19 (金)	11:02	04:30	22:45	16:48
	158cm	7cm	162cm	57cm
中潮 出 07:17 入 17:55 出 11:11 入 23:16

長山（沖縄）2031年12月19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
12/19 00:00	135.7	↓-5.5
12/19 00:10	130.0	↓-5.7
12/19 00:20	124.0	↓-6.0
12/19 00:30	117.8	↓-6.2
12/19 00:40	111.4	↓-6.4
12/19 00:50	104.9	↓-6.5
12/19 01:00	98.3	↓-6.6
12/19 01:10	91.7	↓-6.6
12/19 01:20	85.0	↓-6.7	最大潮位差
12/19 01:30	78.4	↓-6.6
12/19 01:40	71.8	↓-6.6
12/19 01:50	65.3	↓-6.5
12/19 02:00	59.1	↓-6.2
12/19 02:10	53.0	↓-6.1
12/19 02:20	47.1	↓-5.9
12/19 02:30	41.5	↓-5.6
12/19 02:40	36.3	↓-5.2
12/19 02:50	31.3	↓-5.0
12/19 03:00	26.8	↓-4.5
12/19 03:10	22.6	↓-4.2
12/19 03:20	18.9	↓-3.7
12/19 03:30	15.7	↓-3.2
12/19 03:40	12.9	↓-2.8
12/19 03:50	10.6	↓-2.3
12/19 04:00	8.8	↓-1.8
12/19 04:10	7.6	↓-1.2
12/19 04:20	6.8	↓-0.8	干潮
12/19 04:30	6.6	↓-0.2	干潮
12/19 04:40	6.9	↑0.3
12/19 04:50	7.7	↑0.8
12/19 05:00	9.0	↑1.3
12/19 05:10	10.9	↑1.9
12/19 05:20	13.2	↑2.3
12/19 05:30	15.9	↑2.7
12/19 05:40	19.2	↑3.3
12/19 05:50	22.8	↑3.6
12/19 06:00	26.8	↑4.0
12/19 06:10	31.2	↑4.4
12/19 06:20	36.0	↑4.8
12/19 06:30	41.0	↑5.0
12/19 06:40	46.3	↑5.3
12/19 06:50	51.8	↑5.5
12/19 07:00	57.5	↑5.7
12/19 07:10	63.4	↑5.9
12/19 07:20	69.3	↑5.9
12/19 07:30	75.4	↑6.1
12/19 07:40	81.4	↑6.0
12/19 07:50	87.5	↑6.1
12/19 08:00	93.5	↑6.0
12/19 08:10	99.4	↑5.9
12/19 08:20	105.3	↑5.9
12/19 08:30	110.9	↑5.6
12/19 08:40	116.4	↑5.5
12/19 08:50	121.6	↑5.2
12/19 09:00	126.5	↑4.9
12/19 09:10	131.2	↑4.7
12/19 09:20	135.6	↑4.4
12/19 09:30	139.6	↑4.0
12/19 09:40	143.2	↑3.6
12/19 09:50	146.5	↑3.3
12/19 10:00	149.4	↑2.9
12/19 10:10	151.8	↑2.4
12/19 10:20	153.8	↑2.0
12/19 10:30	155.4	↑1.6
12/19 10:40	156.6	↑1.2
12/19 10:50	157.3	↑0.7
12/19 11:00	157.5	↑0.2	満潮
12/19 11:10	157.3	↓-0.2
12/19 11:20	156.7	↓-0.6
12/19 11:30	155.7	↓-1.0
12/19 11:40	154.2	↓-1.5
12/19 11:50	152.4	↓-1.8
12/19 12:00	150.2	↓-2.2
12/19 12:10	147.6	↓-2.6
12/19 12:20	144.7	↓-2.9
12/19 12:30	141.4	↓-3.3
12/19 12:40	137.9	↓-3.5
12/19 12:50	134.2	↓-3.7
12/19 13:00	130.2	↓-4.0
12/19 13:10	126.1	↓-4.1
12/19 13:20	121.7	↓-4.4
12/19 13:30	117.3	↓-4.4
12/19 13:40	112.8	↓-4.5
12/19 13:50	108.3	↓-4.5
12/19 14:00	103.7	↓-4.6
12/19 14:10	99.2	↓-4.5
12/19 14:20	94.7	↓-4.5
12/19 14:30	90.4	↓-4.3
12/19 14:40	86.2	↓-4.2
12/19 14:50	82.1	↓-4.1
12/19 15:00	78.3	↓-3.8
12/19 15:10	74.7	↓-3.6
12/19 15:20	71.4	↓-3.3
12/19 15:30	68.3	↓-3.1
12/19 15:40	65.6	↓-2.7
12/19 15:50	63.2	↓-2.4
12/19 16:00	61.2	↓-2.0
12/19 16:10	59.5	↓-1.7
12/19 16:20	58.2	↓-1.3
12/19 16:30	57.3	↓-0.9
12/19 16:40	56.9	↓-0.4	干潮
12/19 16:50	56.8	↓-0.1
12/19 17:00	57.1	↑0.3
12/19 17:10	57.9	↑0.8
12/19 17:20	59.0	↑1.1
12/19 17:30	60.5	↑1.5
12/19 17:40	62.4	↑1.9
12/19 17:50	64.6	↑2.2
12/19 18:00	67.2	↑2.6
12/19 18:10	70.2	↑3.0
12/19 18:20	73.4	↑3.2
12/19 18:30	76.9	↑3.5
12/19 18:40	80.6	↑3.7
12/19 18:50	84.5	↑3.9
12/19 19:00	88.7	↑4.2
12/19 19:10	93.0	↑4.3
12/19 19:20	97.4	↑4.4
12/19 19:30	101.9	↑4.5
12/19 19:40	106.4	↑4.5
12/19 19:50	111.0	↑4.6
12/19 20:00	115.6	↑4.6
12/19 20:10	120.1	↑4.5
12/19 20:20	124.5	↑4.4
12/19 20:30	128.8	↑4.3
12/19 20:40	133.0	↑4.2
12/19 20:50	137.0	↑4.0
12/19 21:00	140.7	↑3.7
12/19 21:10	144.2	↑3.5
12/19 21:20	147.5	↑3.3
12/19 21:30	150.5	↑3.0
12/19 21:40	153.1	↑2.6
12/19 21:50	155.4	↑2.3
12/19 22:00	157.4	↑2.0
12/19 22:10	158.9	↑1.5
12/19 22:20	160.1	↑1.2
12/19 22:30	160.9	↑0.8
12/19 22:40	161.3	↑0.4	満潮
12/19 22:50	161.3	0
12/19 23:00	160.8	↓-0.5
12/19 23:10	160.0	↓-0.8
12/19 23:20	158.7	↓-1.3
12/19 23:30	157.0	↓-1.7
12/19 23:40	154.9	↓-2.1
12/19 23:50	152.4	↓-2.5