20 (木)	05:19	11:25	17:15	23:23
	143cm	69cm	136cm	55cm
若潮 出 06:13 入 19:04 出 03:19 入 15:13

佐良浜（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	61.6	↑1.8
4/20 00:10	63.6	↑2.0
4/20 00:20	65.8	↑2.2
4/20 00:30	68.3	↑2.5
4/20 00:40	71.0	↑2.7
4/20 00:50	73.8	↑2.8
4/20 01:00	76.8	↑3.0
4/20 01:10	79.9	↑3.1
4/20 01:20	83.2	↑3.3
4/20 01:30	86.6	↑3.4
4/20 01:40	90.0	↑3.4
4/20 01:50	93.5	↑3.5
4/20 02:00	97.1	↑3.6	最大潮位差
4/20 02:10	100.6	↑3.5
4/20 02:20	104.2	↑3.6	最大潮位差
4/20 02:30	107.7	↑3.5
4/20 02:40	111.1	↑3.4
4/20 02:50	114.5	↑3.4
4/20 03:00	117.7	↑3.2
4/20 03:10	120.9	↑3.2
4/20 03:20	123.8	↑2.9
4/20 03:30	126.6	↑2.8
4/20 03:40	129.3	↑2.7
4/20 03:50	131.7	↑2.4
4/20 04:00	133.9	↑2.2
4/20 04:10	135.8	↑1.9
4/20 04:20	137.6	↑1.8
4/20 04:30	139.0	↑1.4
4/20 04:40	140.2	↑1.2
4/20 04:50	141.1	↑0.9
4/20 05:00	141.8	↑0.7
4/20 05:10	142.1	↑0.3	満潮
4/20 05:20	142.2	↑0.1
4/20 05:30	142.0	↓-0.2
4/20 05:40	141.5	↓-0.5
4/20 05:50	140.8	↓-0.7
4/20 06:00	139.8	↓-1.0
4/20 06:10	138.5	↓-1.3
4/20 06:20	137.0	↓-1.5
4/20 06:30	135.2	↓-1.8
4/20 06:40	133.2	↓-2.0
4/20 06:50	131.1	↓-2.1
4/20 07:00	128.7	↓-2.4
4/20 07:10	126.2	↓-2.5
4/20 07:20	123.5	↓-2.7
4/20 07:30	120.7	↓-2.8
4/20 07:40	117.7	↓-3.0
4/20 07:50	114.7	↓-3.0
4/20 08:00	111.6	↓-3.1
4/20 08:10	108.5	↓-3.1
4/20 08:20	105.4	↓-3.1
4/20 08:30	102.2	↓-3.2
4/20 08:40	99.1	↓-3.1
4/20 08:50	96.1	↓-3.0
4/20 09:00	93.1	↓-3.0
4/20 09:10	90.2	↓-2.9
4/20 09:20	87.4	↓-2.8
4/20 09:30	84.7	↓-2.7
4/20 09:40	82.2	↓-2.5
4/20 09:50	79.9	↓-2.3
4/20 10:00	77.7	↓-2.2
4/20 10:10	75.8	↓-1.9
4/20 10:20	74.1	↓-1.7
4/20 10:30	72.6	↓-1.5
4/20 10:40	71.3	↓-1.3
4/20 10:50	70.3	↓-1.0
4/20 11:00	69.5	↓-0.8
4/20 11:10	69.0	↓-0.5
4/20 11:20	68.8	↓-0.2	干潮
4/20 11:30	68.8	0
4/20 11:40	69.1	↑0.3
4/20 11:50	69.7	↑0.6
4/20 12:00	70.5	↑0.8
4/20 12:10	71.6	↑1.1
4/20 12:20	72.9	↑1.3
4/20 12:30	74.4	↑1.5
4/20 12:40	76.2	↑1.8
4/20 12:50	78.1	↑1.9
4/20 13:00	80.3	↑2.2
4/20 13:10	82.6	↑2.3
4/20 13:20	85.1	↑2.5
4/20 13:30	87.7	↑2.6
4/20 13:40	90.5	↑2.8
4/20 13:50	93.3	↑2.8
4/20 14:00	96.2	↑2.9
4/20 14:10	99.2	↑3.0
4/20 14:20	102.1	↑2.9
4/20 14:30	105.1	↑3.0
4/20 14:40	108.0	↑2.9
4/20 14:50	110.9	↑2.9
4/20 15:00	113.8	↑2.9
4/20 15:10	116.5	↑2.7
4/20 15:20	119.1	↑2.6
4/20 15:30	121.6	↑2.5
4/20 15:40	124.0	↑2.4
4/20 15:50	126.1	↑2.1
4/20 16:00	128.1	↑2.0
4/20 16:10	129.8	↑1.7
4/20 16:20	131.4	↑1.6
4/20 16:30	132.7	↑1.3
4/20 16:40	133.7	↑1.0
4/20 16:50	134.5	↑0.8
4/20 17:00	135.0	↑0.5
4/20 17:10	135.2	↑0.2	満潮
4/20 17:20	135.2	0
4/20 17:30	134.9	↓-0.3
4/20 17:40	134.3	↓-0.6
4/20 17:50	133.4	↓-0.9
4/20 18:00	132.3	↓-1.1
4/20 18:10	130.9	↓-1.4
4/20 18:20	129.2	↓-1.7
4/20 18:30	127.3	↓-1.9
4/20 18:40	125.2	↓-2.1
4/20 18:50	122.9	↓-2.3
4/20 19:00	120.3	↓-2.6
4/20 19:10	117.6	↓-2.7
4/20 19:20	114.6	↓-3.0
4/20 19:30	111.6	↓-3.0
4/20 19:40	108.4	↓-3.2
4/20 19:50	105.1	↓-3.3
4/20 20:00	101.8	↓-3.3
4/20 20:10	98.4	↓-3.4
4/20 20:20	94.9	↓-3.5
4/20 20:30	91.5	↓-3.4
4/20 20:40	88.0	↓-3.5
4/20 20:50	84.6	↓-3.4
4/20 21:00	81.3	↓-3.3
4/20 21:10	78.1	↓-3.2
4/20 21:20	75.0	↓-3.1
4/20 21:30	72.0	↓-3.0
4/20 21:40	69.3	↓-2.7
4/20 21:50	66.6	↓-2.7
4/20 22:00	64.2	↓-2.4
4/20 22:10	62.1	↓-2.1
4/20 22:20	60.1	↓-2.0
4/20 22:30	58.5	↓-1.6
4/20 22:40	57.1	↓-1.4
4/20 22:50	55.9	↓-1.2
4/20 23:00	55.1	↓-0.8
4/20 23:10	54.6	↓-0.5
4/20 23:20	54.4	↓-0.2	干潮
4/20 23:30	54.5	↑0.1
4/20 23:40	54.9	↑0.4
4/20 23:50	55.6	↑0.7