20 (金)	06:32	00:34	19:18	12:55
	189cm	40cm	189cm	5cm
大潮 出 06:13 入 19:04 出 18:41 入 05:21 潮干狩り ◎ 11:01～14:48

長山（沖縄）2046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	42.5	↓-2.0
4/20 00:10	40.9	↓-1.6
4/20 00:20	39.9	↓-1.0
4/20 00:30	39.5	↓-0.4	干潮
4/20 00:40	39.6	↑0.1
4/20 00:50	40.3	↑0.7
4/20 01:00	41.5	↑1.2
4/20 01:10	43.3	↑1.8
4/20 01:20	45.5	↑2.2
4/20 01:30	48.3	↑2.8
4/20 01:40	51.6	↑3.3
4/20 01:50	55.4	↑3.8
4/20 02:00	59.6	↑4.2
4/20 02:10	64.2	↑4.6
4/20 02:20	69.2	↑5.0
4/20 02:30	74.5	↑5.3
4/20 02:40	80.1	↑5.6
4/20 02:50	86.0	↑5.9
4/20 03:00	92.1	↑6.1
4/20 03:10	98.4	↑6.3
4/20 03:20	104.8	↑6.4
4/20 03:30	111.3	↑6.5
4/20 03:40	117.8	↑6.5
4/20 03:50	124.2	↑6.4
4/20 04:00	130.7	↑6.5
4/20 04:10	136.9	↑6.2
4/20 04:20	143.1	↑6.2
4/20 04:30	149.0	↑5.9
4/20 04:40	154.6	↑5.6
4/20 04:50	159.9	↑5.3
4/20 05:00	164.9	↑5.0
4/20 05:10	169.5	↑4.6
4/20 05:20	173.6	↑4.1
4/20 05:30	177.3	↑3.7
4/20 05:40	180.5	↑3.2
4/20 05:50	183.2	↑2.7
4/20 06:00	185.3	↑2.1
4/20 06:10	186.8	↑1.5
4/20 06:20	187.8	↑1.0
4/20 06:30	188.2	↑0.4	満潮
4/20 06:40	188.0	↓-0.2
4/20 06:50	187.2	↓-0.8
4/20 07:00	185.7	↓-1.5
4/20 07:10	183.7	↓-2.0
4/20 07:20	181.1	↓-2.6
4/20 07:30	177.9	↓-3.2
4/20 07:40	174.2	↓-3.7
4/20 07:50	170.0	↓-4.2
4/20 08:00	165.2	↓-4.8
4/20 08:10	160.0	↓-5.2
4/20 08:20	154.4	↓-5.6
4/20 08:30	148.4	↓-6.0
4/20 08:40	142.0	↓-6.4
4/20 08:50	135.3	↓-6.7
4/20 09:00	128.3	↓-7.0
4/20 09:10	121.1	↓-7.2
4/20 09:20	113.8	↓-7.3
4/20 09:30	106.3	↓-7.5
4/20 09:40	98.8	↓-7.5
4/20 09:50	91.2	↓-7.6	最大潮位差
4/20 10:00	83.7	↓-7.5
4/20 10:10	76.3	↓-7.4
4/20 10:20	69.0	↓-7.3
4/20 10:30	61.8	↓-7.2
4/20 10:40	55.0	↓-6.8
4/20 10:50	48.4	↓-6.6
4/20 11:00	42.1	↓-6.3
4/20 11:10	36.2	↓-5.9
4/20 11:20	30.7	↓-5.5
4/20 11:30	25.6	↓-5.1
4/20 11:40	21.0	↓-4.6
4/20 11:50	17.0	↓-4.0
4/20 12:00	13.4	↓-3.6
4/20 12:10	10.5	↓-2.9
4/20 12:20	8.1	↓-2.4
4/20 12:30	6.3	↓-1.8
4/20 12:40	5.1	↓-1.2
4/20 12:50	4.6	↓-0.5	干潮
4/20 13:00	4.7	↑0.1
4/20 13:10	5.4	↑0.7
4/20 13:20	6.7	↑1.3
4/20 13:30	8.6	↑1.9
4/20 13:40	11.1	↑2.5
4/20 13:50	14.2	↑3.1
4/20 14:00	17.8	↑3.6
4/20 14:10	22.0	↑4.2
4/20 14:20	26.7	↑4.7
4/20 14:30	31.9	↑5.2
4/20 14:40	37.5	↑5.6
4/20 14:50	43.5	↑6.0
4/20 15:00	49.9	↑6.4
4/20 15:10	56.6	↑6.7
4/20 15:20	63.5	↑6.9
4/20 15:30	70.7	↑7.2
4/20 15:40	78.0	↑7.3
4/20 15:50	85.5	↑7.5
4/20 16:00	93.1	↑7.6	最大潮位差
4/20 16:10	100.6	↑7.5
4/20 16:20	108.2	↑7.6	最大潮位差
4/20 16:30	115.6	↑7.4
4/20 16:40	123.0	↑7.4
4/20 16:50	130.1	↑7.1
4/20 17:00	137.0	↑6.9
4/20 17:10	143.6	↑6.6
4/20 17:20	149.9	↑6.3
4/20 17:30	155.9	↑6.0
4/20 17:40	161.4	↑5.5
4/20 17:50	166.5	↑5.1
4/20 18:00	171.1	↑4.6
4/20 18:10	175.2	↑4.1
4/20 18:20	178.8	↑3.6
4/20 18:30	181.9	↑3.1
4/20 18:40	184.3	↑2.4
4/20 18:50	186.2	↑1.9
4/20 19:00	187.5	↑1.3
4/20 19:10	188.2	↑0.7	満潮
4/20 19:20	188.3	↑0.1
4/20 19:30	187.8	↓-0.5
4/20 19:40	186.7	↓-1.1
4/20 19:50	185.0	↓-1.7
4/20 20:00	182.8	↓-2.2
4/20 20:10	180.1	↓-2.7
4/20 20:20	176.8	↓-3.3
4/20 20:30	173.1	↓-3.7
4/20 20:40	168.9	↓-4.2
4/20 20:50	164.3	↓-4.6
4/20 21:00	159.4	↓-4.9
4/20 21:10	154.1	↓-5.3
4/20 21:20	148.5	↓-5.6
4/20 21:30	142.7	↓-5.8
4/20 21:40	136.7	↓-6.0
4/20 21:50	130.6	↓-6.1
4/20 22:00	124.3	↓-6.3
4/20 22:10	118.0	↓-6.3
4/20 22:20	111.7	↓-6.3
4/20 22:30	105.5	↓-6.2
4/20 22:40	99.3	↓-6.2
4/20 22:50	93.3	↓-6.0
4/20 23:00	87.5	↓-5.8
4/20 23:10	81.9	↓-5.6
4/20 23:20	76.6	↓-5.3
4/20 23:30	71.7	↓-4.9
4/20 23:40	67.0	↓-4.7
4/20 23:50	62.8	↓-4.2