20 (月)	05:18	11:18	17:13	23:32
	158cm	67cm	160cm	43cm
若潮 出 06:14 入 19:04 出 15:45 入 03:55

長山（沖縄）2043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	51.8	↑2.3
4/20 00:10	54.4	↑2.6
4/20 00:20	57.3	↑2.9
4/20 00:30	60.5	↑3.2
4/20 00:40	63.9	↑3.4
4/20 00:50	67.6	↑3.7
4/20 01:00	71.5	↑3.9
4/20 01:10	75.6	↑4.1
4/20 01:20	79.9	↑4.3
4/20 01:30	84.2	↑4.3
4/20 01:40	88.8	↑4.6
4/20 01:50	93.3	↑4.5
4/20 02:00	98.0	↑4.7
4/20 02:10	102.6	↑4.6
4/20 02:20	107.3	↑4.7
4/20 02:30	111.9	↑4.6
4/20 02:40	116.4	↑4.5
4/20 02:50	120.8	↑4.4
4/20 03:00	125.1	↑4.3
4/20 03:10	129.2	↑4.1
4/20 03:20	133.1	↑3.9
4/20 03:30	136.8	↑3.7
4/20 03:40	140.3	↑3.5
4/20 03:50	143.5	↑3.2
4/20 04:00	146.4	↑2.9
4/20 04:10	149.0	↑2.6
4/20 04:20	151.2	↑2.2
4/20 04:30	153.1	↑1.9
4/20 04:40	154.7	↑1.6
4/20 04:50	155.9	↑1.2
4/20 05:00	156.7	↑0.8
4/20 05:10	157.2	↑0.5	満潮
4/20 05:20	157.3	↑0.1
4/20 05:30	157.0	↓-0.3
4/20 05:40	156.4	↓-0.6
4/20 05:50	155.4	↓-1.0
4/20 06:00	154.0	↓-1.4
4/20 06:10	152.3	↓-1.7
4/20 06:20	150.4	↓-1.9
4/20 06:30	148.1	↓-2.3
4/20 06:40	145.5	↓-2.6
4/20 06:50	142.7	↓-2.8
4/20 07:00	139.6	↓-3.1
4/20 07:10	136.4	↓-3.2
4/20 07:20	132.9	↓-3.5
4/20 07:30	129.3	↓-3.6
4/20 07:40	125.6	↓-3.7
4/20 07:50	121.7	↓-3.9
4/20 08:00	117.8	↓-3.9
4/20 08:10	113.9	↓-3.9
4/20 08:20	109.9	↓-4.0
4/20 08:30	106.0	↓-3.9
4/20 08:40	102.1	↓-3.9
4/20 08:50	98.3	↓-3.8
4/20 09:00	94.6	↓-3.7
4/20 09:10	91.0	↓-3.6
4/20 09:20	87.6	↓-3.4
4/20 09:30	84.3	↓-3.3
4/20 09:40	81.3	↓-3.0
4/20 09:50	78.5	↓-2.8
4/20 10:00	75.9	↓-2.6
4/20 10:10	73.6	↓-2.3
4/20 10:20	71.6	↓-2.0
4/20 10:30	69.9	↓-1.7
4/20 10:40	68.5	↓-1.4
4/20 10:50	67.4	↓-1.1
4/20 11:00	66.6	↓-0.8
4/20 11:10	66.2	↓-0.4	干潮
4/20 11:20	66.1	↓-0.1
4/20 11:30	66.4	↑0.3
4/20 11:40	67.0	↑0.6
4/20 11:50	67.9	↑0.9
4/20 12:00	69.2	↑1.3
4/20 12:10	70.8	↑1.6
4/20 12:20	72.8	↑2.0
4/20 12:30	75.0	↑2.2
4/20 12:40	77.5	↑2.5
4/20 12:50	80.3	↑2.8
4/20 13:00	83.3	↑3.0
4/20 13:10	86.6	↑3.3
4/20 13:20	90.1	↑3.5
4/20 13:30	93.7	↑3.6
4/20 13:40	97.5	↑3.8
4/20 13:50	101.5	↑4.0
4/20 14:00	105.5	↑4.0
4/20 14:10	109.6	↑4.1
4/20 14:20	113.7	↑4.1
4/20 14:30	117.8	↑4.1
4/20 14:40	121.9	↑4.1
4/20 14:50	125.9	↑4.0
4/20 15:00	129.8	↑3.9
4/20 15:10	133.6	↑3.8
4/20 15:20	137.2	↑3.6
4/20 15:30	140.7	↑3.5
4/20 15:40	143.9	↑3.2
4/20 15:50	146.9	↑3.0
4/20 16:00	149.6	↑2.7
4/20 16:10	152.0	↑2.4
4/20 16:20	154.0	↑2.0
4/20 16:30	155.8	↑1.8
4/20 16:40	157.2	↑1.4
4/20 16:50	158.2	↑1.0
4/20 17:00	158.9	↑0.7
4/20 17:10	159.1	↑0.2	満潮
4/20 17:20	159.0	↓-0.1
4/20 17:30	158.5	↓-0.5
4/20 17:40	157.6	↓-0.9
4/20 17:50	156.3	↓-1.3
4/20 18:00	154.6	↓-1.7
4/20 18:10	152.6	↓-2.0
4/20 18:20	150.2	↓-2.4
4/20 18:30	147.5	↓-2.7
4/20 18:40	144.5	↓-3.0
4/20 18:50	141.1	↓-3.4
4/20 19:00	137.5	↓-3.6
4/20 19:10	133.6	↓-3.9
4/20 19:20	129.5	↓-4.1
4/20 19:30	125.3	↓-4.2
4/20 19:40	120.8	↓-4.5
4/20 19:50	116.2	↓-4.6
4/20 20:00	111.5	↓-4.7
4/20 20:10	106.7	↓-4.8	最大潮位差
4/20 20:20	101.9	↓-4.8	最大潮位差
4/20 20:30	97.1	↓-4.8	最大潮位差
4/20 20:40	92.3	↓-4.8	最大潮位差
4/20 20:50	87.6	↓-4.7
4/20 21:00	83.0	↓-4.6
4/20 21:10	78.4	↓-4.6
4/20 21:20	74.1	↓-4.3
4/20 21:30	69.9	↓-4.2
4/20 21:40	65.9	↓-4.0
4/20 21:50	62.2	↓-3.7
4/20 22:00	58.8	↓-3.4
4/20 22:10	55.6	↓-3.2
4/20 22:20	52.7	↓-2.9
4/20 22:30	50.2	↓-2.5
4/20 22:40	48.0	↓-2.2
4/20 22:50	46.2	↓-1.8
4/20 23:00	44.8	↓-1.4
4/20 23:10	43.8	↓-1.0
4/20 23:20	43.1	↓-0.7
4/20 23:30	42.9	↓-0.2	干潮
4/20 23:40	43.1	↑0.2
4/20 23:50	43.7	↑0.6