20 (土)	08:14	02:19	21:30	14:58
	181cm	55cm	157cm	-6cm
中潮 出 06:24 入 19:14 出 21:47 入 07:46 潮干狩り ◎ 12:46～17:13

久部良（沖縄）2030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	93.2	↓-4.9
4/20 00:10	88.5	↓-4.7
4/20 00:20	83.9	↓-4.6
4/20 00:30	79.6	↓-4.3
4/20 00:40	75.5	↓-4.1
4/20 00:50	71.7	↓-3.8
4/20 01:00	68.3	↓-3.4
4/20 01:10	65.1	↓-3.2
4/20 01:20	62.4	↓-2.7
4/20 01:30	60.0	↓-2.4
4/20 01:40	58.1	↓-1.9
4/20 01:50	56.6	↓-1.5
4/20 02:00	55.5	↓-1.1
4/20 02:10	54.9	↓-0.6	干潮
4/20 02:20	54.7	↓-0.2
4/20 02:30	55.1	↑0.4
4/20 02:40	55.8	↑0.7
4/20 02:50	57.1	↑1.3
4/20 03:00	58.8	↑1.7
4/20 03:10	60.9	↑2.1
4/20 03:20	63.5	↑2.6
4/20 03:30	66.5	↑3.0
4/20 03:40	69.8	↑3.3
4/20 03:50	73.6	↑3.8
4/20 04:00	77.6	↑4.0
4/20 04:10	82.0	↑4.4
4/20 04:20	86.7	↑4.7
4/20 04:30	91.6	↑4.9
4/20 04:40	96.7	↑5.1
4/20 04:50	102.0	↑5.3
4/20 05:00	107.4	↑5.4
4/20 05:10	112.8	↑5.4
4/20 05:20	118.4	↑5.6
4/20 05:30	123.9	↑5.5
4/20 05:40	129.4	↑5.5
4/20 05:50	134.8	↑5.4
4/20 06:00	140.1	↑5.3
4/20 06:10	145.3	↑5.2
4/20 06:20	150.2	↑4.9
4/20 06:30	154.8	↑4.6
4/20 06:40	159.2	↑4.4
4/20 06:50	163.3	↑4.1
4/20 07:00	167.0	↑3.7
4/20 07:10	170.3	↑3.3
4/20 07:20	173.2	↑2.9
4/20 07:30	175.6	↑2.4
4/20 07:40	177.6	↑2.0
4/20 07:50	179.0	↑1.4
4/20 08:00	180.0	↑1.0
4/20 08:10	180.4	↑0.4	満潮
4/20 08:20	180.3	↓-0.1
4/20 08:30	179.7	↓-0.6
4/20 08:40	178.5	↓-1.2
4/20 08:50	176.8	↓-1.7
4/20 09:00	174.6	↓-2.2
4/20 09:10	171.8	↓-2.8
4/20 09:20	168.5	↓-3.3
4/20 09:30	164.7	↓-3.8
4/20 09:40	160.5	↓-4.2
4/20 09:50	155.8	↓-4.7
4/20 10:00	150.6	↓-5.2
4/20 10:10	145.1	↓-5.5
4/20 10:20	139.2	↓-5.9
4/20 10:30	133.0	↓-6.2
4/20 10:40	126.6	↓-6.4
4/20 10:50	119.8	↓-6.8
4/20 11:00	112.9	↓-6.9
4/20 11:10	105.8	↓-7.1
4/20 11:20	98.6	↓-7.2
4/20 11:30	91.3	↓-7.3
4/20 11:40	83.9	↓-7.4	最大潮位差
4/20 11:50	76.6	↓-7.3
4/20 12:00	69.4	↓-7.2
4/20 12:10	62.3	↓-7.1
4/20 12:20	55.3	↓-7.0
4/20 12:30	48.5	↓-6.8
4/20 12:40	42.0	↓-6.5
4/20 12:50	35.7	↓-6.3
4/20 13:00	29.8	↓-5.9
4/20 13:10	24.2	↓-5.6
4/20 13:20	19.0	↓-5.2
4/20 13:30	14.2	↓-4.8
4/20 13:40	9.8	↓-4.4
4/20 13:50	6.0	↓-3.8
4/20 14:00	2.6	↓-3.4
4/20 14:10	-0.3	↓-2.9
4/20 14:20	-2.6	↓-2.3
4/20 14:30	-4.4	↓-1.8
4/20 14:40	-5.6	↓-1.2
4/20 14:50	-6.3	↓-0.7	干潮
4/20 15:00	-6.4	↓-0.1
4/20 15:10	-6.0	↑0.4
4/20 15:20	-5.0	↑1.0
4/20 15:30	-3.5	↑1.5
4/20 15:40	-1.4	↑2.1
4/20 15:50	1.1	↑2.5
4/20 16:00	4.2	↑3.1
4/20 16:10	7.7	↑3.5
4/20 16:20	11.7	↑4.0
4/20 16:30	16.1	↑4.4
4/20 16:40	20.9	↑4.8
4/20 16:50	26.0	↑5.1
4/20 17:00	31.5	↑5.5
4/20 17:10	37.2	↑5.7
4/20 17:20	43.2	↑6.0
4/20 17:30	49.4	↑6.2
4/20 17:40	55.7	↑6.3
4/20 17:50	62.2	↑6.5
4/20 18:00	68.7	↑6.5
4/20 18:10	75.3	↑6.6
4/20 18:20	81.9	↑6.6
4/20 18:30	88.4	↑6.5
4/20 18:40	94.8	↑6.4
4/20 18:50	101.1	↑6.3
4/20 19:00	107.2	↑6.1
4/20 19:10	113.0	↑5.8
4/20 19:20	118.7	↑5.7
4/20 19:30	124.0	↑5.3
4/20 19:40	129.0	↑5.0
4/20 19:50	133.6	↑4.6
4/20 20:00	137.9	↑4.3
4/20 20:10	141.8	↑3.9
4/20 20:20	145.3	↑3.5
4/20 20:30	148.3	↑3.0
4/20 20:40	150.8	↑2.5
4/20 20:50	152.9	↑2.1
4/20 21:00	154.5	↑1.6
4/20 21:10	155.7	↑1.2
4/20 21:20	156.3	↑0.6	満潮
4/20 21:30	156.5	↑0.2	満潮
4/20 21:40	156.3	↓-0.2
4/20 21:50	155.5	↓-0.8
4/20 22:00	154.4	↓-1.1
4/20 22:10	152.8	↓-1.6
4/20 22:20	150.8	↓-2.0
4/20 22:30	148.4	↓-2.4
4/20 22:40	145.7	↓-2.7
4/20 22:50	142.6	↓-3.1
4/20 23:00	139.3	↓-3.3
4/20 23:10	135.7	↓-3.6
4/20 23:20	131.9	↓-3.8
4/20 23:30	127.9	↓-4.0
4/20 23:40	123.7	↓-4.2
4/20 23:50	119.4	↓-4.3