20 (土)	05:45	11:46	17:50	-
	171cm	47cm	181cm	-
中潮 出 06:13 入 19:04 出 04:39 入 16:34

長山（沖縄）2058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	31.2	↑1.4
4/20 00:10	33.0	↑1.8
4/20 00:20	35.4	↑2.4
4/20 00:30	38.1	↑2.7
4/20 00:40	41.3	↑3.2
4/20 00:50	44.9	↑3.6
4/20 01:00	48.8	↑3.9
4/20 01:10	53.1	↑4.3
4/20 01:20	57.7	↑4.6
4/20 01:30	62.6	↑4.9
4/20 01:40	67.7	↑5.1
4/20 01:50	73.1	↑5.4
4/20 02:00	78.6	↑5.5
4/20 02:10	84.3	↑5.7
4/20 02:20	90.1	↑5.8
4/20 02:30	96.0	↑5.9
4/20 02:40	101.9	↑5.9
4/20 02:50	107.8	↑5.9
4/20 03:00	113.6	↑5.8
4/20 03:10	119.4	↑5.8
4/20 03:20	125.0	↑5.6
4/20 03:30	130.4	↑5.4
4/20 03:40	135.6	↑5.2
4/20 03:50	140.6	↑5.0
4/20 04:00	145.2	↑4.6
4/20 04:10	149.6	↑4.4
4/20 04:20	153.6	↑4.0
4/20 04:30	157.2	↑3.6
4/20 04:40	160.4	↑3.2
4/20 04:50	163.2	↑2.8
4/20 05:00	165.6	↑2.4
4/20 05:10	167.5	↑1.9
4/20 05:20	168.9	↑1.4
4/20 05:30	169.8	↑0.9
4/20 05:40	170.3	↑0.5	満潮
4/20 05:50	170.3	0
4/20 06:00	169.7	↓-0.6
4/20 06:10	168.7	↓-1.0
4/20 06:20	167.3	↓-1.4
4/20 06:30	165.4	↓-1.9
4/20 06:40	163.0	↓-2.4
4/20 06:50	160.2	↓-2.8
4/20 07:00	157.1	↓-3.1
4/20 07:10	153.5	↓-3.6
4/20 07:20	149.6	↓-3.9
4/20 07:30	145.4	↓-4.2
4/20 07:40	141.0	↓-4.4
4/20 07:50	136.3	↓-4.7
4/20 08:00	131.4	↓-4.9
4/20 08:10	126.3	↓-5.1
4/20 08:20	121.1	↓-5.2
4/20 08:30	115.8	↓-5.3
4/20 08:40	110.4	↓-5.4
4/20 08:50	105.1	↓-5.3
4/20 09:00	99.7	↓-5.4
4/20 09:10	94.5	↓-5.2
4/20 09:20	89.3	↓-5.2
4/20 09:30	84.3	↓-5.0
4/20 09:40	79.5	↓-4.8
4/20 09:50	74.9	↓-4.6
4/20 10:00	70.6	↓-4.3
4/20 10:10	66.5	↓-4.1
4/20 10:20	62.8	↓-3.7
4/20 10:30	59.4	↓-3.4
4/20 10:40	56.3	↓-3.1
4/20 10:50	53.7	↓-2.6
4/20 11:00	51.4	↓-2.3
4/20 11:10	49.6	↓-1.8
4/20 11:20	48.3	↓-1.3
4/20 11:30	47.4	↓-0.9
4/20 11:40	46.9	↓-0.5	干潮
4/20 11:50	47.0	↑0.1
4/20 12:00	47.4	↑0.4
4/20 12:10	48.4	↑1.0
4/20 12:20	49.8	↑1.4
4/20 12:30	51.7	↑1.9
4/20 12:40	54.0	↑2.3
4/20 12:50	56.8	↑2.8
4/20 13:00	59.9	↑3.1
4/20 13:10	63.5	↑3.6
4/20 13:20	67.4	↑3.9
4/20 13:30	71.7	↑4.3
4/20 13:40	76.2	↑4.5
4/20 13:50	81.1	↑4.9
4/20 14:00	86.1	↑5.0
4/20 14:10	91.4	↑5.3
4/20 14:20	96.9	↑5.5
4/20 14:30	102.5	↑5.6
4/20 14:40	108.2	↑5.7
4/20 14:50	113.9	↑5.7
4/20 15:00	119.7	↑5.8
4/20 15:10	125.4	↑5.7
4/20 15:20	131.0	↑5.6
4/20 15:30	136.5	↑5.5
4/20 15:40	141.8	↑5.3
4/20 15:50	147.0	↑5.2
4/20 16:00	151.8	↑4.8
4/20 16:10	156.4	↑4.6
4/20 16:20	160.7	↑4.3
4/20 16:30	164.6	↑3.9
4/20 16:40	168.2	↑3.6
4/20 16:50	171.3	↑3.1
4/20 17:00	174.0	↑2.7
4/20 17:10	176.2	↑2.2
4/20 17:20	178.0	↑1.8
4/20 17:30	179.2	↑1.2
4/20 17:40	180.0	↑0.8	満潮
4/20 17:50	180.2	↑0.2	満潮
4/20 18:00	179.9	↓-0.3
4/20 18:10	179.1	↓-0.8
4/20 18:20	177.8	↓-1.3
4/20 18:30	175.9	↓-1.9
4/20 18:40	173.6	↓-2.3
4/20 18:50	170.8	↓-2.8
4/20 19:00	167.5	↓-3.3
4/20 19:10	163.8	↓-3.7
4/20 19:20	159.7	↓-4.1
4/20 19:30	155.2	↓-4.5
4/20 19:40	150.4	↓-4.8
4/20 19:50	145.2	↓-5.2
4/20 20:00	139.7	↓-5.5
4/20 20:10	134.0	↓-5.7
4/20 20:20	128.1	↓-5.9
4/20 20:30	122.1	↓-6.0
4/20 20:40	115.9	↓-6.2
4/20 20:50	109.6	↓-6.3	最大潮位差
4/20 21:00	103.3	↓-6.3	最大潮位差
4/20 21:10	97.0	↓-6.3	最大潮位差
4/20 21:20	90.8	↓-6.2
4/20 21:30	84.6	↓-6.2
4/20 21:40	78.6	↓-6.0
4/20 21:50	72.8	↓-5.8
4/20 22:00	67.2	↓-5.6
4/20 22:10	61.8	↓-5.4
4/20 22:20	56.8	↓-5.0
4/20 22:30	52.0	↓-4.8
4/20 22:40	47.7	↓-4.3
4/20 22:50	43.7	↓-4.0
4/20 23:00	40.2	↓-3.5
4/20 23:10	37.1	↓-3.1
4/20 23:20	34.4	↓-2.7
4/20 23:30	32.2	↓-2.2
4/20 23:40	30.6	↓-1.6
4/20 23:50	29.4	↓-1.2