20 (木)	06:53	00:24	18:21	12:19
	131cm	3cm	163cm	54cm
大潮 出 07:20 入 18:48 出 05:51 入 17:25

久部良（沖縄）2031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	3.2	↓-1.3
2/20 00:10	2.4	↓-0.8
2/20 00:20	2.0	↓-0.4	干潮
2/20 00:30	2.1	↑0.1
2/20 00:40	2.6	↑0.5
2/20 00:50	3.6	↑1.0
2/20 01:00	4.9	↑1.3
2/20 01:10	6.7	↑1.8
2/20 01:20	8.9	↑2.2
2/20 01:30	11.5	↑2.6
2/20 01:40	14.4	↑2.9
2/20 01:50	17.7	↑3.3
2/20 02:00	21.3	↑3.6
2/20 02:10	25.2	↑3.9
2/20 02:20	29.4	↑4.2
2/20 02:30	33.8	↑4.4
2/20 02:40	38.5	↑4.7
2/20 02:50	43.3	↑4.8
2/20 03:00	48.3	↑5.0
2/20 03:10	53.3	↑5.0
2/20 03:20	58.5	↑5.2
2/20 03:30	63.7	↑5.2
2/20 03:40	68.9	↑5.2
2/20 03:50	74.1	↑5.2
2/20 04:00	79.2	↑5.1
2/20 04:10	84.2	↑5.0
2/20 04:20	89.1	↑4.9
2/20 04:30	93.8	↑4.7
2/20 04:40	98.4	↑4.6
2/20 04:50	102.7	↑4.3
2/20 05:00	106.8	↑4.1
2/20 05:10	110.6	↑3.8
2/20 05:20	114.1	↑3.5
2/20 05:30	117.3	↑3.2
2/20 05:40	120.2	↑2.9
2/20 05:50	122.8	↑2.6
2/20 06:00	124.9	↑2.1
2/20 06:10	126.7	↑1.8
2/20 06:20	128.1	↑1.4
2/20 06:30	129.2	↑1.1
2/20 06:40	129.8	↑0.6
2/20 06:50	130.1	↑0.3	満潮
2/20 07:00	130.0	↓-0.1
2/20 07:10	129.5	↓-0.5
2/20 07:20	128.6	↓-0.9
2/20 07:30	127.4	↓-1.2
2/20 07:40	125.9	↓-1.5
2/20 07:50	124.0	↓-1.9
2/20 08:00	121.9	↓-2.1
2/20 08:10	119.4	↓-2.5
2/20 08:20	116.7	↓-2.7
2/20 08:30	113.8	↓-2.9
2/20 08:40	110.7	↓-3.1
2/20 08:50	107.4	↓-3.3
2/20 09:00	104.0	↓-3.4
2/20 09:10	100.5	↓-3.5
2/20 09:20	96.9	↓-3.6
2/20 09:30	93.2	↓-3.7
2/20 09:40	89.5	↓-3.7
2/20 09:50	85.9	↓-3.6
2/20 10:00	82.3	↓-3.6
2/20 10:10	78.8	↓-3.5
2/20 10:20	75.4	↓-3.4
2/20 10:30	72.1	↓-3.3
2/20 10:40	69.0	↓-3.1
2/20 10:50	66.1	↓-2.9
2/20 11:00	63.5	↓-2.6
2/20 11:10	61.1	↓-2.4
2/20 11:20	59.0	↓-2.1
2/20 11:30	57.2	↓-1.8
2/20 11:40	55.7	↓-1.5
2/20 11:50	54.5	↓-1.2
2/20 12:00	53.7	↓-0.8
2/20 12:10	53.2	↓-0.5	干潮
2/20 12:20	53.1	↓-0.1
2/20 12:30	53.4	↑0.3
2/20 12:40	54.1	↑0.7
2/20 12:50	55.1	↑1.0
2/20 13:00	56.5	↑1.4
2/20 13:10	58.3	↑1.8
2/20 13:20	60.4	↑2.1
2/20 13:30	62.8	↑2.4
2/20 13:40	65.6	↑2.8
2/20 13:50	68.7	↑3.1
2/20 14:00	72.1	↑3.4
2/20 14:10	75.8	↑3.7
2/20 14:20	79.7	↑3.9
2/20 14:30	83.8	↑4.1
2/20 14:40	88.1	↑4.3
2/20 14:50	92.5	↑4.4
2/20 15:00	97.1	↑4.6
2/20 15:10	101.8	↑4.7
2/20 15:20	106.5	↑4.7
2/20 15:30	111.3	↑4.8
2/20 15:40	116.0	↑4.7
2/20 15:50	120.7	↑4.7
2/20 16:00	125.3	↑4.6
2/20 16:10	129.8	↑4.5
2/20 16:20	134.1	↑4.3
2/20 16:30	138.2	↑4.1
2/20 16:40	142.1	↑3.9
2/20 16:50	145.8	↑3.7
2/20 17:00	149.1	↑3.3
2/20 17:10	152.1	↑3.0
2/20 17:20	154.8	↑2.7
2/20 17:30	157.2	↑2.4
2/20 17:40	159.1	↑1.9
2/20 17:50	160.6	↑1.5
2/20 18:00	161.7	↑1.1
2/20 18:10	162.4	↑0.7
2/20 18:20	162.6	↑0.2	満潮
2/20 18:30	162.4	↓-0.2
2/20 18:40	161.7	↓-0.7
2/20 18:50	160.5	↓-1.2
2/20 19:00	158.9	↓-1.6
2/20 19:10	156.8	↓-2.1
2/20 19:20	154.3	↓-2.5
2/20 19:30	151.3	↓-3.0
2/20 19:40	147.9	↓-3.4
2/20 19:50	144.1	↓-3.8
2/20 20:00	139.9	↓-4.2
2/20 20:10	135.4	↓-4.5
2/20 20:20	130.5	↓-4.9
2/20 20:30	125.4	↓-5.1
2/20 20:40	119.9	↓-5.5
2/20 20:50	114.2	↓-5.7
2/20 21:00	108.3	↓-5.9
2/20 21:10	102.2	↓-6.1
2/20 21:20	96.0	↓-6.2
2/20 21:30	89.7	↓-6.3
2/20 21:40	83.3	↓-6.4	最大潮位差
2/20 21:50	76.9	↓-6.4	最大潮位差
2/20 22:00	70.6	↓-6.3
2/20 22:10	64.3	↓-6.3
2/20 22:20	58.0	↓-6.3
2/20 22:30	51.9	↓-6.1
2/20 22:40	46.0	↓-5.9
2/20 22:50	40.3	↓-5.7
2/20 23:00	34.9	↓-5.4
2/20 23:10	29.7	↓-5.2
2/20 23:20	24.8	↓-4.9
2/20 23:30	20.3	↓-4.5
2/20 23:40	16.1	↓-4.2
2/20 23:50	12.4	↓-3.7