31 (火)	12:08	05:34	-	18:25
	150cm	40cm	-	57cm
小潮 出 07:23 入 18:02 出 12:00 入 -

長山（沖縄）2030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	139.4	↓-1.3
12/31 00:10	137.8	↓-1.6
12/31 00:20	135.8	↓-2.0
12/31 00:30	133.6	↓-2.2
12/31 00:40	131.1	↓-2.5
12/31 00:50	128.3	↓-2.8
12/31 01:00	125.2	↓-3.1
12/31 01:10	121.9	↓-3.3
12/31 01:20	118.4	↓-3.5
12/31 01:30	114.7	↓-3.7
12/31 01:40	110.8	↓-3.9
12/31 01:50	106.8	↓-4.0
12/31 02:00	102.7	↓-4.1
12/31 02:10	98.5	↓-4.2
12/31 02:20	94.2	↓-4.3
12/31 02:30	89.9	↓-4.3
12/31 02:40	85.6	↓-4.3
12/31 02:50	81.3	↓-4.3
12/31 03:00	77.1	↓-4.2
12/31 03:10	73.0	↓-4.1
12/31 03:20	69.0	↓-4.0
12/31 03:30	65.2	↓-3.8
12/31 03:40	61.6	↓-3.6
12/31 03:50	58.2	↓-3.4
12/31 04:00	55.0	↓-3.2
12/31 04:10	52.0	↓-3.0
12/31 04:20	49.4	↓-2.6
12/31 04:30	47.0	↓-2.4
12/31 04:40	45.0	↓-2.0
12/31 04:50	43.2	↓-1.8
12/31 05:00	41.9	↓-1.3
12/31 05:10	40.8	↓-1.1
12/31 05:20	40.2	↓-0.6
12/31 05:30	39.9	↓-0.3	干潮
12/31 05:40	39.9	0
12/31 05:50	40.3	↑0.4
12/31 06:00	41.1	↑0.8
12/31 06:10	42.3	↑1.2
12/31 06:20	43.7	↑1.4
12/31 06:30	45.6	↑1.9
12/31 06:40	47.7	↑2.1
12/31 06:50	50.1	↑2.4
12/31 07:00	52.9	↑2.8
12/31 07:10	55.9	↑3.0
12/31 07:20	59.1	↑3.2
12/31 07:30	62.6	↑3.5
12/31 07:40	66.3	↑3.7
12/31 07:50	70.1	↑3.8
12/31 08:00	74.1	↑4.0
12/31 08:10	78.3	↑4.2
12/31 08:20	82.5	↑4.2
12/31 08:30	86.8	↑4.3
12/31 08:40	91.1	↑4.3
12/31 08:50	95.5	↑4.4	最大潮位差
12/31 09:00	99.8	↑4.3
12/31 09:10	104.2	↑4.4	最大潮位差
12/31 09:20	108.4	↑4.2
12/31 09:30	112.5	↑4.1
12/31 09:40	116.6	↑4.1
12/31 09:50	120.5	↑3.9
12/31 10:00	124.2	↑3.7
12/31 10:10	127.7	↑3.5
12/31 10:20	131.0	↑3.3
12/31 10:30	134.1	↑3.1
12/31 10:40	137.0	↑2.9
12/31 10:50	139.5	↑2.5
12/31 11:00	141.8	↑2.3
12/31 11:10	143.8	↑2.0
12/31 11:20	145.5	↑1.7
12/31 11:30	146.9	↑1.4
12/31 11:40	148.0	↑1.1
12/31 11:50	148.7	↑0.7
12/31 12:00	149.1	↑0.4	満潮
12/31 12:10	149.1	0
12/31 12:20	148.9	↓-0.2
12/31 12:30	148.3	↓-0.6
12/31 12:40	147.3	↓-1.0
12/31 12:50	146.1	↓-1.2
12/31 13:00	144.5	↓-1.6
12/31 13:10	142.7	↓-1.8
12/31 13:20	140.6	↓-2.1
12/31 13:30	138.2	↓-2.4
12/31 13:40	135.5	↓-2.7
12/31 13:50	132.6	↓-2.9
12/31 14:00	129.5	↓-3.1
12/31 14:10	126.2	↓-3.3
12/31 14:20	122.8	↓-3.4
12/31 14:30	119.2	↓-3.6
12/31 14:40	115.5	↓-3.7
12/31 14:50	111.7	↓-3.8
12/31 15:00	107.9	↓-3.8
12/31 15:10	104.0	↓-3.9
12/31 15:20	100.1	↓-3.9
12/31 15:30	96.2	↓-3.9
12/31 15:40	92.4	↓-3.8
12/31 15:50	88.7	↓-3.7
12/31 16:00	85.1	↓-3.6
12/31 16:10	81.6	↓-3.5
12/31 16:20	78.2	↓-3.4
12/31 16:30	75.0	↓-3.2
12/31 16:40	72.1	↓-2.9
12/31 16:50	69.3	↓-2.8
12/31 17:00	66.8	↓-2.5
12/31 17:10	64.5	↓-2.3
12/31 17:20	62.5	↓-2.0
12/31 17:30	60.7	↓-1.8
12/31 17:40	59.3	↓-1.4
12/31 17:50	58.1	↓-1.2
12/31 18:00	57.3	↓-0.8
12/31 18:10	56.7	↓-0.6
12/31 18:20	56.4	↓-0.3	干潮
12/31 18:30	56.4	0
12/31 18:40	56.8	↑0.4
12/31 18:50	57.3	↑0.5
12/31 19:00	58.2	↑0.9
12/31 19:10	59.4	↑1.2
12/31 19:20	60.8	↑1.4
12/31 19:30	62.4	↑1.6
12/31 19:40	64.2	↑1.8
12/31 19:50	66.3	↑2.1
12/31 20:00	68.5	↑2.2
12/31 20:10	71.0	↑2.5
12/31 20:20	73.5	↑2.5
12/31 20:30	76.2	↑2.7
12/31 20:40	79.0	↑2.8
12/31 20:50	81.9	↑2.9
12/31 21:00	84.9	↑3.0
12/31 21:10	87.9	↑3.0
12/31 21:20	90.9	↑3.0
12/31 21:30	93.9	↑3.0
12/31 21:40	96.9	↑3.0
12/31 21:50	99.8	↑2.9
12/31 22:00	102.7	↑2.9
12/31 22:10	105.5	↑2.8
12/31 22:20	108.2	↑2.7
12/31 22:30	110.7	↑2.5
12/31 22:40	113.2	↑2.5
12/31 22:50	115.4	↑2.2
12/31 23:00	117.5	↑2.1
12/31 23:10	119.3	↑1.8
12/31 23:20	121.0	↑1.7
12/31 23:30	122.5	↑1.5
12/31 23:40	123.7	↑1.2
12/31 23:50	124.7	↑1.0