20 (水)	06:09	12:04	18:00	-
	145cm	60cm	148cm	-
中潮 出 06:24 入 19:14 出 04:44 入 16:34

久部良（沖縄）2039年04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
4/20 00:00	36.6	↑0.5
4/20 00:10	37.5	↑0.9
4/20 00:20	38.7	↑1.2
4/20 00:30	40.3	↑1.6
4/20 00:40	42.2	↑1.9
4/20 00:50	44.4	↑2.2
4/20 01:00	46.9	↑2.5
4/20 01:10	49.7	↑2.8
4/20 01:20	52.8	↑3.1
4/20 01:30	56.1	↑3.3
4/20 01:40	59.7	↑3.6
4/20 01:50	63.4	↑3.7
4/20 02:00	67.3	↑3.9
4/20 02:10	71.4	↑4.1
4/20 02:20	75.6	↑4.2
4/20 02:30	79.9	↑4.3
4/20 02:40	84.3	↑4.4
4/20 02:50	88.7	↑4.4
4/20 03:00	93.1	↑4.4
4/20 03:10	97.5	↑4.4
4/20 03:20	101.8	↑4.3
4/20 03:30	106.1	↑4.3
4/20 03:40	110.2	↑4.1
4/20 03:50	114.2	↑4.0
4/20 04:00	118.1	↑3.9
4/20 04:10	121.7	↑3.6
4/20 04:20	125.2	↑3.5
4/20 04:30	128.4	↑3.2
4/20 04:40	131.4	↑3.0
4/20 04:50	134.1	↑2.7
4/20 05:00	136.5	↑2.4
4/20 05:10	138.6	↑2.1
4/20 05:20	140.4	↑1.8
4/20 05:30	141.8	↑1.4
4/20 05:40	143.0	↑1.2
4/20 05:50	143.7	↑0.7
4/20 06:00	144.2	↑0.5	満潮
4/20 06:10	144.3	↑0.1
4/20 06:20	144.1	↓-0.2
4/20 06:30	143.5	↓-0.6
4/20 06:40	142.6	↓-0.9
4/20 06:50	141.3	↓-1.3
4/20 07:00	139.8	↓-1.5
4/20 07:10	138.0	↓-1.8
4/20 07:20	135.9	↓-2.1
4/20 07:30	133.5	↓-2.4
4/20 07:40	130.8	↓-2.7
4/20 07:50	128.0	↓-2.8
4/20 08:00	124.9	↓-3.1
4/20 08:10	121.7	↓-3.2
4/20 08:20	118.3	↓-3.4
4/20 08:30	114.8	↓-3.5
4/20 08:40	111.2	↓-3.6
4/20 08:50	107.5	↓-3.7
4/20 09:00	103.8	↓-3.7
4/20 09:10	100.1	↓-3.7
4/20 09:20	96.3	↓-3.8
4/20 09:30	92.7	↓-3.6
4/20 09:40	89.0	↓-3.7
4/20 09:50	85.5	↓-3.5
4/20 10:00	82.1	↓-3.4
4/20 10:10	78.9	↓-3.2
4/20 10:20	75.9	↓-3.0
4/20 10:30	73.0	↓-2.9
4/20 10:40	70.4	↓-2.6
4/20 10:50	68.0	↓-2.4
4/20 11:00	65.9	↓-2.1
4/20 11:10	64.1	↓-1.8
4/20 11:20	62.5	↓-1.6
4/20 11:30	61.3	↓-1.2
4/20 11:40	60.4	↓-0.9
4/20 11:50	59.8	↓-0.6
4/20 12:00	59.5	↓-0.3	干潮
4/20 12:10	59.6	↑0.1
4/20 12:20	60.0	↑0.4
4/20 12:30	60.7	↑0.7
4/20 12:40	61.8	↑1.1
4/20 12:50	63.2	↑1.4
4/20 13:00	64.9	↑1.7
4/20 13:10	66.8	↑1.9
4/20 13:20	69.1	↑2.3
4/20 13:30	71.6	↑2.5
4/20 13:40	74.4	↑2.8
4/20 13:50	77.4	↑3.0
4/20 14:00	80.6	↑3.2
4/20 14:10	84.0	↑3.4
4/20 14:20	87.6	↑3.6
4/20 14:30	91.2	↑3.6
4/20 14:40	95.0	↑3.8
4/20 14:50	98.8	↑3.8
4/20 15:00	102.7	↑3.9
4/20 15:10	106.6	↑3.9
4/20 15:20	110.4	↑3.8
4/20 15:30	114.2	↑3.8
4/20 15:40	118.0	↑3.8
4/20 15:50	121.6	↑3.6
4/20 16:00	125.1	↑3.5
4/20 16:10	128.4	↑3.3
4/20 16:20	131.5	↑3.1
4/20 16:30	134.4	↑2.9
4/20 16:40	137.1	↑2.7
4/20 16:50	139.5	↑2.4
4/20 17:00	141.6	↑2.1
4/20 17:10	143.4	↑1.8
4/20 17:20	144.9	↑1.5
4/20 17:30	146.1	↑1.2
4/20 17:40	146.9	↑0.8
4/20 17:50	147.4	↑0.5	満潮
4/20 18:00	147.6	↑0.2	満潮
4/20 18:10	147.3	↓-0.3
4/20 18:20	146.8	↓-0.5
4/20 18:30	145.8	↓-1.0
4/20 18:40	144.5	↓-1.3
4/20 18:50	142.9	↓-1.6
4/20 19:00	140.9	↓-2.0
4/20 19:10	138.6	↓-2.3
4/20 19:20	136.0	↓-2.6
4/20 19:30	133.1	↓-2.9
4/20 19:40	129.9	↓-3.2
4/20 19:50	126.5	↓-3.4
4/20 20:00	122.8	↓-3.7
4/20 20:10	118.9	↓-3.9
4/20 20:20	114.9	↓-4.0
4/20 20:30	110.6	↓-4.3
4/20 20:40	106.3	↓-4.3
4/20 20:50	101.9	↓-4.4
4/20 21:00	97.3	↓-4.6	最大潮位差
4/20 21:10	92.8	↓-4.5
4/20 21:20	88.2	↓-4.6	最大潮位差
4/20 21:30	83.7	↓-4.5
4/20 21:40	79.2	↓-4.5
4/20 21:50	74.8	↓-4.4
4/20 22:00	70.6	↓-4.2
4/20 22:10	66.5	↓-4.1
4/20 22:20	62.5	↓-4.0
4/20 22:30	58.8	↓-3.7
4/20 22:40	55.3	↓-3.5
4/20 22:50	52.1	↓-3.2
4/20 23:00	49.1	↓-3.0
4/20 23:10	46.5	↓-2.6
4/20 23:20	44.1	↓-2.4
4/20 23:30	42.2	↓-1.9
4/20 23:40	40.5	↓-1.7
4/20 23:50	39.3	↓-1.2