20 (水)	01:58	05:00	10:45	19:16
	121cm	117cm	137cm	61cm
小潮 出 06:13 入 19:04 出 01:14 入 11:52

長山（沖縄）2044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	114.3	↑1.1
4/20 00:10	115.3	↑1.0
4/20 00:20	116.2	↑0.9
4/20 00:30	117.0	↑0.8
4/20 00:40	117.7	↑0.7
4/20 00:50	118.3	↑0.6
4/20 01:00	118.8	↑0.5
4/20 01:10	119.3	↑0.5
4/20 01:20	119.6	↑0.3
4/20 01:30	119.8	↑0.2
4/20 01:40	120.0	↑0.2
4/20 01:50	120.1	↑0.1	満潮
4/20 02:00	120.1	0
4/20 02:10	120.0	↓-0.1
4/20 02:20	119.9	↓-0.1
4/20 02:30	119.7	↓-0.2
4/20 02:40	119.5	↓-0.2
4/20 02:50	119.3	↓-0.2
4/20 03:00	119.0	↓-0.3
4/20 03:10	118.7	↓-0.3
4/20 03:20	118.4	↓-0.3
4/20 03:30	118.0	↓-0.4
4/20 03:40	117.7	↓-0.3
4/20 03:50	117.4	↓-0.3
4/20 04:00	117.1	↓-0.3
4/20 04:10	116.8	↓-0.3
4/20 04:20	116.6	↓-0.2
4/20 04:30	116.4	↓-0.2
4/20 04:40	116.3	↓-0.1
4/20 04:50	116.2	↓-0.1	干潮
4/20 05:00	116.2	0	干潮
4/20 05:10	116.2	0
4/20 05:20	116.3	↑0.1
4/20 05:30	116.5	↑0.2
4/20 05:40	116.7	↑0.2
4/20 05:50	117.0	↑0.3
4/20 06:00	117.4	↑0.4
4/20 06:10	117.9	↑0.5
4/20 06:20	118.4	↑0.5
4/20 06:30	119.0	↑0.6
4/20 06:40	119.7	↑0.7
4/20 06:50	120.4	↑0.7
4/20 07:00	121.2	↑0.8
4/20 07:10	122.0	↑0.8
4/20 07:20	122.8	↑0.8
4/20 07:30	123.7	↑0.9
4/20 07:40	124.6	↑0.9
4/20 07:50	125.6	↑1.0
4/20 08:00	126.5	↑0.9
4/20 08:10	127.4	↑0.9
4/20 08:20	128.4	↑1.0
4/20 08:30	129.3	↑0.9
4/20 08:40	130.2	↑0.9
4/20 08:50	131.1	↑0.9
4/20 09:00	131.9	↑0.8
4/20 09:10	132.7	↑0.8
4/20 09:20	133.4	↑0.7
4/20 09:30	134.1	↑0.7
4/20 09:40	134.7	↑0.6
4/20 09:50	135.2	↑0.5
4/20 10:00	135.7	↑0.5
4/20 10:10	136.0	↑0.3
4/20 10:20	136.3	↑0.3
4/20 10:30	136.5	↑0.2
4/20 10:40	136.6	↑0.1	満潮
4/20 10:50	136.6	0
4/20 11:00	136.5	↓-0.1
4/20 11:10	136.3	↓-0.2
4/20 11:20	135.9	↓-0.4
4/20 11:30	135.5	↓-0.4
4/20 11:40	135.0	↓-0.5
4/20 11:50	134.3	↓-0.7
4/20 12:00	133.5	↓-0.8
4/20 12:10	132.7	↓-0.8
4/20 12:20	131.7	↓-1.0
4/20 12:30	130.6	↓-1.1
4/20 12:40	129.3	↓-1.3
4/20 12:50	128.0	↓-1.3
4/20 13:00	126.6	↓-1.4
4/20 13:10	125.0	↓-1.6
4/20 13:20	123.4	↓-1.6
4/20 13:30	121.6	↓-1.8
4/20 13:40	119.8	↓-1.8
4/20 13:50	117.9	↓-1.9
4/20 14:00	115.8	↓-2.1
4/20 14:10	113.7	↓-2.1
4/20 14:20	111.6	↓-2.1
4/20 14:30	109.3	↓-2.3
4/20 14:40	107.0	↓-2.3
4/20 14:50	104.7	↓-2.3
4/20 15:00	102.3	↓-2.4
4/20 15:10	99.9	↓-2.4
4/20 15:20	97.5	↓-2.4
4/20 15:30	95.0	↓-2.5	最大潮位差
4/20 15:40	92.6	↓-2.4
4/20 15:50	90.2	↓-2.4
4/20 16:00	87.8	↓-2.4
4/20 16:10	85.4	↓-2.4
4/20 16:20	83.1	↓-2.3
4/20 16:30	80.9	↓-2.2
4/20 16:40	78.7	↓-2.2
4/20 16:50	76.6	↓-2.1
4/20 17:00	74.6	↓-2.0
4/20 17:10	72.7	↓-1.9
4/20 17:20	70.9	↓-1.8
4/20 17:30	69.3	↓-1.6
4/20 17:40	67.7	↓-1.6
4/20 17:50	66.4	↓-1.3
4/20 18:00	65.1	↓-1.3
4/20 18:10	64.0	↓-1.1
4/20 18:20	63.0	↓-1.0
4/20 18:30	62.2	↓-0.8
4/20 18:40	61.6	↓-0.6
4/20 18:50	61.1	↓-0.5
4/20 19:00	60.8	↓-0.3
4/20 19:10	60.6	↓-0.2	干潮
4/20 19:20	60.6	0
4/20 19:30	60.8	↑0.2
4/20 19:40	61.1	↑0.3
4/20 19:50	61.6	↑0.5
4/20 20:00	62.2	↑0.6
4/20 20:10	62.9	↑0.7
4/20 20:20	63.8	↑0.9
4/20 20:30	64.8	↑1.0
4/20 20:40	66.0	↑1.2
4/20 20:50	67.2	↑1.2
4/20 21:00	68.6	↑1.4
4/20 21:10	70.1	↑1.5
4/20 21:20	71.7	↑1.6
4/20 21:30	73.3	↑1.6
4/20 21:40	75.1	↑1.8
4/20 21:50	76.9	↑1.8
4/20 22:00	78.7	↑1.8
4/20 22:10	80.7	↑2.0
4/20 22:20	82.7	↑2.0
4/20 22:30	84.7	↑2.0
4/20 22:40	86.8	↑2.1
4/20 22:50	88.9	↑2.1
4/20 23:00	91.0	↑2.1
4/20 23:10	93.1	↑2.1
4/20 23:20	95.2	↑2.1
4/20 23:30	97.3	↑2.1
4/20 23:40	99.4	↑2.1
4/20 23:50	101.5	↑2.1