20 (金)	02:29	07:37	12:41	20:22
	136cm	120cm	136cm	65cm
長潮 出 06:02 入 18:57 出 12:31 入 01:46

那覇（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	121.9	↑1.9
4/20 00:10	123.7	↑1.8
4/20 00:20	125.4	↑1.7
4/20 00:30	127.0	↑1.6
4/20 00:40	128.5	↑1.5
4/20 00:50	129.8	↑1.3
4/20 01:00	131.0	↑1.2
4/20 01:10	132.0	↑1.0
4/20 01:20	132.9	↑0.9
4/20 01:30	133.7	↑0.8
4/20 01:40	134.3	↑0.6
4/20 01:50	134.8	↑0.5
4/20 02:00	135.2	↑0.4
4/20 02:10	135.5	↑0.3
4/20 02:20	135.6	↑0.1	満潮
4/20 02:30	135.7	↑0.1
4/20 02:40	135.6	↓-0.1
4/20 02:50	135.4	↓-0.2
4/20 03:00	135.1	↓-0.3
4/20 03:10	134.8	↓-0.3
4/20 03:20	134.3	↓-0.5
4/20 03:30	133.8	↓-0.5
4/20 03:40	133.2	↓-0.6
4/20 03:50	132.5	↓-0.7
4/20 04:00	131.8	↓-0.7
4/20 04:10	131.1	↓-0.7
4/20 04:20	130.3	↓-0.8
4/20 04:30	129.5	↓-0.8
4/20 04:40	128.7	↓-0.8
4/20 04:50	127.8	↓-0.9
4/20 05:00	127.0	↓-0.8
4/20 05:10	126.2	↓-0.8
4/20 05:20	125.4	↓-0.8
4/20 05:30	124.6	↓-0.8
4/20 05:40	123.8	↓-0.8
4/20 05:50	123.1	↓-0.7
4/20 06:00	122.4	↓-0.7
4/20 06:10	121.8	↓-0.6
4/20 06:20	121.2	↓-0.6
4/20 06:30	120.7	↓-0.5
4/20 06:40	120.3	↓-0.4
4/20 06:50	119.9	↓-0.4
4/20 07:00	119.6	↓-0.3
4/20 07:10	119.4	↓-0.2
4/20 07:20	119.2	↓-0.2
4/20 07:30	119.1	↓-0.1	干潮
4/20 07:40	119.1	0
4/20 07:50	119.2	↑0.1
4/20 08:00	119.3	↑0.1
4/20 08:10	119.6	↑0.3
4/20 08:20	119.8	↑0.2
4/20 08:30	120.2	↑0.4
4/20 08:40	120.6	↑0.4
4/20 08:50	121.1	↑0.5
4/20 09:00	121.6	↑0.5
4/20 09:10	122.2	↑0.6
4/20 09:20	122.9	↑0.7
4/20 09:30	123.6	↑0.7
4/20 09:40	124.3	↑0.7
4/20 09:50	125.1	↑0.8
4/20 10:00	125.9	↑0.8
4/20 10:10	126.7	↑0.8
4/20 10:20	127.5	↑0.8
4/20 10:30	128.3	↑0.8
4/20 10:40	129.1	↑0.8
4/20 10:50	129.9	↑0.8
4/20 11:00	130.7	↑0.8
4/20 11:10	131.4	↑0.7
4/20 11:20	132.1	↑0.7
4/20 11:30	132.7	↑0.6
4/20 11:40	133.3	↑0.6
4/20 11:50	133.8	↑0.5
4/20 12:00	134.2	↑0.4
4/20 12:10	134.6	↑0.4
4/20 12:20	134.8	↑0.2
4/20 12:30	135.0	↑0.2
4/20 12:40	135.1	↑0.1	満潮
4/20 12:50	135.0	↓-0.1
4/20 13:00	134.8	↓-0.2
4/20 13:10	134.6	↓-0.2
4/20 13:20	134.1	↓-0.5
4/20 13:30	133.6	↓-0.5
4/20 13:40	133.0	↓-0.6
4/20 13:50	132.2	↓-0.8
4/20 14:00	131.3	↓-0.9
4/20 14:10	130.2	↓-1.1
4/20 14:20	129.0	↓-1.2
4/20 14:30	127.7	↓-1.3
4/20 14:40	126.3	↓-1.4
4/20 14:50	124.8	↓-1.5
4/20 15:00	123.1	↓-1.7
4/20 15:10	121.3	↓-1.8
4/20 15:20	119.4	↓-1.9
4/20 15:30	117.4	↓-2.0
4/20 15:40	115.3	↓-2.1
4/20 15:50	113.2	↓-2.1
4/20 16:00	110.9	↓-2.3
4/20 16:10	108.6	↓-2.3
4/20 16:20	106.2	↓-2.4
4/20 16:30	103.8	↓-2.4
4/20 16:40	101.3	↓-2.5
4/20 16:50	98.8	↓-2.5
4/20 17:00	96.3	↓-2.5
4/20 17:10	93.8	↓-2.5
4/20 17:20	91.4	↓-2.4
4/20 17:30	88.9	↓-2.5
4/20 17:40	86.5	↓-2.4
4/20 17:50	84.2	↓-2.3
4/20 18:00	81.9	↓-2.3
4/20 18:10	79.7	↓-2.2
4/20 18:20	77.6	↓-2.1
4/20 18:30	75.7	↓-1.9
4/20 18:40	73.8	↓-1.9
4/20 18:50	72.1	↓-1.7
4/20 19:00	70.5	↓-1.6
4/20 19:10	69.1	↓-1.4
4/20 19:20	67.9	↓-1.2
4/20 19:30	66.8	↓-1.1
4/20 19:40	65.9	↓-0.9
4/20 19:50	65.2	↓-0.7
4/20 20:00	64.7	↓-0.5
4/20 20:10	64.3	↓-0.4
4/20 20:20	64.2	↓-0.1	干潮
4/20 20:30	64.3	↑0.1
4/20 20:40	64.6	↑0.3
4/20 20:50	65.0	↑0.4
4/20 21:00	65.7	↑0.7
4/20 21:10	66.6	↑0.9
4/20 21:20	67.6	↑1.0
4/20 21:30	68.9	↑1.3
4/20 21:40	70.3	↑1.4
4/20 21:50	71.9	↑1.6
4/20 22:00	73.7	↑1.8
4/20 22:10	75.6	↑1.9
4/20 22:20	77.7	↑2.1
4/20 22:30	79.9	↑2.2
4/20 22:40	82.3	↑2.4
4/20 22:50	84.7	↑2.4
4/20 23:00	87.2	↑2.5
4/20 23:10	89.9	↑2.7
4/20 23:20	92.6	↑2.7
4/20 23:30	95.3	↑2.7
4/20 23:40	98.1	↑2.8	最大潮位差
4/20 23:50	100.9	↑2.8	最大潮位差