20 (土)	04:33	10:36	16:29	22:48
	150cm	75cm	149cm	54cm
若潮 出 06:14 入 19:04 出 03:09 入 15:00

長山（沖縄）2047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	74.0	↑3.0
4/20 00:10	77.2	↑3.2
4/20 00:20	80.5	↑3.3
4/20 00:30	84.0	↑3.5
4/20 00:40	87.6	↑3.6
4/20 00:50	91.3	↑3.7
4/20 01:00	95.0	↑3.7
4/20 01:10	98.8	↑3.8
4/20 01:20	102.7	↑3.9
4/20 01:30	106.5	↑3.8
4/20 01:40	110.3	↑3.8
4/20 01:50	114.0	↑3.7
4/20 02:00	117.7	↑3.7
4/20 02:10	121.3	↑3.6
4/20 02:20	124.7	↑3.4
4/20 02:30	128.0	↑3.3
4/20 02:40	131.1	↑3.1
4/20 02:50	134.0	↑2.9
4/20 03:00	136.8	↑2.8
4/20 03:10	139.2	↑2.4
4/20 03:20	141.5	↑2.3
4/20 03:30	143.5	↑2.0
4/20 03:40	145.2	↑1.7
4/20 03:50	146.6	↑1.4
4/20 04:00	147.7	↑1.1
4/20 04:10	148.5	↑0.8
4/20 04:20	149.1	↑0.6
4/20 04:30	149.3	↑0.2	満潮
4/20 04:40	149.2	↓-0.1
4/20 04:50	148.8	↓-0.4
4/20 05:00	148.1	↓-0.7
4/20 05:10	147.2	↓-0.9
4/20 05:20	145.9	↓-1.3
4/20 05:30	144.4	↓-1.5
4/20 05:40	142.7	↓-1.7
4/20 05:50	140.7	↓-2.0
4/20 06:00	138.5	↓-2.2
4/20 06:10	136.1	↓-2.4
4/20 06:20	133.5	↓-2.6
4/20 06:30	130.8	↓-2.7
4/20 06:40	127.9	↓-2.9
4/20 06:50	124.9	↓-3.0
4/20 07:00	121.8	↓-3.1
4/20 07:10	118.6	↓-3.2
4/20 07:20	115.4	↓-3.2
4/20 07:30	112.2	↓-3.2
4/20 07:40	109.0	↓-3.2
4/20 07:50	105.8	↓-3.2
4/20 08:00	102.7	↓-3.1
4/20 08:10	99.6	↓-3.1
4/20 08:20	96.6	↓-3.0
4/20 08:30	93.8	↓-2.8
4/20 08:40	91.1	↓-2.7
4/20 08:50	88.5	↓-2.6
4/20 09:00	86.1	↓-2.4
4/20 09:10	83.9	↓-2.2
4/20 09:20	81.9	↓-2.0
4/20 09:30	80.1	↓-1.8
4/20 09:40	78.5	↓-1.6
4/20 09:50	77.2	↓-1.3
4/20 10:00	76.1	↓-1.1
4/20 10:10	75.3	↓-0.8
4/20 10:20	74.8	↓-0.5
4/20 10:30	74.5	↓-0.3	干潮
4/20 10:40	74.5	0
4/20 10:50	74.7	↑0.2
4/20 11:00	75.3	↑0.6
4/20 11:10	76.1	↑0.8
4/20 11:20	77.1	↑1.0
4/20 11:30	78.4	↑1.3
4/20 11:40	80.0	↑1.6
4/20 11:50	81.8	↑1.8
4/20 12:00	83.8	↑2.0
4/20 12:10	86.1	↑2.3
4/20 12:20	88.5	↑2.4
4/20 12:30	91.1	↑2.6
4/20 12:40	93.9	↑2.8
4/20 12:50	96.8	↑2.9
4/20 13:00	99.9	↑3.1
4/20 13:10	103.0	↑3.1
4/20 13:20	106.2	↑3.2
4/20 13:30	109.4	↑3.2
4/20 13:40	112.7	↑3.3
4/20 13:50	116.0	↑3.3
4/20 14:00	119.2	↑3.2
4/20 14:10	122.4	↑3.2
4/20 14:20	125.5	↑3.1
4/20 14:30	128.5	↑3.0
4/20 14:40	131.3	↑2.8
4/20 14:50	134.0	↑2.7
4/20 15:00	136.6	↑2.6
4/20 15:10	138.9	↑2.3
4/20 15:20	141.0	↑2.1
4/20 15:30	142.8	↑1.8
4/20 15:40	144.4	↑1.6
4/20 15:50	145.7	↑1.3
4/20 16:00	146.7	↑1.0
4/20 16:10	147.5	↑0.8
4/20 16:20	147.9	↑0.4	満潮
4/20 16:30	148.0	↑0.1
4/20 16:40	147.8	↓-0.2
4/20 16:50	147.3	↓-0.5
4/20 17:00	146.4	↓-0.9
4/20 17:10	145.3	↓-1.1
4/20 17:20	143.8	↓-1.5
4/20 17:30	142.1	↓-1.7
4/20 17:40	140.0	↓-2.1
4/20 17:50	137.7	↓-2.3
4/20 18:00	135.1	↓-2.6
4/20 18:10	132.3	↓-2.8
4/20 18:20	129.3	↓-3.0
4/20 18:30	126.1	↓-3.2
4/20 18:40	122.7	↓-3.4
4/20 18:50	119.2	↓-3.5
4/20 19:00	115.5	↓-3.7
4/20 19:10	111.7	↓-3.8
4/20 19:20	107.9	↓-3.8
4/20 19:30	104.0	↓-3.9
4/20 19:40	100.0	↓-4.0	最大潮位差
4/20 19:50	96.1	↓-3.9
4/20 20:00	92.2	↓-3.9
4/20 20:10	88.4	↓-3.8
4/20 20:20	84.7	↓-3.7
4/20 20:30	81.0	↓-3.7
4/20 20:40	77.5	↓-3.5
4/20 20:50	74.2	↓-3.3
4/20 21:00	71.0	↓-3.2
4/20 21:10	68.1	↓-2.9
4/20 21:20	65.3	↓-2.8
4/20 21:30	62.8	↓-2.5
4/20 21:40	60.6	↓-2.2
4/20 21:50	58.6	↓-2.0
4/20 22:00	57.0	↓-1.6
4/20 22:10	55.6	↓-1.4
4/20 22:20	54.5	↓-1.1
4/20 22:30	53.8	↓-0.7
4/20 22:40	53.4	↓-0.4	干潮
4/20 22:50	53.3	↓-0.1
4/20 23:00	53.6	↑0.3
4/20 23:10	54.1	↑0.5
4/20 23:20	55.1	↑1.0
4/20 23:30	56.3	↑1.2
4/20 23:40	57.9	↑1.6
4/20 23:50	59.8	↑1.9