20 (木)	09:32	03:37	23:04	16:26
	167cm	81cm	140cm	36cm
中潮 出 06:13 入 19:04 出 09:48 入 23:34 潮干狩り ○ 15:25～17:28

長山（沖縄）2056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	130.2	↓-2.8
4/20 00:10	127.3	↓-2.9
4/20 00:20	124.3	↓-3.0
4/20 00:30	121.2	↓-3.1
4/20 00:40	118.0	↓-3.2
4/20 00:50	114.8	↓-3.2
4/20 01:00	111.6	↓-3.2
4/20 01:10	108.4	↓-3.2
4/20 01:20	105.3	↓-3.1
4/20 01:30	102.2	↓-3.1
4/20 01:40	99.3	↓-2.9
4/20 01:50	96.5	↓-2.8
4/20 02:00	93.8	↓-2.7
4/20 02:10	91.3	↓-2.5
4/20 02:20	89.1	↓-2.2
4/20 02:30	87.0	↓-2.1
4/20 02:40	85.2	↓-1.8
4/20 02:50	83.7	↓-1.5
4/20 03:00	82.4	↓-1.3
4/20 03:10	81.5	↓-0.9
4/20 03:20	80.8	↓-0.7
4/20 03:30	80.5	↓-0.3	干潮
4/20 03:40	80.4	↓-0.1
4/20 03:50	80.7	↑0.3
4/20 04:00	81.3	↑0.6
4/20 04:10	82.3	↑1.0
4/20 04:20	83.5	↑1.2
4/20 04:30	85.0	↑1.5
4/20 04:40	86.9	↑1.9
4/20 04:50	89.0	↑2.1
4/20 05:00	91.4	↑2.4
4/20 05:10	94.0	↑2.6
4/20 05:20	96.8	↑2.8
4/20 05:30	99.9	↑3.1
4/20 05:40	103.1	↑3.2
4/20 05:50	106.6	↑3.5
4/20 06:00	110.1	↑3.5
4/20 06:10	113.7	↑3.6
4/20 06:20	117.5	↑3.8
4/20 06:30	121.2	↑3.7
4/20 06:40	125.0	↑3.8
4/20 06:50	128.8	↑3.8
4/20 07:00	132.5	↑3.7
4/20 07:10	136.2	↑3.7
4/20 07:20	139.8	↑3.6
4/20 07:30	143.2	↑3.4
4/20 07:40	146.5	↑3.3
4/20 07:50	149.6	↑3.1
4/20 08:00	152.5	↑2.9
4/20 08:10	155.1	↑2.6
4/20 08:20	157.6	↑2.5
4/20 08:30	159.7	↑2.1
4/20 08:40	161.6	↑1.9
4/20 08:50	163.1	↑1.5
4/20 09:00	164.3	↑1.2
4/20 09:10	165.2	↑0.9
4/20 09:20	165.8	↑0.6
4/20 09:30	166.0	↑0.2	満潮
4/20 09:40	165.9	↓-0.1
4/20 09:50	165.4	↓-0.5
4/20 10:00	164.5	↓-0.9
4/20 10:10	163.3	↓-1.2
4/20 10:20	161.7	↓-1.6
4/20 10:30	159.8	↓-1.9
4/20 10:40	157.6	↓-2.2
4/20 10:50	155.0	↓-2.6
4/20 11:00	152.1	↓-2.9
4/20 11:10	149.0	↓-3.1
4/20 11:20	145.5	↓-3.5
4/20 11:30	141.8	↓-3.7
4/20 11:40	137.8	↓-4.0
4/20 11:50	133.7	↓-4.1
4/20 12:00	129.3	↓-4.4
4/20 12:10	124.8	↓-4.5
4/20 12:20	120.1	↓-4.7
4/20 12:30	115.3	↓-4.8
4/20 12:40	110.4	↓-4.9
4/20 12:50	105.4	↓-5.0	最大潮位差
4/20 13:00	100.4	↓-5.0	最大潮位差
4/20 13:10	95.4	↓-5.0	最大潮位差
4/20 13:20	90.5	↓-4.9
4/20 13:30	85.5	↓-5.0	最大潮位差
4/20 13:40	80.7	↓-4.8
4/20 13:50	76.0	↓-4.7
4/20 14:00	71.4	↓-4.6
4/20 14:10	67.0	↓-4.4
4/20 14:20	62.8	↓-4.2
4/20 14:30	58.8	↓-4.0
4/20 14:40	55.1	↓-3.7
4/20 14:50	51.6	↓-3.5
4/20 15:00	48.4	↓-3.2
4/20 15:10	45.5	↓-2.9
4/20 15:20	43.0	↓-2.5
4/20 15:30	40.8	↓-2.2
4/20 15:40	38.9	↓-1.9
4/20 15:50	37.4	↓-1.5
4/20 16:00	36.2	↓-1.2
4/20 16:10	35.5	↓-0.7
4/20 16:20	35.1	↓-0.4	干潮
4/20 16:30	35.1	0
4/20 16:40	35.4	↑0.3
4/20 16:50	36.2	↑0.8
4/20 17:00	37.3	↑1.1
4/20 17:10	38.7	↑1.4
4/20 17:20	40.5	↑1.8
4/20 17:30	42.6	↑2.1
4/20 17:40	45.0	↑2.4
4/20 17:50	47.6	↑2.6
4/20 18:00	50.6	↑3.0
4/20 18:10	53.8	↑3.2
4/20 18:20	57.2	↑3.4
4/20 18:30	60.7	↑3.5
4/20 18:40	64.5	↑3.8
4/20 18:50	68.4	↑3.9
4/20 19:00	72.4	↑4.0
4/20 19:10	76.5	↑4.1
4/20 19:20	80.6	↑4.1
4/20 19:30	84.8	↑4.2
4/20 19:40	89.0	↑4.2
4/20 19:50	93.1	↑4.1
4/20 20:00	97.2	↑4.1
4/20 20:10	101.2	↑4.0
4/20 20:20	105.1	↑3.9
4/20 20:30	108.9	↑3.8
4/20 20:40	112.5	↑3.6
4/20 20:50	115.9	↑3.4
4/20 21:00	119.2	↑3.3
4/20 21:10	122.3	↑3.1
4/20 21:20	125.1	↑2.8
4/20 21:30	127.7	↑2.6
4/20 21:40	130.1	↑2.4
4/20 21:50	132.2	↑2.1
4/20 22:00	134.0	↑1.8
4/20 22:10	135.6	↑1.6
4/20 22:20	136.9	↑1.3
4/20 22:30	137.9	↑1.0
4/20 22:40	138.6	↑0.7
4/20 22:50	139.1	↑0.5
4/20 23:00	139.3	↑0.2	満潮
4/20 23:10	139.2	↓-0.1
4/20 23:20	138.9	↓-0.3
4/20 23:30	138.3	↓-0.6
4/20 23:40	137.5	↓-0.8
4/20 23:50	136.5	↓-1.0