20 (水)	09:44	03:29	21:48	15:46
	158cm	21cm	156cm	39cm
中潮 出 07:09 入 18:37 出 22:12 入 09:30 潮干狩り ○ 15:04～16:26

長山（沖縄）2041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	↓-5.7
2/20 00:10	97.6	↓-5.9	最大潮位差
2/20 00:20	91.7	↓-5.9	最大潮位差
2/20 00:30	85.9	↓-5.8
2/20 00:40	80.0	↓-5.9	最大潮位差
2/20 00:50	74.2	↓-5.8
2/20 01:00	68.6	↓-5.6
2/20 01:10	63.1	↓-5.5
2/20 01:20	57.8	↓-5.3
2/20 01:30	52.7	↓-5.1
2/20 01:40	47.9	↓-4.8
2/20 01:50	43.4	↓-4.5
2/20 02:00	39.3	↓-4.1
2/20 02:10	35.5	↓-3.8
2/20 02:20	32.1	↓-3.4
2/20 02:30	29.1	↓-3.0
2/20 02:40	26.6	↓-2.5
2/20 02:50	24.5	↓-2.1
2/20 03:00	22.8	↓-1.7
2/20 03:10	21.7	↓-1.1
2/20 03:20	21.0	↓-0.7	干潮
2/20 03:30	20.9	↓-0.1
2/20 03:40	21.2	↑0.3
2/20 03:50	22.0	↑0.8
2/20 04:00	23.3	↑1.3
2/20 04:10	25.1	↑1.8
2/20 04:20	27.3	↑2.2
2/20 04:30	30.0	↑2.7
2/20 04:40	33.1	↑3.1
2/20 04:50	36.6	↑3.5
2/20 05:00	40.5	↑3.9
2/20 05:10	44.7	↑4.2
2/20 05:20	49.2	↑4.5
2/20 05:30	54.1	↑4.9
2/20 05:40	59.1	↑5.0
2/20 05:50	64.4	↑5.3
2/20 06:00	69.8	↑5.4
2/20 06:10	75.4	↑5.6
2/20 06:20	81.1	↑5.7
2/20 06:30	86.8	↑5.7
2/20 06:40	92.5	↑5.7
2/20 06:50	98.2	↑5.7
2/20 07:00	103.8	↑5.6
2/20 07:10	109.4	↑5.6
2/20 07:20	114.7	↑5.3
2/20 07:30	119.9	↑5.2
2/20 07:40	124.9	↑5.0
2/20 07:50	129.6	↑4.7
2/20 08:00	134.0	↑4.4
2/20 08:10	138.1	↑4.1
2/20 08:20	141.9	↑3.8
2/20 08:30	145.3	↑3.4
2/20 08:40	148.3	↑3.0
2/20 08:50	150.9	↑2.6
2/20 09:00	153.1	↑2.2
2/20 09:10	154.8	↑1.7
2/20 09:20	156.1	↑1.3
2/20 09:30	156.9	↑0.8
2/20 09:40	157.3	↑0.4	満潮
2/20 09:50	157.2	↓-0.1
2/20 10:00	156.6	↓-0.6
2/20 10:10	155.7	↓-0.9
2/20 10:20	154.2	↓-1.5
2/20 10:30	152.4	↓-1.8
2/20 10:40	150.1	↓-2.3
2/20 10:50	147.4	↓-2.7
2/20 11:00	144.4	↓-3.0
2/20 11:10	141.0	↓-3.4
2/20 11:20	137.3	↓-3.7
2/20 11:30	133.3	↓-4.0
2/20 11:40	129.0	↓-4.3
2/20 11:50	124.5	↓-4.5
2/20 12:00	119.8	↓-4.7
2/20 12:10	114.9	↓-4.9
2/20 12:20	109.9	↓-5.0
2/20 12:30	104.8	↓-5.1
2/20 12:40	99.7	↓-5.1
2/20 12:50	94.5	↓-5.2
2/20 13:00	89.4	↓-5.1
2/20 13:10	84.3	↓-5.1
2/20 13:20	79.3	↓-5.0
2/20 13:30	74.5	↓-4.8
2/20 13:40	69.8	↓-4.7
2/20 13:50	65.4	↓-4.4
2/20 14:00	61.2	↓-4.2
2/20 14:10	57.3	↓-3.9
2/20 14:20	53.7	↓-3.6
2/20 14:30	50.4	↓-3.3
2/20 14:40	47.4	↓-3.0
2/20 14:50	44.9	↓-2.5
2/20 15:00	42.7	↓-2.2
2/20 15:10	41.0	↓-1.7
2/20 15:20	39.7	↓-1.3
2/20 15:30	38.8	↓-0.9
2/20 15:40	38.4	↓-0.4	干潮
2/20 15:50	38.4	0
2/20 16:00	38.8	↑0.4
2/20 16:10	39.7	↑0.9
2/20 16:20	41.1	↑1.4
2/20 16:30	42.8	↑1.7
2/20 16:40	45.0	↑2.2
2/20 16:50	47.5	↑2.5
2/20 17:00	50.5	↑3.0
2/20 17:10	53.8	↑3.3
2/20 17:20	57.4	↑3.6
2/20 17:30	61.3	↑3.9
2/20 17:40	65.4	↑4.1
2/20 17:50	69.9	↑4.5
2/20 18:00	74.5	↑4.6
2/20 18:10	79.2	↑4.7
2/20 18:20	84.1	↑4.9
2/20 18:30	89.1	↑5.0
2/20 18:40	94.2	↑5.1
2/20 18:50	99.3	↑5.1
2/20 19:00	104.3	↑5.0
2/20 19:10	109.3	↑5.0
2/20 19:20	114.2	↑4.9
2/20 19:30	118.9	↑4.7
2/20 19:40	123.5	↑4.6
2/20 19:50	127.9	↑4.4
2/20 20:00	132.1	↑4.2
2/20 20:10	136.0	↑3.9
2/20 20:20	139.5	↑3.5
2/20 20:30	142.8	↑3.3
2/20 20:40	145.8	↑3.0
2/20 20:50	148.3	↑2.5
2/20 21:00	150.5	↑2.2
2/20 21:10	152.3	↑1.8
2/20 21:20	153.7	↑1.4
2/20 21:30	154.6	↑0.9
2/20 21:40	155.2	↑0.6	満潮
2/20 21:50	155.3	↑0.1
2/20 22:00	154.9	↓-0.4
2/20 22:10	154.2	↓-0.7
2/20 22:20	153.0	↓-1.2
2/20 22:30	151.4	↓-1.6
2/20 22:40	149.4	↓-2.0
2/20 22:50	147.0	↓-2.4
2/20 23:00	144.2	↓-2.8
2/20 23:10	141.0	↓-3.2
2/20 23:20	137.6	↓-3.4
2/20 23:30	133.8	↓-3.8
2/20 23:40	129.7	↓-4.1
2/20 23:50	125.4	↓-4.3