20 (日)	06:42	00:17	18:22	12:21
	158cm	-3cm	186cm	47cm
大潮 出 07:09 入 18:37 出 05:37 入 17:11

長山（沖縄）2050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	-2.5	↓-1.1
2/20 00:10	-3.1	↓-0.6	干潮
2/20 00:20	-3.2	↓-0.1
2/20 00:30	-2.7	↑0.5
2/20 00:40	-1.7	↑1.0
2/20 00:50	-0.2	↑1.5
2/20 01:00	1.9	↑2.1
2/20 01:10	4.4	↑2.5
2/20 01:20	7.5	↑3.1
2/20 01:30	11.0	↑3.5
2/20 01:40	15.0	↑4.0
2/20 01:50	19.4	↑4.4
2/20 02:00	24.1	↑4.7
2/20 02:10	29.3	↑5.2
2/20 02:20	34.7	↑5.4
2/20 02:30	40.5	↑5.8
2/20 02:40	46.5	↑6.0
2/20 02:50	52.7	↑6.2
2/20 03:00	59.0	↑6.3
2/20 03:10	65.5	↑6.5
2/20 03:20	72.1	↑6.6
2/20 03:30	78.7	↑6.6
2/20 03:40	85.2	↑6.5
2/20 03:50	91.8	↑6.6
2/20 04:00	98.2	↑6.4
2/20 04:10	104.5	↑6.3
2/20 04:20	110.6	↑6.1
2/20 04:30	116.4	↑5.8
2/20 04:40	122.0	↑5.6
2/20 04:50	127.3	↑5.3
2/20 05:00	132.3	↑5.0
2/20 05:10	136.9	↑4.6
2/20 05:20	141.0	↑4.1
2/20 05:30	144.8	↑3.8
2/20 05:40	148.1	↑3.3
2/20 05:50	150.9	↑2.8
2/20 06:00	153.3	↑2.4
2/20 06:10	155.1	↑1.8
2/20 06:20	156.4	↑1.3
2/20 06:30	157.3	↑0.9
2/20 06:40	157.6	↑0.3	満潮
2/20 06:50	157.4	↓-0.2
2/20 07:00	156.7	↓-0.7
2/20 07:10	155.5	↓-1.2
2/20 07:20	153.9	↓-1.6
2/20 07:30	151.7	↓-2.2
2/20 07:40	149.2	↓-2.5
2/20 07:50	146.2	↓-3.0
2/20 08:00	142.9	↓-3.3
2/20 08:10	139.2	↓-3.7
2/20 08:20	135.2	↓-4.0
2/20 08:30	130.9	↓-4.3
2/20 08:40	126.4	↓-4.5
2/20 08:50	121.7	↓-4.7
2/20 09:00	116.8	↓-4.9
2/20 09:10	111.8	↓-5.0
2/20 09:20	106.7	↓-5.1
2/20 09:30	101.5	↓-5.2
2/20 09:40	96.4	↓-5.1
2/20 09:50	91.3	↓-5.1
2/20 10:00	86.3	↓-5.0
2/20 10:10	81.5	↓-4.8
2/20 10:20	76.8	↓-4.7
2/20 10:30	72.3	↓-4.5
2/20 10:40	68.1	↓-4.2
2/20 10:50	64.2	↓-3.9
2/20 11:00	60.6	↓-3.6
2/20 11:10	57.3	↓-3.3
2/20 11:20	54.4	↓-2.9
2/20 11:30	51.9	↓-2.5
2/20 11:40	49.8	↓-2.1
2/20 11:50	48.1	↓-1.7
2/20 12:00	47.0	↓-1.1
2/20 12:10	46.2	↓-0.8
2/20 12:20	46.0	↓-0.2	干潮
2/20 12:30	46.2	↑0.2
2/20 12:40	47.0	↑0.8
2/20 12:50	48.2	↑1.2
2/20 13:00	49.9	↑1.7
2/20 13:10	52.1	↑2.2
2/20 13:20	54.7	↑2.6
2/20 13:30	57.8	↑3.1
2/20 13:40	61.2	↑3.4
2/20 13:50	65.1	↑3.9
2/20 14:00	69.4	↑4.3
2/20 14:10	74.0	↑4.6
2/20 14:20	79.0	↑5.0
2/20 14:30	84.2	↑5.2
2/20 14:40	89.6	↑5.4
2/20 14:50	95.3	↑5.7
2/20 15:00	101.1	↑5.8
2/20 15:10	107.1	↑6.0
2/20 15:20	113.1	↑6.0
2/20 15:30	119.2	↑6.1
2/20 15:40	125.2	↑6.0
2/20 15:50	131.2	↑6.0
2/20 16:00	137.1	↑5.9
2/20 16:10	142.8	↑5.7
2/20 16:20	148.4	↑5.6
2/20 16:30	153.7	↑5.3
2/20 16:40	158.7	↑5.0
2/20 16:50	163.4	↑4.7
2/20 17:00	167.7	↑4.3
2/20 17:10	171.7	↑4.0
2/20 17:20	175.2	↑3.5
2/20 17:30	178.2	↑3.0
2/20 17:40	180.8	↑2.6
2/20 17:50	182.8	↑2.0
2/20 18:00	184.3	↑1.5
2/20 18:10	185.2	↑0.9
2/20 18:20	185.6	↑0.4	満潮
2/20 18:30	185.4	↓-0.2
2/20 18:40	184.6	↓-0.8
2/20 18:50	183.2	↓-1.4
2/20 19:00	181.2	↓-2.0
2/20 19:10	178.7	↓-2.5
2/20 19:20	175.6	↓-3.1
2/20 19:30	171.9	↓-3.7
2/20 19:40	167.8	↓-4.1
2/20 19:50	163.1	↓-4.7
2/20 20:00	157.9	↓-5.2
2/20 20:10	152.4	↓-5.5
2/20 20:20	146.4	↓-6.0
2/20 20:30	140.0	↓-6.4
2/20 20:40	133.3	↓-6.7
2/20 20:50	126.3	↓-7.0
2/20 21:00	119.1	↓-7.2
2/20 21:10	111.7	↓-7.4
2/20 21:20	104.1	↓-7.6
2/20 21:30	96.4	↓-7.7	最大潮位差
2/20 21:40	88.7	↓-7.7	最大潮位差
2/20 21:50	81.0	↓-7.7	最大潮位差
2/20 22:00	73.3	↓-7.7	最大潮位差
2/20 22:10	65.7	↓-7.6
2/20 22:20	58.3	↓-7.4
2/20 22:30	51.0	↓-7.3
2/20 22:40	44.0	↓-7.0
2/20 22:50	37.3	↓-6.7
2/20 23:00	30.9	↓-6.4
2/20 23:10	24.8	↓-6.1
2/20 23:20	19.2	↓-5.6
2/20 23:30	14.0	↓-5.2
2/20 23:40	9.3	↓-4.7
2/20 23:50	5.1	↓-4.2