20 (金)	09:04	02:54	21:13	15:04
	168cm	6cm	177cm	22cm
中潮 出 07:10 入 18:37 出 08:41 入 21:19 潮干狩り ○ 13:36～16:30

長山（沖縄）2026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	81.1	↓-7.3	最大潮位差
2/20 00:10	74.0	↓-7.1
2/20 00:20	66.9	↓-7.1
2/20 00:30	60.0	↓-6.9
2/20 00:40	53.4	↓-6.6
2/20 00:50	47.1	↓-6.3
2/20 01:00	41.0	↓-6.1
2/20 01:10	35.4	↓-5.6
2/20 01:20	30.1	↓-5.3
2/20 01:30	25.2	↓-4.9
2/20 01:40	20.9	↓-4.3
2/20 01:50	17.0	↓-3.9
2/20 02:00	13.7	↓-3.3
2/20 02:10	10.9	↓-2.8
2/20 02:20	8.6	↓-2.3
2/20 02:30	7.0	↓-1.6
2/20 02:40	5.9	↓-1.1
2/20 02:50	5.5	↓-0.4	干潮
2/20 03:00	5.6	↑0.1
2/20 03:10	6.3	↑0.7
2/20 03:20	7.6	↑1.3
2/20 03:30	9.5	↑1.9
2/20 03:40	12.0	↑2.5
2/20 03:50	15.0	↑3.0
2/20 04:00	18.5	↑3.5
2/20 04:10	22.5	↑4.0
2/20 04:20	27.0	↑4.5
2/20 04:30	31.9	↑4.9
2/20 04:40	37.2	↑5.3
2/20 04:50	42.9	↑5.7
2/20 05:00	48.8	↑5.9
2/20 05:10	55.1	↑6.3
2/20 05:20	61.5	↑6.4
2/20 05:30	68.2	↑6.7
2/20 05:40	74.9	↑6.7
2/20 05:50	81.8	↑6.9
2/20 06:00	88.7	↑6.9
2/20 06:10	95.5	↑6.8
2/20 06:20	102.3	↑6.8
2/20 06:30	108.9	↑6.6
2/20 06:40	115.4	↑6.5
2/20 06:50	121.7	↑6.3
2/20 07:00	127.8	↑6.1
2/20 07:10	133.5	↑5.7
2/20 07:20	138.9	↑5.4
2/20 07:30	143.9	↑5.0
2/20 07:40	148.5	↑4.6
2/20 07:50	152.6	↑4.1
2/20 08:00	156.3	↑3.7
2/20 08:10	159.5	↑3.2
2/20 08:20	162.2	↑2.7
2/20 08:30	164.3	↑2.1
2/20 08:40	165.9	↑1.6
2/20 08:50	167.0	↑1.1
2/20 09:00	167.5	↑0.5	満潮
2/20 09:10	167.4	↓-0.1
2/20 09:20	166.7	↓-0.7
2/20 09:30	165.5	↓-1.2
2/20 09:40	163.8	↓-1.7
2/20 09:50	161.5	↓-2.3
2/20 10:00	158.7	↓-2.8
2/20 10:10	155.4	↓-3.3
2/20 10:20	151.7	↓-3.7
2/20 10:30	147.5	↓-4.2
2/20 10:40	142.9	↓-4.6
2/20 10:50	138.0	↓-4.9
2/20 11:00	132.7	↓-5.3
2/20 11:10	127.2	↓-5.5
2/20 11:20	121.4	↓-5.8
2/20 11:30	115.4	↓-6.0
2/20 11:40	109.2	↓-6.2
2/20 11:50	102.9	↓-6.3
2/20 12:00	96.6	↓-6.3
2/20 12:10	90.3	↓-6.3
2/20 12:20	83.9	↓-6.4
2/20 12:30	77.7	↓-6.2
2/20 12:40	71.6	↓-6.1
2/20 12:50	65.7	↓-5.9
2/20 13:00	60.0	↓-5.7
2/20 13:10	54.5	↓-5.5
2/20 13:20	49.4	↓-5.1
2/20 13:30	44.5	↓-4.9
2/20 13:40	40.1	↓-4.4
2/20 13:50	36.1	↓-4.0
2/20 14:00	32.5	↓-3.6
2/20 14:10	29.5	↓-3.0
2/20 14:20	26.9	↓-2.6
2/20 14:30	24.8	↓-2.1
2/20 14:40	23.2	↓-1.6
2/20 14:50	22.2	↓-1.0
2/20 15:00	21.8	↓-0.4	干潮
2/20 15:10	21.9	↑0.1
2/20 15:20	22.6	↑0.7
2/20 15:30	23.8	↑1.2
2/20 15:40	25.6	↑1.8
2/20 15:50	27.9	↑2.3
2/20 16:00	30.7	↑2.8
2/20 16:10	34.0	↑3.3
2/20 16:20	37.8	↑3.8
2/20 16:30	42.0	↑4.2
2/20 16:40	46.7	↑4.7
2/20 16:50	51.7	↑5.0
2/20 17:00	57.1	↑5.4
2/20 17:10	62.8	↑5.7
2/20 17:20	68.8	↑6.0
2/20 17:30	74.9	↑6.1
2/20 17:40	81.3	↑6.4
2/20 17:50	87.8	↑6.5
2/20 18:00	94.3	↑6.5
2/20 18:10	100.9	↑6.6
2/20 18:20	107.5	↑6.6
2/20 18:30	114.0	↑6.5
2/20 18:40	120.4	↑6.4
2/20 18:50	126.7	↑6.3
2/20 19:00	132.8	↑6.1
2/20 19:10	138.6	↑5.8
2/20 19:20	144.1	↑5.5
2/20 19:30	149.3	↑5.2
2/20 19:40	154.2	↑4.9
2/20 19:50	158.6	↑4.4
2/20 20:00	162.6	↑4.0
2/20 20:10	166.2	↑3.6
2/20 20:20	169.2	↑3.0
2/20 20:30	171.8	↑2.6
2/20 20:40	173.8	↑2.0
2/20 20:50	175.3	↑1.5
2/20 21:00	176.3	↑1.0
2/20 21:10	176.7	↑0.4	満潮
2/20 21:20	176.5	↓-0.2
2/20 21:30	175.8	↓-0.7
2/20 21:40	174.5	↓-1.3
2/20 21:50	172.7	↓-1.8
2/20 22:00	170.3	↓-2.4
2/20 22:10	167.4	↓-2.9
2/20 22:20	164.1	↓-3.3
2/20 22:30	160.2	↓-3.9
2/20 22:40	155.9	↓-4.3
2/20 22:50	151.2	↓-4.7
2/20 23:00	146.1	↓-5.1
2/20 23:10	140.7	↓-5.4
2/20 23:20	135.0	↓-5.7
2/20 23:30	128.9	↓-6.1
2/20 23:40	122.7	↓-6.2
2/20 23:50	116.3	↓-6.4