20 (金)	03:44	07:38	12:30	20:45
	125cm	120cm	127cm	63cm
長潮 出 06:13 入 19:04 出 12:44 入 01:52

長山（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	103.4	↑1.8
4/20 00:10	105.1	↑1.7
4/20 00:20	106.8	↑1.7
4/20 00:30	108.5	↑1.7
4/20 00:40	110.1	↑1.6
4/20 00:50	111.7	↑1.6
4/20 01:00	113.1	↑1.4
4/20 01:10	114.5	↑1.4
4/20 01:20	115.9	↑1.4
4/20 01:30	117.1	↑1.2
4/20 01:40	118.3	↑1.2
4/20 01:50	119.3	↑1.0
4/20 02:00	120.3	↑1.0
4/20 02:10	121.2	↑0.9
4/20 02:20	122.0	↑0.8
4/20 02:30	122.7	↑0.7
4/20 02:40	123.3	↑0.6
4/20 02:50	123.8	↑0.5
4/20 03:00	124.2	↑0.4
4/20 03:10	124.5	↑0.3
4/20 03:20	124.7	↑0.2
4/20 03:30	124.9	↑0.2
4/20 03:40	124.9	0	満潮
4/20 03:50	124.9	0
4/20 04:00	124.8	↓-0.1
4/20 04:10	124.7	↓-0.1
4/20 04:20	124.5	↓-0.2
4/20 04:30	124.2	↓-0.3
4/20 04:40	123.9	↓-0.3
4/20 04:50	123.6	↓-0.3
4/20 05:00	123.3	↓-0.3
4/20 05:10	122.9	↓-0.4
4/20 05:20	122.5	↓-0.4
4/20 05:30	122.1	↓-0.4
4/20 05:40	121.7	↓-0.4
4/20 05:50	121.4	↓-0.3
4/20 06:00	121.0	↓-0.4
4/20 06:10	120.6	↓-0.4
4/20 06:20	120.3	↓-0.3
4/20 06:30	120.0	↓-0.3
4/20 06:40	119.8	↓-0.2
4/20 06:50	119.6	↓-0.2
4/20 07:00	119.4	↓-0.2
4/20 07:10	119.2	↓-0.2
4/20 07:20	119.1	↓-0.1
4/20 07:30	119.1	0	干潮
4/20 07:40	119.1	0
4/20 07:50	119.1	0
4/20 08:00	119.2	↑0.1
4/20 08:10	119.3	↑0.1
4/20 08:20	119.5	↑0.2
4/20 08:30	119.7	↑0.2
4/20 08:40	119.9	↑0.2
4/20 08:50	120.1	↑0.2
4/20 09:00	120.4	↑0.3
4/20 09:10	120.8	↑0.4
4/20 09:20	121.1	↑0.3
4/20 09:30	121.4	↑0.3
4/20 09:40	121.8	↑0.4
4/20 09:50	122.2	↑0.4
4/20 10:00	122.6	↑0.4
4/20 10:10	123.0	↑0.4
4/20 10:20	123.4	↑0.4
4/20 10:30	123.8	↑0.4
4/20 10:40	124.2	↑0.4
4/20 10:50	124.6	↑0.4
4/20 11:00	124.9	↑0.3
4/20 11:10	125.3	↑0.4
4/20 11:20	125.6	↑0.3
4/20 11:30	125.9	↑0.3
4/20 11:40	126.1	↑0.2
4/20 11:50	126.4	↑0.3
4/20 12:00	126.6	↑0.2
4/20 12:10	126.7	↑0.1
4/20 12:20	126.8	↑0.1	満潮
4/20 12:30	126.8	0	満潮
4/20 12:40	126.7	↓-0.1
4/20 12:50	126.6	↓-0.1
4/20 13:00	126.4	↓-0.2
4/20 13:10	126.2	↓-0.2
4/20 13:20	125.8	↓-0.4
4/20 13:30	125.4	↓-0.4
4/20 13:40	124.9	↓-0.5
4/20 13:50	124.2	↓-0.7
4/20 14:00	123.5	↓-0.7
4/20 14:10	122.7	↓-0.8
4/20 14:20	121.7	↓-1.0
4/20 14:30	120.7	↓-1.0
4/20 14:40	119.6	↓-1.1
4/20 14:50	118.3	↓-1.3
4/20 15:00	116.9	↓-1.4
4/20 15:10	115.5	↓-1.4
4/20 15:20	113.9	↓-1.6
4/20 15:30	112.3	↓-1.6
4/20 15:40	110.5	↓-1.8
4/20 15:50	108.7	↓-1.8
4/20 16:00	106.8	↓-1.9
4/20 16:10	104.8	↓-2.0
4/20 16:20	102.8	↓-2.0
4/20 16:30	100.7	↓-2.1
4/20 16:40	98.5	↓-2.2
4/20 16:50	96.4	↓-2.1
4/20 17:00	94.2	↓-2.2
4/20 17:10	92.0	↓-2.2
4/20 17:20	89.8	↓-2.2
4/20 17:30	87.6	↓-2.2
4/20 17:40	85.5	↓-2.1
4/20 17:50	83.3	↓-2.2
4/20 18:00	81.3	↓-2.0
4/20 18:10	79.3	↓-2.0
4/20 18:20	77.3	↓-2.0
4/20 18:30	75.5	↓-1.8
4/20 18:40	73.7	↓-1.8
4/20 18:50	72.0	↓-1.7
4/20 19:00	70.5	↓-1.5
4/20 19:10	69.0	↓-1.5
4/20 19:20	67.7	↓-1.3
4/20 19:30	66.5	↓-1.2
4/20 19:40	65.5	↓-1.0
4/20 19:50	64.6	↓-0.9
4/20 20:00	63.8	↓-0.8
4/20 20:10	63.2	↓-0.6
4/20 20:20	62.8	↓-0.4
4/20 20:30	62.4	↓-0.4
4/20 20:40	62.3	↓-0.1	干潮
4/20 20:50	62.3	0
4/20 21:00	62.5	↑0.2
4/20 21:10	62.8	↑0.3
4/20 21:20	63.3	↑0.5
4/20 21:30	63.9	↑0.6
4/20 21:40	64.7	↑0.8
4/20 21:50	65.6	↑0.9
4/20 22:00	66.7	↑1.1
4/20 22:10	67.9	↑1.2
4/20 22:20	69.3	↑1.4
4/20 22:30	70.8	↑1.5
4/20 22:40	72.4	↑1.6
4/20 22:50	74.1	↑1.7
4/20 23:00	76.0	↑1.9
4/20 23:10	78.0	↑2.0
4/20 23:20	80.0	↑2.0
4/20 23:30	82.2	↑2.2
4/20 23:40	84.4	↑2.2
4/20 23:50	86.7	↑2.3	最大潮位差