20 (月)	08:25	02:31	21:45	15:11
	195cm	64cm	165cm	-3cm
中潮 出 06:13 入 19:04 出 08:03 入 22:21 潮干狩り ◎ 13:02～17:23

長山（沖縄）2026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	110.5	↓-5.2
4/20 00:10	105.3	↓-5.2
4/20 00:20	100.3	↓-5.0
4/20 00:30	95.5	↓-4.8
4/20 00:40	90.9	↓-4.6
4/20 00:50	86.6	↓-4.3
4/20 01:00	82.5	↓-4.1
4/20 01:10	78.8	↓-3.7
4/20 01:20	75.4	↓-3.4
4/20 01:30	72.4	↓-3.0
4/20 01:40	69.8	↓-2.6
4/20 01:50	67.6	↓-2.2
4/20 02:00	65.9	↓-1.7
4/20 02:10	64.7	↓-1.2
4/20 02:20	63.9	↓-0.8
4/20 02:30	63.7	↓-0.2	干潮
4/20 02:40	63.9	↑0.2
4/20 02:50	64.6	↑0.7
4/20 03:00	65.8	↑1.2
4/20 03:10	67.5	↑1.7
4/20 03:20	69.7	↑2.2
4/20 03:30	72.3	↑2.6
4/20 03:40	75.4	↑3.1
4/20 03:50	78.8	↑3.4
4/20 04:00	82.7	↑3.9
4/20 04:10	86.9	↑4.2
4/20 04:20	91.5	↑4.6
4/20 04:30	96.3	↑4.8
4/20 04:40	101.4	↑5.1
4/20 04:50	106.8	↑5.4
4/20 05:00	112.3	↑5.5
4/20 05:10	117.9	↑5.6
4/20 05:20	123.7	↑5.8
4/20 05:30	129.4	↑5.7
4/20 05:40	135.2	↑5.8
4/20 05:50	141.0	↑5.8
4/20 06:00	146.6	↑5.6
4/20 06:10	152.2	↑5.6
4/20 06:20	157.5	↑5.3
4/20 06:30	162.6	↑5.1
4/20 06:40	167.5	↑4.9
4/20 06:50	172.1	↑4.6
4/20 07:00	176.3	↑4.2
4/20 07:10	180.1	↑3.8
4/20 07:20	183.6	↑3.5
4/20 07:30	186.6	↑3.0
4/20 07:40	189.1	↑2.5
4/20 07:50	191.2	↑2.1
4/20 08:00	192.7	↑1.5
4/20 08:10	193.7	↑1.0
4/20 08:20	194.2	↑0.5	満潮
4/20 08:30	194.1	↓-0.1
4/20 08:40	193.5	↓-0.6
4/20 08:50	192.3	↓-1.2
4/20 09:00	190.5	↓-1.8
4/20 09:10	188.2	↓-2.3
4/20 09:20	185.4	↓-2.8
4/20 09:30	182.0	↓-3.4
4/20 09:40	178.1	↓-3.9
4/20 09:50	173.7	↓-4.4
4/20 10:00	168.8	↓-4.9
4/20 10:10	163.5	↓-5.3
4/20 10:20	157.8	↓-5.7
4/20 10:30	151.7	↓-6.1
4/20 10:40	145.3	↓-6.4
4/20 10:50	138.5	↓-6.8
4/20 11:00	131.5	↓-7.0
4/20 11:10	124.2	↓-7.3
4/20 11:20	116.8	↓-7.4
4/20 11:30	109.3	↓-7.5
4/20 11:40	101.6	↓-7.7	最大潮位差
4/20 11:50	93.9	↓-7.7	最大潮位差
4/20 12:00	86.2	↓-7.7	最大潮位差
4/20 12:10	78.6	↓-7.6
4/20 12:20	71.1	↓-7.5
4/20 12:30	63.7	↓-7.4
4/20 12:40	56.5	↓-7.2
4/20 12:50	49.5	↓-7.0
4/20 13:00	42.8	↓-6.7
4/20 13:10	36.5	↓-6.3
4/20 13:20	30.5	↓-6.0
4/20 13:30	24.9	↓-5.6
4/20 13:40	19.7	↓-5.2
4/20 13:50	15.0	↓-4.7
4/20 14:00	10.7	↓-4.3
4/20 14:10	7.0	↓-3.7
4/20 14:20	3.8	↓-3.2
4/20 14:30	1.2	↓-2.6
4/20 14:40	-0.8	↓-2.0
4/20 14:50	-2.3	↓-1.5
4/20 15:00	-3.2	↓-0.9
4/20 15:10	-3.5	↓-0.3	干潮
4/20 15:20	-3.2	↑0.3
4/20 15:30	-2.4	↑0.8
4/20 15:40	-0.9	↑1.5
4/20 15:50	1.1	↑2.0
4/20 16:00	3.6	↑2.5
4/20 16:10	6.7	↑3.1
4/20 16:20	10.2	↑3.5
4/20 16:30	14.2	↑4.0
4/20 16:40	18.7	↑4.5
4/20 16:50	23.6	↑4.9
4/20 17:00	28.8	↑5.2
4/20 17:10	34.4	↑5.6
4/20 17:20	40.3	↑5.9
4/20 17:30	46.4	↑6.1
4/20 17:40	52.8	↑6.4
4/20 17:50	59.3	↑6.5
4/20 18:00	65.9	↑6.6
4/20 18:10	72.6	↑6.7
4/20 18:20	79.4	↑6.8
4/20 18:30	86.1	↑6.7
4/20 18:40	92.8	↑6.7
4/20 18:50	99.4	↑6.6
4/20 19:00	105.9	↑6.5
4/20 19:10	112.2	↑6.3
4/20 19:20	118.2	↑6.0
4/20 19:30	124.0	↑5.8
4/20 19:40	129.6	↑5.6
4/20 19:50	134.8	↑5.2
4/20 20:00	139.6	↑4.8
4/20 20:10	144.1	↑4.5
4/20 20:20	148.2	↑4.1
4/20 20:30	151.8	↑3.6
4/20 20:40	155.0	↑3.2
4/20 20:50	157.8	↑2.8
4/20 21:00	160.1	↑2.3
4/20 21:10	161.9	↑1.8
4/20 21:20	163.3	↑1.4
4/20 21:30	164.2	↑0.9
4/20 21:40	164.6	↑0.4	満潮
4/20 21:50	164.5	↓-0.1
4/20 22:00	164.0	↓-0.5
4/20 22:10	163.1	↓-0.9
4/20 22:20	161.7	↓-1.4
4/20 22:30	159.9	↓-1.8
4/20 22:40	157.8	↓-2.1
4/20 22:50	155.3	↓-2.5
4/20 23:00	152.4	↓-2.9
4/20 23:10	149.3	↓-3.1
4/20 23:20	145.9	↓-3.4
4/20 23:30	142.2	↓-3.7
4/20 23:40	138.4	↓-3.8
4/20 23:50	134.4	↓-4.0