31 (金)	05:00	10:25	16:14	23:14
	172cm	89cm	194cm	12cm
中潮 出 07:17 入 17:49 出 04:15 入 15:14

石川（沖縄）2021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	51.9	↑3.7
12/31 00:10	56.0	↑4.1
12/31 00:20	60.4	↑4.4
12/31 00:30	65.0	↑4.6
12/31 00:40	69.9	↑4.9
12/31 00:50	74.9	↑5.0
12/31 01:00	80.2	↑5.3
12/31 01:10	85.6	↑5.4
12/31 01:20	91.0	↑5.4
12/31 01:30	96.6	↑5.6
12/31 01:40	102.1	↑5.5
12/31 01:50	107.7	↑5.6
12/31 02:00	113.2	↑5.5
12/31 02:10	118.7	↑5.5
12/31 02:20	124.0	↑5.3
12/31 02:30	129.2	↑5.2
12/31 02:40	134.2	↑5.0
12/31 02:50	139.0	↑4.8
12/31 03:00	143.5	↑4.5
12/31 03:10	147.8	↑4.3
12/31 03:20	151.7	↑3.9
12/31 03:30	155.4	↑3.7
12/31 03:40	158.7	↑3.3
12/31 03:50	161.7	↑3.0
12/31 04:00	164.2	↑2.5
12/31 04:10	166.4	↑2.2
12/31 04:20	168.2	↑1.8
12/31 04:30	169.6	↑1.4
12/31 04:40	170.6	↑1.0
12/31 04:50	171.2	↑0.6	満潮
12/31 05:00	171.3	↑0.1	満潮
12/31 05:10	171.1	↓-0.2
12/31 05:20	170.4	↓-0.7
12/31 05:30	169.4	↓-1.0
12/31 05:40	168.0	↓-1.4
12/31 05:50	166.2	↓-1.8
12/31 06:00	164.1	↓-2.1
12/31 06:10	161.6	↓-2.5
12/31 06:20	158.9	↓-2.7
12/31 06:30	155.9	↓-3.0
12/31 06:40	152.6	↓-3.3
12/31 06:50	149.1	↓-3.5
12/31 07:00	145.5	↓-3.6
12/31 07:10	141.7	↓-3.8
12/31 07:20	137.8	↓-3.9
12/31 07:30	133.9	↓-3.9
12/31 07:40	129.9	↓-4.0
12/31 07:50	125.9	↓-4.0
12/31 08:00	122.0	↓-3.9
12/31 08:10	118.1	↓-3.9
12/31 08:20	114.4	↓-3.7
12/31 08:30	110.8	↓-3.6
12/31 08:40	107.4	↓-3.4
12/31 08:50	104.2	↓-3.2
12/31 09:00	101.2	↓-3.0
12/31 09:10	98.5	↓-2.7
12/31 09:20	96.1	↓-2.4
12/31 09:30	94.0	↓-2.1
12/31 09:40	92.3	↓-1.7
12/31 09:50	90.8	↓-1.5
12/31 10:00	89.8	↓-1.0
12/31 10:10	89.1	↓-0.7
12/31 10:20	88.7	↓-0.4	干潮
12/31 10:30	88.8	↑0.1
12/31 10:40	89.2	↑0.4
12/31 10:50	90.1	↑0.9
12/31 11:00	91.3	↑1.2
12/31 11:10	92.8	↑1.5
12/31 11:20	94.8	↑2.0
12/31 11:30	97.1	↑2.3
12/31 11:40	99.7	↑2.6
12/31 11:50	102.7	↑3.0
12/31 12:00	106.0	↑3.3
12/31 12:10	109.5	↑3.5
12/31 12:20	113.4	↑3.9
12/31 12:30	117.4	↑4.0
12/31 12:40	121.7	↑4.3
12/31 12:50	126.1	↑4.4
12/31 13:00	130.6	↑4.5
12/31 13:10	135.3	↑4.7
12/31 13:20	140.0	↑4.7
12/31 13:30	144.7	↑4.7
12/31 13:40	149.5	↑4.8
12/31 13:50	154.1	↑4.6
12/31 14:00	158.7	↑4.6
12/31 14:10	163.1	↑4.4
12/31 14:20	167.4	↑4.3
12/31 14:30	171.5	↑4.1
12/31 14:40	175.3	↑3.8
12/31 14:50	178.8	↑3.5
12/31 15:00	182.0	↑3.2
12/31 15:10	184.9	↑2.9
12/31 15:20	187.4	↑2.5
12/31 15:30	189.5	↑2.1
12/31 15:40	191.2	↑1.7
12/31 15:50	192.5	↑1.3
12/31 16:00	193.4	↑0.9
12/31 16:10	193.7	↑0.3	満潮
12/31 16:20	193.7	0
12/31 16:30	193.1	↓-0.6
12/31 16:40	192.1	↓-1.0
12/31 16:50	190.6	↓-1.5
12/31 17:00	188.6	↓-2.0
12/31 17:10	186.1	↓-2.5
12/31 17:20	183.2	↓-2.9
12/31 17:30	179.9	↓-3.3
12/31 17:40	176.1	↓-3.8
12/31 17:50	171.9	↓-4.2
12/31 18:00	167.3	↓-4.6
12/31 18:10	162.3	↓-5.0
12/31 18:20	157.0	↓-5.3
12/31 18:30	151.4	↓-5.6
12/31 18:40	145.5	↓-5.9
12/31 18:50	139.4	↓-6.1
12/31 19:00	133.0	↓-6.4
12/31 19:10	126.4	↓-6.6
12/31 19:20	119.7	↓-6.7
12/31 19:30	113.0	↓-6.7
12/31 19:40	106.1	↓-6.9	最大潮位差
12/31 19:50	99.2	↓-6.9	最大潮位差
12/31 20:00	92.4	↓-6.8
12/31 20:10	85.6	↓-6.8
12/31 20:20	78.9	↓-6.7
12/31 20:30	72.3	↓-6.6
12/31 20:40	66.0	↓-6.3
12/31 20:50	59.8	↓-6.2
12/31 21:00	53.9	↓-5.9
12/31 21:10	48.3	↓-5.6
12/31 21:20	43.0	↓-5.3
12/31 21:30	38.0	↓-5.0
12/31 21:40	33.4	↓-4.6
12/31 21:50	29.2	↓-4.2
12/31 22:00	25.4	↓-3.8
12/31 22:10	22.1	↓-3.3
12/31 22:20	19.2	↓-2.9
12/31 22:30	16.7	↓-2.5
12/31 22:40	14.8	↓-1.9
12/31 22:50	13.3	↓-1.5
12/31 23:00	12.4	↓-0.9
12/31 23:10	12.0	↓-0.4	干潮
12/31 23:20	12.0	0
12/31 23:30	12.6	↑0.6
12/31 23:40	13.8	↑1.2
12/31 23:50	15.4	↑1.6