20 (木)	05:14	11:13	17:16	23:35
	163cm	57cm	172cm	37cm
若潮 出 06:13 入 19:04 出 15:58 入 03:59

長山（沖縄）2062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	45.5	↑2.5
4/20 00:10	48.5	↑3.0
4/20 00:20	51.8	↑3.3
4/20 00:30	55.3	↑3.5
4/20 00:40	59.2	↑3.9
4/20 00:50	63.4	↑4.2
4/20 01:00	67.8	↑4.4
4/20 01:10	72.4	↑4.6
4/20 01:20	77.2	↑4.8
4/20 01:30	82.1	↑4.9
4/20 01:40	87.1	↑5.0
4/20 01:50	92.3	↑5.2
4/20 02:00	97.5	↑5.2
4/20 02:10	102.7	↑5.2
4/20 02:20	107.9	↑5.2
4/20 02:30	113.0	↑5.1
4/20 02:40	118.0	↑5.0
4/20 02:50	122.9	↑4.9
4/20 03:00	127.7	↑4.8
4/20 03:10	132.2	↑4.5
4/20 03:20	136.6	↑4.4
4/20 03:30	140.6	↑4.0
4/20 03:40	144.4	↑3.8
4/20 03:50	147.9	↑3.5
4/20 04:00	151.0	↑3.1
4/20 04:10	153.8	↑2.8
4/20 04:20	156.2	↑2.4
4/20 04:30	158.2	↑2.0
4/20 04:40	159.8	↑1.6
4/20 04:50	161.0	↑1.2
4/20 05:00	161.7	↑0.7
4/20 05:10	162.1	↑0.4	満潮
4/20 05:20	162.0	↓-0.1
4/20 05:30	161.5	↓-0.5
4/20 05:40	160.6	↓-0.9
4/20 05:50	159.3	↓-1.3
4/20 06:00	157.6	↓-1.7
4/20 06:10	155.5	↓-2.1
4/20 06:20	153.0	↓-2.5
4/20 06:30	150.2	↓-2.8
4/20 06:40	147.2	↓-3.0
4/20 06:50	143.8	↓-3.4
4/20 07:00	140.1	↓-3.7
4/20 07:10	136.2	↓-3.9
4/20 07:20	132.1	↓-4.1
4/20 07:30	127.9	↓-4.2
4/20 07:40	123.5	↓-4.4
4/20 07:50	119.0	↓-4.5
4/20 08:00	114.4	↓-4.6
4/20 08:10	109.9	↓-4.5
4/20 08:20	105.3	↓-4.6
4/20 08:30	100.7	↓-4.6
4/20 08:40	96.2	↓-4.5
4/20 08:50	91.8	↓-4.4
4/20 09:00	87.6	↓-4.2
4/20 09:10	83.5	↓-4.1
4/20 09:20	79.6	↓-3.9
4/20 09:30	75.9	↓-3.7
4/20 09:40	72.5	↓-3.4
4/20 09:50	69.3	↓-3.2
4/20 10:00	66.5	↓-2.8
4/20 10:10	64.0	↓-2.5
4/20 10:20	61.8	↓-2.2
4/20 10:30	60.0	↓-1.8
4/20 10:40	58.5	↓-1.5
4/20 10:50	57.5	↓-1.0
4/20 11:00	56.8	↓-0.7
4/20 11:10	56.5	↓-0.3	干潮
4/20 11:20	56.7	↑0.2
4/20 11:30	57.2	↑0.5
4/20 11:40	58.1	↑0.9
4/20 11:50	59.5	↑1.4
4/20 12:00	61.2	↑1.7
4/20 12:10	63.3	↑2.1
4/20 12:20	65.8	↑2.5
4/20 12:30	68.6	↑2.8
4/20 12:40	71.7	↑3.1
4/20 12:50	75.2	↑3.5
4/20 13:00	78.9	↑3.7
4/20 13:10	83.0	↑4.1
4/20 13:20	87.2	↑4.2
4/20 13:30	91.7	↑4.5
4/20 13:40	96.3	↑4.6
4/20 13:50	101.0	↑4.7
4/20 14:00	105.9	↑4.9
4/20 14:10	110.9	↑5.0
4/20 14:20	115.8	↑4.9
4/20 14:30	120.8	↑5.0
4/20 14:40	125.7	↑4.9
4/20 14:50	130.6	↑4.9
4/20 15:00	135.3	↑4.7
4/20 15:10	139.9	↑4.6
4/20 15:20	144.3	↑4.4
4/20 15:30	148.4	↑4.1
4/20 15:40	152.3	↑3.9
4/20 15:50	155.9	↑3.6
4/20 16:00	159.2	↑3.3
4/20 16:10	162.2	↑3.0
4/20 16:20	164.7	↑2.5
4/20 16:30	166.9	↑2.2
4/20 16:40	168.7	↑1.8
4/20 16:50	170.0	↑1.3
4/20 17:00	171.0	↑1.0
4/20 17:10	171.4	↑0.4	満潮
4/20 17:20	171.4	0
4/20 17:30	171.0	↓-0.4
4/20 17:40	170.1	↓-0.9
4/20 17:50	168.7	↓-1.4
4/20 18:00	166.9	↓-1.8
4/20 18:10	164.6	↓-2.3
4/20 18:20	162.0	↓-2.6
4/20 18:30	158.9	↓-3.1
4/20 18:40	155.5	↓-3.4
4/20 18:50	151.7	↓-3.8
4/20 19:00	147.6	↓-4.1
4/20 19:10	143.2	↓-4.4
4/20 19:20	138.5	↓-4.7
4/20 19:30	133.5	↓-5.0
4/20 19:40	128.4	↓-5.1
4/20 19:50	123.1	↓-5.3
4/20 20:00	117.6	↓-5.5
4/20 20:10	112.1	↓-5.5
4/20 20:20	106.5	↓-5.6	最大潮位差
4/20 20:30	100.9	↓-5.6	最大潮位差
4/20 20:40	95.3	↓-5.6	最大潮位差
4/20 20:50	89.8	↓-5.5
4/20 21:00	84.3	↓-5.5
4/20 21:10	79.0	↓-5.3
4/20 21:20	73.9	↓-5.1
4/20 21:30	69.0	↓-4.9
4/20 21:40	64.3	↓-4.7
4/20 21:50	59.9	↓-4.4
4/20 22:00	55.8	↓-4.1
4/20 22:10	52.0	↓-3.8
4/20 22:20	48.6	↓-3.4
4/20 22:30	45.5	↓-3.1
4/20 22:40	42.8	↓-2.7
4/20 22:50	40.6	↓-2.2
4/20 23:00	38.8	↓-1.8
4/20 23:10	37.5	↓-1.3
4/20 23:20	36.6	↓-0.9
4/20 23:30	36.1	↓-0.5	干潮
4/20 23:40	36.1	0
4/20 23:50	36.6	↑0.5