18 (金)	09:12	02:54	21:00	15:03
	159cm	10cm	163cm	44cm
中潮 出 07:11 入 18:36 出 08:54 入 20:56

長山（沖縄）2056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	76.8	↓-6.5	最大潮位差
2/18 00:10	70.4	↓-6.4
2/18 00:20	64.1	↓-6.3
2/18 00:30	58.0	↓-6.1
2/18 00:40	52.1	↓-5.9
2/18 00:50	46.4	↓-5.7
2/18 01:00	41.0	↓-5.4
2/18 01:10	36.0	↓-5.0
2/18 01:20	31.3	↓-4.7
2/18 01:30	27.0	↓-4.3
2/18 01:40	23.1	↓-3.9
2/18 01:50	19.7	↓-3.4
2/18 02:00	16.7	↓-3.0
2/18 02:10	14.2	↓-2.5
2/18 02:20	12.3	↓-1.9
2/18 02:30	10.8	↓-1.5
2/18 02:40	9.9	↓-0.9
2/18 02:50	9.5	↓-0.4	干潮
2/18 03:00	9.6	↑0.1
2/18 03:10	10.2	↑0.6
2/18 03:20	11.4	↑1.2
2/18 03:30	13.1	↑1.7
2/18 03:40	15.3	↑2.2
2/18 03:50	18.0	↑2.7
2/18 04:00	21.1	↑3.1
2/18 04:10	24.7	↑3.6
2/18 04:20	28.6	↑3.9
2/18 04:30	33.0	↑4.4
2/18 04:40	37.7	↑4.7
2/18 04:50	42.8	↑5.1
2/18 05:00	48.1	↑5.3
2/18 05:10	53.7	↑5.6
2/18 05:20	59.4	↑5.7
2/18 05:30	65.4	↑6.0
2/18 05:40	71.4	↑6.0
2/18 05:50	77.6	↑6.2
2/18 06:00	83.8	↑6.2
2/18 06:10	89.9	↑6.1
2/18 06:20	96.0	↑6.1
2/18 06:30	102.1	↑6.1
2/18 06:40	108.0	↑5.9
2/18 06:50	113.7	↑5.7
2/18 07:00	119.2	↑5.5
2/18 07:10	124.5	↑5.3
2/18 07:20	129.4	↑4.9
2/18 07:30	134.1	↑4.7
2/18 07:40	138.4	↑4.3
2/18 07:50	142.4	↑4.0
2/18 08:00	145.9	↑3.5
2/18 08:10	149.0	↑3.1
2/18 08:20	151.7	↑2.7
2/18 08:30	153.9	↑2.2
2/18 08:40	155.7	↑1.8
2/18 08:50	156.9	↑1.2
2/18 09:00	157.7	↑0.8
2/18 09:10	158.0	↑0.3	満潮
2/18 09:20	157.8	↓-0.2
2/18 09:30	157.2	↓-0.6
2/18 09:40	156.1	↓-1.1
2/18 09:50	154.5	↓-1.6
2/18 10:00	152.5	↓-2.0
2/18 10:10	150.1	↓-2.4
2/18 10:20	147.2	↓-2.9
2/18 10:30	144.0	↓-3.2
2/18 10:40	140.5	↓-3.5
2/18 10:50	136.6	↓-3.9
2/18 11:00	132.4	↓-4.2
2/18 11:10	128.0	↓-4.4
2/18 11:20	123.4	↓-4.6
2/18 11:30	118.6	↓-4.8
2/18 11:40	113.7	↓-4.9
2/18 11:50	108.7	↓-5.0
2/18 12:00	103.6	↓-5.1
2/18 12:10	98.4	↓-5.2
2/18 12:20	93.4	↓-5.0
2/18 12:30	88.3	↓-5.1
2/18 12:40	83.4	↓-4.9
2/18 12:50	78.6	↓-4.8
2/18 13:00	74.0	↓-4.6
2/18 13:10	69.6	↓-4.4
2/18 13:20	65.5	↓-4.1
2/18 13:30	61.6	↓-3.9
2/18 13:40	58.0	↓-3.6
2/18 13:50	54.8	↓-3.2
2/18 14:00	52.0	↓-2.8
2/18 14:10	49.5	↓-2.5
2/18 14:20	47.5	↓-2.0
2/18 14:30	45.8	↓-1.7
2/18 14:40	44.6	↓-1.2
2/18 14:50	43.9	↓-0.7
2/18 15:00	43.6	↓-0.3	干潮
2/18 15:10	43.7	↑0.1
2/18 15:20	44.3	↑0.6
2/18 15:30	45.4	↑1.1
2/18 15:40	46.9	↑1.5
2/18 15:50	48.8	↑1.9
2/18 16:00	51.1	↑2.3
2/18 16:10	53.9	↑2.8
2/18 16:20	57.0	↑3.1
2/18 16:30	60.4	↑3.4
2/18 16:40	64.2	↑3.8
2/18 16:50	68.3	↑4.1
2/18 17:00	72.7	↑4.4
2/18 17:10	77.2	↑4.5
2/18 17:20	82.0	↑4.8
2/18 17:30	87.0	↑5.0
2/18 17:40	92.0	↑5.0
2/18 17:50	97.2	↑5.2
2/18 18:00	102.4	↑5.2
2/18 18:10	107.6	↑5.2
2/18 18:20	112.7	↑5.1
2/18 18:30	117.8	↑5.1
2/18 18:40	122.8	↑5.0
2/18 18:50	127.6	↑4.8
2/18 19:00	132.2	↑4.6
2/18 19:10	136.6	↑4.4
2/18 19:20	140.8	↑4.2
2/18 19:30	144.6	↑3.8
2/18 19:40	148.2	↑3.6
2/18 19:50	151.4	↑3.2
2/18 20:00	154.2	↑2.8
2/18 20:10	156.6	↑2.4
2/18 20:20	158.6	↑2.0
2/18 20:30	160.1	↑1.5
2/18 20:40	161.2	↑1.1
2/18 20:50	161.9	↑0.7	満潮
2/18 21:00	162.1	↑0.2	満潮
2/18 21:10	161.8	↓-0.3
2/18 21:20	161.0	↓-0.8
2/18 21:30	159.8	↓-1.2
2/18 21:40	158.1	↓-1.7
2/18 21:50	156.0	↓-2.1
2/18 22:00	153.4	↓-2.6
2/18 22:10	150.4	↓-3.0
2/18 22:20	147.0	↓-3.4
2/18 22:30	143.2	↓-3.8
2/18 22:40	139.0	↓-4.2
2/18 22:50	134.6	↓-4.4
2/18 23:00	129.8	↓-4.8
2/18 23:10	124.7	↓-5.1
2/18 23:20	119.4	↓-5.3
2/18 23:30	114.0	↓-5.4
2/18 23:40	108.3	↓-5.7
2/18 23:50	102.5	↓-5.8