20 (月)	09:09	02:57	21:16	15:12
	164cm	16cm	164cm	30cm
中潮 出 07:09 入 18:37 出 08:45 入 21:27 潮干狩り ○ 14:00～16:22

長山（沖縄）2045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	85.3	↓-6.4	最大潮位差
2/20 00:10	78.9	↓-6.4	最大潮位差
2/20 00:20	72.7	↓-6.2
2/20 00:30	66.6	↓-6.1
2/20 00:40	60.6	↓-6.0
2/20 00:50	54.9	↓-5.7
2/20 01:00	49.5	↓-5.4
2/20 01:10	44.3	↓-5.2
2/20 01:20	39.5	↓-4.8
2/20 01:30	35.1	↓-4.4
2/20 01:40	31.1	↓-4.0
2/20 01:50	27.5	↓-3.6
2/20 02:00	24.3	↓-3.2
2/20 02:10	21.6	↓-2.7
2/20 02:20	19.5	↓-2.1
2/20 02:30	17.8	↓-1.7
2/20 02:40	16.7	↓-1.1
2/20 02:50	16.0	↓-0.7	干潮
2/20 03:00	16.0	0
2/20 03:10	16.4	↑0.4
2/20 03:20	17.4	↑1.0
2/20 03:30	18.9	↑1.5
2/20 03:40	21.0	↑2.1
2/20 03:50	23.5	↑2.5
2/20 04:00	26.5	↑3.0
2/20 04:10	30.0	↑3.5
2/20 04:20	33.8	↑3.8
2/20 04:30	38.1	↑4.3
2/20 04:40	42.8	↑4.7
2/20 04:50	47.8	↑5.0
2/20 05:00	53.1	↑5.3
2/20 05:10	58.6	↑5.5
2/20 05:20	64.4	↑5.8
2/20 05:30	70.3	↑5.9
2/20 05:40	76.4	↑6.1
2/20 05:50	82.6	↑6.2
2/20 06:00	88.8	↑6.2
2/20 06:10	95.0	↑6.2
2/20 06:20	101.2	↑6.2
2/20 06:30	107.3	↑6.1
2/20 06:40	113.3	↑6.0
2/20 06:50	119.0	↑5.7
2/20 07:00	124.6	↑5.6
2/20 07:10	129.9	↑5.3
2/20 07:20	135.0	↑5.1
2/20 07:30	139.7	↑4.7
2/20 07:40	144.0	↑4.3
2/20 07:50	148.0	↑4.0
2/20 08:00	151.5	↑3.5
2/20 08:10	154.6	↑3.1
2/20 08:20	157.3	↑2.7
2/20 08:30	159.5	↑2.2
2/20 08:40	161.1	↑1.6
2/20 08:50	162.3	↑1.2
2/20 09:00	163.0	↑0.7	満潮
2/20 09:10	163.2	↑0.2
2/20 09:20	162.8	↓-0.4
2/20 09:30	162.0	↓-0.8
2/20 09:40	160.6	↓-1.4
2/20 09:50	158.8	↓-1.8
2/20 10:00	156.5	↓-2.3
2/20 10:10	153.8	↓-2.7
2/20 10:20	150.6	↓-3.2
2/20 10:30	147.0	↓-3.6
2/20 10:40	143.0	↓-4.0
2/20 10:50	138.7	↓-4.3
2/20 11:00	134.1	↓-4.6
2/20 11:10	129.2	↓-4.9
2/20 11:20	124.0	↓-5.2
2/20 11:30	118.6	↓-5.4
2/20 11:40	113.1	↓-5.5
2/20 11:50	107.5	↓-5.6
2/20 12:00	101.7	↓-5.8
2/20 12:10	95.9	↓-5.8
2/20 12:20	90.2	↓-5.7
2/20 12:30	84.5	↓-5.7
2/20 12:40	78.8	↓-5.7
2/20 12:50	73.3	↓-5.5
2/20 13:00	68.0	↓-5.3
2/20 13:10	62.9	↓-5.1
2/20 13:20	58.0	↓-4.9
2/20 13:30	53.4	↓-4.6
2/20 13:40	49.2	↓-4.2
2/20 13:50	45.3	↓-3.9
2/20 14:00	41.7	↓-3.6
2/20 14:10	38.6	↓-3.1
2/20 14:20	36.0	↓-2.6
2/20 14:30	33.7	↓-2.3
2/20 14:40	32.0	↓-1.7
2/20 14:50	30.7	↓-1.3
2/20 15:00	29.9	↓-0.8
2/20 15:10	29.7	↓-0.2	干潮
2/20 15:20	29.9	↑0.2
2/20 15:30	30.6	↑0.7
2/20 15:40	31.8	↑1.2
2/20 15:50	33.5	↑1.7
2/20 16:00	35.7	↑2.2
2/20 16:10	38.3	↑2.6
2/20 16:20	41.4	↑3.1
2/20 16:30	44.8	↑3.4
2/20 16:40	48.7	↑3.9
2/20 16:50	52.9	↑4.2
2/20 17:00	57.5	↑4.6
2/20 17:10	62.3	↑4.8
2/20 17:20	67.4	↑5.1
2/20 17:30	72.7	↑5.3
2/20 17:40	78.2	↑5.5
2/20 17:50	83.8	↑5.6
2/20 18:00	89.5	↑5.7
2/20 18:10	95.3	↑5.8
2/20 18:20	101.1	↑5.8
2/20 18:30	106.8	↑5.7
2/20 18:40	112.5	↑5.7
2/20 18:50	118.0	↑5.5
2/20 19:00	123.4	↑5.4
2/20 19:10	128.6	↑5.2
2/20 19:20	133.5	↑4.9
2/20 19:30	138.2	↑4.7
2/20 19:40	142.6	↑4.4
2/20 19:50	146.6	↑4.0
2/20 20:00	150.3	↑3.7
2/20 20:10	153.5	↑3.2
2/20 20:20	156.4	↑2.9
2/20 20:30	158.8	↑2.4
2/20 20:40	160.8	↑2.0
2/20 20:50	162.2	↑1.4
2/20 21:00	163.2	↑1.0
2/20 21:10	163.8	↑0.6	満潮
2/20 21:20	163.8	0
2/20 21:30	163.3	↓-0.5
2/20 21:40	162.4	↓-0.9
2/20 21:50	160.9	↓-1.5
2/20 22:00	159.0	↓-1.9
2/20 22:10	156.6	↓-2.4
2/20 22:20	153.8	↓-2.8
2/20 22:30	150.6	↓-3.2
2/20 22:40	147.0	↓-3.6
2/20 22:50	143.0	↓-4.0
2/20 23:00	138.6	↓-4.4
2/20 23:10	133.9	↓-4.7
2/20 23:20	129.0	↓-4.9
2/20 23:30	123.8	↓-5.2
2/20 23:40	118.4	↓-5.4
2/20 23:50	112.9	↓-5.5