20 (火)	03:26	08:58	14:27	21:27
	134cm	103cm	132cm	60cm
小潮 出 06:13 入 19:04 出 02:12 入 13:28

長山（沖縄）2055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	100.9	↑2.6
4/20 00:10	103.5	↑2.6
4/20 00:20	106.1	↑2.6
4/20 00:30	108.6	↑2.5
4/20 00:40	111.1	↑2.5
4/20 00:50	113.4	↑2.3
4/20 01:00	115.7	↑2.3
4/20 01:10	117.9	↑2.2
4/20 01:20	120.0	↑2.1
4/20 01:30	121.9	↑1.9
4/20 01:40	123.7	↑1.8
4/20 01:50	125.4	↑1.7
4/20 02:00	126.9	↑1.5
4/20 02:10	128.3	↑1.4
4/20 02:20	129.5	↑1.2
4/20 02:30	130.5	↑1.0
4/20 02:40	131.4	↑0.9
4/20 02:50	132.1	↑0.7
4/20 03:00	132.6	↑0.5
4/20 03:10	132.9	↑0.3
4/20 03:20	133.1	↑0.2	満潮
4/20 03:30	133.1	0
4/20 03:40	132.9	↓-0.2
4/20 03:50	132.6	↓-0.3
4/20 04:00	132.1	↓-0.5
4/20 04:10	131.5	↓-0.6
4/20 04:20	130.7	↓-0.8
4/20 04:30	129.9	↓-0.8
4/20 04:40	128.9	↓-1.0
4/20 04:50	127.8	↓-1.1
4/20 05:00	126.6	↓-1.2
4/20 05:10	125.4	↓-1.2
4/20 05:20	124.1	↓-1.3
4/20 05:30	122.7	↓-1.4
4/20 05:40	121.3	↓-1.4
4/20 05:50	119.9	↓-1.4
4/20 06:00	118.5	↓-1.4
4/20 06:10	117.1	↓-1.4
4/20 06:20	115.7	↓-1.4
4/20 06:30	114.3	↓-1.4
4/20 06:40	113.0	↓-1.3
4/20 06:50	111.7	↓-1.3
4/20 07:00	110.5	↓-1.2
4/20 07:10	109.3	↓-1.2
4/20 07:20	108.2	↓-1.1
4/20 07:30	107.2	↓-1.0
4/20 07:40	106.3	↓-0.9
4/20 07:50	105.5	↓-0.8
4/20 08:00	104.8	↓-0.7
4/20 08:10	104.2	↓-0.6
4/20 08:20	103.7	↓-0.5
4/20 08:30	103.4	↓-0.3
4/20 08:40	103.1	↓-0.3
4/20 08:50	103.0	↓-0.1	干潮
4/20 09:00	103.0	0
4/20 09:10	103.1	↑0.1
4/20 09:20	103.3	↑0.2
4/20 09:30	103.6	↑0.3
4/20 09:40	104.0	↑0.4
4/20 09:50	104.6	↑0.6
4/20 10:00	105.2	↑0.6
4/20 10:10	106.0	↑0.8
4/20 10:20	106.8	↑0.8
4/20 10:30	107.8	↑1.0
4/20 10:40	108.8	↑1.0
4/20 10:50	109.9	↑1.1
4/20 11:00	111.0	↑1.1
4/20 11:10	112.2	↑1.2
4/20 11:20	113.5	↑1.3
4/20 11:30	114.8	↑1.3
4/20 11:40	116.1	↑1.3
4/20 11:50	117.5	↑1.4
4/20 12:00	118.8	↑1.3
4/20 12:10	120.2	↑1.4
4/20 12:20	121.5	↑1.3
4/20 12:30	122.9	↑1.4
4/20 12:40	124.1	↑1.2
4/20 12:50	125.3	↑1.2
4/20 13:00	126.5	↑1.2
4/20 13:10	127.6	↑1.1
4/20 13:20	128.5	↑0.9
4/20 13:30	129.4	↑0.9
4/20 13:40	130.2	↑0.8
4/20 13:50	130.8	↑0.6
4/20 14:00	131.3	↑0.5
4/20 14:10	131.6	↑0.3
4/20 14:20	131.8	↑0.2	満潮
4/20 14:30	131.8	0
4/20 14:40	131.7	↓-0.1
4/20 14:50	131.3	↓-0.4
4/20 15:00	130.8	↓-0.5
4/20 15:10	130.2	↓-0.6
4/20 15:20	129.3	↓-0.9
4/20 15:30	128.2	↓-1.1
4/20 15:40	127.0	↓-1.2
4/20 15:50	125.6	↓-1.4
4/20 16:00	124.0	↓-1.6
4/20 16:10	122.3	↓-1.7
4/20 16:20	120.4	↓-1.9
4/20 16:30	118.4	↓-2.0
4/20 16:40	116.2	↓-2.2
4/20 16:50	113.9	↓-2.3
4/20 17:00	111.5	↓-2.4
4/20 17:10	109.0	↓-2.5
4/20 17:20	106.4	↓-2.6
4/20 17:30	103.8	↓-2.6
4/20 17:40	101.1	↓-2.7
4/20 17:50	98.3	↓-2.8	最大潮位差
4/20 18:00	95.6	↓-2.7
4/20 18:10	92.8	↓-2.8	最大潮位差
4/20 18:20	90.1	↓-2.7
4/20 18:30	87.4	↓-2.7
4/20 18:40	84.7	↓-2.7
4/20 18:50	82.1	↓-2.6
4/20 19:00	79.6	↓-2.5
4/20 19:10	77.2	↓-2.4
4/20 19:20	74.8	↓-2.4
4/20 19:30	72.6	↓-2.2
4/20 19:40	70.6	↓-2.0
4/20 19:50	68.6	↓-2.0
4/20 20:00	66.9	↓-1.7
4/20 20:10	65.3	↓-1.6
4/20 20:20	63.9	↓-1.4
4/20 20:30	62.6	↓-1.3
4/20 20:40	61.6	↓-1.0
4/20 20:50	60.7	↓-0.9
4/20 21:00	60.1	↓-0.6
4/20 21:10	59.6	↓-0.5
4/20 21:20	59.4	↓-0.2	干潮
4/20 21:30	59.4	0
4/20 21:40	59.6	↑0.2
4/20 21:50	60.0	↑0.4
4/20 22:00	60.6	↑0.6
4/20 22:10	61.5	↑0.9
4/20 22:20	62.5	↑1.0
4/20 22:30	63.7	↑1.2
4/20 22:40	65.2	↑1.5
4/20 22:50	66.8	↑1.6
4/20 23:00	68.6	↑1.8
4/20 23:10	70.6	↑2.0
4/20 23:20	72.8	↑2.2
4/20 23:30	75.1	↑2.3
4/20 23:40	77.6	↑2.5
4/20 23:50	80.2	↑2.6