18 (月)	06:32	00:16	18:31	12:26
	163cm	18cm	180cm	39cm
大潮 出 06:46 入 18:50 出 17:26 入 05:17 潮干狩り ○ 11:46～13:04

長山（沖縄）2030年03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
3/18 00:00	17.7	↓-1.0
3/18 00:10	17.2	↓-0.5	干潮
3/18 00:20	17.2	0
3/18 00:30	17.7	↑0.5
3/18 00:40	18.7	↑1.0
3/18 00:50	20.2	↑1.5
3/18 01:00	22.1	↑1.9
3/18 01:10	24.6	↑2.5
3/18 01:20	27.4	↑2.8
3/18 01:30	30.8	↑3.4
3/18 01:40	34.5	↑3.7
3/18 01:50	38.6	↑4.1
3/18 02:00	43.1	↑4.5
3/18 02:10	47.9	↑4.8
3/18 02:20	53.0	↑5.1
3/18 02:30	58.3	↑5.3
3/18 02:40	63.9	↑5.6
3/18 02:50	69.7	↑5.8
3/18 03:00	75.6	↑5.9
3/18 03:10	81.6	↑6.0
3/18 03:20	87.6	↑6.0
3/18 03:30	93.7	↑6.1
3/18 03:40	99.8	↑6.1
3/18 03:50	105.8	↑6.0
3/18 04:00	111.7	↑5.9
3/18 04:10	117.4	↑5.7
3/18 04:20	123.0	↑5.6
3/18 04:30	128.3	↑5.3
3/18 04:40	133.3	↑5.0
3/18 04:50	138.0	↑4.7
3/18 05:00	142.4	↑4.4
3/18 05:10	146.5	↑4.1
3/18 05:20	150.1	↑3.6
3/18 05:30	153.3	↑3.2
3/18 05:40	156.0	↑2.7
3/18 05:50	158.3	↑2.3
3/18 06:00	160.1	↑1.8
3/18 06:10	161.4	↑1.3
3/18 06:20	162.3	↑0.9
3/18 06:30	162.6	↑0.3	満潮
3/18 06:40	162.4	↓-0.2
3/18 06:50	161.7	↓-0.7
3/18 07:00	160.5	↓-1.2
3/18 07:10	158.8	↓-1.7
3/18 07:20	156.7	↓-2.1
3/18 07:30	154.1	↓-2.6
3/18 07:40	151.1	↓-3.0
3/18 07:50	147.7	↓-3.4
3/18 08:00	143.9	↓-3.8
3/18 08:10	139.8	↓-4.1
3/18 08:20	135.4	↓-4.4
3/18 08:30	130.7	↓-4.7
3/18 08:40	125.7	↓-5.0
3/18 08:50	120.6	↓-5.1
3/18 09:00	115.3	↓-5.3
3/18 09:10	109.9	↓-5.4
3/18 09:20	104.4	↓-5.5
3/18 09:30	98.9	↓-5.5
3/18 09:40	93.4	↓-5.5
3/18 09:50	88.0	↓-5.4
3/18 10:00	82.7	↓-5.3
3/18 10:10	77.5	↓-5.2
3/18 10:20	72.5	↓-5.0
3/18 10:30	67.7	↓-4.8
3/18 10:40	63.1	↓-4.6
3/18 10:50	58.9	↓-4.2
3/18 11:00	54.9	↓-4.0
3/18 11:10	51.4	↓-3.5
3/18 11:20	48.2	↓-3.2
3/18 11:30	45.4	↓-2.8
3/18 11:40	43.1	↓-2.3
3/18 11:50	41.1	↓-2.0
3/18 12:00	39.7	↓-1.4
3/18 12:10	38.7	↓-1.0
3/18 12:20	38.3	↓-0.4	干潮
3/18 12:30	38.3	0
3/18 12:40	38.8	↑0.5
3/18 12:50	39.8	↑1.0
3/18 13:00	41.3	↑1.5
3/18 13:10	43.3	↑2.0
3/18 13:20	45.7	↑2.4
3/18 13:30	48.6	↑2.9
3/18 13:40	52.0	↑3.4
3/18 13:50	55.7	↑3.7
3/18 14:00	59.8	↑4.1
3/18 14:10	64.3	↑4.5
3/18 14:20	69.1	↑4.8
3/18 14:30	74.3	↑5.2
3/18 14:40	79.6	↑5.3
3/18 14:50	85.2	↑5.6
3/18 15:00	91.0	↑5.8
3/18 15:10	96.9	↑5.9
3/18 15:20	102.9	↑6.0
3/18 15:30	109.0	↑6.1
3/18 15:40	115.1	↑6.1
3/18 15:50	121.1	↑6.0
3/18 16:00	127.0	↑5.9
3/18 16:10	132.9	↑5.9
3/18 16:20	138.5	↑5.6
3/18 16:30	144.0	↑5.5
3/18 16:40	149.2	↑5.2
3/18 16:50	154.1	↑4.9
3/18 17:00	158.6	↑4.5
3/18 17:10	162.8	↑4.2
3/18 17:20	166.6	↑3.8
3/18 17:30	169.9	↑3.3
3/18 17:40	172.8	↑2.9
3/18 17:50	175.2	↑2.4
3/18 18:00	177.1	↑1.9
3/18 18:10	178.5	↑1.4
3/18 18:20	179.3	↑0.8
3/18 18:30	179.6	↑0.3	満潮
3/18 18:40	179.4	↓-0.2
3/18 18:50	178.5	↓-0.9
3/18 19:00	177.2	↓-1.3
3/18 19:10	175.2	↓-2.0
3/18 19:20	172.8	↓-2.4
3/18 19:30	169.8	↓-3.0
3/18 19:40	166.4	↓-3.4
3/18 19:50	162.4	↓-4.0
3/18 20:00	158.0	↓-4.4
3/18 20:10	153.2	↓-4.8
3/18 20:20	148.0	↓-5.2
3/18 20:30	142.5	↓-5.5
3/18 20:40	136.6	↓-5.9
3/18 20:50	130.4	↓-6.2
3/18 21:00	124.1	↓-6.3
3/18 21:10	117.5	↓-6.6
3/18 21:20	110.8	↓-6.7
3/18 21:30	104.0	↓-6.8
3/18 21:40	97.2	↓-6.8
3/18 21:50	90.3	↓-6.9	最大潮位差
3/18 22:00	83.5	↓-6.8
3/18 22:10	76.8	↓-6.7
3/18 22:20	70.2	↓-6.6
3/18 22:30	63.8	↓-6.4
3/18 22:40	57.7	↓-6.1
3/18 22:50	51.8	↓-5.9
3/18 23:00	46.2	↓-5.6
3/18 23:10	41.0	↓-5.2
3/18 23:20	36.1	↓-4.9
3/18 23:30	31.7	↓-4.4
3/18 23:40	27.7	↓-4.0
3/18 23:50	24.2	↓-3.5