20 (水)	07:04	01:06	19:47	13:24
	190cm	37cm	192cm	4cm
大潮 出 06:13 入 19:04 出 06:06 入 19:18 潮干狩り ◎ 11:29～15:18

長山（沖縄）2061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	48.1	↓-3.7
4/20 00:10	44.8	↓-3.3
4/20 00:20	42.0	↓-2.8
4/20 00:30	39.8	↓-2.2
4/20 00:40	38.1	↓-1.7
4/20 00:50	37.0	↓-1.1
4/20 01:00	36.5	↓-0.5	干潮
4/20 01:10	36.5	0
4/20 01:20	37.1	↑0.6
4/20 01:30	38.3	↑1.2
4/20 01:40	40.0	↑1.7
4/20 01:50	42.3	↑2.3
4/20 02:00	45.1	↑2.8
4/20 02:10	48.4	↑3.3
4/20 02:20	52.2	↑3.8
4/20 02:30	56.5	↑4.3
4/20 02:40	61.2	↑4.7
4/20 02:50	66.3	↑5.1
4/20 03:00	71.8	↑5.5
4/20 03:10	77.6	↑5.8
4/20 03:20	83.6	↑6.0
4/20 03:30	89.9	↑6.3
4/20 03:40	96.3	↑6.4
4/20 03:50	102.9	↑6.6
4/20 04:00	109.6	↑6.7
4/20 04:10	116.3	↑6.7
4/20 04:20	123.0	↑6.7
4/20 04:30	129.6	↑6.6
4/20 04:40	136.1	↑6.5
4/20 04:50	142.4	↑6.3
4/20 05:00	148.5	↑6.1
4/20 05:10	154.3	↑5.8
4/20 05:20	159.8	↑5.5
4/20 05:30	164.9	↑5.1
4/20 05:40	169.7	↑4.8
4/20 05:50	174.0	↑4.3
4/20 06:00	177.9	↑3.9
4/20 06:10	181.2	↑3.3
4/20 06:20	184.0	↑2.8
4/20 06:30	186.3	↑2.3
4/20 06:40	187.9	↑1.6
4/20 06:50	189.0	↑1.1
4/20 07:00	189.5	↑0.5	満潮
4/20 07:10	189.3	↓-0.2
4/20 07:20	188.6	↓-0.7
4/20 07:30	187.2	↓-1.4
4/20 07:40	185.2	↓-2.0
4/20 07:50	182.6	↓-2.6
4/20 08:00	179.5	↓-3.1
4/20 08:10	175.7	↓-3.8
4/20 08:20	171.5	↓-4.2
4/20 08:30	166.7	↓-4.8
4/20 08:40	161.4	↓-5.3
4/20 08:50	155.7	↓-5.7
4/20 09:00	149.6	↓-6.1
4/20 09:10	143.1	↓-6.5
4/20 09:20	136.3	↓-6.8
4/20 09:30	129.3	↓-7.0
4/20 09:40	122.0	↓-7.3
4/20 09:50	114.5	↓-7.5
4/20 10:00	106.9	↓-7.6
4/20 10:10	99.2	↓-7.7
4/20 10:20	91.5	↓-7.7
4/20 10:30	83.8	↓-7.7
4/20 10:40	76.2	↓-7.6
4/20 10:50	68.7	↓-7.5
4/20 11:00	61.5	↓-7.2
4/20 11:10	54.4	↓-7.1
4/20 11:20	47.7	↓-6.7
4/20 11:30	41.3	↓-6.4
4/20 11:40	35.2	↓-6.1
4/20 11:50	29.6	↓-5.6
4/20 12:00	24.4	↓-5.2
4/20 12:10	19.8	↓-4.6
4/20 12:20	15.6	↓-4.2
4/20 12:30	12.1	↓-3.5
4/20 12:40	9.0	↓-3.1
4/20 12:50	6.6	↓-2.4
4/20 13:00	4.8	↓-1.8
4/20 13:10	3.7	↓-1.1
4/20 13:20	3.1	↓-0.6	干潮
4/20 13:30	3.3	↑0.2
4/20 13:40	4.0	↑0.7
4/20 13:50	5.4	↑1.4
4/20 14:00	7.4	↑2.0
4/20 14:10	10.0	↑2.6
4/20 14:20	13.2	↑3.2
4/20 14:30	17.0	↑3.8
4/20 14:40	21.4	↑4.4
4/20 14:50	26.2	↑4.8
4/20 15:00	31.6	↑5.4
4/20 15:10	37.3	↑5.7
4/20 15:20	43.5	↑6.2
4/20 15:30	50.1	↑6.6
4/20 15:40	56.9	↑6.8
4/20 15:50	64.1	↑7.2
4/20 16:00	71.4	↑7.3
4/20 16:10	79.0	↑7.6
4/20 16:20	86.6	↑7.6
4/20 16:30	94.4	↑7.8	最大潮位差
4/20 16:40	102.1	↑7.7
4/20 16:50	109.8	↑7.7
4/20 17:00	117.4	↑7.6
4/20 17:10	124.9	↑7.5
4/20 17:20	132.2	↑7.3
4/20 17:30	139.2	↑7.0
4/20 17:40	146.0	↑6.8
4/20 17:50	152.4	↑6.4
4/20 18:00	158.4	↑6.0
4/20 18:10	164.0	↑5.6
4/20 18:20	169.2	↑5.2
4/20 18:30	173.9	↑4.7
4/20 18:40	178.0	↑4.1
4/20 18:50	181.6	↑3.6
4/20 19:00	184.7	↑3.1
4/20 19:10	187.1	↑2.4
4/20 19:20	189.0	↑1.9
4/20 19:30	190.3	↑1.3
4/20 19:40	190.9	↑0.6	満潮
4/20 19:50	191.0	↑0.1
4/20 20:00	190.4	↓-0.6
4/20 20:10	189.2	↓-1.2
4/20 20:20	187.5	↓-1.7
4/20 20:30	185.2	↓-2.3
4/20 20:40	182.3	↓-2.9
4/20 20:50	179.0	↓-3.3
4/20 21:00	175.1	↓-3.9
4/20 21:10	170.8	↓-4.3
4/20 21:20	166.1	↓-4.7
4/20 21:30	161.0	↓-5.1
4/20 21:40	155.5	↓-5.5
4/20 21:50	149.8	↓-5.7
4/20 22:00	143.8	↓-6.0
4/20 22:10	137.6	↓-6.2
4/20 22:20	131.3	↓-6.3
4/20 22:30	124.8	↓-6.5
4/20 22:40	118.4	↓-6.4
4/20 22:50	111.9	↓-6.5
4/20 23:00	105.4	↓-6.5
4/20 23:10	99.1	↓-6.3
4/20 23:20	92.9	↓-6.2
4/20 23:30	86.9	↓-6.0
4/20 23:40	81.2	↓-5.7
4/20 23:50	75.7	↓-5.5