20 (土)	00:38	05:38	12:18	19:51
	105cm	81cm	133cm	60cm
小潮 出 07:09 入 18:37 出 12:16 入 01:07

長山（沖縄）2021年02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
2/20 00:00	103.5	↑0.6
2/20 00:10	103.9	↑0.4
2/20 00:20	104.2	↑0.3
2/20 00:30	104.3	↑0.1	満潮
2/20 00:40	104.4	↑0.1
2/20 00:50	104.3	↓-0.1
2/20 01:00	104.0	↓-0.3
2/20 01:10	103.7	↓-0.3
2/20 01:20	103.2	↓-0.5
2/20 01:30	102.6	↓-0.6
2/20 01:40	101.9	↓-0.7
2/20 01:50	101.1	↓-0.8
2/20 02:00	100.2	↓-0.9
2/20 02:10	99.3	↓-0.9
2/20 02:20	98.2	↓-1.1
2/20 02:30	97.1	↓-1.1
2/20 02:40	95.9	↓-1.2
2/20 02:50	94.7	↓-1.2
2/20 03:00	93.5	↓-1.2
2/20 03:10	92.3	↓-1.2
2/20 03:20	91.0	↓-1.3
2/20 03:30	89.8	↓-1.2
2/20 03:40	88.6	↓-1.2
2/20 03:50	87.4	↓-1.2
2/20 04:00	86.3	↓-1.1
2/20 04:10	85.2	↓-1.1
2/20 04:20	84.2	↓-1.0
2/20 04:30	83.3	↓-0.9
2/20 04:40	82.5	↓-0.8
2/20 04:50	81.8	↓-0.7
2/20 05:00	81.2	↓-0.6
2/20 05:10	80.8	↓-0.4
2/20 05:20	80.4	↓-0.4
2/20 05:30	80.3	↓-0.1	干潮
2/20 05:40	80.2	↓-0.1
2/20 05:50	80.3	↑0.1
2/20 06:00	80.6	↑0.3
2/20 06:10	81.1	↑0.5
2/20 06:20	81.6	↑0.5
2/20 06:30	82.4	↑0.8
2/20 06:40	83.3	↑0.9
2/20 06:50	84.3	↑1.0
2/20 07:00	85.5	↑1.2
2/20 07:10	86.8	↑1.3
2/20 07:20	88.2	↑1.4
2/20 07:30	89.7	↑1.5
2/20 07:40	91.4	↑1.7
2/20 07:50	93.2	↑1.8
2/20 08:00	95.0	↑1.8
2/20 08:10	96.9	↑1.9
2/20 08:20	98.9	↑2.0
2/20 08:30	100.9	↑2.0
2/20 08:40	102.9	↑2.0
2/20 08:50	105.0	↑2.1
2/20 09:00	107.1	↑2.1
2/20 09:10	109.2	↑2.1
2/20 09:20	111.2	↑2.0
2/20 09:30	113.3	↑2.1
2/20 09:40	115.2	↑1.9
2/20 09:50	117.2	↑2.0
2/20 10:00	119.0	↑1.8
2/20 10:10	120.8	↑1.8
2/20 10:20	122.5	↑1.7
2/20 10:30	124.1	↑1.6
2/20 10:40	125.6	↑1.5
2/20 10:50	126.9	↑1.3
2/20 11:00	128.2	↑1.3
2/20 11:10	129.3	↑1.1
2/20 11:20	130.3	↑1.0
2/20 11:30	131.1	↑0.8
2/20 11:40	131.8	↑0.7
2/20 11:50	132.3	↑0.5
2/20 12:00	132.6	↑0.3
2/20 12:10	132.8	↑0.2	満潮
2/20 12:20	132.9	↑0.1
2/20 12:30	132.7	↓-0.2
2/20 12:40	132.4	↓-0.3
2/20 12:50	132.0	↓-0.4
2/20 13:00	131.3	↓-0.7
2/20 13:10	130.5	↓-0.8
2/20 13:20	129.6	↓-0.9
2/20 13:30	128.5	↓-1.1
2/20 13:40	127.2	↓-1.3
2/20 13:50	125.8	↓-1.4
2/20 14:00	124.2	↓-1.6
2/20 14:10	122.5	↓-1.7
2/20 14:20	120.6	↓-1.9
2/20 14:30	118.6	↓-2.0
2/20 14:40	116.5	↓-2.1
2/20 14:50	114.3	↓-2.2
2/20 15:00	112.0	↓-2.3
2/20 15:10	109.6	↓-2.4
2/20 15:20	107.2	↓-2.4
2/20 15:30	104.7	↓-2.5
2/20 15:40	102.1	↓-2.6
2/20 15:50	99.5	↓-2.6
2/20 16:00	96.9	↓-2.6
2/20 16:10	94.2	↓-2.7	最大潮位差
2/20 16:20	91.6	↓-2.6
2/20 16:30	89.0	↓-2.6
2/20 16:40	86.5	↓-2.5
2/20 16:50	84.0	↓-2.5
2/20 17:00	81.5	↓-2.5
2/20 17:10	79.2	↓-2.3
2/20 17:20	76.9	↓-2.3
2/20 17:30	74.7	↓-2.2
2/20 17:40	72.6	↓-2.1
2/20 17:50	70.7	↓-1.9
2/20 18:00	68.9	↓-1.8
2/20 18:10	67.2	↓-1.7
2/20 18:20	65.7	↓-1.5
2/20 18:30	64.3	↓-1.4
2/20 18:40	63.1	↓-1.2
2/20 18:50	62.1	↓-1.0
2/20 19:00	61.2	↓-0.9
2/20 19:10	60.5	↓-0.7
2/20 19:20	59.9	↓-0.6
2/20 19:30	59.5	↓-0.4
2/20 19:40	59.3	↓-0.2
2/20 19:50	59.2	↓-0.1	干潮
2/20 20:00	59.3	↑0.1
2/20 20:10	59.5	↑0.2
2/20 20:20	59.9	↑0.4
2/20 20:30	60.4	↑0.5
2/20 20:40	61.0	↑0.6
2/20 20:50	61.8	↑0.8
2/20 21:00	62.6	↑0.8
2/20 21:10	63.6	↑1.0
2/20 21:20	64.6	↑1.0
2/20 21:30	65.8	↑1.2
2/20 21:40	67.0	↑1.2
2/20 21:50	68.3	↑1.3
2/20 22:00	69.6	↑1.3
2/20 22:10	71.0	↑1.4
2/20 22:20	72.4	↑1.4
2/20 22:30	73.9	↑1.5
2/20 22:40	75.4	↑1.5
2/20 22:50	76.9	↑1.5
2/20 23:00	78.4	↑1.5
2/20 23:10	79.9	↑1.5
2/20 23:20	81.4	↑1.5
2/20 23:30	82.9	↑1.5
2/20 23:40	84.3	↑1.4
2/20 23:50	85.8	↑1.5