31 (日)	07:51	01:07	18:41	12:50
	129cm	-5cm	163cm	74cm
大潮 出 07:33 入 18:13 出 17:50 入 06:56

久部良（沖縄）2028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	4.3	↓-3.0
12/31 00:10	1.6	↓-2.7
12/31 00:20	-0.6	↓-2.2
12/31 00:30	-2.4	↓-1.8
12/31 00:40	-3.7	↓-1.3
12/31 00:50	-4.6	↓-0.9
12/31 01:00	-5.1	↓-0.5	干潮
12/31 01:10	-5.2	↓-0.1
12/31 01:20	-4.8	↑0.4
12/31 01:30	-4.0	↑0.8
12/31 01:40	-2.7	↑1.3
12/31 01:50	-1.0	↑1.7
12/31 02:00	1.0	↑2.0
12/31 02:10	3.5	↑2.5
12/31 02:20	6.3	↑2.8
12/31 02:30	9.5	↑3.2
12/31 02:40	13.0	↑3.5
12/31 02:50	16.8	↑3.8
12/31 03:00	20.9	↑4.1
12/31 03:10	25.3	↑4.4
12/31 03:20	29.8	↑4.5
12/31 03:30	34.6	↑4.8
12/31 03:40	39.5	↑4.9
12/31 03:50	44.6	↑5.1
12/31 04:00	49.8	↑5.2
12/31 04:10	55.0	↑5.2
12/31 04:20	60.2	↑5.2
12/31 04:30	65.5	↑5.3
12/31 04:40	70.7	↑5.2
12/31 04:50	75.9	↑5.2
12/31 05:00	80.9	↑5.0
12/31 05:10	85.8	↑4.9
12/31 05:20	90.6	↑4.8
12/31 05:30	95.2	↑4.6
12/31 05:40	99.5	↑4.3
12/31 05:50	103.7	↑4.2
12/31 06:00	107.5	↑3.8
12/31 06:10	111.1	↑3.6
12/31 06:20	114.4	↑3.3
12/31 06:30	117.3	↑2.9
12/31 06:40	120.0	↑2.7
12/31 06:50	122.3	↑2.3
12/31 07:00	124.2	↑1.9
12/31 07:10	125.8	↑1.6
12/31 07:20	127.0	↑1.2
12/31 07:30	127.9	↑0.9
12/31 07:40	128.4	↑0.5
12/31 07:50	128.6	↑0.2	満潮
12/31 08:00	128.4	↓-0.2
12/31 08:10	127.9	↓-0.5
12/31 08:20	127.1	↓-0.8
12/31 08:30	126.0	↓-1.1
12/31 08:40	124.7	↓-1.3
12/31 08:50	123.0	↓-1.7
12/31 09:00	121.1	↓-1.9
12/31 09:10	119.0	↓-2.1
12/31 09:20	116.8	↓-2.2
12/31 09:30	114.3	↓-2.5
12/31 09:40	111.7	↓-2.6
12/31 09:50	109.0	↓-2.7
12/31 10:00	106.3	↓-2.7
12/31 10:10	103.4	↓-2.9
12/31 10:20	100.6	↓-2.8
12/31 10:30	97.8	↓-2.8
12/31 10:40	95.0	↓-2.8
12/31 10:50	92.2	↓-2.8
12/31 11:00	89.6	↓-2.6
12/31 11:10	87.1	↓-2.5
12/31 11:20	84.7	↓-2.4
12/31 11:30	82.5	↓-2.2
12/31 11:40	80.5	↓-2.0
12/31 11:50	78.7	↓-1.8
12/31 12:00	77.2	↓-1.5
12/31 12:10	75.9	↓-1.3
12/31 12:20	74.9	↓-1.0
12/31 12:30	74.1	↓-0.8
12/31 12:40	73.7	↓-0.4	干潮
12/31 12:50	73.6	↓-0.1	干潮
12/31 13:00	73.8	↑0.2
12/31 13:10	74.2	↑0.4
12/31 13:20	75.0	↑0.8
12/31 13:30	76.2	↑1.2
12/31 13:40	77.6	↑1.4
12/31 13:50	79.3	↑1.7
12/31 14:00	81.3	↑2.0
12/31 14:10	83.6	↑2.3
12/31 14:20	86.2	↑2.6
12/31 14:30	89.0	↑2.8
12/31 14:40	92.1	↑3.1
12/31 14:50	95.3	↑3.2
12/31 15:00	98.8	↑3.5
12/31 15:10	102.4	↑3.6
12/31 15:20	106.1	↑3.7
12/31 15:30	110.0	↑3.9
12/31 15:40	113.9	↑3.9
12/31 15:50	117.9	↑4.0
12/31 16:00	121.9	↑4.0
12/31 16:10	125.9	↑4.0
12/31 16:20	129.8	↑3.9
12/31 16:30	133.7	↑3.9
12/31 16:40	137.4	↑3.7
12/31 16:50	141.0	↑3.6
12/31 17:00	144.4	↑3.4
12/31 17:10	147.6	↑3.2
12/31 17:20	150.6	↑3.0
12/31 17:30	153.3	↑2.7
12/31 17:40	155.7	↑2.4
12/31 17:50	157.8	↑2.1
12/31 18:00	159.6	↑1.8
12/31 18:10	161.0	↑1.4
12/31 18:20	162.0	↑1.0
12/31 18:30	162.6	↑0.6
12/31 18:40	162.8	↑0.2	満潮
12/31 18:50	162.6	↓-0.2
12/31 19:00	162.0	↓-0.6
12/31 19:10	160.9	↓-1.1
12/31 19:20	159.4	↓-1.5
12/31 19:30	157.4	↓-2.0
12/31 19:40	155.0	↓-2.4
12/31 19:50	152.2	↓-2.8
12/31 20:00	149.0	↓-3.2
12/31 20:10	145.4	↓-3.6
12/31 20:20	141.4	↓-4.0
12/31 20:30	137.0	↓-4.4
12/31 20:40	132.2	↓-4.8
12/31 20:50	127.2	↓-5.0
12/31 21:00	121.8	↓-5.4
12/31 21:10	116.2	↓-5.6
12/31 21:20	110.3	↓-5.9
12/31 21:30	104.3	↓-6.0
12/31 21:40	98.0	↓-6.3
12/31 21:50	91.7	↓-6.3
12/31 22:00	85.2	↓-6.5
12/31 22:10	78.6	↓-6.6	最大潮位差
12/31 22:20	72.0	↓-6.6	最大潮位差
12/31 22:30	65.5	↓-6.5
12/31 22:40	58.9	↓-6.6	最大潮位差
12/31 22:50	52.5	↓-6.4
12/31 23:00	46.2	↓-6.3
12/31 23:10	40.0	↓-6.2
12/31 23:20	34.1	↓-5.9
12/31 23:30	28.3	↓-5.8
12/31 23:40	22.9	↓-5.4
12/31 23:50	17.7	↓-5.2