31 (木)	04:19	09:31	15:42	22:46
	127cm	78cm	159cm	17cm
若潮 出 07:23 入 18:02 出 03:00 入 14:11

長山（沖縄）2048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	59.5	↑3.3
12/31 00:10	62.9	↑3.4
12/31 00:20	66.4	↑3.5
12/31 00:30	70.0	↑3.6
12/31 00:40	73.6	↑3.6
12/31 00:50	77.3	↑3.7
12/31 01:00	81.0	↑3.7
12/31 01:10	84.7	↑3.7
12/31 01:20	88.4	↑3.7
12/31 01:30	92.0	↑3.6
12/31 01:40	95.5	↑3.5
12/31 01:50	99.0	↑3.5
12/31 02:00	102.3	↑3.3
12/31 02:10	105.4	↑3.1
12/31 02:20	108.4	↑3.0
12/31 02:30	111.3	↑2.9
12/31 02:40	113.9	↑2.6
12/31 02:50	116.3	↑2.4
12/31 03:00	118.5	↑2.2
12/31 03:10	120.5	↑2.0
12/31 03:20	122.2	↑1.7
12/31 03:30	123.6	↑1.4
12/31 03:40	124.8	↑1.2
12/31 03:50	125.7	↑0.9
12/31 04:00	126.3	↑0.6
12/31 04:10	126.6	↑0.3	満潮
12/31 04:20	126.7	↑0.1
12/31 04:30	126.5	↓-0.2
12/31 04:40	126.0	↓-0.5
12/31 04:50	125.3	↓-0.7
12/31 05:00	124.3	↓-1.0
12/31 05:10	123.2	↓-1.1
12/31 05:20	121.7	↓-1.5
12/31 05:30	120.1	↓-1.6
12/31 05:40	118.3	↓-1.8
12/31 05:50	116.4	↓-1.9
12/31 06:00	114.3	↓-2.1
12/31 06:10	112.0	↓-2.3
12/31 06:20	109.7	↓-2.3
12/31 06:30	107.3	↓-2.4
12/31 06:40	104.9	↓-2.4
12/31 06:50	102.4	↓-2.5
12/31 07:00	99.9	↓-2.5
12/31 07:10	97.5	↓-2.4
12/31 07:20	95.1	↓-2.4
12/31 07:30	92.7	↓-2.4
12/31 07:40	90.5	↓-2.2
12/31 07:50	88.3	↓-2.2
12/31 08:00	86.3	↓-2.0
12/31 08:10	84.5	↓-1.8
12/31 08:20	82.8	↓-1.7
12/31 08:30	81.3	↓-1.5
12/31 08:40	80.0	↓-1.3
12/31 08:50	79.0	↓-1.0
12/31 09:00	78.1	↓-0.9
12/31 09:10	77.5	↓-0.6
12/31 09:20	77.1	↓-0.4
12/31 09:30	77.0	↓-0.1	干潮
12/31 09:40	77.2	↑0.2
12/31 09:50	77.5	↑0.3
12/31 10:00	78.2	↑0.7
12/31 10:10	79.1	↑0.9
12/31 10:20	80.2	↑1.1
12/31 10:30	81.6	↑1.4
12/31 10:40	83.3	↑1.7
12/31 10:50	85.1	↑1.8
12/31 11:00	87.2	↑2.1
12/31 11:10	89.5	↑2.3
12/31 11:20	92.0	↑2.5
12/31 11:30	94.7	↑2.7
12/31 11:40	97.5	↑2.8
12/31 11:50	100.5	↑3.0
12/31 12:00	103.6	↑3.1
12/31 12:10	106.9	↑3.3
12/31 12:20	110.2	↑3.3
12/31 12:30	113.6	↑3.4
12/31 12:40	117.0	↑3.4
12/31 12:50	120.4	↑3.4
12/31 13:00	123.9	↑3.5
12/31 13:10	127.3	↑3.4
12/31 13:20	130.6	↑3.3
12/31 13:30	133.9	↑3.3
12/31 13:40	137.1	↑3.2
12/31 13:50	140.1	↑3.0
12/31 14:00	143.0	↑2.9
12/31 14:10	145.7	↑2.7
12/31 14:20	148.3	↑2.6
12/31 14:30	150.6	↑2.3
12/31 14:40	152.6	↑2.0
12/31 14:50	154.4	↑1.8
12/31 15:00	155.9	↑1.5
12/31 15:10	157.1	↑1.2
12/31 15:20	158.0	↑0.9
12/31 15:30	158.6	↑0.6
12/31 15:40	158.8	↑0.2	満潮
12/31 15:50	158.7	↓-0.1
12/31 16:00	158.2	↓-0.5
12/31 16:10	157.4	↓-0.8
12/31 16:20	156.1	↓-1.3
12/31 16:30	154.6	↓-1.5
12/31 16:40	152.6	↓-2.0
12/31 16:50	150.4	↓-2.2
12/31 17:00	147.7	↓-2.7
12/31 17:10	144.8	↓-2.9
12/31 17:20	141.5	↓-3.3
12/31 17:30	137.9	↓-3.6
12/31 17:40	134.0	↓-3.9
12/31 17:50	129.9	↓-4.1
12/31 18:00	125.5	↓-4.4
12/31 18:10	120.9	↓-4.6
12/31 18:20	116.1	↓-4.8
12/31 18:30	111.1	↓-5.0
12/31 18:40	106.0	↓-5.1
12/31 18:50	100.8	↓-5.2
12/31 19:00	95.5	↓-5.3
12/31 19:10	90.2	↓-5.3
12/31 19:20	84.8	↓-5.4	最大潮位差
12/31 19:30	79.4	↓-5.4	最大潮位差
12/31 19:40	74.1	↓-5.3
12/31 19:50	68.9	↓-5.2
12/31 20:00	63.8	↓-5.1
12/31 20:10	58.8	↓-5.0
12/31 20:20	54.0	↓-4.8
12/31 20:30	49.4	↓-4.6
12/31 20:40	45.0	↓-4.4
12/31 20:50	40.8	↓-4.2
12/31 21:00	37.0	↓-3.8
12/31 21:10	33.3	↓-3.7
12/31 21:20	30.0	↓-3.3
12/31 21:30	27.1	↓-2.9
12/31 21:40	24.4	↓-2.7
12/31 21:50	22.2	↓-2.2
12/31 22:00	20.2	↓-2.0
12/31 22:10	18.7	↓-1.5
12/31 22:20	17.5	↓-1.2
12/31 22:30	16.7	↓-0.8
12/31 22:40	16.3	↓-0.4	干潮
12/31 22:50	16.3	0
12/31 23:00	16.7	↑0.4
12/31 23:10	17.4	↑0.7
12/31 23:20	18.6	↑1.2
12/31 23:30	20.0	↑1.4
12/31 23:40	21.9	↑1.9
12/31 23:50	24.1	↑2.2