21 (水)	10:00	03:43	21:44	15:41
	168cm	44cm	184cm	80cm
中潮 出 06:27 入 18:37 出 10:34 入 21:46

長山（沖縄）2050年09月21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
9/21 00:00	131.3	↓-5.6
9/21 00:10	125.5	↓-5.8
9/21 00:20	119.7	↓-5.8
9/21 00:30	113.8	↓-5.9	最大潮位差
9/21 00:40	108.0	↓-5.8
9/21 00:50	102.2	↓-5.8
9/21 01:00	96.5	↓-5.7
9/21 01:10	90.9	↓-5.6
9/21 01:20	85.5	↓-5.4
9/21 01:30	80.3	↓-5.2
9/21 01:40	75.3	↓-5.0
9/21 01:50	70.6	↓-4.7
9/21 02:00	66.1	↓-4.5
9/21 02:10	62.0	↓-4.1
9/21 02:20	58.3	↓-3.7
9/21 02:30	54.9	↓-3.4
9/21 02:40	51.9	↓-3.0
9/21 02:50	49.3	↓-2.6
9/21 03:00	47.2	↓-2.1
9/21 03:10	45.5	↓-1.7
9/21 03:20	44.2	↓-1.3
9/21 03:30	43.4	↓-0.8
9/21 03:40	43.1	↓-0.3	干潮
9/21 03:50	43.3	↑0.2
9/21 04:00	43.9	↑0.6
9/21 04:10	44.9	↑1.0
9/21 04:20	46.4	↑1.5
9/21 04:30	48.4	↑2.0
9/21 04:40	50.7	↑2.3
9/21 04:50	53.4	↑2.7
9/21 05:00	56.6	↑3.2
9/21 05:10	60.0	↑3.4
9/21 05:20	63.8	↑3.8
9/21 05:30	67.9	↑4.1
9/21 05:40	72.2	↑4.3
9/21 05:50	76.8	↑4.6
9/21 06:00	81.5	↑4.7
9/21 06:10	86.4	↑4.9
9/21 06:20	91.5	↑5.1
9/21 06:30	96.6	↑5.1
9/21 06:40	101.8	↑5.2
9/21 06:50	107.0	↑5.2
9/21 07:00	112.1	↑5.1
9/21 07:10	117.2	↑5.1
9/21 07:20	122.2	↑5.0
9/21 07:30	127.1	↑4.9
9/21 07:40	131.8	↑4.7
9/21 07:50	136.4	↑4.6
9/21 08:00	140.7	↑4.3
9/21 08:10	144.7	↑4.0
9/21 08:20	148.5	↑3.8
9/21 08:30	152.0	↑3.5
9/21 08:40	155.1	↑3.1
9/21 08:50	157.9	↑2.8
9/21 09:00	160.4	↑2.5
9/21 09:10	162.5	↑2.1
9/21 09:20	164.2	↑1.7
9/21 09:30	165.6	↑1.4
9/21 09:40	166.5	↑0.9
9/21 09:50	167.1	↑0.6	満潮
9/21 10:00	167.2	↑0.1	満潮
9/21 10:10	167.0	↓-0.2
9/21 10:20	166.4	↓-0.6
9/21 10:30	165.4	↓-1.0
9/21 10:40	164.1	↓-1.3
9/21 10:50	162.4	↓-1.7
9/21 11:00	160.3	↓-2.1
9/21 11:10	158.0	↓-2.3
9/21 11:20	155.4	↓-2.6
9/21 11:30	152.5	↓-2.9
9/21 11:40	149.4	↓-3.1
9/21 11:50	146.0	↓-3.4
9/21 12:00	142.5	↓-3.5
9/21 12:10	138.8	↓-3.7
9/21 12:20	135.0	↓-3.8
9/21 12:30	131.1	↓-3.9
9/21 12:40	127.1	↓-4.0
9/21 12:50	123.1	↓-4.0
9/21 13:00	119.1	↓-4.0
9/21 13:10	115.1	↓-4.0
9/21 13:20	111.2	↓-3.9
9/21 13:30	107.4	↓-3.8
9/21 13:40	103.7	↓-3.7
9/21 13:50	100.2	↓-3.5
9/21 14:00	96.9	↓-3.3
9/21 14:10	93.8	↓-3.1
9/21 14:20	90.9	↓-2.9
9/21 14:30	88.3	↓-2.6
9/21 14:40	86.0	↓-2.3
9/21 14:50	84.0	↓-2.0
9/21 15:00	82.4	↓-1.6
9/21 15:10	81.1	↓-1.3
9/21 15:20	80.1	↓-1.0
9/21 15:30	79.6	↓-0.5
9/21 15:40	79.4	↓-0.2	干潮
9/21 15:50	79.5	↑0.1
9/21 16:00	80.1	↑0.6
9/21 16:10	81.0	↑0.9
9/21 16:20	82.4	↑1.4
9/21 16:30	84.0	↑1.6
9/21 16:40	86.1	↑2.1
9/21 16:50	88.4	↑2.3
9/21 17:00	91.1	↑2.7
9/21 17:10	94.1	↑3.0
9/21 17:20	97.4	↑3.3
9/21 17:30	100.9	↑3.5
9/21 17:40	104.7	↑3.8
9/21 17:50	108.7	↑4.0
9/21 18:00	112.8	↑4.1
9/21 18:10	117.1	↑4.3
9/21 18:20	121.5	↑4.4
9/21 18:30	125.9	↑4.4
9/21 18:40	130.5	↑4.6
9/21 18:50	135.0	↑4.5
9/21 19:00	139.5	↑4.5
9/21 19:10	143.9	↑4.4
9/21 19:20	148.3	↑4.4
9/21 19:30	152.5	↑4.2
9/21 19:40	156.6	↑4.1
9/21 19:50	160.4	↑3.8
9/21 20:00	164.1	↑3.7
9/21 20:10	167.5	↑3.4
9/21 20:20	170.7	↑3.2
9/21 20:30	173.5	↑2.8
9/21 20:40	176.1	↑2.6
9/21 20:50	178.3	↑2.2
9/21 21:00	180.1	↑1.8
9/21 21:10	181.6	↑1.5
9/21 21:20	182.7	↑1.1
9/21 21:30	183.4	↑0.7
9/21 21:40	183.8	↑0.4	満潮
9/21 21:50	183.7	↓-0.1
9/21 22:00	183.2	↓-0.5
9/21 22:10	182.3	↓-0.9
9/21 22:20	181.1	↓-1.2
9/21 22:30	179.4	↓-1.7
9/21 22:40	177.3	↓-2.1
9/21 22:50	174.9	↓-2.4
9/21 23:00	172.1	↓-2.8
9/21 23:10	169.0	↓-3.1
9/21 23:20	165.5	↓-3.5
9/21 23:30	161.8	↓-3.7
9/21 23:40	157.7	↓-4.1
9/21 23:50	153.4	↓-4.3