20 (土)	11:51	05:18	23:50	17:50
	154cm	23cm	147cm	58cm
小潮 出 07:18 入 17:56 出 11:53 入 -

長山（沖縄）2031年12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
12/20 00:00	149.5	↓-2.9
12/20 00:10	146.3	↓-3.2
12/20 00:20	142.7	↓-3.6
12/20 00:30	138.8	↓-3.9
12/20 00:40	134.6	↓-4.2
12/20 00:50	130.1	↓-4.5
12/20 01:00	125.4	↓-4.7
12/20 01:10	120.4	↓-5.0
12/20 01:20	115.3	↓-5.1
12/20 01:30	109.9	↓-5.4
12/20 01:40	104.5	↓-5.4
12/20 01:50	99.0	↓-5.5
12/20 02:00	93.4	↓-5.6	最大潮位差
12/20 02:10	87.8	↓-5.6	最大潮位差
12/20 02:20	82.3	↓-5.5
12/20 02:30	76.8	↓-5.5
12/20 02:40	71.3	↓-5.5
12/20 02:50	66.1	↓-5.2
12/20 03:00	60.9	↓-5.2
12/20 03:10	56.0	↓-4.9
12/20 03:20	51.3	↓-4.7
12/20 03:30	46.9	↓-4.4
12/20 03:40	42.8	↓-4.1
12/20 03:50	39.0	↓-3.8
12/20 04:00	35.5	↓-3.5
12/20 04:10	32.4	↓-3.1
12/20 04:20	29.8	↓-2.6
12/20 04:30	27.5	↓-2.3
12/20 04:40	25.6	↓-1.9
12/20 04:50	24.2	↓-1.4
12/20 05:00	23.2	↓-1.0
12/20 05:10	22.6	↓-0.6	干潮
12/20 05:20	22.5	↓-0.1
12/20 05:30	22.9	↑0.4
12/20 05:40	23.6	↑0.7
12/20 05:50	24.9	↑1.3
12/20 06:00	26.5	↑1.6
12/20 06:10	28.6	↑2.1
12/20 06:20	31.0	↑2.4
12/20 06:30	33.9	↑2.9
12/20 06:40	37.1	↑3.2
12/20 06:50	40.6	↑3.5
12/20 07:00	44.4	↑3.8
12/20 07:10	48.6	↑4.2
12/20 07:20	52.9	↑4.3
12/20 07:30	57.5	↑4.6
12/20 07:40	62.3	↑4.8
12/20 07:50	67.3	↑5.0
12/20 08:00	72.3	↑5.0
12/20 08:10	77.5	↑5.2
12/20 08:20	82.7	↑5.2
12/20 08:30	88.0	↑5.3
12/20 08:40	93.2	↑5.2
12/20 08:50	98.4	↑5.2
12/20 09:00	103.6	↑5.2
12/20 09:10	108.6	↑5.0
12/20 09:20	113.5	↑4.9
12/20 09:30	118.2	↑4.7
12/20 09:40	122.7	↑4.5
12/20 09:50	127.0	↑4.3
12/20 10:00	131.0	↑4.0
12/20 10:10	134.8	↑3.8
12/20 10:20	138.3	↑3.5
12/20 10:30	141.5	↑3.2
12/20 10:40	144.3	↑2.8
12/20 10:50	146.8	↑2.5
12/20 11:00	148.9	↑2.1
12/20 11:10	150.7	↑1.8
12/20 11:20	152.0	↑1.3
12/20 11:30	153.0	↑1.0
12/20 11:40	153.6	↑0.6
12/20 11:50	153.8	↑0.2	満潮
12/20 12:00	153.7	↓-0.1
12/20 12:10	153.1	↓-0.6
12/20 12:20	152.2	↓-0.9
12/20 12:30	150.9	↓-1.3
12/20 12:40	149.2	↓-1.7
12/20 12:50	147.2	↓-2.0
12/20 13:00	144.9	↓-2.3
12/20 13:10	142.2	↓-2.7
12/20 13:20	139.3	↓-2.9
12/20 13:30	136.1	↓-3.2
12/20 13:40	132.7	↓-3.4
12/20 13:50	129.1	↓-3.6
12/20 14:00	125.3	↓-3.8
12/20 14:10	121.4	↓-3.9
12/20 14:20	117.3	↓-4.1
12/20 14:30	113.1	↓-4.2
12/20 14:40	108.9	↓-4.2
12/20 14:50	104.7	↓-4.2
12/20 15:00	100.5	↓-4.2
12/20 15:10	96.3	↓-4.2
12/20 15:20	92.2	↓-4.1
12/20 15:30	88.2	↓-4.0
12/20 15:40	84.3	↓-3.9
12/20 15:50	80.6	↓-3.7
12/20 16:00	77.1	↓-3.5
12/20 16:10	73.8	↓-3.3
12/20 16:20	70.7	↓-3.1
12/20 16:30	67.9	↓-2.8
12/20 16:40	65.4	↓-2.5
12/20 16:50	63.2	↓-2.2
12/20 17:00	61.4	↓-1.8
12/20 17:10	59.8	↓-1.6
12/20 17:20	58.6	↓-1.2
12/20 17:30	57.8	↓-0.8
12/20 17:40	57.3	↓-0.5	干潮
12/20 17:50	57.1	↓-0.2	干潮
12/20 18:00	57.3	↑0.2
12/20 18:10	57.9	↑0.6
12/20 18:20	58.8	↑0.9
12/20 18:30	60.0	↑1.2
12/20 18:40	61.6	↑1.6
12/20 18:50	63.5	↑1.9
12/20 19:00	65.6	↑2.1
12/20 19:10	68.1	↑2.5
12/20 19:20	70.8	↑2.7
12/20 19:30	73.7	↑2.9
12/20 19:40	76.8	↑3.1
12/20 19:50	80.1	↑3.3
12/20 20:00	83.6	↑3.5
12/20 20:10	87.2	↑3.6
12/20 20:20	90.9	↑3.7
12/20 20:30	94.7	↑3.8
12/20 20:40	98.5	↑3.8
12/20 20:50	102.4	↑3.9
12/20 21:00	106.2	↑3.8
12/20 21:10	110.1	↑3.9
12/20 21:20	113.8	↑3.7
12/20 21:30	117.5	↑3.7
12/20 21:40	121.0	↑3.5
12/20 21:50	124.4	↑3.4
12/20 22:00	127.6	↑3.2
12/20 22:10	130.6	↑3.0
12/20 22:20	133.4	↑2.8
12/20 22:30	136.0	↑2.6
12/20 22:40	138.3	↑2.3
12/20 22:50	140.4	↑2.1
12/20 23:00	142.1	↑1.7
12/20 23:10	143.6	↑1.5
12/20 23:20	144.7	↑1.1
12/20 23:30	145.5	↑0.8
12/20 23:40	146.0	↑0.5	満潮
12/20 23:50	146.2	↑0.2	満潮