31 (月)	05:49	11:07	17:04	-
	140cm	75cm	167cm	-
中潮 出 07:23 入 18:02 出 04:28 入 15:28

長山（沖縄）2040年12月31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
12/31 00:00	22.5	↑1.7
12/31 00:10	24.5	↑2.0
12/31 00:20	26.9	↑2.4
12/31 00:30	29.6	↑2.7
12/31 00:40	32.6	↑3.0
12/31 00:50	35.9	↑3.3
12/31 01:00	39.5	↑3.6
12/31 01:10	43.3	↑3.8
12/31 01:20	47.4	↑4.1
12/31 01:30	51.6	↑4.2
12/31 01:40	56.0	↑4.4
12/31 01:50	60.6	↑4.6
12/31 02:00	65.3	↑4.7
12/31 02:10	70.0	↑4.7
12/31 02:20	74.8	↑4.8
12/31 02:30	79.7	↑4.9
12/31 02:40	84.5	↑4.8
12/31 02:50	89.3	↑4.8
12/31 03:00	94.0	↑4.7
12/31 03:10	98.6	↑4.6
12/31 03:20	103.0	↑4.4
12/31 03:30	107.4	↑4.4
12/31 03:40	111.5	↑4.1
12/31 03:50	115.4	↑3.9
12/31 04:00	119.1	↑3.7
12/31 04:10	122.5	↑3.4
12/31 04:20	125.6	↑3.1
12/31 04:30	128.5	↑2.9
12/31 04:40	131.0	↑2.5
12/31 04:50	133.2	↑2.2
12/31 05:00	135.1	↑1.9
12/31 05:10	136.6	↑1.5
12/31 05:20	137.7	↑1.1
12/31 05:30	138.5	↑0.8
12/31 05:40	139.0	↑0.5	満潮
12/31 05:50	139.1	↑0.1
12/31 06:00	138.8	↓-0.3
12/31 06:10	138.3	↓-0.5
12/31 06:20	137.3	↓-1.0
12/31 06:30	136.1	↓-1.2
12/31 06:40	134.6	↓-1.5
12/31 06:50	132.8	↓-1.8
12/31 07:00	130.8	↓-2.0
12/31 07:10	128.5	↓-2.3
12/31 07:20	126.0	↓-2.5
12/31 07:30	123.3	↓-2.7
12/31 07:40	120.5	↓-2.8
12/31 07:50	117.5	↓-3.0
12/31 08:00	114.5	↓-3.0
12/31 08:10	111.3	↓-3.2
12/31 08:20	108.2	↓-3.1
12/31 08:30	105.0	↓-3.2
12/31 08:40	101.8	↓-3.2
12/31 08:50	98.7	↓-3.1
12/31 09:00	95.7	↓-3.0
12/31 09:10	92.7	↓-3.0
12/31 09:20	89.9	↓-2.8
12/31 09:30	87.3	↓-2.6
12/31 09:40	84.9	↓-2.4
12/31 09:50	82.6	↓-2.3
12/31 10:00	80.6	↓-2.0
12/31 10:10	78.8	↓-1.8
12/31 10:20	77.3	↓-1.5
12/31 10:30	76.0	↓-1.3
12/31 10:40	75.1	↓-0.9
12/31 10:50	74.4	↓-0.7
12/31 11:00	74.1	↓-0.3	干潮
12/31 11:10	74.1	0
12/31 11:20	74.4	↑0.3
12/31 11:30	75.0	↑0.6
12/31 11:40	75.9	↑0.9
12/31 11:50	77.2	↑1.3
12/31 12:00	78.7	↑1.5
12/31 12:10	80.6	↑1.9
12/31 12:20	82.7	↑2.1
12/31 12:30	85.1	↑2.4
12/31 12:40	87.8	↑2.7
12/31 12:50	90.8	↑3.0
12/31 13:00	93.9	↑3.1
12/31 13:10	97.3	↑3.4
12/31 13:20	100.8	↑3.5
12/31 13:30	104.6	↑3.8
12/31 13:40	108.4	↑3.8
12/31 13:50	112.3	↑3.9
12/31 14:00	116.4	↑4.1
12/31 14:10	120.4	↑4.0
12/31 14:20	124.5	↑4.1
12/31 14:30	128.6	↑4.1
12/31 14:40	132.6	↑4.0
12/31 14:50	136.5	↑3.9
12/31 15:00	140.3	↑3.8
12/31 15:10	144.0	↑3.7
12/31 15:20	147.5	↑3.5
12/31 15:30	150.8	↑3.3
12/31 15:40	153.9	↑3.1
12/31 15:50	156.7	↑2.8
12/31 16:00	159.2	↑2.5
12/31 16:10	161.4	↑2.2
12/31 16:20	163.3	↑1.9
12/31 16:30	164.8	↑1.5
12/31 16:40	165.9	↑1.1
12/31 16:50	166.6	↑0.7
12/31 17:00	166.9	↑0.3	満潮
12/31 17:10	166.8	↓-0.1
12/31 17:20	166.3	↓-0.5
12/31 17:30	165.3	↓-1.0
12/31 17:40	163.9	↓-1.4
12/31 17:50	162.1	↓-1.8
12/31 18:00	159.8	↓-2.3
12/31 18:10	157.1	↓-2.7
12/31 18:20	154.0	↓-3.1
12/31 18:30	150.5	↓-3.5
12/31 18:40	146.6	↓-3.9
12/31 18:50	142.4	↓-4.2
12/31 19:00	137.8	↓-4.6
12/31 19:10	132.9	↓-4.9
12/31 19:20	127.7	↓-5.2
12/31 19:30	122.2	↓-5.5
12/31 19:40	116.5	↓-5.7
12/31 19:50	110.7	↓-5.8
12/31 20:00	104.6	↓-6.1
12/31 20:10	98.5	↓-6.1
12/31 20:20	92.2	↓-6.3	最大潮位差
12/31 20:30	85.9	↓-6.3	最大潮位差
12/31 20:40	79.6	↓-6.3	最大潮位差
12/31 20:50	73.3	↓-6.3	最大潮位差
12/31 21:00	67.0	↓-6.3	最大潮位差
12/31 21:10	60.9	↓-6.1
12/31 21:20	54.8	↓-6.1
12/31 21:30	49.0	↓-5.8
12/31 21:40	43.4	↓-5.6
12/31 21:50	37.9	↓-5.5
12/31 22:00	32.8	↓-5.1
12/31 22:10	28.0	↓-4.8
12/31 22:20	23.5	↓-4.5
12/31 22:30	19.3	↓-4.2
12/31 22:40	15.5	↓-3.8
12/31 22:50	12.1	↓-3.4
12/31 23:00	9.2	↓-2.9
12/31 23:10	6.6	↓-2.6
12/31 23:20	4.5	↓-2.1
12/31 23:30	2.9	↓-1.6
12/31 23:40	1.7	↓-1.2
12/31 23:50	1.0	↓-0.7