20 (月)	07:56	01:31	19:17	13:27
	153cm	-13cm	188cm	57cm
大潮 出 07:14 入 18:41 出 07:18 入 18:41

石垣島（沖縄）2023年02月20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
2/20 00:00	9.8	↓-5.1
2/20 00:10	5.2	↓-4.6
2/20 00:20	0.9	↓-4.3
2/20 00:30	-2.8	↓-3.7
2/20 00:40	-6.0	↓-3.2
2/20 00:50	-8.7	↓-2.7
2/20 01:00	-10.7	↓-2.0
2/20 01:10	-12.2	↓-1.5
2/20 01:20	-13.1	↓-0.9
2/20 01:30	-13.4	↓-0.3	干潮
2/20 01:40	-13.1	↑0.3
2/20 01:50	-12.1	↑1.0
2/20 02:00	-10.6	↑1.5
2/20 02:10	-8.5	↑2.1
2/20 02:20	-5.9	↑2.6
2/20 02:30	-2.8	↑3.1
2/20 02:40	0.9	↑3.7
2/20 02:50	4.9	↑4.0
2/20 03:00	9.5	↑4.6
2/20 03:10	14.4	↑4.9
2/20 03:20	19.6	↑5.2
2/20 03:30	25.2	↑5.6
2/20 03:40	31.0	↑5.8
2/20 03:50	37.1	↑6.1
2/20 04:00	43.4	↑6.3
2/20 04:10	49.8	↑6.4
2/20 04:20	56.4	↑6.6
2/20 04:30	63.1	↑6.7
2/20 04:40	69.8	↑6.7
2/20 04:50	76.5	↑6.7
2/20 05:00	83.2	↑6.7
2/20 05:10	89.8	↑6.6
2/20 05:20	96.3	↑6.5
2/20 05:30	102.7	↑6.4
2/20 05:40	108.8	↑6.1
2/20 05:50	114.6	↑5.8
2/20 06:00	120.2	↑5.6
2/20 06:10	125.4	↑5.2
2/20 06:20	130.3	↑4.9
2/20 06:30	134.7	↑4.4
2/20 06:40	138.7	↑4.0
2/20 06:50	142.3	↑3.6
2/20 07:00	145.3	↑3.0
2/20 07:10	147.8	↑2.5
2/20 07:20	149.9	↑2.1
2/20 07:30	151.4	↑1.5
2/20 07:40	152.4	↑1.0
2/20 07:50	152.9	↑0.5	満潮
2/20 08:00	152.9	0
2/20 08:10	152.4	↓-0.5
2/20 08:20	151.5	↓-0.9
2/20 08:30	150.2	↓-1.3
2/20 08:40	148.5	↓-1.7
2/20 08:50	146.4	↓-2.1
2/20 09:00	144.0	↓-2.4
2/20 09:10	141.3	↓-2.7
2/20 09:20	138.3	↓-3.0
2/20 09:30	135.0	↓-3.3
2/20 09:40	131.6	↓-3.4
2/20 09:50	127.9	↓-3.7
2/20 10:00	124.0	↓-3.9
2/20 10:10	120.0	↓-4.0
2/20 10:20	115.9	↓-4.1
2/20 10:30	111.7	↓-4.2
2/20 10:40	107.4	↓-4.3
2/20 10:50	103.0	↓-4.4
2/20 11:00	98.7	↓-4.3
2/20 11:10	94.3	↓-4.4
2/20 11:20	90.0	↓-4.3
2/20 11:30	85.8	↓-4.2
2/20 11:40	81.7	↓-4.1
2/20 11:50	77.8	↓-3.9
2/20 12:00	74.1	↓-3.7
2/20 12:10	70.7	↓-3.4
2/20 12:20	67.5	↓-3.2
2/20 12:30	64.7	↓-2.8
2/20 12:40	62.3	↓-2.4
2/20 12:50	60.3	↓-2.0
2/20 13:00	58.7	↓-1.6
2/20 13:10	57.7	↓-1.0
2/20 13:20	57.1	↓-0.6	干潮
2/20 13:30	57.0	↓-0.1
2/20 13:40	57.5	↑0.5
2/20 13:50	58.4	↑0.9
2/20 14:00	59.9	↑1.5
2/20 14:10	61.9	↑2.0
2/20 14:20	64.4	↑2.5
2/20 14:30	67.4	↑3.0
2/20 14:40	70.8	↑3.4
2/20 14:50	74.6	↑3.8
2/20 15:00	78.7	↑4.1
2/20 15:10	83.2	↑4.5
2/20 15:20	88.0	↑4.8
2/20 15:30	93.0	↑5.0
2/20 15:40	98.3	↑5.3
2/20 15:50	103.7	↑5.4
2/20 16:00	109.3	↑5.6
2/20 16:10	114.9	↑5.6
2/20 16:20	120.6	↑5.7
2/20 16:30	126.3	↑5.7
2/20 16:40	132.0	↑5.7
2/20 16:50	137.6	↑5.6
2/20 17:00	143.1	↑5.5
2/20 17:10	148.5	↑5.4
2/20 17:20	153.7	↑5.2
2/20 17:30	158.7	↑5.0
2/20 17:40	163.3	↑4.6
2/20 17:50	167.7	↑4.4
2/20 18:00	171.8	↑4.1
2/20 18:10	175.4	↑3.6
2/20 18:20	178.6	↑3.2
2/20 18:30	181.4	↑2.8
2/20 18:40	183.7	↑2.3
2/20 18:50	185.4	↑1.7
2/20 19:00	186.6	↑1.2
2/20 19:10	187.2	↑0.6	満潮
2/20 19:20	187.3	↑0.1
2/20 19:30	186.8	↓-0.5
2/20 19:40	185.7	↓-1.1
2/20 19:50	184.0	↓-1.7
2/20 20:00	181.7	↓-2.3
2/20 20:10	178.9	↓-2.8
2/20 20:20	175.6	↓-3.3
2/20 20:30	171.8	↓-3.8
2/20 20:40	167.5	↓-4.3
2/20 20:50	162.8	↓-4.7
2/20 21:00	157.7	↓-5.1
2/20 21:10	152.2	↓-5.5
2/20 21:20	146.4	↓-5.8
2/20 21:30	140.3	↓-6.1
2/20 21:40	134.0	↓-6.3
2/20 21:50	127.4	↓-6.6
2/20 22:00	120.7	↓-6.7
2/20 22:10	113.7	↓-7.0
2/20 22:20	106.7	↓-7.0
2/20 22:30	99.6	↓-7.1
2/20 22:40	92.3	↓-7.3	最大潮位差
2/20 22:50	85.1	↓-7.2
2/20 23:00	77.8	↓-7.3	最大潮位差
2/20 23:10	70.6	↓-7.2
2/20 23:20	63.4	↓-7.2
2/20 23:30	56.3	↓-7.1
2/20 23:40	49.3	↓-7.0
2/20 23:50	42.5	↓-6.8