20 (木)	07:47	01:17	19:16	13:26
	190cm	-20cm	208cm	48cm
大潮 出 07:02 入 18:27 出 07:06 入 18:24

那覇（沖縄）2042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	-1.1	↓-5.2
2/20 00:10	-5.7	↓-4.6
2/20 00:20	-9.6	↓-3.9
2/20 00:30	-13.0	↓-3.4
2/20 00:40	-15.8	↓-2.8
2/20 00:50	-17.8	↓-2.0
2/20 01:00	-19.3	↓-1.5
2/20 01:10	-20.0	↓-0.7	干潮
2/20 01:20	-20.0	0
2/20 01:30	-19.4	↑0.6
2/20 01:40	-18.1	↑1.3
2/20 01:50	-16.1	↑2.0
2/20 02:00	-13.5	↑2.6
2/20 02:10	-10.2	↑3.3
2/20 02:20	-6.3	↑3.9
2/20 02:30	-1.8	↑4.5
2/20 02:40	3.3	↑5.1
2/20 02:50	8.9	↑5.6
2/20 03:00	15.0	↑6.1
2/20 03:10	21.6	↑6.6
2/20 03:20	28.6	↑7.0
2/20 03:30	36.0	↑7.4
2/20 03:40	43.7	↑7.7
2/20 03:50	51.6	↑7.9
2/20 04:00	59.8	↑8.2
2/20 04:10	68.2	↑8.4
2/20 04:20	76.7	↑8.5
2/20 04:30	85.2	↑8.5
2/20 04:40	93.7	↑8.5
2/20 04:50	102.1	↑8.4
2/20 05:00	110.4	↑8.3
2/20 05:10	118.5	↑8.1
2/20 05:20	126.4	↑7.9
2/20 05:30	134.0	↑7.6
2/20 05:40	141.3	↑7.3
2/20 05:50	148.2	↑6.9
2/20 06:00	154.6	↑6.4
2/20 06:10	160.6	↑6.0
2/20 06:20	166.1	↑5.5
2/20 06:30	171.0	↑4.9
2/20 06:40	175.4	↑4.4
2/20 06:50	179.2	↑3.8
2/20 07:00	182.4	↑3.2
2/20 07:10	184.9	↑2.5
2/20 07:20	186.9	↑2.0
2/20 07:30	188.2	↑1.3
2/20 07:40	188.9	↑0.7	満潮
2/20 07:50	189.0	↑0.1
2/20 08:00	188.4	↓-0.6
2/20 08:10	187.2	↓-1.2
2/20 08:20	185.5	↓-1.7
2/20 08:30	183.1	↓-2.4
2/20 08:40	180.2	↓-2.9
2/20 08:50	176.8	↓-3.4
2/20 09:00	172.9	↓-3.9
2/20 09:10	168.6	↓-4.3
2/20 09:20	163.8	↓-4.8
2/20 09:30	158.6	↓-5.2
2/20 09:40	153.1	↓-5.5
2/20 09:50	147.2	↓-5.9
2/20 10:00	141.2	↓-6.0
2/20 10:10	134.9	↓-6.3
2/20 10:20	128.5	↓-6.4
2/20 10:30	122.0	↓-6.5
2/20 10:40	115.5	↓-6.5
2/20 10:50	109.0	↓-6.5
2/20 11:00	102.5	↓-6.5
2/20 11:10	96.2	↓-6.3
2/20 11:20	90.1	↓-6.1
2/20 11:30	84.2	↓-5.9
2/20 11:40	78.6	↓-5.6
2/20 11:50	73.4	↓-5.2
2/20 12:00	68.5	↓-4.9
2/20 12:10	64.0	↓-4.5
2/20 12:20	60.0	↓-4.0
2/20 12:30	56.6	↓-3.4
2/20 12:40	53.6	↓-3.0
2/20 12:50	51.2	↓-2.4
2/20 13:00	49.4	↓-1.8
2/20 13:10	48.1	↓-1.3
2/20 13:20	47.5	↓-0.6	干潮
2/20 13:30	47.5	0
2/20 13:40	48.1	↑0.6
2/20 13:50	49.3	↑1.2
2/20 14:00	51.1	↑1.8
2/20 14:10	53.5	↑2.4
2/20 14:20	56.5	↑3.0
2/20 14:30	60.0	↑3.5
2/20 14:40	64.1	↑4.1
2/20 14:50	68.6	↑4.5
2/20 15:00	73.7	↑5.1
2/20 15:10	79.1	↑5.4
2/20 15:20	85.0	↑5.9
2/20 15:30	91.2	↑6.2
2/20 15:40	97.7	↑6.5
2/20 15:50	104.5	↑6.8
2/20 16:00	111.4	↑6.9
2/20 16:10	118.5	↑7.1
2/20 16:20	125.7	↑7.2
2/20 16:30	132.9	↑7.2
2/20 16:40	140.1	↑7.2
2/20 16:50	147.2	↑7.1
2/20 17:00	154.2	↑7.0
2/20 17:10	160.9	↑6.7
2/20 17:20	167.4	↑6.5
2/20 17:30	173.5	↑6.1
2/20 17:40	179.3	↑5.8
2/20 17:50	184.6	↑5.3
2/20 18:00	189.5	↑4.9
2/20 18:10	193.9	↑4.4
2/20 18:20	197.7	↑3.8
2/20 18:30	201.0	↑3.3
2/20 18:40	203.6	↑2.6
2/20 18:50	205.7	↑2.1
2/20 19:00	207.0	↑1.3
2/20 19:10	207.7	↑0.7	満潮
2/20 19:20	207.8	↑0.1
2/20 19:30	207.1	↓-0.7
2/20 19:40	205.8	↓-1.3
2/20 19:50	203.8	↓-2.0
2/20 20:00	201.1	↓-2.7
2/20 20:10	197.8	↓-3.3
2/20 20:20	193.8	↓-4.0
2/20 20:30	189.3	↓-4.5
2/20 20:40	184.1	↓-5.2
2/20 20:50	178.4	↓-5.7
2/20 21:00	172.1	↓-6.3
2/20 21:10	165.4	↓-6.7
2/20 21:20	158.2	↓-7.2
2/20 21:30	150.6	↓-7.6
2/20 21:40	142.6	↓-8.0
2/20 21:50	134.3	↓-8.3
2/20 22:00	125.7	↓-8.6
2/20 22:10	116.9	↓-8.8
2/20 22:20	107.9	↓-9.0
2/20 22:30	98.8	↓-9.1
2/20 22:40	89.6	↓-9.2	最大潮位差
2/20 22:50	80.5	↓-9.1
2/20 23:00	71.4	↓-9.1
2/20 23:10	62.4	↓-9.0
2/20 23:20	53.6	↓-8.8
2/20 23:30	45.0	↓-8.6
2/20 23:40	36.7	↓-8.3
2/20 23:50	28.8	↓-7.9