13 (土)	08:44	02:21	20:21	14:24
	159cm	-6cm	176cm	47cm
大潮 出 07:14 入 18:33 出 08:21 入 19:56

長山（沖縄）2021年02月13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
2/13 00:00	45.8	↓-6.8
2/13 00:10	39.3	↓-6.5
2/13 00:20	33.1	↓-6.2
2/13 00:30	27.2	↓-5.9
2/13 00:40	21.8	↓-5.4
2/13 00:50	16.7	↓-5.1
2/13 01:00	12.1	↓-4.6
2/13 01:10	7.9	↓-4.2
2/13 01:20	4.2	↓-3.7
2/13 01:30	1.1	↓-3.1
2/13 01:40	-1.5	↓-2.6
2/13 01:50	-3.5	↓-2.0
2/13 02:00	-5.0	↓-1.5
2/13 02:10	-5.9	↓-0.9
2/13 02:20	-6.2	↓-0.3	干潮
2/13 02:30	-6.0	↑0.2
2/13 02:40	-5.1	↑0.9
2/13 02:50	-3.7	↑1.4
2/13 03:00	-1.8	↑1.9
2/13 03:10	0.8	↑2.6
2/13 03:20	3.8	↑3.0
2/13 03:30	7.3	↑3.5
2/13 03:40	11.3	↑4.0
2/13 03:50	15.8	↑4.5
2/13 04:00	20.6	↑4.8
2/13 04:10	25.9	↑5.3
2/13 04:20	31.5	↑5.6
2/13 04:30	37.3	↑5.8
2/13 04:40	43.5	↑6.2
2/13 04:50	49.9	↑6.4
2/13 05:00	56.4	↑6.5
2/13 05:10	63.1	↑6.7
2/13 05:20	69.8	↑6.7
2/13 05:30	76.6	↑6.8
2/13 05:40	83.4	↑6.8
2/13 05:50	90.1	↑6.7
2/13 06:00	96.8	↑6.7
2/13 06:10	103.2	↑6.4
2/13 06:20	109.5	↑6.3
2/13 06:30	115.6	↑6.1
2/13 06:40	121.3	↑5.7
2/13 06:50	126.8	↑5.5
2/13 07:00	131.9	↑5.1
2/13 07:10	136.7	↑4.8
2/13 07:20	141.0	↑4.3
2/13 07:30	144.9	↑3.9
2/13 07:40	148.4	↑3.5
2/13 07:50	151.4	↑3.0
2/13 08:00	153.8	↑2.4
2/13 08:10	155.8	↑2.0
2/13 08:20	157.3	↑1.5
2/13 08:30	158.2	↑0.9
2/13 08:40	158.7	↑0.5	満潮
2/13 08:50	158.6	↓-0.1
2/13 09:00	158.0	↓-0.6
2/13 09:10	156.9	↓-1.1
2/13 09:20	155.4	↓-1.5
2/13 09:30	153.4	↓-2.0
2/13 09:40	150.9	↓-2.5
2/13 09:50	148.0	↓-2.9
2/13 10:00	144.7	↓-3.3
2/13 10:10	141.1	↓-3.6
2/13 10:20	137.2	↓-3.9
2/13 10:30	132.9	↓-4.3
2/13 10:40	128.4	↓-4.5
2/13 10:50	123.7	↓-4.7
2/13 11:00	118.8	↓-4.9
2/13 11:10	113.8	↓-5.0
2/13 11:20	108.7	↓-5.1
2/13 11:30	103.6	↓-5.1
2/13 11:40	98.4	↓-5.2
2/13 11:50	93.3	↓-5.1
2/13 12:00	88.2	↓-5.1
2/13 12:10	83.3	↓-4.9
2/13 12:20	78.6	↓-4.7
2/13 12:30	74.0	↓-4.6
2/13 12:40	69.7	↓-4.3
2/13 12:50	65.7	↓-4.0
2/13 13:00	61.9	↓-3.8
2/13 13:10	58.5	↓-3.4
2/13 13:20	55.5	↓-3.0
2/13 13:30	52.9	↓-2.6
2/13 13:40	50.7	↓-2.2
2/13 13:50	48.9	↓-1.8
2/13 14:00	47.6	↓-1.3
2/13 14:10	46.7	↓-0.9
2/13 14:20	46.4	↓-0.3	干潮
2/13 14:30	46.4	0
2/13 14:40	47.0	↑0.6
2/13 14:50	48.1	↑1.1
2/13 15:00	49.6	↑1.5
2/13 15:10	51.6	↑2.0
2/13 15:20	54.0	↑2.4
2/13 15:30	56.8	↑2.8
2/13 15:40	60.1	↑3.3
2/13 15:50	63.8	↑3.7
2/13 16:00	67.8	↑4.0
2/13 16:10	72.1	↑4.3
2/13 16:20	76.8	↑4.7
2/13 16:30	81.7	↑4.9
2/13 16:40	86.8	↑5.1
2/13 16:50	92.2	↑5.4
2/13 17:00	97.7	↑5.5
2/13 17:10	103.3	↑5.6
2/13 17:20	108.9	↑5.6
2/13 17:30	114.6	↑5.7
2/13 17:40	120.2	↑5.6
2/13 17:50	125.8	↑5.6
2/13 18:00	131.3	↑5.5
2/13 18:10	136.7	↑5.4
2/13 18:20	141.8	↑5.1
2/13 18:30	146.7	↑4.9
2/13 18:40	151.3	↑4.6
2/13 18:50	155.6	↑4.3
2/13 19:00	159.6	↑4.0
2/13 19:10	163.2	↑3.6
2/13 19:20	166.4	↑3.2
2/13 19:30	169.1	↑2.7
2/13 19:40	171.4	↑2.3
2/13 19:50	173.2	↑1.8
2/13 20:00	174.5	↑1.3
2/13 20:10	175.3	↑0.8
2/13 20:20	175.5	↑0.2	満潮
2/13 20:30	175.3	↓-0.2
2/13 20:40	174.4	↓-0.9
2/13 20:50	173.1	↓-1.3
2/13 21:00	171.2	↓-1.9
2/13 21:10	168.8	↓-2.4
2/13 21:20	165.9	↓-2.9
2/13 21:30	162.6	↓-3.3
2/13 21:40	158.7	↓-3.9
2/13 21:50	154.4	↓-4.3
2/13 22:00	149.6	↓-4.8
2/13 22:10	144.5	↓-5.1
2/13 22:20	139.0	↓-5.5
2/13 22:30	133.2	↓-5.8
2/13 22:40	127.1	↓-6.1
2/13 22:50	120.7	↓-6.4
2/13 23:00	114.2	↓-6.5
2/13 23:10	107.4	↓-6.8
2/13 23:20	100.6	↓-6.8
2/13 23:30	93.6	↓-7.0	最大潮位差
2/13 23:40	86.6	↓-7.0	最大潮位差
2/13 23:50	79.7	↓-6.9