20 (水)	09:20	03:10	21:22	15:14
	152cm	12cm	164cm	33cm
中潮 出 07:17 入 18:43 出 20:52 入 08:09 潮干狩り ○ 14:14～16:12

黄尾嶼（沖縄）2030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	89.2	↓-6.5	最大潮位差
2/20 00:10	82.7	↓-6.5	最大潮位差
2/20 00:20	76.2	↓-6.5	最大潮位差
2/20 00:30	69.9	↓-6.3
2/20 00:40	63.7	↓-6.2
2/20 00:50	57.7	↓-6.0
2/20 01:00	51.9	↓-5.8
2/20 01:10	46.4	↓-5.5
2/20 01:20	41.2	↓-5.2
2/20 01:30	36.3	↓-4.9
2/20 01:40	31.8	↓-4.5
2/20 01:50	27.7	↓-4.1
2/20 02:00	24.0	↓-3.7
2/20 02:10	20.8	↓-3.2
2/20 02:20	18.1	↓-2.7
2/20 02:30	15.8	↓-2.3
2/20 02:40	14.0	↓-1.8
2/20 02:50	12.8	↓-1.2
2/20 03:00	12.0	↓-0.8	干潮
2/20 03:10	11.8	↓-0.2	干潮
2/20 03:20	12.1	↑0.3
2/20 03:30	12.9	↑0.8
2/20 03:40	14.3	↑1.4
2/20 03:50	16.1	↑1.8
2/20 04:00	18.4	↑2.3
2/20 04:10	21.2	↑2.8
2/20 04:20	24.4	↑3.2
2/20 04:30	28.0	↑3.6
2/20 04:40	32.0	↑4.0
2/20 04:50	36.4	↑4.4
2/20 05:00	41.1	↑4.7
2/20 05:10	46.0	↑4.9
2/20 05:20	51.3	↑5.3
2/20 05:30	56.7	↑5.4
2/20 05:40	62.4	↑5.7
2/20 05:50	68.1	↑5.7
2/20 06:00	74.0	↑5.9
2/20 06:10	79.9	↑5.9
2/20 06:20	85.8	↑5.9
2/20 06:30	91.7	↑5.9
2/20 06:40	97.5	↑5.8
2/20 06:50	103.1	↑5.6
2/20 07:00	108.7	↑5.6
2/20 07:10	114.0	↑5.3
2/20 07:20	119.0	↑5.0
2/20 07:30	123.8	↑4.8
2/20 07:40	128.3	↑4.5
2/20 07:50	132.5	↑4.2
2/20 08:00	136.3	↑3.8
2/20 08:10	139.7	↑3.4
2/20 08:20	142.7	↑3.0
2/20 08:30	145.3	↑2.6
2/20 08:40	147.4	↑2.1
2/20 08:50	149.0	↑1.6
2/20 09:00	150.2	↑1.2
2/20 09:10	150.9	↑0.7	満潮
2/20 09:20	151.1	↑0.2	満潮
2/20 09:30	150.8	↓-0.3
2/20 09:40	150.1	↓-0.7
2/20 09:50	148.9	↓-1.2
2/20 10:00	147.2	↓-1.7
2/20 10:10	145.1	↓-2.1
2/20 10:20	142.6	↓-2.5
2/20 10:30	139.7	↓-2.9
2/20 10:40	136.4	↓-3.3
2/20 10:50	132.7	↓-3.7
2/20 11:00	128.7	↓-4.0
2/20 11:10	124.5	↓-4.2
2/20 11:20	120.0	↓-4.5
2/20 11:30	115.2	↓-4.8
2/20 11:40	110.3	↓-4.9
2/20 11:50	105.3	↓-5.0
2/20 12:00	100.1	↓-5.2
2/20 12:10	94.9	↓-5.2
2/20 12:20	89.7	↓-5.2
2/20 12:30	84.5	↓-5.2
2/20 12:40	79.3	↓-5.2
2/20 12:50	74.2	↓-5.1
2/20 13:00	69.3	↓-4.9
2/20 13:10	64.6	↓-4.7
2/20 13:20	60.1	↓-4.5
2/20 13:30	55.8	↓-4.3
2/20 13:40	51.8	↓-4.0
2/20 13:50	48.1	↓-3.7
2/20 14:00	44.8	↓-3.3
2/20 14:10	41.8	↓-3.0
2/20 14:20	39.2	↓-2.6
2/20 14:30	37.1	↓-2.1
2/20 14:40	35.4	↓-1.7
2/20 14:50	34.1	↓-1.3
2/20 15:00	33.3	↓-0.8
2/20 15:10	32.9	↓-0.4	干潮
2/20 15:20	33.0	↑0.1
2/20 15:30	33.6	↑0.6
2/20 15:40	34.6	↑1.0
2/20 15:50	36.1	↑1.5
2/20 16:00	38.1	↑2.0
2/20 16:10	40.4	↑2.3
2/20 16:20	43.2	↑2.8
2/20 16:30	46.4	↑3.2
2/20 16:40	50.0	↑3.6
2/20 16:50	53.9	↑3.9
2/20 17:00	58.2	↑4.3
2/20 17:10	62.7	↑4.5
2/20 17:20	67.5	↑4.8
2/20 17:30	72.5	↑5.0
2/20 17:40	77.8	↑5.3
2/20 17:50	83.1	↑5.3
2/20 18:00	88.6	↑5.5
2/20 18:10	94.2	↑5.6
2/20 18:20	99.7	↑5.5
2/20 18:30	105.3	↑5.6
2/20 18:40	110.8	↑5.5
2/20 18:50	116.3	↑5.5
2/20 19:00	121.6	↑5.3
2/20 19:10	126.7	↑5.1
2/20 19:20	131.7	↑5.0
2/20 19:30	136.4	↑4.7
2/20 19:40	140.8	↑4.4
2/20 19:50	144.9	↑4.1
2/20 20:00	148.7	↑3.8
2/20 20:10	152.1	↑3.4
2/20 20:20	155.1	↑3.0
2/20 20:30	157.7	↑2.6
2/20 20:40	159.9	↑2.2
2/20 20:50	161.6	↑1.7
2/20 21:00	162.9	↑1.3
2/20 21:10	163.7	↑0.8
2/20 21:20	164.0	↑0.3	満潮
2/20 21:30	163.8	↓-0.2
2/20 21:40	163.2	↓-0.6
2/20 21:50	162.0	↓-1.2
2/20 22:00	160.4	↓-1.6
2/20 22:10	158.4	↓-2.0
2/20 22:20	155.9	↓-2.5
2/20 22:30	153.0	↓-2.9
2/20 22:40	149.6	↓-3.4
2/20 22:50	145.9	↓-3.7
2/20 23:00	141.8	↓-4.1
2/20 23:10	137.4	↓-4.4
2/20 23:20	132.7	↓-4.7
2/20 23:30	127.8	↓-4.9
2/20 23:40	122.6	↓-5.2
2/20 23:50	117.2	↓-5.4