20 (水)	09:58	04:02	23:35	16:53
	169cm	80cm	144cm	31cm
中潮 出 06:13 入 19:04 出 23:51 入 10:10 潮干狩り ○ 15:37～18:09

長山（沖縄）2033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	139.0	↓-2.4
4/20 00:10	136.3	↓-2.7
4/20 00:20	133.5	↓-2.8
4/20 00:30	130.5	↓-3.0
4/20 00:40	127.3	↓-3.2
4/20 00:50	124.1	↓-3.2
4/20 01:00	120.7	↓-3.4
4/20 01:10	117.4	↓-3.3
4/20 01:20	114.0	↓-3.4
4/20 01:30	110.6	↓-3.4
4/20 01:40	107.3	↓-3.3
4/20 01:50	104.0	↓-3.3
4/20 02:00	100.8	↓-3.2
4/20 02:10	97.8	↓-3.0
4/20 02:20	94.9	↓-2.9
4/20 02:30	92.2	↓-2.7
4/20 02:40	89.7	↓-2.5
4/20 02:50	87.4	↓-2.3
4/20 03:00	85.4	↓-2.0
4/20 03:10	83.7	↓-1.7
4/20 03:20	82.2	↓-1.5
4/20 03:30	81.0	↓-1.2
4/20 03:40	80.2	↓-0.8
4/20 03:50	79.6	↓-0.6
4/20 04:00	79.4	↓-0.2	干潮
4/20 04:10	79.6	↑0.2
4/20 04:20	80.0	↑0.4
4/20 04:30	80.8	↑0.8
4/20 04:40	81.9	↑1.1
4/20 04:50	83.4	↑1.5
4/20 05:00	85.1	↑1.7
4/20 05:10	87.2	↑2.1
4/20 05:20	89.5	↑2.3
4/20 05:30	92.1	↑2.6
4/20 05:40	94.9	↑2.8
4/20 05:50	98.0	↑3.1
4/20 06:00	101.3	↑3.3
4/20 06:10	104.7	↑3.4
4/20 06:20	108.3	↑3.6
4/20 06:30	112.1	↑3.8
4/20 06:40	115.9	↑3.8
4/20 06:50	119.7	↑3.8
4/20 07:00	123.7	↑4.0
4/20 07:10	127.6	↑3.9
4/20 07:20	131.5	↑3.9
4/20 07:30	135.3	↑3.8
4/20 07:40	139.0	↑3.7
4/20 07:50	142.7	↑3.7
4/20 08:00	146.1	↑3.4
4/20 08:10	149.4	↑3.3
4/20 08:20	152.6	↑3.2
4/20 08:30	155.4	↑2.8
4/20 08:40	158.1	↑2.7
4/20 08:50	160.4	↑2.3
4/20 09:00	162.5	↑2.1
4/20 09:10	164.3	↑1.8
4/20 09:20	165.8	↑1.5
4/20 09:30	166.9	↑1.1
4/20 09:40	167.7	↑0.8
4/20 09:50	168.1	↑0.4	満潮
4/20 10:00	168.1	0
4/20 10:10	167.8	↓-0.3
4/20 10:20	167.2	↓-0.6
4/20 10:30	166.1	↓-1.1
4/20 10:40	164.7	↓-1.4
4/20 10:50	163.0	↓-1.7
4/20 11:00	160.8	↓-2.2
4/20 11:10	158.4	↓-2.4
4/20 11:20	155.6	↓-2.8
4/20 11:30	152.5	↓-3.1
4/20 11:40	149.1	↓-3.4
4/20 11:50	145.4	↓-3.7
4/20 12:00	141.4	↓-4.0
4/20 12:10	137.2	↓-4.2
4/20 12:20	132.8	↓-4.4
4/20 12:30	128.1	↓-4.7
4/20 12:40	123.3	↓-4.8
4/20 12:50	118.4	↓-4.9
4/20 13:00	113.4	↓-5.0
4/20 13:10	108.2	↓-5.2	最大潮位差
4/20 13:20	103.0	↓-5.2	最大潮位差
4/20 13:30	97.8	↓-5.2	最大潮位差
4/20 13:40	92.6	↓-5.2	最大潮位差
4/20 13:50	87.4	↓-5.2	最大潮位差
4/20 14:00	82.3	↓-5.1
4/20 14:10	77.2	↓-5.1
4/20 14:20	72.3	↓-4.9
4/20 14:30	67.6	↓-4.7
4/20 14:40	63.0	↓-4.6
4/20 14:50	58.7	↓-4.3
4/20 15:00	54.6	↓-4.1
4/20 15:10	50.8	↓-3.8
4/20 15:20	47.2	↓-3.6
4/20 15:30	44.0	↓-3.2
4/20 15:40	41.1	↓-2.9
4/20 15:50	38.5	↓-2.6
4/20 16:00	36.3	↓-2.2
4/20 16:10	34.5	↓-1.8
4/20 16:20	33.0	↓-1.5
4/20 16:30	31.9	↓-1.1
4/20 16:40	31.3	↓-0.6
4/20 16:50	31.0	↓-0.3	干潮
4/20 17:00	31.1	↑0.1
4/20 17:10	31.6	↑0.5
4/20 17:20	32.5	↑0.9
4/20 17:30	33.8	↑1.3
4/20 17:40	35.4	↑1.6
4/20 17:50	37.4	↑2.0
4/20 18:00	39.7	↑2.3
4/20 18:10	42.3	↑2.6
4/20 18:20	45.2	↑2.9
4/20 18:30	48.4	↑3.2
4/20 18:40	51.9	↑3.5
4/20 18:50	55.5	↑3.6
4/20 19:00	59.4	↑3.9
4/20 19:10	63.4	↑4.0
4/20 19:20	67.6	↑4.2
4/20 19:30	71.8	↑4.2
4/20 19:40	76.2	↑4.4
4/20 19:50	80.6	↑4.4
4/20 20:00	85.1	↑4.5
4/20 20:10	89.5	↑4.4
4/20 20:20	93.9	↑4.4
4/20 20:30	98.3	↑4.4
4/20 20:40	102.5	↑4.2
4/20 20:50	106.7	↑4.2
4/20 21:00	110.7	↑4.0
4/20 21:10	114.6	↑3.9
4/20 21:20	118.3	↑3.7
4/20 21:30	121.8	↑3.5
4/20 21:40	125.1	↑3.3
4/20 21:50	128.1	↑3.0
4/20 22:00	130.9	↑2.8
4/20 22:10	133.5	↑2.6
4/20 22:20	135.7	↑2.2
4/20 22:30	137.7	↑2.0
4/20 22:40	139.4	↑1.7
4/20 22:50	140.9	↑1.5
4/20 23:00	142.0	↑1.1
4/20 23:10	142.8	↑0.8
4/20 23:20	143.4	↑0.6
4/20 23:30	143.6	↑0.2	満潮
4/20 23:40	143.6	0
4/20 23:50	143.3	↓-0.3