18 (月)	08:56	02:35	20:36	14:40
	157cm	7cm	167cm	47cm
中潮 出 07:11 入 18:36 出 20:29 入 08:30

長山（沖縄）2041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	61.4	↓-6.3	最大潮位差
2/18 00:10	55.3	↓-6.1
2/18 00:20	49.5	↓-5.8
2/18 00:30	43.8	↓-5.7
2/18 00:40	38.5	↓-5.3
2/18 00:50	33.5	↓-5.0
2/18 01:00	28.8	↓-4.7
2/18 01:10	24.5	↓-4.3
2/18 01:20	20.6	↓-3.9
2/18 01:30	17.2	↓-3.4
2/18 01:40	14.2	↓-3.0
2/18 01:50	11.7	↓-2.5
2/18 02:00	9.7	↓-2.0
2/18 02:10	8.2	↓-1.5
2/18 02:20	7.2	↓-1.0
2/18 02:30	6.7	↓-0.5	干潮
2/18 02:40	6.8	↑0.1
2/18 02:50	7.4	↑0.6
2/18 03:00	8.5	↑1.1
2/18 03:10	10.2	↑1.7
2/18 03:20	12.3	↑2.1
2/18 03:30	14.9	↑2.6
2/18 03:40	18.0	↑3.1
2/18 03:50	21.5	↑3.5
2/18 04:00	25.4	↑3.9
2/18 04:10	29.8	↑4.4
2/18 04:20	34.4	↑4.6
2/18 04:30	39.4	↑5.0
2/18 04:40	44.7	↑5.3
2/18 04:50	50.3	↑5.6
2/18 05:00	56.0	↑5.7
2/18 05:10	62.0	↑6.0
2/18 05:20	68.0	↑6.0
2/18 05:30	74.2	↑6.2
2/18 05:40	80.4	↑6.2
2/18 05:50	86.6	↑6.2
2/18 06:00	92.7	↑6.1
2/18 06:10	98.8	↑6.1
2/18 06:20	104.8	↑6.0
2/18 06:30	110.6	↑5.8
2/18 06:40	116.1	↑5.5
2/18 06:50	121.5	↑5.4
2/18 07:00	126.6	↑5.1
2/18 07:10	131.3	↑4.7
2/18 07:20	135.7	↑4.4
2/18 07:30	139.8	↑4.1
2/18 07:40	143.5	↑3.7
2/18 07:50	146.7	↑3.2
2/18 08:00	149.5	↑2.8
2/18 08:10	151.9	↑2.4
2/18 08:20	153.8	↑1.9
2/18 08:30	155.2	↑1.4
2/18 08:40	156.2	↑1.0
2/18 08:50	156.6	↑0.4	満潮
2/18 09:00	156.6	0
2/18 09:10	156.1	↓-0.5
2/18 09:20	155.2	↓-0.9
2/18 09:30	153.8	↓-1.4
2/18 09:40	151.9	↓-1.9
2/18 09:50	149.6	↓-2.3
2/18 10:00	147.0	↓-2.6
2/18 10:10	143.9	↓-3.1
2/18 10:20	140.5	↓-3.4
2/18 10:30	136.8	↓-3.7
2/18 10:40	132.8	↓-4.0
2/18 10:50	128.6	↓-4.2
2/18 11:00	124.1	↓-4.5
2/18 11:10	119.5	↓-4.6
2/18 11:20	114.7	↓-4.8
2/18 11:30	109.8	↓-4.9
2/18 11:40	104.9	↓-4.9
2/18 11:50	99.9	↓-5.0
2/18 12:00	94.9	↓-5.0
2/18 12:10	90.0	↓-4.9
2/18 12:20	85.2	↓-4.8
2/18 12:30	80.6	↓-4.6
2/18 12:40	76.1	↓-4.5
2/18 12:50	71.8	↓-4.3
2/18 13:00	67.8	↓-4.0
2/18 13:10	64.0	↓-3.8
2/18 13:20	60.6	↓-3.4
2/18 13:30	57.5	↓-3.1
2/18 13:40	54.7	↓-2.8
2/18 13:50	52.4	↓-2.3
2/18 14:00	50.4	↓-2.0
2/18 14:10	48.9	↓-1.5
2/18 14:20	47.8	↓-1.1
2/18 14:30	47.1	↓-0.7	干潮
2/18 14:40	46.9	↓-0.2	干潮
2/18 14:50	47.2	↑0.3
2/18 15:00	47.9	↑0.7
2/18 15:10	49.1	↑1.2
2/18 15:20	50.7	↑1.6
2/18 15:30	52.7	↑2.0
2/18 15:40	55.1	↑2.4
2/18 15:50	58.0	↑2.9
2/18 16:00	61.2	↑3.2
2/18 16:10	64.8	↑3.6
2/18 16:20	68.6	↑3.8
2/18 16:30	72.8	↑4.2
2/18 16:40	77.3	↑4.5
2/18 16:50	82.0	↑4.7
2/18 17:00	86.9	↑4.9
2/18 17:10	91.9	↑5.0
2/18 17:20	97.1	↑5.2
2/18 17:30	102.3	↑5.2
2/18 17:40	107.6	↑5.3
2/18 17:50	112.9	↑5.3
2/18 18:00	118.1	↑5.2
2/18 18:10	123.2	↑5.1
2/18 18:20	128.3	↑5.1
2/18 18:30	133.1	↑4.8
2/18 18:40	137.8	↑4.7
2/18 18:50	142.2	↑4.4
2/18 19:00	146.4	↑4.2
2/18 19:10	150.2	↑3.8
2/18 19:20	153.7	↑3.5
2/18 19:30	156.8	↑3.1
2/18 19:40	159.6	↑2.8
2/18 19:50	161.9	↑2.3
2/18 20:00	163.8	↑1.9
2/18 20:10	165.2	↑1.4
2/18 20:20	166.2	↑1.0
2/18 20:30	166.7	↑0.5	満潮
2/18 20:40	166.7	0
2/18 20:50	166.2	↓-0.5
2/18 21:00	165.2	↓-1.0
2/18 21:10	163.7	↓-1.5
2/18 21:20	161.8	↓-1.9
2/18 21:30	159.3	↓-2.5
2/18 21:40	156.4	↓-2.9
2/18 21:50	153.1	↓-3.3
2/18 22:00	149.4	↓-3.7
2/18 22:10	145.2	↓-4.2
2/18 22:20	140.7	↓-4.5
2/18 22:30	135.9	↓-4.8
2/18 22:40	130.7	↓-5.2
2/18 22:50	125.2	↓-5.5
2/18 23:00	119.5	↓-5.7
2/18 23:10	113.6	↓-5.9
2/18 23:20	107.6	↓-6.0
2/18 23:30	101.4	↓-6.2
2/18 23:40	95.1	↓-6.3	最大潮位差
2/18 23:50	88.8	↓-6.3	最大潮位差