20 (木)	04:51	10:53	16:48	23:04
	161cm	72cm	155cm	59cm
若潮 出 06:02 入 18:57 出 03:10 入 15:03

那覇（沖縄）2028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	76.6	↑2.6
4/20 00:10	79.5	↑2.9
4/20 00:20	82.5	↑3.0
4/20 00:30	85.8	↑3.3
4/20 00:40	89.2	↑3.4
4/20 00:50	92.8	↑3.6
4/20 01:00	96.5	↑3.7
4/20 01:10	100.3	↑3.8
4/20 01:20	104.2	↑3.9
4/20 01:30	108.1	↑3.9
4/20 01:40	112.1	↑4.0	最大潮位差
4/20 01:50	116.1	↑4.0	最大潮位差
4/20 02:00	120.0	↑3.9
4/20 02:10	123.9	↑3.9
4/20 02:20	127.7	↑3.8
4/20 02:30	131.4	↑3.7
4/20 02:40	135.0	↑3.6
4/20 02:50	138.4	↑3.4
4/20 03:00	141.7	↑3.3
4/20 03:10	144.7	↑3.0
4/20 03:20	147.5	↑2.8
4/20 03:30	150.1	↑2.6
4/20 03:40	152.4	↑2.3
4/20 03:50	154.4	↑2.0
4/20 04:00	156.2	↑1.8
4/20 04:10	157.6	↑1.4
4/20 04:20	158.8	↑1.2
4/20 04:30	159.6	↑0.8
4/20 04:40	160.1	↑0.5
4/20 04:50	160.3	↑0.2	満潮
4/20 05:00	160.1	↓-0.2
4/20 05:10	159.6	↓-0.5
4/20 05:20	158.8	↓-0.8
4/20 05:30	157.7	↓-1.1
4/20 05:40	156.3	↓-1.4
4/20 05:50	154.5	↓-1.8
4/20 06:00	152.5	↓-2.0
4/20 06:10	150.2	↓-2.3
4/20 06:20	147.7	↓-2.5
4/20 06:30	144.9	↓-2.8
4/20 06:40	141.8	↓-3.1
4/20 06:50	138.6	↓-3.2
4/20 07:00	135.3	↓-3.3
4/20 07:10	131.7	↓-3.6
4/20 07:20	128.1	↓-3.6
4/20 07:30	124.3	↓-3.8
4/20 07:40	120.5	↓-3.8
4/20 07:50	116.7	↓-3.8
4/20 08:00	112.8	↓-3.9
4/20 08:10	109.0	↓-3.8
4/20 08:20	105.2	↓-3.8
4/20 08:30	101.6	↓-3.6
4/20 08:40	98.0	↓-3.6
4/20 08:50	94.5	↓-3.5
4/20 09:00	91.3	↓-3.2
4/20 09:10	88.2	↓-3.1
4/20 09:20	85.3	↓-2.9
4/20 09:30	82.7	↓-2.6
4/20 09:40	80.3	↓-2.4
4/20 09:50	78.2	↓-2.1
4/20 10:00	76.3	↓-1.9
4/20 10:10	74.8	↓-1.5
4/20 10:20	73.6	↓-1.2
4/20 10:30	72.7	↓-0.9
4/20 10:40	72.1	↓-0.6
4/20 10:50	71.9	↓-0.2	干潮
4/20 11:00	72.0	↑0.1
4/20 11:10	72.4	↑0.4
4/20 11:20	73.1	↑0.7
4/20 11:30	74.2	↑1.1
4/20 11:40	75.5	↑1.3
4/20 11:50	77.2	↑1.7
4/20 12:00	79.2	↑2.0
4/20 12:10	81.4	↑2.2
4/20 12:20	83.9	↑2.5
4/20 12:30	86.6	↑2.7
4/20 12:40	89.5	↑2.9
4/20 12:50	92.6	↑3.1
4/20 13:00	95.9	↑3.3
4/20 13:10	99.3	↑3.4
4/20 13:20	102.8	↑3.5
4/20 13:30	106.4	↑3.6
4/20 13:40	110.1	↑3.7
4/20 13:50	113.8	↑3.7
4/20 14:00	117.4	↑3.6
4/20 14:10	121.1	↑3.7
4/20 14:20	124.6	↑3.5
4/20 14:30	128.1	↑3.5
4/20 14:40	131.5	↑3.4
4/20 14:50	134.7	↑3.2
4/20 15:00	137.7	↑3.0
4/20 15:10	140.6	↑2.9
4/20 15:20	143.2	↑2.6
4/20 15:30	145.6	↑2.4
4/20 15:40	147.7	↑2.1
4/20 15:50	149.6	↑1.9
4/20 16:00	151.2	↑1.6
4/20 16:10	152.5	↑1.3
4/20 16:20	153.5	↑1.0
4/20 16:30	154.2	↑0.7
4/20 16:40	154.6	↑0.4	満潮
4/20 16:50	154.6	0
4/20 17:00	154.4	↓-0.2
4/20 17:10	153.8	↓-0.6
4/20 17:20	152.9	↓-0.9
4/20 17:30	151.7	↓-1.2
4/20 17:40	150.2	↓-1.5
4/20 17:50	148.4	↓-1.8
4/20 18:00	146.3	↓-2.1
4/20 18:10	144.0	↓-2.3
4/20 18:20	141.4	↓-2.6
4/20 18:30	138.5	↓-2.9
4/20 18:40	135.5	↓-3.0
4/20 18:50	132.2	↓-3.3
4/20 19:00	128.8	↓-3.4
4/20 19:10	125.1	↓-3.7
4/20 19:20	121.4	↓-3.7
4/20 19:30	117.6	↓-3.8
4/20 19:40	113.6	↓-4.0	最大潮位差
4/20 19:50	109.6	↓-4.0	最大潮位差
4/20 20:00	105.6	↓-4.0	最大潮位差
4/20 20:10	101.6	↓-4.0	最大潮位差
4/20 20:20	97.6	↓-4.0	最大潮位差
4/20 20:30	93.7	↓-3.9
4/20 20:40	89.8	↓-3.9
4/20 20:50	86.1	↓-3.7
4/20 21:00	82.5	↓-3.6
4/20 21:10	79.1	↓-3.4
4/20 21:20	75.9	↓-3.2
4/20 21:30	72.8	↓-3.1
4/20 21:40	70.1	↓-2.7
4/20 21:50	67.5	↓-2.6
4/20 22:00	65.3	↓-2.2
4/20 22:10	63.3	↓-2.0
4/20 22:20	61.7	↓-1.6
4/20 22:30	60.4	↓-1.3
4/20 22:40	59.4	↓-1.0
4/20 22:50	58.8	↓-0.6
4/20 23:00	58.5	↓-0.3	干潮
4/20 23:10	58.6	↑0.1
4/20 23:20	59.0	↑0.4
4/20 23:30	59.8	↑0.8
4/20 23:40	61.0	↑1.2
4/20 23:50	62.5	↑1.5