20 (金)	05:35	12:03	18:14	-
	179cm	45cm	166cm	-
中潮 出 05:54 入 19:19 出 04:14 入 16:55

長山（沖縄）2039年05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
5/20 00:00	67.2	↑1.1
5/20 00:10	68.8	↑1.6
5/20 00:20	70.7	↑1.9
5/20 00:30	72.9	↑2.2
5/20 00:40	75.5	↑2.6
5/20 00:50	78.5	↑3.0
5/20 01:00	81.7	↑3.2
5/20 01:10	85.2	↑3.5
5/20 01:20	89.0	↑3.8
5/20 01:30	93.0	↑4.0
5/20 01:40	97.3	↑4.3
5/20 01:50	101.7	↑4.4
5/20 02:00	106.2	↑4.5
5/20 02:10	110.9	↑4.7
5/20 02:20	115.7	↑4.8
5/20 02:30	120.6	↑4.9
5/20 02:40	125.4	↑4.8
5/20 02:50	130.2	↑4.8
5/20 03:00	135.0	↑4.8
5/20 03:10	139.7	↑4.7
5/20 03:20	144.3	↑4.6
5/20 03:30	148.7	↑4.4
5/20 03:40	153.0	↑4.3
5/20 03:50	157.0	↑4.0
5/20 04:00	160.7	↑3.7
5/20 04:10	164.2	↑3.5
5/20 04:20	167.3	↑3.1
5/20 04:30	170.1	↑2.8
5/20 04:40	172.6	↑2.5
5/20 04:50	174.6	↑2.0
5/20 05:00	176.3	↑1.7
5/20 05:10	177.6	↑1.3
5/20 05:20	178.4	↑0.8
5/20 05:30	178.8	↑0.4	満潮
5/20 05:40	178.7	↓-0.1
5/20 05:50	178.3	↓-0.4
5/20 06:00	177.3	↓-1.0
5/20 06:10	176.0	↓-1.3
5/20 06:20	174.2	↓-1.8
5/20 06:30	172.0	↓-2.2
5/20 06:40	169.4	↓-2.6
5/20 06:50	166.4	↓-3.0
5/20 07:00	163.1	↓-3.3
5/20 07:10	159.4	↓-3.7
5/20 07:20	155.4	↓-4.0
5/20 07:30	151.1	↓-4.3
5/20 07:40	146.6	↓-4.5
5/20 07:50	141.8	↓-4.8
5/20 08:00	136.8	↓-5.0
5/20 08:10	131.7	↓-5.1
5/20 08:20	126.4	↓-5.3
5/20 08:30	121.0	↓-5.4
5/20 08:40	115.6	↓-5.4
5/20 08:50	110.2	↓-5.4
5/20 09:00	104.7	↓-5.5	最大潮位差
5/20 09:10	99.3	↓-5.4
5/20 09:20	94.0	↓-5.3
5/20 09:30	88.9	↓-5.1
5/20 09:40	83.8	↓-5.1
5/20 09:50	79.0	↓-4.8
5/20 10:00	74.4	↓-4.6
5/20 10:10	70.0	↓-4.4
5/20 10:20	65.9	↓-4.1
5/20 10:30	62.1	↓-3.8
5/20 10:40	58.6	↓-3.5
5/20 10:50	55.5	↓-3.1
5/20 11:00	52.7	↓-2.8
5/20 11:10	50.4	↓-2.3
5/20 11:20	48.4	↓-2.0
5/20 11:30	46.8	↓-1.6
5/20 11:40	45.7	↓-1.1
5/20 11:50	45.0	↓-0.7
5/20 12:00	44.7	↓-0.3	干潮
5/20 12:10	44.8	↑0.1
5/20 12:20	45.4	↑0.6
5/20 12:30	46.4	↑1.0
5/20 12:40	47.8	↑1.4
5/20 12:50	49.6	↑1.8
5/20 13:00	51.9	↑2.3
5/20 13:10	54.5	↑2.6
5/20 13:20	57.4	↑2.9
5/20 13:30	60.7	↑3.3
5/20 13:40	64.3	↑3.6
5/20 13:50	68.3	↑4.0
5/20 14:00	72.4	↑4.1
5/20 14:10	76.8	↑4.4
5/20 14:20	81.5	↑4.7
5/20 14:30	86.2	↑4.7
5/20 14:40	91.2	↑5.0
5/20 14:50	96.2	↑5.0
5/20 15:00	101.2	↑5.0
5/20 15:10	106.4	↑5.2
5/20 15:20	111.4	↑5.0
5/20 15:30	116.5	↑5.1
5/20 15:40	121.5	↑5.0
5/20 15:50	126.3	↑4.8
5/20 16:00	131.0	↑4.7
5/20 16:10	135.5	↑4.5
5/20 16:20	139.8	↑4.3
5/20 16:30	143.8	↑4.0
5/20 16:40	147.5	↑3.7
5/20 16:50	151.0	↑3.5
5/20 17:00	154.1	↑3.1
5/20 17:10	156.8	↑2.7
5/20 17:20	159.2	↑2.4
5/20 17:30	161.2	↑2.0
5/20 17:40	162.8	↑1.6
5/20 17:50	163.9	↑1.1
5/20 18:00	164.7	↑0.8
5/20 18:10	165.0	↑0.3	満潮
5/20 18:20	165.0	0
5/20 18:30	164.5	↓-0.5
5/20 18:40	163.6	↓-0.9
5/20 18:50	162.3	↓-1.3
5/20 19:00	160.6	↓-1.7
5/20 19:10	158.6	↓-2.0
5/20 19:20	156.2	↓-2.4
5/20 19:30	153.5	↓-2.7
5/20 19:40	150.5	↓-3.0
5/20 19:50	147.2	↓-3.3
5/20 20:00	143.6	↓-3.6
5/20 20:10	139.9	↓-3.7
5/20 20:20	135.9	↓-4.0
5/20 20:30	131.8	↓-4.1
5/20 20:40	127.6	↓-4.2
5/20 20:50	123.3	↓-4.3
5/20 21:00	119.0	↓-4.3
5/20 21:10	114.6	↓-4.4
5/20 21:20	110.3	↓-4.3
5/20 21:30	106.0	↓-4.3
5/20 21:40	101.8	↓-4.2
5/20 21:50	97.7	↓-4.1
5/20 22:00	93.7	↓-4.0
5/20 22:10	90.0	↓-3.7
5/20 22:20	86.5	↓-3.5
5/20 22:30	83.2	↓-3.3
5/20 22:40	80.2	↓-3.0
5/20 22:50	77.4	↓-2.8
5/20 23:00	75.0	↓-2.4
5/20 23:10	72.9	↓-2.1
5/20 23:20	71.2	↓-1.7
5/20 23:30	69.9	↓-1.3
5/20 23:40	68.9	↓-1.0
5/20 23:50	68.3	↓-0.6