18 (日)	09:43	03:30	22:01	16:01
	158cm	38cm	137cm	39cm
中潮 出 07:11 入 18:36 出 09:30 入 22:42 潮干狩り ○ 15:19～16:42

長山（沖縄）2029年02月18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
2/18 00:00	106.2	↓-4.5
2/18 00:10	101.5	↓-4.7
2/18 00:20	96.7	↓-4.8
2/18 00:30	91.9	↓-4.8
2/18 00:40	87.1	↓-4.8
2/18 00:50	82.4	↓-4.7
2/18 01:00	77.7	↓-4.7
2/18 01:10	73.1	↓-4.6
2/18 01:20	68.7	↓-4.4
2/18 01:30	64.5	↓-4.2
2/18 01:40	60.4	↓-4.1
2/18 01:50	56.6	↓-3.8
2/18 02:00	53.1	↓-3.5
2/18 02:10	49.9	↓-3.2
2/18 02:20	47.0	↓-2.9
2/18 02:30	44.4	↓-2.6
2/18 02:40	42.2	↓-2.2
2/18 02:50	40.4	↓-1.8
2/18 03:00	39.0	↓-1.4
2/18 03:10	38.0	↓-1.0
2/18 03:20	37.4	↓-0.6	干潮
2/18 03:30	37.2	↓-0.2	干潮
2/18 03:40	37.5	↑0.3
2/18 03:50	38.2	↑0.7
2/18 04:00	39.3	↑1.1
2/18 04:10	40.8	↑1.5
2/18 04:20	42.8	↑2.0
2/18 04:30	45.1	↑2.3
2/18 04:40	47.8	↑2.7
2/18 04:50	50.8	↑3.0
2/18 05:00	54.2	↑3.4
2/18 05:10	57.9	↑3.7
2/18 05:20	61.9	↑4.0
2/18 05:30	66.1	↑4.2
2/18 05:40	70.5	↑4.4
2/18 05:50	75.2	↑4.7
2/18 06:00	80.0	↑4.8
2/18 06:10	84.9	↑4.9
2/18 06:20	89.9	↑5.0
2/18 06:30	94.9	↑5.0
2/18 06:40	100.0	↑5.1	最大潮位差
2/18 06:50	105.0	↑5.0
2/18 07:00	110.0	↑5.0
2/18 07:10	114.9	↑4.9
2/18 07:20	119.7	↑4.8
2/18 07:30	124.3	↑4.6
2/18 07:40	128.7	↑4.4
2/18 07:50	132.9	↑4.2
2/18 08:00	136.8	↑3.9
2/18 08:10	140.5	↑3.7
2/18 08:20	143.8	↑3.3
2/18 08:30	146.8	↑3.0
2/18 08:40	149.5	↑2.7
2/18 08:50	151.8	↑2.3
2/18 09:00	153.8	↑2.0
2/18 09:10	155.3	↑1.5
2/18 09:20	156.4	↑1.1
2/18 09:30	157.1	↑0.7
2/18 09:40	157.5	↑0.4	満潮
2/18 09:50	157.3	↓-0.2
2/18 10:00	156.8	↓-0.5
2/18 10:10	155.9	↓-0.9
2/18 10:20	154.5	↓-1.4
2/18 10:30	152.8	↓-1.7
2/18 10:40	150.7	↓-2.1
2/18 10:50	148.2	↓-2.5
2/18 11:00	145.4	↓-2.8
2/18 11:10	142.2	↓-3.2
2/18 11:20	138.8	↓-3.4
2/18 11:30	135.0	↓-3.8
2/18 11:40	131.0	↓-4.0
2/18 11:50	126.8	↓-4.2
2/18 12:00	122.3	↓-4.5
2/18 12:10	117.7	↓-4.6
2/18 12:20	113.0	↓-4.7
2/18 12:30	108.1	↓-4.9
2/18 12:40	103.2	↓-4.9
2/18 12:50	98.3	↓-4.9
2/18 13:00	93.3	↓-5.0
2/18 13:10	88.4	↓-4.9
2/18 13:20	83.6	↓-4.8
2/18 13:30	78.8	↓-4.8
2/18 13:40	74.2	↓-4.6
2/18 13:50	69.8	↓-4.4
2/18 14:00	65.5	↓-4.3
2/18 14:10	61.5	↓-4.0
2/18 14:20	57.8	↓-3.7
2/18 14:30	54.3	↓-3.5
2/18 14:40	51.1	↓-3.2
2/18 14:50	48.2	↓-2.9
2/18 15:00	45.7	↓-2.5
2/18 15:10	43.6	↓-2.1
2/18 15:20	41.8	↓-1.8
2/18 15:30	40.4	↓-1.4
2/18 15:40	39.4	↓-1.0
2/18 15:50	38.8	↓-0.6
2/18 16:00	38.6	↓-0.2	干潮
2/18 16:10	38.8	↑0.2
2/18 16:20	39.4	↑0.6
2/18 16:30	40.4	↑1.0
2/18 16:40	41.8	↑1.4
2/18 16:50	43.5	↑1.7
2/18 17:00	45.6	↑2.1
2/18 17:10	48.0	↑2.4
2/18 17:20	50.7	↑2.7
2/18 17:30	53.7	↑3.0
2/18 17:40	57.0	↑3.3
2/18 17:50	60.4	↑3.4
2/18 18:00	64.2	↑3.8
2/18 18:10	68.0	↑3.8
2/18 18:20	72.1	↑4.1
2/18 18:30	76.2	↑4.1
2/18 18:40	80.4	↑4.2
2/18 18:50	84.7	↑4.3
2/18 19:00	89.0	↑4.3
2/18 19:10	93.2	↑4.2
2/18 19:20	97.4	↑4.2
2/18 19:30	101.6	↑4.2
2/18 19:40	105.6	↑4.0
2/18 19:50	109.5	↑3.9
2/18 20:00	113.2	↑3.7
2/18 20:10	116.7	↑3.5
2/18 20:20	120.0	↑3.3
2/18 20:30	123.1	↑3.1
2/18 20:40	125.9	↑2.8
2/18 20:50	128.4	↑2.5
2/18 21:00	130.6	↑2.2
2/18 21:10	132.5	↑1.9
2/18 21:20	134.1	↑1.6
2/18 21:30	135.3	↑1.2
2/18 21:40	136.2	↑0.9
2/18 21:50	136.7	↑0.5
2/18 22:00	136.9	↑0.2	満潮
2/18 22:10	136.7	↓-0.2
2/18 22:20	136.2	↓-0.5
2/18 22:30	135.3	↓-0.9
2/18 22:40	134.1	↓-1.2
2/18 22:50	132.6	↓-1.5
2/18 23:00	130.8	↓-1.8
2/18 23:10	128.6	↓-2.2
2/18 23:20	126.2	↓-2.4
2/18 23:30	123.5	↓-2.7
2/18 23:40	120.6	↓-2.9
2/18 23:50	117.5	↓-3.1