20 (土)	08:21	01:56	19:57	13:55
	145cm	-13cm	174cm	41cm
大潮 出 07:20 入 18:48 出 19:32 入 07:46

久部良（沖縄）2038年02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
2/20 00:00	21.4	↓-5.7
2/20 00:10	16.0	↓-5.4
2/20 00:20	10.9	↓-5.1
2/20 00:30	6.3	↓-4.6
2/20 00:40	2.1	↓-4.2
2/20 00:50	-1.6	↓-3.7
2/20 01:00	-4.8	↓-3.2
2/20 01:10	-7.5	↓-2.7
2/20 01:20	-9.7	↓-2.2
2/20 01:30	-11.4	↓-1.7
2/20 01:40	-12.5	↓-1.1
2/20 01:50	-13.1	↓-0.6	干潮
2/20 02:00	-13.1	0
2/20 02:10	-12.6	↑0.5
2/20 02:20	-11.5	↑1.1
2/20 02:30	-9.9	↑1.6
2/20 02:40	-7.8	↑2.1
2/20 02:50	-5.2	↑2.6
2/20 03:00	-2.1	↑3.1
2/20 03:10	1.5	↑3.6
2/20 03:20	5.5	↑4.0
2/20 03:30	9.9	↑4.4
2/20 03:40	14.7	↑4.8
2/20 03:50	19.9	↑5.2
2/20 04:00	25.3	↑5.4
2/20 04:10	31.0	↑5.7
2/20 04:20	37.0	↑6.0
2/20 04:30	43.1	↑6.1
2/20 04:40	49.4	↑6.3
2/20 04:50	55.8	↑6.4
2/20 05:00	62.3	↑6.5
2/20 05:10	68.7	↑6.4
2/20 05:20	75.2	↑6.5
2/20 05:30	81.5	↑6.3
2/20 05:40	87.8	↑6.3
2/20 05:50	93.9	↑6.1
2/20 06:00	99.8	↑5.9
2/20 06:10	105.4	↑5.6
2/20 06:20	110.8	↑5.4
2/20 06:30	115.9	↑5.1
2/20 06:40	120.7	↑4.8
2/20 06:50	125.0	↑4.3
2/20 07:00	129.0	↑4.0
2/20 07:10	132.5	↑3.5
2/20 07:20	135.7	↑3.2
2/20 07:30	138.3	↑2.6
2/20 07:40	140.5	↑2.2
2/20 07:50	142.2	↑1.7
2/20 08:00	143.4	↑1.2
2/20 08:10	144.1	↑0.7
2/20 08:20	144.3	↑0.2	満潮
2/20 08:30	144.0	↓-0.3
2/20 08:40	143.3	↓-0.7
2/20 08:50	142.1	↓-1.2
2/20 09:00	140.4	↓-1.7
2/20 09:10	138.3	↓-2.1
2/20 09:20	135.8	↓-2.5
2/20 09:30	133.0	↓-2.8
2/20 09:40	129.7	↓-3.3
2/20 09:50	126.2	↓-3.5
2/20 10:00	122.3	↓-3.9
2/20 10:10	118.2	↓-4.1
2/20 10:20	113.9	↓-4.3
2/20 10:30	109.4	↓-4.5
2/20 10:40	104.7	↓-4.7
2/20 10:50	99.9	↓-4.8
2/20 11:00	95.1	↓-4.8
2/20 11:10	90.3	↓-4.8
2/20 11:20	85.5	↓-4.8
2/20 11:30	80.7	↓-4.8
2/20 11:40	76.1	↓-4.6
2/20 11:50	71.5	↓-4.6
2/20 12:00	67.2	↓-4.3
2/20 12:10	63.1	↓-4.1
2/20 12:20	59.2	↓-3.9
2/20 12:30	55.7	↓-3.5
2/20 12:40	52.4	↓-3.3
2/20 12:50	49.5	↓-2.9
2/20 13:00	47.0	↓-2.5
2/20 13:10	44.8	↓-2.2
2/20 13:20	43.1	↓-1.7
2/20 13:30	41.8	↓-1.3
2/20 13:40	40.9	↓-0.9
2/20 13:50	40.5	↓-0.4	干潮
2/20 14:00	40.6	↑0.1
2/20 14:10	41.1	↑0.5
2/20 14:20	42.1	↑1.0
2/20 14:30	43.5	↑1.4
2/20 14:40	45.4	↑1.9
2/20 14:50	47.8	↑2.4
2/20 15:00	50.6	↑2.8
2/20 15:10	53.7	↑3.1
2/20 15:20	57.3	↑3.6
2/20 15:30	61.3	↑4.0
2/20 15:40	65.6	↑4.3
2/20 15:50	70.2	↑4.6
2/20 16:00	75.0	↑4.8
2/20 16:10	80.2	↑5.2
2/20 16:20	85.5	↑5.3
2/20 16:30	91.0	↑5.5
2/20 16:40	96.6	↑5.6
2/20 16:50	102.3	↑5.7
2/20 17:00	108.1	↑5.8
2/20 17:10	113.9	↑5.8
2/20 17:20	119.6	↑5.7
2/20 17:30	125.3	↑5.7
2/20 17:40	130.8	↑5.5
2/20 17:50	136.1	↑5.3
2/20 18:00	141.3	↑5.2
2/20 18:10	146.2	↑4.9
2/20 18:20	150.8	↑4.6
2/20 18:30	155.0	↑4.2
2/20 18:40	158.9	↑3.9
2/20 18:50	162.5	↑3.6
2/20 19:00	165.5	↑3.0
2/20 19:10	168.2	↑2.7
2/20 19:20	170.3	↑2.1
2/20 19:30	172.0	↑1.7
2/20 19:40	173.1	↑1.1
2/20 19:50	173.7	↑0.6	満潮
2/20 20:00	173.7	0
2/20 20:10	173.3	↓-0.4
2/20 20:20	172.2	↓-1.1
2/20 20:30	170.6	↓-1.6
2/20 20:40	168.5	↓-2.1
2/20 20:50	165.8	↓-2.7
2/20 21:00	162.7	↓-3.1
2/20 21:10	159.0	↓-3.7
2/20 21:20	154.8	↓-4.2
2/20 21:30	150.2	↓-4.6
2/20 21:40	145.1	↓-5.1
2/20 21:50	139.7	↓-5.4
2/20 22:00	133.8	↓-5.9
2/20 22:10	127.7	↓-6.1
2/20 22:20	121.2	↓-6.5
2/20 22:30	114.5	↓-6.7
2/20 22:40	107.6	↓-6.9
2/20 22:50	100.5	↓-7.1
2/20 23:00	93.3	↓-7.2
2/20 23:10	86.0	↓-7.3	最大潮位差
2/20 23:20	78.7	↓-7.3	最大潮位差
2/20 23:30	71.4	↓-7.3	最大潮位差
2/20 23:40	64.2	↓-7.2
2/20 23:50	57.1	↓-7.1