18 (土)	08:24	02:04	20:06	14:09
	159cm	6cm	171cm	44cm
大潮 出 07:11 入 18:36 出 07:46 入 19:43

長山（沖縄）2045年02月18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
2/18 00:00	42.9	↓-5.7
2/18 00:10	37.4	↓-5.5
2/18 00:20	32.3	↓-5.1
2/18 00:30	27.6	↓-4.7
2/18 00:40	23.2	↓-4.4
2/18 00:50	19.3	↓-3.9
2/18 01:00	15.8	↓-3.5
2/18 01:10	12.8	↓-3.0
2/18 01:20	10.3	↓-2.5
2/18 01:30	8.3	↓-2.0
2/18 01:40	6.8	↓-1.5
2/18 01:50	5.8	↓-1.0
2/18 02:00	5.4	↓-0.4	干潮
2/18 02:10	5.5	↑0.1
2/18 02:20	6.2	↑0.7
2/18 02:30	7.3	↑1.1
2/18 02:40	9.0	↑1.7
2/18 02:50	11.2	↑2.2
2/18 03:00	13.9	↑2.7
2/18 03:10	17.1	↑3.2
2/18 03:20	20.7	↑3.6
2/18 03:30	24.8	↑4.1
2/18 03:40	29.2	↑4.4
2/18 03:50	34.0	↑4.8
2/18 04:00	39.2	↑5.2
2/18 04:10	44.6	↑5.4
2/18 04:20	50.3	↑5.7
2/18 04:30	56.2	↑5.9
2/18 04:40	62.3	↑6.1
2/18 04:50	68.6	↑6.3
2/18 05:00	74.9	↑6.3
2/18 05:10	81.2	↑6.3
2/18 05:20	87.6	↑6.4
2/18 05:30	93.9	↑6.3
2/18 05:40	100.2	↑6.3
2/18 05:50	106.3	↑6.1
2/18 06:00	112.2	↑5.9
2/18 06:10	117.9	↑5.7
2/18 06:20	123.4	↑5.5
2/18 06:30	128.6	↑5.2
2/18 06:40	133.4	↑4.8
2/18 06:50	137.9	↑4.5
2/18 07:00	142.1	↑4.2
2/18 07:10	145.8	↑3.7
2/18 07:20	149.1	↑3.3
2/18 07:30	151.9	↑2.8
2/18 07:40	154.2	↑2.3
2/18 07:50	156.1	↑1.9
2/18 08:00	157.5	↑1.4
2/18 08:10	158.4	↑0.9
2/18 08:20	158.8	↑0.4	満潮
2/18 08:30	158.7	↓-0.1
2/18 08:40	158.1	↓-0.6
2/18 08:50	157.0	↓-1.1
2/18 09:00	155.4	↓-1.6
2/18 09:10	153.4	↓-2.0
2/18 09:20	150.9	↓-2.5
2/18 09:30	148.1	↓-2.8
2/18 09:40	144.8	↓-3.3
2/18 09:50	141.2	↓-3.6
2/18 10:00	137.3	↓-3.9
2/18 10:10	133.0	↓-4.3
2/18 10:20	128.5	↓-4.5
2/18 10:30	123.8	↓-4.7
2/18 10:40	118.9	↓-4.9
2/18 10:50	113.9	↓-5.0
2/18 11:00	108.7	↓-5.2
2/18 11:10	103.5	↓-5.2
2/18 11:20	98.3	↓-5.2
2/18 11:30	93.1	↓-5.2
2/18 11:40	88.0	↓-5.1
2/18 11:50	83.0	↓-5.0
2/18 12:00	78.1	↓-4.9
2/18 12:10	73.5	↓-4.6
2/18 12:20	69.0	↓-4.5
2/18 12:30	64.8	↓-4.2
2/18 12:40	60.9	↓-3.9
2/18 12:50	57.4	↓-3.5
2/18 13:00	54.2	↓-3.2
2/18 13:10	51.3	↓-2.9
2/18 13:20	48.9	↓-2.4
2/18 13:30	46.9	↓-2.0
2/18 13:40	45.4	↓-1.5
2/18 13:50	44.3	↓-1.1
2/18 14:00	43.6	↓-0.7	干潮
2/18 14:10	43.5	↓-0.1
2/18 14:20	43.8	↑0.3
2/18 14:30	44.6	↑0.8
2/18 14:40	45.8	↑1.2
2/18 14:50	47.6	↑1.8
2/18 15:00	49.7	↑2.1
2/18 15:10	52.3	↑2.6
2/18 15:20	55.4	↑3.1
2/18 15:30	58.8	↑3.4
2/18 15:40	62.6	↑3.8
2/18 15:50	66.7	↑4.1
2/18 16:00	71.2	↑4.5
2/18 16:10	75.9	↑4.7
2/18 16:20	80.9	↑5.0
2/18 16:30	86.0	↑5.1
2/18 16:40	91.4	↑5.4
2/18 16:50	96.8	↑5.4
2/18 17:00	102.4	↑5.6
2/18 17:10	108.0	↑5.6
2/18 17:20	113.5	↑5.5
2/18 17:30	119.1	↑5.6
2/18 17:40	124.6	↑5.5
2/18 17:50	129.9	↑5.3
2/18 18:00	135.0	↑5.1
2/18 18:10	140.0	↑5.0
2/18 18:20	144.7	↑4.7
2/18 18:30	149.1	↑4.4
2/18 18:40	153.2	↑4.1
2/18 18:50	156.9	↑3.7
2/18 19:00	160.2	↑3.3
2/18 19:10	163.1	↑2.9
2/18 19:20	165.6	↑2.5
2/18 19:30	167.6	↑2.0
2/18 19:40	169.2	↑1.6
2/18 19:50	170.2	↑1.0
2/18 20:00	170.7	↑0.5	満潮
2/18 20:10	170.7	0
2/18 20:20	170.2	↓-0.5
2/18 20:30	169.2	↓-1.0
2/18 20:40	167.6	↓-1.6
2/18 20:50	165.6	↓-2.0
2/18 21:00	163.0	↓-2.6
2/18 21:10	160.0	↓-3.0
2/18 21:20	156.5	↓-3.5
2/18 21:30	152.5	↓-4.0
2/18 21:40	148.2	↓-4.3
2/18 21:50	143.4	↓-4.8
2/18 22:00	138.3	↓-5.1
2/18 22:10	132.8	↓-5.5
2/18 22:20	127.1	↓-5.7
2/18 22:30	121.1	↓-6.0
2/18 22:40	114.9	↓-6.2
2/18 22:50	108.5	↓-6.4
2/18 23:00	102.0	↓-6.5
2/18 23:10	95.3	↓-6.7	最大潮位差
2/18 23:20	88.7	↓-6.6
2/18 23:30	82.1	↓-6.6
2/18 23:40	75.5	↓-6.6
2/18 23:50	69.0	↓-6.5