20 (火)	08:55	03:00	22:24	15:49
	176cm	79cm	144cm	24cm
中潮 出 06:13 入 19:04 出 23:06 入 08:49 潮干狩り ○ 14:16～17:24

長山（沖縄）2060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	121.0	↓-3.5
4/20 00:10	117.4	↓-3.6
4/20 00:20	113.8	↓-3.6
4/20 00:30	110.3	↓-3.5
4/20 00:40	106.8	↓-3.5
4/20 00:50	103.3	↓-3.5
4/20 01:00	100.0	↓-3.3
4/20 01:10	96.8	↓-3.2
4/20 01:20	93.8	↓-3.0
4/20 01:30	91.0	↓-2.8
4/20 01:40	88.4	↓-2.6
4/20 01:50	86.0	↓-2.4
4/20 02:00	83.9	↓-2.1
4/20 02:10	82.1	↓-1.8
4/20 02:20	80.6	↓-1.5
4/20 02:30	79.5	↓-1.1
4/20 02:40	78.6	↓-0.9
4/20 02:50	78.1	↓-0.5	干潮
4/20 03:00	78.0	↓-0.1	干潮
4/20 03:10	78.2	↑0.2
4/20 03:20	78.8	↑0.6
4/20 03:30	79.8	↑1.0
4/20 03:40	81.1	↑1.3
4/20 03:50	82.7	↑1.6
4/20 04:00	84.7	↑2.0
4/20 04:10	87.0	↑2.3
4/20 04:20	89.6	↑2.6
4/20 04:30	92.4	↑2.8
4/20 04:40	95.6	↑3.2
4/20 04:50	99.0	↑3.4
4/20 05:00	102.6	↑3.6
4/20 05:10	106.4	↑3.8
4/20 05:20	110.4	↑4.0
4/20 05:30	114.5	↑4.1
4/20 05:40	118.7	↑4.2
4/20 05:50	123.0	↑4.3
4/20 06:00	127.3	↑4.3
4/20 06:10	131.6	↑4.3
4/20 06:20	135.9	↑4.3
4/20 06:30	140.1	↑4.2
4/20 06:40	144.2	↑4.1
4/20 06:50	148.1	↑3.9
4/20 07:00	152.0	↑3.9
4/20 07:10	155.6	↑3.6
4/20 07:20	159.0	↑3.4
4/20 07:30	162.1	↑3.1
4/20 07:40	165.0	↑2.9
4/20 07:50	167.5	↑2.5
4/20 08:00	169.7	↑2.2
4/20 08:10	171.6	↑1.9
4/20 08:20	173.1	↑1.5
4/20 08:30	174.3	↑1.2
4/20 08:40	175.0	↑0.7
4/20 08:50	175.4	↑0.4	満潮
4/20 09:00	175.3	↓-0.1
4/20 09:10	174.9	↓-0.4
4/20 09:20	174.0	↓-0.9
4/20 09:30	172.7	↓-1.3
4/20 09:40	171.0	↓-1.7
4/20 09:50	168.9	↓-2.1
4/20 10:00	166.4	↓-2.5
4/20 10:10	163.5	↓-2.9
4/20 10:20	160.3	↓-3.2
4/20 10:30	156.7	↓-3.6
4/20 10:40	152.8	↓-3.9
4/20 10:50	148.5	↓-4.3
4/20 11:00	144.0	↓-4.5
4/20 11:10	139.2	↓-4.8
4/20 11:20	134.2	↓-5.0
4/20 11:30	129.0	↓-5.2
4/20 11:40	123.6	↓-5.4
4/20 11:50	118.1	↓-5.5
4/20 12:00	112.4	↓-5.7
4/20 12:10	106.7	↓-5.7
4/20 12:20	100.9	↓-5.8	最大潮位差
4/20 12:30	95.1	↓-5.8	最大潮位差
4/20 12:40	89.3	↓-5.8	最大潮位差
4/20 12:50	83.6	↓-5.7
4/20 13:00	78.0	↓-5.6
4/20 13:10	72.5	↓-5.5
4/20 13:20	67.2	↓-5.3
4/20 13:30	62.1	↓-5.1
4/20 13:40	57.1	↓-5.0
4/20 13:50	52.5	↓-4.6
4/20 14:00	48.1	↓-4.4
4/20 14:10	44.0	↓-4.1
4/20 14:20	40.2	↓-3.8
4/20 14:30	36.8	↓-3.4
4/20 14:40	33.8	↓-3.0
4/20 14:50	31.1	↓-2.7
4/20 15:00	28.9	↓-2.2
4/20 15:10	27.0	↓-1.9
4/20 15:20	25.6	↓-1.4
4/20 15:30	24.6	↓-1.0
4/20 15:40	24.0	↓-0.6	干潮
4/20 15:50	23.9	↓-0.1
4/20 16:00	24.2	↑0.3
4/20 16:10	24.9	↑0.7
4/20 16:20	26.0	↑1.1
4/20 16:30	27.6	↑1.6
4/20 16:40	29.5	↑1.9
4/20 16:50	31.8	↑2.3
4/20 17:00	34.5	↑2.7
4/20 17:10	37.5	↑3.0
4/20 17:20	40.8	↑3.3
4/20 17:30	44.3	↑3.5
4/20 17:40	48.2	↑3.9
4/20 17:50	52.3	↑4.1
4/20 18:00	56.5	↑4.2
4/20 18:10	61.0	↑4.5
4/20 18:20	65.5	↑4.5
4/20 18:30	70.2	↑4.7
4/20 18:40	75.0	↑4.8
4/20 18:50	79.8	↑4.8
4/20 19:00	84.6	↑4.8
4/20 19:10	89.3	↑4.7
4/20 19:20	94.1	↑4.8
4/20 19:30	98.7	↑4.6
4/20 19:40	103.2	↑4.5
4/20 19:50	107.6	↑4.4
4/20 20:00	111.8	↑4.2
4/20 20:10	115.8	↑4.0
4/20 20:20	119.7	↑3.9
4/20 20:30	123.2	↑3.5
4/20 20:40	126.5	↑3.3
4/20 20:50	129.6	↑3.1
4/20 21:00	132.3	↑2.7
4/20 21:10	134.8	↑2.5
4/20 21:20	137.0	↑2.2
4/20 21:30	138.8	↑1.8
4/20 21:40	140.3	↑1.5
4/20 21:50	141.5	↑1.2
4/20 22:00	142.4	↑0.9
4/20 22:10	142.9	↑0.5
4/20 22:20	143.2	↑0.3	満潮
4/20 22:30	143.1	↓-0.1
4/20 22:40	142.7	↓-0.4
4/20 22:50	142.0	↓-0.7
4/20 23:00	141.1	↓-0.9
4/20 23:10	139.9	↓-1.2
4/20 23:20	138.4	↓-1.5
4/20 23:30	136.8	↓-1.6
4/20 23:40	134.9	↓-1.9
4/20 23:50	132.8	↓-2.1