20 (金)	10:11	03:54	22:20	16:18
	154cm	31cm	144cm	44cm
中潮 出 07:09 入 18:37 出 10:09 入 22:50

長山（沖縄）2037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	115.3	↓-4.7
2/20 00:10	110.5	↓-4.8
2/20 00:20	105.6	↓-4.9
2/20 00:30	100.5	↓-5.1
2/20 00:40	95.4	↓-5.1
2/20 00:50	90.2	↓-5.2	最大潮位差
2/20 01:00	85.1	↓-5.1
2/20 01:10	80.0	↓-5.1
2/20 01:20	75.0	↓-5.0
2/20 01:30	70.1	↓-4.9
2/20 01:40	65.3	↓-4.8
2/20 01:50	60.8	↓-4.5
2/20 02:00	56.4	↓-4.4
2/20 02:10	52.3	↓-4.1
2/20 02:20	48.5	↓-3.8
2/20 02:30	45.0	↓-3.5
2/20 02:40	41.8	↓-3.2
2/20 02:50	39.0	↓-2.8
2/20 03:00	36.5	↓-2.5
2/20 03:10	34.5	↓-2.0
2/20 03:20	32.8	↓-1.7
2/20 03:30	31.6	↓-1.2
2/20 03:40	30.8	↓-0.8
2/20 03:50	30.5	↓-0.3	干潮
2/20 04:00	30.5	0
2/20 04:10	31.1	↑0.6
2/20 04:20	32.0	↑0.9
2/20 04:30	33.4	↑1.4
2/20 04:40	35.2	↑1.8
2/20 04:50	37.4	↑2.2
2/20 05:00	40.0	↑2.6
2/20 05:10	43.0	↑3.0
2/20 05:20	46.3	↑3.3
2/20 05:30	49.9	↑3.6
2/20 05:40	53.9	↑4.0
2/20 05:50	58.1	↑4.2
2/20 06:00	62.5	↑4.4
2/20 06:10	67.1	↑4.6
2/20 06:20	71.9	↑4.8
2/20 06:30	76.9	↑5.0
2/20 06:40	81.9	↑5.0
2/20 06:50	87.0	↑5.1
2/20 07:00	92.2	↑5.2	最大潮位差
2/20 07:10	97.3	↑5.1
2/20 07:20	102.4	↑5.1
2/20 07:30	107.4	↑5.0
2/20 07:40	112.3	↑4.9
2/20 07:50	117.0	↑4.7
2/20 08:00	121.6	↑4.6
2/20 08:10	125.9	↑4.3
2/20 08:20	130.0	↑4.1
2/20 08:30	133.9	↑3.9
2/20 08:40	137.4	↑3.5
2/20 08:50	140.7	↑3.3
2/20 09:00	143.6	↑2.9
2/20 09:10	146.1	↑2.5
2/20 09:20	148.3	↑2.2
2/20 09:30	150.1	↑1.8
2/20 09:40	151.5	↑1.4
2/20 09:50	152.5	↑1.0
2/20 10:00	153.1	↑0.6
2/20 10:10	153.3	↑0.2	満潮
2/20 10:20	153.0	↓-0.3
2/20 10:30	152.4	↓-0.6
2/20 10:40	151.4	↓-1.0
2/20 10:50	150.0	↓-1.4
2/20 11:00	148.2	↓-1.8
2/20 11:10	146.0	↓-2.2
2/20 11:20	143.5	↓-2.5
2/20 11:30	140.7	↓-2.8
2/20 11:40	137.6	↓-3.1
2/20 11:50	134.2	↓-3.4
2/20 12:00	130.5	↓-3.7
2/20 12:10	126.6	↓-3.9
2/20 12:20	122.5	↓-4.1
2/20 12:30	118.2	↓-4.3
2/20 12:40	113.7	↓-4.5
2/20 12:50	109.2	↓-4.5
2/20 13:00	104.6	↓-4.6
2/20 13:10	99.9	↓-4.7
2/20 13:20	95.2	↓-4.7
2/20 13:30	90.6	↓-4.6
2/20 13:40	86.0	↓-4.6
2/20 13:50	81.4	↓-4.6
2/20 14:00	77.1	↓-4.3
2/20 14:10	72.8	↓-4.3
2/20 14:20	68.8	↓-4.0
2/20 14:30	65.0	↓-3.8
2/20 14:40	61.4	↓-3.6
2/20 14:50	58.1	↓-3.3
2/20 15:00	55.0	↓-3.1
2/20 15:10	52.3	↓-2.7
2/20 15:20	50.0	↓-2.3
2/20 15:30	48.0	↓-2.0
2/20 15:40	46.3	↓-1.7
2/20 15:50	45.0	↓-1.3
2/20 16:00	44.2	↓-0.8
2/20 16:10	43.7	↓-0.5	干潮
2/20 16:20	43.6	↓-0.1
2/20 16:30	43.9	↑0.3
2/20 16:40	44.6	↑0.7
2/20 16:50	45.7	↑1.1
2/20 17:00	47.1	↑1.4
2/20 17:10	48.9	↑1.8
2/20 17:20	51.1	↑2.2
2/20 17:30	53.6	↑2.5
2/20 17:40	56.4	↑2.8
2/20 17:50	59.4	↑3.0
2/20 18:00	62.8	↑3.4
2/20 18:10	66.4	↑3.6
2/20 18:20	70.1	↑3.7
2/20 18:30	74.1	↑4.0
2/20 18:40	78.2	↑4.1
2/20 18:50	82.4	↑4.2
2/20 19:00	86.7	↑4.3
2/20 19:10	91.0	↑4.3
2/20 19:20	95.4	↑4.4
2/20 19:30	99.7	↑4.3
2/20 19:40	104.0	↑4.3
2/20 19:50	108.2	↑4.2
2/20 20:00	112.3	↑4.1
2/20 20:10	116.3	↑4.0
2/20 20:20	120.1	↑3.8
2/20 20:30	123.6	↑3.5
2/20 20:40	127.0	↑3.4
2/20 20:50	130.1	↑3.1
2/20 21:00	132.9	↑2.8
2/20 21:10	135.5	↑2.6
2/20 21:20	137.7	↑2.2
2/20 21:30	139.6	↑1.9
2/20 21:40	141.2	↑1.6
2/20 21:50	142.4	↑1.2
2/20 22:00	143.3	↑0.9
2/20 22:10	143.8	↑0.5	満潮
2/20 22:20	143.9	↑0.1	満潮
2/20 22:30	143.7	↓-0.2
2/20 22:40	143.1	↓-0.6
2/20 22:50	142.2	↓-0.9
2/20 23:00	140.9	↓-1.3
2/20 23:10	139.3	↓-1.6
2/20 23:20	137.3	↓-2.0
2/20 23:30	135.0	↓-2.3
2/20 23:40	132.4	↓-2.6
2/20 23:50	129.5	↓-2.9