20 (木)	04:31	10:43	16:33	22:35
	151cm	70cm	138cm	56cm
若潮 出 05:59 入 18:54 出 03:07 入 15:00

安田（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	79.3	↑2.9
4/20 00:10	82.4	↑3.1
4/20 00:20	85.6	↑3.2
4/20 00:30	88.9	↑3.3
4/20 00:40	92.4	↑3.5
4/20 00:50	95.9	↑3.5
4/20 01:00	99.4	↑3.5
4/20 01:10	103.0	↑3.6
4/20 01:20	106.7	↑3.7	最大潮位差
4/20 01:30	110.3	↑3.6
4/20 01:40	113.8	↑3.5
4/20 01:50	117.4	↑3.6
4/20 02:00	120.8	↑3.4
4/20 02:10	124.2	↑3.4
4/20 02:20	127.4	↑3.2
4/20 02:30	130.5	↑3.1
4/20 02:40	133.4	↑2.9
4/20 02:50	136.1	↑2.7
4/20 03:00	138.7	↑2.6
4/20 03:10	141.0	↑2.3
4/20 03:20	143.1	↑2.1
4/20 03:30	144.9	↑1.8
4/20 03:40	146.5	↑1.6
4/20 03:50	147.8	↑1.3
4/20 04:00	148.8	↑1.0
4/20 04:10	149.6	↑0.8
4/20 04:20	150.0	↑0.4
4/20 04:30	150.2	↑0.2	満潮
4/20 04:40	150.0	↓-0.2
4/20 04:50	149.6	↓-0.4
4/20 05:00	148.9	↓-0.7
4/20 05:10	147.9	↓-1.0
4/20 05:20	146.6	↓-1.3
4/20 05:30	145.0	↓-1.6
4/20 05:40	143.2	↓-1.8
4/20 05:50	141.1	↓-2.1
4/20 06:00	138.8	↓-2.3
4/20 06:10	136.3	↓-2.5
4/20 06:20	133.7	↓-2.6
4/20 06:30	130.8	↓-2.9
4/20 06:40	127.8	↓-3.0
4/20 06:50	124.6	↓-3.2
4/20 07:00	121.4	↓-3.2
4/20 07:10	118.1	↓-3.3
4/20 07:20	114.7	↓-3.4
4/20 07:30	111.3	↓-3.4
4/20 07:40	107.8	↓-3.5
4/20 07:50	104.4	↓-3.4
4/20 08:00	101.1	↓-3.3
4/20 08:10	97.8	↓-3.3
4/20 08:20	94.5	↓-3.3
4/20 08:30	91.4	↓-3.1
4/20 08:40	88.5	↓-2.9
4/20 08:50	85.6	↓-2.9
4/20 09:00	83.0	↓-2.6
4/20 09:10	80.5	↓-2.5
4/20 09:20	78.3	↓-2.2
4/20 09:30	76.3	↓-2.0
4/20 09:40	74.5	↓-1.8
4/20 09:50	72.9	↓-1.6
4/20 10:00	71.7	↓-1.2
4/20 10:10	70.6	↓-1.1
4/20 10:20	69.9	↓-0.7
4/20 10:30	69.4	↓-0.5
4/20 10:40	69.2	↓-0.2	干潮
4/20 10:50	69.3	↑0.1
4/20 11:00	69.6	↑0.3
4/20 11:10	70.2	↑0.6
4/20 11:20	71.1	↑0.9
4/20 11:30	72.3	↑1.2
4/20 11:40	73.6	↑1.3
4/20 11:50	75.3	↑1.7
4/20 12:00	77.1	↑1.8
4/20 12:10	79.2	↑2.1
4/20 12:20	81.4	↑2.2
4/20 12:30	83.8	↑2.4
4/20 12:40	86.4	↑2.6
4/20 12:50	89.1	↑2.7
4/20 13:00	91.9	↑2.8
4/20 13:10	94.9	↑3.0
4/20 13:20	97.9	↑3.0
4/20 13:30	100.9	↑3.0
4/20 13:40	104.0	↑3.1
4/20 13:50	107.0	↑3.0
4/20 14:00	110.1	↑3.1
4/20 14:10	113.1	↑3.0
4/20 14:20	116.0	↑2.9
4/20 14:30	118.8	↑2.8
4/20 14:40	121.5	↑2.7
4/20 14:50	124.1	↑2.6
4/20 15:00	126.5	↑2.4
4/20 15:10	128.7	↑2.2
4/20 15:20	130.7	↑2.0
4/20 15:30	132.5	↑1.8
4/20 15:40	134.1	↑1.6
4/20 15:50	135.4	↑1.3
4/20 16:00	136.4	↑1.0
4/20 16:10	137.2	↑0.8
4/20 16:20	137.7	↑0.5
4/20 16:30	137.9	↑0.2	満潮
4/20 16:40	137.8	↓-0.1
4/20 16:50	137.4	↓-0.4
4/20 17:00	136.7	↓-0.7
4/20 17:10	135.8	↓-0.9
4/20 17:20	134.5	↓-1.3
4/20 17:30	133.0	↓-1.5
4/20 17:40	131.2	↓-1.8
4/20 17:50	129.1	↓-2.1
4/20 18:00	126.8	↓-2.3
4/20 18:10	124.3	↓-2.5
4/20 18:20	121.6	↓-2.7
4/20 18:30	118.7	↓-2.9
4/20 18:40	115.6	↓-3.1
4/20 18:50	112.3	↓-3.3
4/20 19:00	109.0	↓-3.3
4/20 19:10	105.6	↓-3.4
4/20 19:20	102.0	↓-3.6
4/20 19:30	98.5	↓-3.5
4/20 19:40	94.9	↓-3.6
4/20 19:50	91.4	↓-3.5
4/20 20:00	87.9	↓-3.5
4/20 20:10	84.4	↓-3.5
4/20 20:20	81.1	↓-3.3
4/20 20:30	77.8	↓-3.3
4/20 20:40	74.7	↓-3.1
4/20 20:50	71.8	↓-2.9
4/20 21:00	69.0	↓-2.8
4/20 21:10	66.5	↓-2.5
4/20 21:20	64.2	↓-2.3
4/20 21:30	62.1	↓-2.1
4/20 21:40	60.3	↓-1.8
4/20 21:50	58.8	↓-1.5
4/20 22:00	57.6	↓-1.2
4/20 22:10	56.7	↓-0.9
4/20 22:20	56.1	↓-0.6
4/20 22:30	55.8	↓-0.3	干潮
4/20 22:40	55.8	0
4/20 22:50	56.2	↑0.4
4/20 23:00	56.8	↑0.6
4/20 23:10	57.8	↑1.0
4/20 23:20	59.1	↑1.3
4/20 23:30	60.8	↑1.7
4/20 23:40	62.7	↑1.9
4/20 23:50	64.9	↑2.2