20 (月)	09:30	03:35	22:53	16:18
	176cm	71cm	152cm	22cm
中潮 出 06:13 入 19:04 出 09:33 入 23:17 潮干狩り ○ 14:41～17:56

長山（沖縄）2037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	134.2	↓-3.8
4/20 00:10	130.3	↓-3.9
4/20 00:20	126.3	↓-4.0
4/20 00:30	122.2	↓-4.1
4/20 00:40	118.1	↓-4.1
4/20 00:50	113.9	↓-4.2
4/20 01:00	109.7	↓-4.2
4/20 01:10	105.6	↓-4.1
4/20 01:20	101.6	↓-4.0
4/20 01:30	97.8	↓-3.8
4/20 01:40	94.0	↓-3.8
4/20 01:50	90.5	↓-3.5
4/20 02:00	87.2	↓-3.3
4/20 02:10	84.1	↓-3.1
4/20 02:20	81.3	↓-2.8
4/20 02:30	78.8	↓-2.5
4/20 02:40	76.6	↓-2.2
4/20 02:50	74.7	↓-1.9
4/20 03:00	73.2	↓-1.5
4/20 03:10	72.1	↓-1.1
4/20 03:20	71.4	↓-0.7
4/20 03:30	71.0	↓-0.4	干潮
4/20 03:40	71.1	↑0.1
4/20 03:50	71.5	↑0.4
4/20 04:00	72.3	↑0.8
4/20 04:10	73.6	↑1.3
4/20 04:20	75.2	↑1.6
4/20 04:30	77.2	↑2.0
4/20 04:40	79.5	↑2.3
4/20 04:50	82.2	↑2.7
4/20 05:00	85.2	↑3.0
4/20 05:10	88.5	↑3.3
4/20 05:20	92.0	↑3.5
4/20 05:30	95.8	↑3.8
4/20 05:40	99.9	↑4.1
4/20 05:50	104.1	↑4.2
4/20 06:00	108.4	↑4.3
4/20 06:10	112.9	↑4.5
4/20 06:20	117.5	↑4.6
4/20 06:30	122.1	↑4.6
4/20 06:40	126.7	↑4.6
4/20 06:50	131.3	↑4.6
4/20 07:00	135.9	↑4.6
4/20 07:10	140.3	↑4.4
4/20 07:20	144.6	↑4.3
4/20 07:30	148.8	↑4.2
4/20 07:40	152.8	↑4.0
4/20 07:50	156.5	↑3.7
4/20 08:00	160.0	↑3.5
4/20 08:10	163.1	↑3.1
4/20 08:20	166.0	↑2.9
4/20 08:30	168.6	↑2.6
4/20 08:40	170.8	↑2.2
4/20 08:50	172.6	↑1.8
4/20 09:00	174.0	↑1.4
4/20 09:10	175.0	↑1.0
4/20 09:20	175.6	↑0.6	満潮
4/20 09:30	175.8	↑0.2	満潮
4/20 09:40	175.5	↓-0.3
4/20 09:50	174.8	↓-0.7
4/20 10:00	173.7	↓-1.1
4/20 10:10	172.1	↓-1.6
4/20 10:20	170.1	↓-2.0
4/20 10:30	167.7	↓-2.4
4/20 10:40	164.9	↓-2.8
4/20 10:50	161.8	↓-3.1
4/20 11:00	158.2	↓-3.6
4/20 11:10	154.3	↓-3.9
4/20 11:20	150.0	↓-4.3
4/20 11:30	145.5	↓-4.5
4/20 11:40	140.7	↓-4.8
4/20 11:50	135.6	↓-5.1
4/20 12:00	130.2	↓-5.4
4/20 12:10	124.7	↓-5.5
4/20 12:20	119.1	↓-5.6
4/20 12:30	113.3	↓-5.8
4/20 12:40	107.4	↓-5.9
4/20 12:50	101.4	↓-6.0	最大潮位差
4/20 13:00	95.5	↓-5.9
4/20 13:10	89.5	↓-6.0	最大潮位差
4/20 13:20	83.6	↓-5.9
4/20 13:30	77.8	↓-5.8
4/20 13:40	72.1	↓-5.7
4/20 13:50	66.6	↓-5.5
4/20 14:00	61.2	↓-5.4
4/20 14:10	56.1	↓-5.1
4/20 14:20	51.2	↓-4.9
4/20 14:30	46.7	↓-4.5
4/20 14:40	42.4	↓-4.3
4/20 14:50	38.5	↓-3.9
4/20 15:00	34.9	↓-3.6
4/20 15:10	31.8	↓-3.1
4/20 15:20	29.0	↓-2.8
4/20 15:30	26.7	↓-2.3
4/20 15:40	24.8	↓-1.9
4/20 15:50	23.3	↓-1.5
4/20 16:00	22.3	↓-1.0
4/20 16:10	21.7	↓-0.6	干潮
4/20 16:20	21.7	0
4/20 16:30	22.0	↑0.3
4/20 16:40	22.8	↑0.8
4/20 16:50	24.1	↑1.3
4/20 17:00	25.8	↑1.7
4/20 17:10	27.9	↑2.1
4/20 17:20	30.4	↑2.5
4/20 17:30	33.2	↑2.8
4/20 17:40	36.5	↑3.3
4/20 17:50	40.0	↑3.5
4/20 18:00	43.9	↑3.9
4/20 18:10	48.0	↑4.1
4/20 18:20	52.4	↑4.4
4/20 18:30	57.0	↑4.6
4/20 18:40	61.8	↑4.8
4/20 18:50	66.8	↑5.0
4/20 19:00	71.8	↑5.0
4/20 19:10	76.9	↑5.1
4/20 19:20	82.1	↑5.2
4/20 19:30	87.3	↑5.2
4/20 19:40	92.4	↑5.1
4/20 19:50	97.5	↑5.1
4/20 20:00	102.6	↑5.1
4/20 20:10	107.5	↑4.9
4/20 20:20	112.2	↑4.7
4/20 20:30	116.8	↑4.6
4/20 20:40	121.2	↑4.4
4/20 20:50	125.3	↑4.1
4/20 21:00	129.2	↑3.9
4/20 21:10	132.8	↑3.6
4/20 21:20	136.1	↑3.3
4/20 21:30	139.1	↑3.0
4/20 21:40	141.8	↑2.7
4/20 21:50	144.2	↑2.4
4/20 22:00	146.2	↑2.0
4/20 22:10	147.9	↑1.7
4/20 22:20	149.2	↑1.3
4/20 22:30	150.2	↑1.0
4/20 22:40	150.8	↑0.6
4/20 22:50	151.0	↑0.2	満潮
4/20 23:00	150.9	↓-0.1
4/20 23:10	150.5	↓-0.4
4/20 23:20	149.8	↓-0.7
4/20 23:30	148.7	↓-1.1
4/20 23:40	147.3	↓-1.4
4/20 23:50	145.7	↓-1.6