20 (土)	07:58	02:05	21:01	14:33
	198cm	57cm	180cm	2cm
中潮 出 06:03 入 18:57 出 21:32 入 07:23 潮干狩り ◎ 12:30～16:38

座間味（沖縄）2030年04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
4/20 00:00	93.6	↓-5.4
4/20 00:10	88.3	↓-5.3
4/20 00:20	83.4	↓-4.9
4/20 00:30	78.8	↓-4.6
4/20 00:40	74.5	↓-4.3
4/20 00:50	70.6	↓-3.9
4/20 01:00	67.2	↓-3.4
4/20 01:10	64.1	↓-3.1
4/20 01:20	61.6	↓-2.5
4/20 01:30	59.5	↓-2.1
4/20 01:40	58.0	↓-1.5
4/20 01:50	57.0	↓-1.0
4/20 02:00	56.5	↓-0.5	干潮
4/20 02:10	56.5	0
4/20 02:20	57.1	↑0.6
4/20 02:30	58.2	↑1.1
4/20 02:40	59.9	↑1.7
4/20 02:50	62.0	↑2.1
4/20 03:00	64.7	↑2.7
4/20 03:10	67.8	↑3.1
4/20 03:20	71.4	↑3.6
4/20 03:30	75.5	↑4.1
4/20 03:40	79.9	↑4.4
4/20 03:50	84.7	↑4.8
4/20 04:00	89.8	↑5.1
4/20 04:10	95.2	↑5.4
4/20 04:20	100.9	↑5.7
4/20 04:30	106.7	↑5.8
4/20 04:40	112.8	↑6.1
4/20 04:50	118.9	↑6.1
4/20 05:00	125.1	↑6.2
4/20 05:10	131.4	↑6.3
4/20 05:20	137.6	↑6.2
4/20 05:30	143.7	↑6.1
4/20 05:40	149.7	↑6.0
4/20 05:50	155.5	↑5.8
4/20 06:00	161.1	↑5.6
4/20 06:10	166.4	↑5.3
4/20 06:20	171.4	↑5.0
4/20 06:30	176.1	↑4.7
4/20 06:40	180.4	↑4.3
4/20 06:50	184.3	↑3.9
4/20 07:00	187.7	↑3.4
4/20 07:10	190.6	↑2.9
4/20 07:20	193.0	↑2.4
4/20 07:30	194.8	↑1.8
4/20 07:40	196.1	↑1.3
4/20 07:50	196.9	↑0.8	満潮
4/20 08:00	197.0	↑0.1
4/20 08:10	196.6	↓-0.4
4/20 08:20	195.5	↓-1.1
4/20 08:30	193.9	↓-1.6
4/20 08:40	191.7	↓-2.2
4/20 08:50	188.9	↓-2.8
4/20 09:00	185.5	↓-3.4
4/20 09:10	181.6	↓-3.9
4/20 09:20	177.2	↓-4.4
4/20 09:30	172.3	↓-4.9
4/20 09:40	166.9	↓-5.4
4/20 09:50	161.1	↓-5.8
4/20 10:00	154.8	↓-6.3
4/20 10:10	148.3	↓-6.5
4/20 10:20	141.4	↓-6.9
4/20 10:30	134.2	↓-7.2
4/20 10:40	126.8	↓-7.4
4/20 10:50	119.2	↓-7.6
4/20 11:00	111.5	↓-7.7
4/20 11:10	103.7	↓-7.8
4/20 11:20	95.8	↓-7.9	最大潮位差
4/20 11:30	88.0	↓-7.8
4/20 11:40	80.2	↓-7.8
4/20 11:50	72.6	↓-7.6
4/20 12:00	65.1	↓-7.5
4/20 12:10	57.9	↓-7.2
4/20 12:20	50.9	↓-7.0
4/20 12:30	44.2	↓-6.7
4/20 12:40	37.9	↓-6.3
4/20 12:50	32.0	↓-5.9
4/20 13:00	26.5	↓-5.5
4/20 13:10	21.4	↓-5.1
4/20 13:20	16.9	↓-4.5
4/20 13:30	12.9	↓-4.0
4/20 13:40	9.4	↓-3.5
4/20 13:50	6.5	↓-2.9
4/20 14:00	4.3	↓-2.2
4/20 14:10	2.6	↓-1.7
4/20 14:20	1.5	↓-1.1
4/20 14:30	1.1	↓-0.4	干潮
4/20 14:40	1.2	↑0.1
4/20 14:50	2.0	↑0.8
4/20 15:00	3.4	↑1.4
4/20 15:10	5.4	↑2.0
4/20 15:20	8.0	↑2.6
4/20 15:30	11.1	↑3.1
4/20 15:40	14.8	↑3.7
4/20 15:50	19.0	↑4.2
4/20 16:00	23.7	↑4.7
4/20 16:10	28.8	↑5.1
4/20 16:20	34.3	↑5.5
4/20 16:30	40.3	↑6.0
4/20 16:40	46.5	↑6.2
4/20 16:50	53.0	↑6.5
4/20 17:00	59.8	↑6.8
4/20 17:10	66.8	↑7.0
4/20 17:20	73.9	↑7.1
4/20 17:30	81.1	↑7.2
4/20 17:40	88.3	↑7.2
4/20 17:50	95.6	↑7.3
4/20 18:00	102.8	↑7.2
4/20 18:10	110.0	↑7.2
4/20 18:20	116.9	↑6.9
4/20 18:30	123.7	↑6.8
4/20 18:40	130.3	↑6.6
4/20 18:50	136.6	↑6.3
4/20 19:00	142.6	↑6.0
4/20 19:10	148.2	↑5.6
4/20 19:20	153.5	↑5.3
4/20 19:30	158.3	↑4.8
4/20 19:40	162.7	↑4.4
4/20 19:50	166.6	↑3.9
4/20 20:00	170.0	↑3.4
4/20 20:10	172.9	↑2.9
4/20 20:20	175.3	↑2.4
4/20 20:30	177.2	↑1.9
4/20 20:40	178.5	↑1.3
4/20 20:50	179.3	↑0.8
4/20 21:00	179.5	↑0.2	満潮
4/20 21:10	179.2	↓-0.3
4/20 21:20	178.4	↓-0.8
4/20 21:30	177.1	↓-1.3
4/20 21:40	175.3	↓-1.8
4/20 21:50	173.0	↓-2.3
4/20 22:00	170.3	↓-2.7
4/20 22:10	167.2	↓-3.1
4/20 22:20	163.6	↓-3.6
4/20 22:30	159.7	↓-3.9
4/20 22:40	155.5	↓-4.2
4/20 22:50	151.1	↓-4.4
4/20 23:00	146.3	↓-4.8
4/20 23:10	141.4	↓-4.9
4/20 23:20	136.4	↓-5.0
4/20 23:30	131.2	↓-5.2
4/20 23:40	125.9	↓-5.3
4/20 23:50	120.6	↓-5.3