20 (日)	04:54	09:36	14:59	22:27
	121cm	102cm	130cm	32cm
長潮 出 06:59 入 18:23 出 03:23 入 13:50

安田（沖縄）2028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	66.4	↑2.6
2/20 00:10	69.1	↑2.7
2/20 00:20	71.7	↑2.6
2/20 00:30	74.5	↑2.8
2/20 00:40	77.2	↑2.7
2/20 00:50	80.0	↑2.8
2/20 01:00	82.7	↑2.7
2/20 01:10	85.5	↑2.8
2/20 01:20	88.2	↑2.7
2/20 01:30	90.8	↑2.6
2/20 01:40	93.4	↑2.6
2/20 01:50	96.0	↑2.6
2/20 02:00	98.5	↑2.5
2/20 02:10	100.8	↑2.3
2/20 02:20	103.1	↑2.3
2/20 02:30	105.3	↑2.2
2/20 02:40	107.4	↑2.1
2/20 02:50	109.3	↑1.9
2/20 03:00	111.1	↑1.8
2/20 03:10	112.8	↑1.7
2/20 03:20	114.3	↑1.5
2/20 03:30	115.7	↑1.4
2/20 03:40	116.9	↑1.2
2/20 03:50	117.9	↑1.0
2/20 04:00	118.8	↑0.9
2/20 04:10	119.6	↑0.8
2/20 04:20	120.1	↑0.5
2/20 04:30	120.6	↑0.5
2/20 04:40	120.8	↑0.2
2/20 04:50	120.9	↑0.1	満潮
2/20 05:00	120.9	0
2/20 05:10	120.7	↓-0.2
2/20 05:20	120.4	↓-0.3
2/20 05:30	120.0	↓-0.4
2/20 05:40	119.4	↓-0.6
2/20 05:50	118.8	↓-0.6
2/20 06:00	118.0	↓-0.8
2/20 06:10	117.2	↓-0.8
2/20 06:20	116.3	↓-0.9
2/20 06:30	115.3	↓-1.0
2/20 06:40	114.3	↓-1.0
2/20 06:50	113.2	↓-1.1
2/20 07:00	112.2	↓-1.0
2/20 07:10	111.1	↓-1.1
2/20 07:20	110.0	↓-1.1
2/20 07:30	108.9	↓-1.1
2/20 07:40	107.9	↓-1.0
2/20 07:50	106.9	↓-1.0
2/20 08:00	105.9	↓-1.0
2/20 08:10	105.1	↓-0.8
2/20 08:20	104.2	↓-0.9
2/20 08:30	103.5	↓-0.7
2/20 08:40	102.9	↓-0.6
2/20 08:50	102.3	↓-0.6
2/20 09:00	101.9	↓-0.4
2/20 09:10	101.5	↓-0.4
2/20 09:20	101.3	↓-0.2
2/20 09:30	101.2	↓-0.1	干潮
2/20 09:40	101.2	0
2/20 09:50	101.3	↑0.1
2/20 10:00	101.6	↑0.3
2/20 10:10	101.9	↑0.3
2/20 10:20	102.4	↑0.5
2/20 10:30	103.0	↑0.6
2/20 10:40	103.7	↑0.7
2/20 10:50	104.5	↑0.8
2/20 11:00	105.4	↑0.9
2/20 11:10	106.3	↑0.9
2/20 11:20	107.4	↑1.1
2/20 11:30	108.5	↑1.1
2/20 11:40	109.7	↑1.2
2/20 11:50	111.0	↑1.3
2/20 12:00	112.3	↑1.3
2/20 12:10	113.6	↑1.3
2/20 12:20	115.0	↑1.4
2/20 12:30	116.4	↑1.4
2/20 12:40	117.7	↑1.3
2/20 12:50	119.1	↑1.4
2/20 13:00	120.4	↑1.3
2/20 13:10	121.7	↑1.3
2/20 13:20	122.9	↑1.2
2/20 13:30	124.1	↑1.2
2/20 13:40	125.2	↑1.1
2/20 13:50	126.2	↑1.0
2/20 14:00	127.1	↑0.9
2/20 14:10	127.9	↑0.8
2/20 14:20	128.6	↑0.7
2/20 14:30	129.1	↑0.5
2/20 14:40	129.5	↑0.4
2/20 14:50	129.7	↑0.2	満潮
2/20 15:00	129.7	0
2/20 15:10	129.6	↓-0.1
2/20 15:20	129.3	↓-0.3
2/20 15:30	128.8	↓-0.5
2/20 15:40	128.1	↓-0.7
2/20 15:50	127.2	↓-0.9
2/20 16:00	126.1	↓-1.1
2/20 16:10	124.8	↓-1.3
2/20 16:20	123.3	↓-1.5
2/20 16:30	121.6	↓-1.7
2/20 16:40	119.8	↓-1.8
2/20 16:50	117.7	↓-2.1
2/20 17:00	115.4	↓-2.3
2/20 17:10	113.0	↓-2.4
2/20 17:20	110.4	↓-2.6
2/20 17:30	107.6	↓-2.8
2/20 17:40	104.7	↓-2.9
2/20 17:50	101.6	↓-3.1
2/20 18:00	98.5	↓-3.1
2/20 18:10	95.2	↓-3.3
2/20 18:20	91.8	↓-3.4
2/20 18:30	88.4	↓-3.4
2/20 18:40	84.9	↓-3.5	最大潮位差
2/20 18:50	81.4	↓-3.5	最大潮位差
2/20 19:00	77.9	↓-3.5	最大潮位差
2/20 19:10	74.4	↓-3.5	最大潮位差
2/20 19:20	70.9	↓-3.5	最大潮位差
2/20 19:30	67.4	↓-3.5	最大潮位差
2/20 19:40	64.0	↓-3.4
2/20 19:50	60.7	↓-3.3
2/20 20:00	57.5	↓-3.2
2/20 20:10	54.4	↓-3.1
2/20 20:20	51.4	↓-3.0
2/20 20:30	48.6	↓-2.8
2/20 20:40	46.0	↓-2.6
2/20 20:50	43.6	↓-2.4
2/20 21:00	41.3	↓-2.3
2/20 21:10	39.3	↓-2.0
2/20 21:20	37.5	↓-1.8
2/20 21:30	35.9	↓-1.6
2/20 21:40	34.6	↓-1.3
2/20 21:50	33.5	↓-1.1
2/20 22:00	32.7	↓-0.8
2/20 22:10	32.1	↓-0.6
2/20 22:20	31.8	↓-0.3	干潮
2/20 22:30	31.8	0
2/20 22:40	32.1	↑0.3
2/20 22:50	32.6	↑0.5
2/20 23:00	33.4	↑0.8
2/20 23:10	34.5	↑1.1
2/20 23:20	35.8	↑1.3
2/20 23:30	37.3	↑1.5
2/20 23:40	39.1	↑1.8
2/20 23:50	41.2	↑2.1