20 (金)	04:24	08:20	12:39	21:04
	117cm	112cm	120cm	53cm
長潮 出 06:23 入 19:14 出 12:55 入 02:02

久部良（沖縄）2040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	89.4	↑2.1
4/20 00:10	91.3	↑1.9
4/20 00:20	93.3	↑2.0
4/20 00:30	95.2	↑1.9
4/20 00:40	97.0	↑1.8
4/20 00:50	98.8	↑1.8
4/20 01:00	100.5	↑1.7
4/20 01:10	102.1	↑1.6
4/20 01:20	103.7	↑1.6
4/20 01:30	105.2	↑1.5
4/20 01:40	106.5	↑1.3
4/20 01:50	107.8	↑1.3
4/20 02:00	109.0	↑1.2
4/20 02:10	110.2	↑1.2
4/20 02:20	111.2	↑1.0
4/20 02:30	112.1	↑0.9
4/20 02:40	113.0	↑0.9
4/20 02:50	113.7	↑0.7
4/20 03:00	114.4	↑0.7
4/20 03:10	114.9	↑0.5
4/20 03:20	115.4	↑0.5
4/20 03:30	115.8	↑0.4
4/20 03:40	116.1	↑0.3
4/20 03:50	116.4	↑0.3
4/20 04:00	116.6	↑0.2
4/20 04:10	116.7	↑0.1
4/20 04:20	116.7	0	満潮
4/20 04:30	116.7	0
4/20 04:40	116.6	↓-0.1
4/20 04:50	116.5	↓-0.1
4/20 05:00	116.4	↓-0.1
4/20 05:10	116.2	↓-0.2
4/20 05:20	115.9	↓-0.3
4/20 05:30	115.7	↓-0.2
4/20 05:40	115.4	↓-0.3
4/20 05:50	115.1	↓-0.3
4/20 06:00	114.8	↓-0.3
4/20 06:10	114.5	↓-0.3
4/20 06:20	114.1	↓-0.4
4/20 06:30	113.8	↓-0.3
4/20 06:40	113.5	↓-0.3
4/20 06:50	113.2	↓-0.3
4/20 07:00	112.9	↓-0.3
4/20 07:10	112.7	↓-0.2
4/20 07:20	112.4	↓-0.3
4/20 07:30	112.2	↓-0.2
4/20 07:40	112.0	↓-0.2
4/20 07:50	111.9	↓-0.1
4/20 08:00	111.8	↓-0.1
4/20 08:10	111.7	↓-0.1	干潮
4/20 08:20	111.7	0	干潮
4/20 08:30	111.7	0
4/20 08:40	111.8	↑0.1
4/20 08:50	111.9	↑0.1
4/20 09:00	112.1	↑0.2
4/20 09:10	112.3	↑0.2
4/20 09:20	112.5	↑0.2
4/20 09:30	112.8	↑0.3
4/20 09:40	113.1	↑0.3
4/20 09:50	113.5	↑0.4
4/20 10:00	113.8	↑0.3
4/20 10:10	114.2	↑0.4
4/20 10:20	114.7	↑0.5
4/20 10:30	115.1	↑0.4
4/20 10:40	115.5	↑0.4
4/20 10:50	116.0	↑0.5
4/20 11:00	116.4	↑0.4
4/20 11:10	116.9	↑0.5
4/20 11:20	117.3	↑0.4
4/20 11:30	117.7	↑0.4
4/20 11:40	118.0	↑0.3
4/20 11:50	118.3	↑0.3
4/20 12:00	118.6	↑0.3
4/20 12:10	118.8	↑0.2
4/20 12:20	119.0	↑0.2
4/20 12:30	119.1	↑0.1	満潮
4/20 12:40	119.1	0
4/20 12:50	119.1	0
4/20 13:00	118.9	↓-0.2
4/20 13:10	118.7	↓-0.2
4/20 13:20	118.4	↓-0.3
4/20 13:30	118.0	↓-0.4
4/20 13:40	117.5	↓-0.5
4/20 13:50	116.9	↓-0.6
4/20 14:00	116.2	↓-0.7
4/20 14:10	115.3	↓-0.9
4/20 14:20	114.4	↓-0.9
4/20 14:30	113.4	↓-1.0
4/20 14:40	112.3	↓-1.1
4/20 14:50	111.0	↓-1.3
4/20 15:00	109.7	↓-1.3
4/20 15:10	108.3	↓-1.4
4/20 15:20	106.8	↓-1.5
4/20 15:30	105.2	↓-1.6
4/20 15:40	103.5	↓-1.7
4/20 15:50	101.8	↓-1.7
4/20 16:00	99.9	↓-1.9
4/20 16:10	98.0	↓-1.9
4/20 16:20	96.1	↓-1.9
4/20 16:30	94.1	↓-2.0
4/20 16:40	92.0	↓-2.1
4/20 16:50	90.0	↓-2.0
4/20 17:00	87.8	↓-2.2	最大潮位差
4/20 17:10	85.7	↓-2.1
4/20 17:20	83.6	↓-2.1
4/20 17:30	81.4	↓-2.2	最大潮位差
4/20 17:40	79.3	↓-2.1
4/20 17:50	77.2	↓-2.1
4/20 18:00	75.1	↓-2.1
4/20 18:10	73.0	↓-2.1
4/20 18:20	71.0	↓-2.0
4/20 18:30	69.1	↓-1.9
4/20 18:40	67.2	↓-1.9
4/20 18:50	65.4	↓-1.8
4/20 19:00	63.6	↓-1.8
4/20 19:10	62.0	↓-1.6
4/20 19:20	60.5	↓-1.5
4/20 19:30	59.1	↓-1.4
4/20 19:40	57.8	↓-1.3
4/20 19:50	56.6	↓-1.2
4/20 20:00	55.5	↓-1.1
4/20 20:10	54.6	↓-0.9
4/20 20:20	53.9	↓-0.7
4/20 20:30	53.2	↓-0.7
4/20 20:40	52.8	↓-0.4
4/20 20:50	52.5	↓-0.3
4/20 21:00	52.4	↓-0.1	干潮
4/20 21:10	52.4	0
4/20 21:20	52.6	↑0.2
4/20 21:30	52.9	↑0.3
4/20 21:40	53.5	↑0.6
4/20 21:50	54.2	↑0.7
4/20 22:00	55.0	↑0.8
4/20 22:10	56.0	↑1.0
4/20 22:20	57.2	↑1.2
4/20 22:30	58.5	↑1.3
4/20 22:40	60.0	↑1.5
4/20 22:50	61.5	↑1.5
4/20 23:00	63.3	↑1.8
4/20 23:10	65.1	↑1.8
4/20 23:20	67.1	↑2.0
4/20 23:30	69.1	↑2.0
4/20 23:40	71.3	↑2.2	最大潮位差
4/20 23:50	73.5	↑2.2	最大潮位差