20 (水)	08:35	02:25	20:44	14:35
	172cm	2cm	183cm	18cm
中潮 出 07:10 入 18:37 出 20:44 入 08:03 潮干狩り ◎ 13:01～16:08

長山（沖縄）2030年02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
2/20 00:00	59.2	↓-7.1
2/20 00:10	52.3	↓-6.9
2/20 00:20	45.6	↓-6.7
2/20 00:30	39.3	↓-6.3
2/20 00:40	33.4	↓-5.9
2/20 00:50	27.9	↓-5.5
2/20 01:00	22.8	↓-5.1
2/20 01:10	18.2	↓-4.6
2/20 01:20	14.2	↓-4.0
2/20 01:30	10.7	↓-3.5
2/20 01:40	7.7	↓-3.0
2/20 01:50	5.3	↓-2.4
2/20 02:00	3.6	↓-1.7
2/20 02:10	2.4	↓-1.2
2/20 02:20	1.9	↓-0.5	干潮
2/20 02:30	1.9	0
2/20 02:40	2.6	↑0.7
2/20 02:50	4.0	↑1.4
2/20 03:00	5.9	↑1.9
2/20 03:10	8.4	↑2.5
2/20 03:20	11.5	↑3.1
2/20 03:30	15.1	↑3.6
2/20 03:40	19.2	↑4.1
2/20 03:50	23.8	↑4.6
2/20 04:00	28.9	↑5.1
2/20 04:10	34.4	↑5.5
2/20 04:20	40.3	↑5.9
2/20 04:30	46.5	↑6.2
2/20 04:40	53.0	↑6.5
2/20 04:50	59.7	↑6.7
2/20 05:00	66.6	↑6.9
2/20 05:10	73.7	↑7.1
2/20 05:20	80.9	↑7.2	最大潮位差
2/20 05:30	88.1	↑7.2	最大潮位差
2/20 05:40	95.2	↑7.1
2/20 05:50	102.4	↑7.2	最大潮位差
2/20 06:00	109.4	↑7.0
2/20 06:10	116.2	↑6.8
2/20 06:20	122.8	↑6.6
2/20 06:30	129.2	↑6.4
2/20 06:40	135.2	↑6.0
2/20 06:50	140.9	↑5.7
2/20 07:00	146.3	↑5.4
2/20 07:10	151.1	↑4.8
2/20 07:20	155.6	↑4.5
2/20 07:30	159.5	↑3.9
2/20 07:40	162.9	↑3.4
2/20 07:50	165.8	↑2.9
2/20 08:00	168.1	↑2.3
2/20 08:10	169.9	↑1.8
2/20 08:20	171.0	↑1.1
2/20 08:30	171.6	↑0.6	満潮
2/20 08:40	171.6	0
2/20 08:50	170.9	↓-0.7
2/20 09:00	169.7	↓-1.2
2/20 09:10	167.9	↓-1.8
2/20 09:20	165.6	↓-2.3
2/20 09:30	162.7	↓-2.9
2/20 09:40	159.3	↓-3.4
2/20 09:50	155.4	↓-3.9
2/20 10:00	151.0	↓-4.4
2/20 10:10	146.3	↓-4.7
2/20 10:20	141.1	↓-5.2
2/20 10:30	135.6	↓-5.5
2/20 10:40	129.7	↓-5.9
2/20 10:50	123.6	↓-6.1
2/20 11:00	117.3	↓-6.3
2/20 11:10	110.8	↓-6.5
2/20 11:20	104.2	↓-6.6
2/20 11:30	97.5	↓-6.7
2/20 11:40	90.8	↓-6.7
2/20 11:50	84.1	↓-6.7
2/20 12:00	77.5	↓-6.6
2/20 12:10	71.1	↓-6.4
2/20 12:20	64.8	↓-6.3
2/20 12:30	58.7	↓-6.1
2/20 12:40	52.9	↓-5.8
2/20 12:50	47.5	↓-5.4
2/20 13:00	42.3	↓-5.2
2/20 13:10	37.6	↓-4.7
2/20 13:20	33.3	↓-4.3
2/20 13:30	29.5	↓-3.8
2/20 13:40	26.2	↓-3.3
2/20 13:50	23.4	↓-2.8
2/20 14:00	21.1	↓-2.3
2/20 14:10	19.4	↓-1.7
2/20 14:20	18.3	↓-1.1
2/20 14:30	17.8	↓-0.5	干潮
2/20 14:40	17.8	0
2/20 14:50	18.4	↑0.6
2/20 15:00	19.7	↑1.3
2/20 15:10	21.5	↑1.8
2/20 15:20	23.8	↑2.3
2/20 15:30	26.7	↑2.9
2/20 15:40	30.2	↑3.5
2/20 15:50	34.1	↑3.9
2/20 16:00	38.6	↑4.5
2/20 16:10	43.5	↑4.9
2/20 16:20	48.7	↑5.2
2/20 16:30	54.4	↑5.7
2/20 16:40	60.4	↑6.0
2/20 16:50	66.7	↑6.3
2/20 17:00	73.2	↑6.5
2/20 17:10	79.9	↑6.7
2/20 17:20	86.8	↑6.9
2/20 17:30	93.7	↑6.9
2/20 17:40	100.7	↑7.0
2/20 17:50	107.7	↑7.0
2/20 18:00	114.7	↑7.0
2/20 18:10	121.5	↑6.8
2/20 18:20	128.2	↑6.7
2/20 18:30	134.7	↑6.5
2/20 18:40	140.9	↑6.2
2/20 18:50	146.9	↑6.0
2/20 19:00	152.5	↑5.6
2/20 19:10	157.7	↑5.2
2/20 19:20	162.5	↑4.8
2/20 19:30	166.8	↑4.3
2/20 19:40	170.7	↑3.9
2/20 19:50	174.0	↑3.3
2/20 20:00	176.9	↑2.9
2/20 20:10	179.1	↑2.2
2/20 20:20	180.8	↑1.7
2/20 20:30	181.9	↑1.1
2/20 20:40	182.4	↑0.5	満潮
2/20 20:50	182.3	↓-0.1
2/20 21:00	181.6	↓-0.7
2/20 21:10	180.3	↓-1.3
2/20 21:20	178.4	↓-1.9
2/20 21:30	175.9	↓-2.5
2/20 21:40	172.9	↓-3.0
2/20 21:50	169.3	↓-3.6
2/20 22:00	165.3	↓-4.0
2/20 22:10	160.7	↓-4.6
2/20 22:20	155.7	↓-5.0
2/20 22:30	150.3	↓-5.4
2/20 22:40	144.5	↓-5.8
2/20 22:50	138.4	↓-6.1
2/20 23:00	131.9	↓-6.5
2/20 23:10	125.2	↓-6.7
2/20 23:20	118.4	↓-6.8
2/20 23:30	111.3	↓-7.1
2/20 23:40	104.2	↓-7.1
2/20 23:50	97.0	↓-7.2	最大潮位差