20 (水)	06:23	12:12	18:00	-
	160cm	68cm	161cm	-
中潮 出 06:19 入 19:12 出 04:42 入 16:30

黄尾嶼（沖縄）2039年04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
4/20 00:00	29.2	↑0.4
4/20 00:10	30.0	↑0.8
4/20 00:20	31.2	↑1.2
4/20 00:30	32.8	↑1.6
4/20 00:40	34.7	↑1.9
4/20 00:50	37.1	↑2.4
4/20 01:00	39.8	↑2.7
4/20 01:10	42.8	↑3.0
4/20 01:20	46.2	↑3.4
4/20 01:30	49.9	↑3.7
4/20 01:40	53.9	↑4.0
4/20 01:50	58.1	↑4.2
4/20 02:00	62.6	↑4.5
4/20 02:10	67.2	↑4.6
4/20 02:20	72.1	↑4.9
4/20 02:30	77.0	↑4.9
4/20 02:40	82.1	↑5.1
4/20 02:50	87.3	↑5.2
4/20 03:00	92.5	↑5.2
4/20 03:10	97.7	↑5.2
4/20 03:20	102.9	↑5.2
4/20 03:30	108.0	↑5.1
4/20 03:40	113.1	↑5.1
4/20 03:50	118.0	↑4.9
4/20 04:00	122.7	↑4.7
4/20 04:10	127.3	↑4.6
4/20 04:20	131.7	↑4.4
4/20 04:30	135.8	↑4.1
4/20 04:40	139.7	↑3.9
4/20 04:50	143.2	↑3.5
4/20 05:00	146.5	↑3.3
4/20 05:10	149.4	↑2.9
4/20 05:20	152.0	↑2.6
4/20 05:30	154.2	↑2.2
4/20 05:40	156.1	↑1.9
4/20 05:50	157.5	↑1.4
4/20 06:00	158.6	↑1.1
4/20 06:10	159.2	↑0.6
4/20 06:20	159.5	↑0.3	満潮
4/20 06:30	159.4	↓-0.1
4/20 06:40	158.9	↓-0.5
4/20 06:50	158.0	↓-0.9
4/20 07:00	156.8	↓-1.2
4/20 07:10	155.1	↓-1.7
4/20 07:20	153.2	↓-1.9
4/20 07:30	150.9	↓-2.3
4/20 07:40	148.3	↓-2.6
4/20 07:50	145.4	↓-2.9
4/20 08:00	142.3	↓-3.1
4/20 08:10	139.0	↓-3.3
4/20 08:20	135.4	↓-3.6
4/20 08:30	131.7	↓-3.7
4/20 08:40	127.8	↓-3.9
4/20 08:50	123.8	↓-4.0
4/20 09:00	119.7	↓-4.1
4/20 09:10	115.6	↓-4.1
4/20 09:20	111.5	↓-4.1
4/20 09:30	107.3	↓-4.2
4/20 09:40	103.3	↓-4.0
4/20 09:50	99.3	↓-4.0
4/20 10:00	95.4	↓-3.9
4/20 10:10	91.7	↓-3.7
4/20 10:20	88.1	↓-3.6
4/20 10:30	84.8	↓-3.3
4/20 10:40	81.6	↓-3.2
4/20 10:50	78.8	↓-2.8
4/20 11:00	76.2	↓-2.6
4/20 11:10	73.9	↓-2.3
4/20 11:20	71.9	↓-2.0
4/20 11:30	70.2	↓-1.7
4/20 11:40	68.9	↓-1.3
4/20 11:50	67.9	↓-1.0
4/20 12:00	67.3	↓-0.6
4/20 12:10	67.1	↓-0.2	干潮
4/20 12:20	67.3	↑0.2
4/20 12:30	67.8	↑0.5
4/20 12:40	68.6	↑0.8
4/20 12:50	69.9	↑1.3
4/20 13:00	71.5	↑1.6
4/20 13:10	73.4	↑1.9
4/20 13:20	75.6	↑2.2
4/20 13:30	78.2	↑2.6
4/20 13:40	81.0	↑2.8
4/20 13:50	84.1	↑3.1
4/20 14:00	87.4	↑3.3
4/20 14:10	91.0	↑3.6
4/20 14:20	94.7	↑3.7
4/20 14:30	98.6	↑3.9
4/20 14:40	102.7	↑4.1
4/20 14:50	106.8	↑4.1
4/20 15:00	111.0	↑4.2
4/20 15:10	115.2	↑4.2
4/20 15:20	119.4	↑4.2
4/20 15:30	123.5	↑4.1
4/20 15:40	127.6	↑4.1
4/20 15:50	131.6	↑4.0
4/20 16:00	135.5	↑3.9
4/20 16:10	139.1	↑3.6
4/20 16:20	142.6	↑3.5
4/20 16:30	145.9	↑3.3
4/20 16:40	148.8	↑2.9
4/20 16:50	151.5	↑2.7
4/20 17:00	153.9	↑2.4
4/20 17:10	156.0	↑2.1
4/20 17:20	157.7	↑1.7
4/20 17:30	159.0	↑1.3
4/20 17:40	160.0	↑1.0
4/20 17:50	160.5	↑0.5	満潮
4/20 18:00	160.7	↑0.2	満潮
4/20 18:10	160.4	↓-0.3
4/20 18:20	159.8	↓-0.6
4/20 18:30	158.7	↓-1.1
4/20 18:40	157.2	↓-1.5
4/20 18:50	155.3	↓-1.9
4/20 19:00	153.0	↓-2.3
4/20 19:10	150.3	↓-2.7
4/20 19:20	147.3	↓-3.0
4/20 19:30	143.9	↓-3.4
4/20 19:40	140.1	↓-3.8
4/20 19:50	136.1	↓-4.0
4/20 20:00	131.8	↓-4.3
4/20 20:10	127.2	↓-4.6
4/20 20:20	122.4	↓-4.8
4/20 20:30	117.4	↓-5.0
4/20 20:40	112.2	↓-5.2
4/20 20:50	106.9	↓-5.3
4/20 21:00	101.5	↓-5.4
4/20 21:10	96.1	↓-5.4
4/20 21:20	90.6	↓-5.5	最大潮位差
4/20 21:30	85.2	↓-5.4
4/20 21:40	79.8	↓-5.4
4/20 21:50	74.5	↓-5.3
4/20 22:00	69.3	↓-5.2
4/20 22:10	64.3	↓-5.0
4/20 22:20	59.4	↓-4.9
4/20 22:30	54.8	↓-4.6
4/20 22:40	50.5	↓-4.3
4/20 22:50	46.5	↓-4.0
4/20 23:00	42.7	↓-3.8
4/20 23:10	39.4	↓-3.3
4/20 23:20	36.4	↓-3.0
4/20 23:30	33.8	↓-2.6
4/20 23:40	31.6	↓-2.2
4/20 23:50	29.8	↓-1.8