9/20 18:30	125.7	↑4.9
9/20 18:40	130.6	↑4.9
9/20 18:50	135.5	↑4.9
9/20 19:00	140.2	↑4.7
9/20 19:10	144.8	↑4.6
9/20 19:20	149.2	↑4.4
9/20 19:30	153.4	↑4.2
9/20 19:40	157.3	↑3.9
9/20 19:50	161.0	↑3.7
9/20 20:00	164.3	↑3.3
9/20 20:10	167.4	↑3.1
9/20 20:20	170.0	↑2.6
9/20 20:30	172.3	↑2.3
9/20 20:40	174.2	↑1.9
9/20 20:50	175.7	↑1.5
9/20 21:00	176.7	↑1.0
9/20 21:10	177.3	↑0.6	満潮
9/20 21:20	177.4	↑0.1
9/20 21:30	177.1	↓-0.3
9/20 21:40	176.3	↓-0.8
9/20 21:50	175.1	↓-1.2
9/20 22:00	173.4	↓-1.7
9/20 22:10	171.3	↓-2.1
9/20 22:20	168.7	↓-2.6
9/20 22:30	165.7	↓-3.0
9/20 22:40	162.4	↓-3.3
9/20 22:50	158.6	↓-3.8
9/20 23:00	154.5	↓-4.1
9/20 23:10	150.1	↓-4.4
9/20 23:20	145.4	↓-4.7
9/20 23:30	140.4	↓-5.0
9/20 23:40	135.2	↓-5.2
9/20 23:50	129.8	↓-5.4