12 (土)	09:42	03:44	23:10	16:34
	181cm	69cm	149cm	14cm
中潮 出 06:21 入 19:00 出 23:46 入 09:49 潮干狩り ◎ 14:43～18:28

長山（沖縄）2031年04月12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
4/12 00:00	137.6	↓-3.6
4/12 00:10	133.7	↓-3.9
4/12 00:20	129.7	↓-4.0
4/12 00:30	125.5	↓-4.2
4/12 00:40	121.3	↓-4.2
4/12 00:50	116.9	↓-4.4
4/12 01:00	112.6	↓-4.3
4/12 01:10	108.3	↓-4.3
4/12 01:20	104.0	↓-4.3
4/12 01:30	99.9	↓-4.1
4/12 01:40	95.8	↓-4.1
4/12 01:50	91.9	↓-3.9
4/12 02:00	88.3	↓-3.6
4/12 02:10	84.8	↓-3.5
4/12 02:20	81.6	↓-3.2
4/12 02:30	78.7	↓-2.9
4/12 02:40	76.1	↓-2.6
4/12 02:50	73.8	↓-2.3
4/12 03:00	71.9	↓-1.9
4/12 03:10	70.4	↓-1.5
4/12 03:20	69.2	↓-1.2
4/12 03:30	68.5	↓-0.7
4/12 03:40	68.2	↓-0.3	干潮
4/12 03:50	68.3	↑0.1
4/12 04:00	68.8	↑0.5
4/12 04:10	69.7	↑0.9
4/12 04:20	71.0	↑1.3
4/12 04:30	72.7	↑1.7
4/12 04:40	74.9	↑2.2
4/12 04:50	77.4	↑2.5
4/12 05:00	80.2	↑2.8
4/12 05:10	83.4	↑3.2
4/12 05:20	86.9	↑3.5
4/12 05:30	90.7	↑3.8
4/12 05:40	94.7	↑4.0
4/12 05:50	99.0	↑4.3
4/12 06:00	103.5	↑4.5
4/12 06:10	108.1	↑4.6
4/12 06:20	112.9	↑4.8
4/12 06:30	117.7	↑4.8
4/12 06:40	122.7	↑5.0
4/12 06:50	127.6	↑4.9
4/12 07:00	132.5	↑4.9
4/12 07:10	137.3	↑4.8
4/12 07:20	142.1	↑4.8
4/12 07:30	146.7	↑4.6
4/12 07:40	151.1	↑4.4
4/12 07:50	155.4	↑4.3
4/12 08:00	159.4	↑4.0
4/12 08:10	163.1	↑3.7
4/12 08:20	166.6	↑3.5
4/12 08:30	169.7	↑3.1
4/12 08:40	172.5	↑2.8
4/12 08:50	174.9	↑2.4
4/12 09:00	176.9	↑2.0
4/12 09:10	178.5	↑1.6
4/12 09:20	179.7	↑1.2
4/12 09:30	180.4	↑0.7
4/12 09:40	180.7	↑0.3	満潮
4/12 09:50	180.5	↓-0.2
4/12 10:00	179.9	↓-0.6
4/12 10:10	178.8	↓-1.1
4/12 10:20	177.2	↓-1.6
4/12 10:30	175.2	↓-2.0
4/12 10:40	172.8	↓-2.4
4/12 10:50	169.9	↓-2.9
4/12 11:00	166.6	↓-3.3
4/12 11:10	162.9	↓-3.7
4/12 11:20	158.8	↓-4.1
4/12 11:30	154.3	↓-4.5
4/12 11:40	149.6	↓-4.7
4/12 11:50	144.5	↓-5.1
4/12 12:00	139.1	↓-5.4
4/12 12:10	133.4	↓-5.7
4/12 12:20	127.6	↓-5.8
4/12 12:30	121.6	↓-6.0
4/12 12:40	115.4	↓-6.2
4/12 12:50	109.1	↓-6.3
4/12 13:00	102.7	↓-6.4	最大潮位差
4/12 13:10	96.3	↓-6.4	最大潮位差
4/12 13:20	89.9	↓-6.4	最大潮位差
4/12 13:30	83.6	↓-6.3
4/12 13:40	77.3	↓-6.3
4/12 13:50	71.1	↓-6.2
4/12 14:00	65.1	↓-6.0
4/12 14:10	59.3	↓-5.8
4/12 14:20	53.7	↓-5.6
4/12 14:30	48.3	↓-5.4
4/12 14:40	43.3	↓-5.0
4/12 14:50	38.6	↓-4.7
4/12 15:00	34.2	↓-4.4
4/12 15:10	30.2	↓-4.0
4/12 15:20	26.6	↓-3.6
4/12 15:30	23.4	↓-3.2
4/12 15:40	20.7	↓-2.7
4/12 15:50	18.4	↓-2.3
4/12 16:00	16.6	↓-1.8
4/12 16:10	15.3	↓-1.3
4/12 16:20	14.4	↓-0.9
4/12 16:30	14.0	↓-0.4	干潮
4/12 16:40	14.1	↑0.1
4/12 16:50	14.7	↑0.6
4/12 17:00	15.7	↑1.0
4/12 17:10	17.2	↑1.5
4/12 17:20	19.2	↑2.0
4/12 17:30	21.5	↑2.3
4/12 17:40	24.3	↑2.8
4/12 17:50	27.4	↑3.1
4/12 18:00	30.9	↑3.5
4/12 18:10	34.8	↑3.9
4/12 18:20	38.9	↑4.1
4/12 18:30	43.3	↑4.4
4/12 18:40	48.0	↑4.7
4/12 18:50	52.8	↑4.8
4/12 19:00	57.9	↑5.1
4/12 19:10	63.1	↑5.2
4/12 19:20	68.3	↑5.2
4/12 19:30	73.7	↑5.4
4/12 19:40	79.1	↑5.4
4/12 19:50	84.4	↑5.3
4/12 20:00	89.8	↑5.4
4/12 20:10	95.0	↑5.2
4/12 20:20	100.2	↑5.2
4/12 20:30	105.2	↑5.0
4/12 20:40	110.1	↑4.9
4/12 20:50	114.8	↑4.7
4/12 21:00	119.2	↑4.4
4/12 21:10	123.4	↑4.2
4/12 21:20	127.4	↑4.0
4/12 21:30	131.0	↑3.6
4/12 21:40	134.4	↑3.4
4/12 21:50	137.4	↑3.0
4/12 22:00	140.1	↑2.7
4/12 22:10	142.4	↑2.3
4/12 22:20	144.4	↑2.0
4/12 22:30	146.0	↑1.6
4/12 22:40	147.3	↑1.3
4/12 22:50	148.1	↑0.8
4/12 23:00	148.7	↑0.6	満潮
4/12 23:10	148.8	↑0.1	満潮
4/12 23:20	148.6	↓-0.2
4/12 23:30	148.1	↓-0.5
4/12 23:40	147.2	↓-0.9
4/12 23:50	146.0	↓-1.2