20 (土)	01:41	06:13	12:48	20:53
	21cm	9cm	45cm	-5cm
中潮 出 05:34 入 18:48 出 21:32 入 06:45 潮干狩り ○ 05:34～07:23

浜田市外ノ浦（島根）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	16.2	↑0.9
4/20 00:10	17.0	↑0.8
4/20 00:20	17.6	↑0.6
4/20 00:30	18.3	↑0.7
4/20 00:40	18.8	↑0.5
4/20 00:50	19.2	↑0.4
4/20 01:00	19.5	↑0.3
4/20 01:10	19.8	↑0.3
4/20 01:20	20.0	↑0.2
4/20 01:30	20.1	↑0.1
4/20 01:40	20.1	0	満潮
4/20 01:50	20.1	0
4/20 02:00	20.0	↓-0.1
4/20 02:10	19.8	↓-0.2
4/20 02:20	19.6	↓-0.2
4/20 02:30	19.3	↓-0.3
4/20 02:40	19.0	↓-0.3
4/20 02:50	18.6	↓-0.4
4/20 03:00	18.1	↓-0.5
4/20 03:10	17.6	↓-0.5
4/20 03:20	17.1	↓-0.5
4/20 03:30	16.5	↓-0.6
4/20 03:40	15.9	↓-0.6
4/20 03:50	15.3	↓-0.6
4/20 04:00	14.6	↓-0.7
4/20 04:10	13.9	↓-0.7
4/20 04:20	13.2	↓-0.7
4/20 04:30	12.6	↓-0.6
4/20 04:40	11.9	↓-0.7
4/20 04:50	11.3	↓-0.6
4/20 05:00	10.7	↓-0.6
4/20 05:10	10.2	↓-0.5
4/20 05:20	9.7	↓-0.5
4/20 05:30	9.3	↓-0.4
4/20 05:40	9.0	↓-0.3
4/20 05:50	8.7	↓-0.3
4/20 06:00	8.6	↓-0.1
4/20 06:10	8.5	↓-0.1	干潮
4/20 06:20	8.5	0
4/20 06:30	8.7	↑0.2
4/20 06:40	8.9	↑0.2
4/20 06:50	9.2	↑0.3
4/20 07:00	9.6	↑0.4
4/20 07:10	10.1	↑0.5
4/20 07:20	10.7	↑0.6
4/20 07:30	11.3	↑0.6
4/20 07:40	12.1	↑0.8
4/20 07:50	12.9	↑0.8
4/20 08:00	13.8	↑0.9
4/20 08:10	14.8	↑1.0
4/20 08:20	15.8	↑1.0
4/20 08:30	16.9	↑1.1
4/20 08:40	18.1	↑1.2
4/20 08:50	19.4	↑1.3
4/20 09:00	20.6	↑1.2
4/20 09:10	22.0	↑1.4
4/20 09:20	23.4	↑1.4
4/20 09:30	24.8	↑1.4
4/20 09:40	26.3	↑1.5
4/20 09:50	27.7	↑1.4
4/20 10:00	29.2	↑1.5
4/20 10:10	30.7	↑1.5
4/20 10:20	32.2	↑1.5
4/20 10:30	33.6	↑1.4
4/20 10:40	35.0	↑1.4
4/20 10:50	36.3	↑1.3
4/20 11:00	37.6	↑1.3
4/20 11:10	38.8	↑1.2
4/20 11:20	39.9	↑1.1
4/20 11:30	41.0	↑1.1
4/20 11:40	41.9	↑0.9
4/20 11:50	42.6	↑0.7
4/20 12:00	43.3	↑0.7
4/20 12:10	43.8	↑0.5
4/20 12:20	44.2	↑0.4
4/20 12:30	44.5	↑0.3
4/20 12:40	44.6	↑0.1	満潮
4/20 12:50	44.7	↑0.1
4/20 13:00	44.6	↓-0.1
4/20 13:10	44.4	↓-0.2
4/20 13:20	44.0	↓-0.4
4/20 13:30	43.6	↓-0.4
4/20 13:40	43.1	↓-0.5
4/20 13:50	42.5	↓-0.6
4/20 14:00	41.8	↓-0.7
4/20 14:10	41.0	↓-0.8
4/20 14:20	40.2	↓-0.8
4/20 14:30	39.3	↓-0.9
4/20 14:40	38.3	↓-1.0
4/20 14:50	37.2	↓-1.1
4/20 15:00	36.0	↓-1.2
4/20 15:10	34.8	↓-1.2
4/20 15:20	33.6	↓-1.2
4/20 15:30	32.2	↓-1.4
4/20 15:40	30.8	↓-1.4
4/20 15:50	29.4	↓-1.4
4/20 16:00	27.9	↓-1.5
4/20 16:10	26.3	↓-1.6
4/20 16:20	24.7	↓-1.6
4/20 16:30	23.1	↓-1.6
4/20 16:40	21.4	↓-1.7	最大潮位差
4/20 16:50	19.8	↓-1.6
4/20 17:00	18.1	↓-1.7	最大潮位差
4/20 17:10	16.4	↓-1.7	最大潮位差
4/20 17:20	14.7	↓-1.7	最大潮位差
4/20 17:30	13.1	↓-1.6
4/20 17:40	11.5	↓-1.6
4/20 17:50	9.9	↓-1.6
4/20 18:00	8.4	↓-1.5
4/20 18:10	6.9	↓-1.5
4/20 18:20	5.5	↓-1.4
4/20 18:30	4.1	↓-1.4
4/20 18:40	2.9	↓-1.2
4/20 18:50	1.7	↓-1.2
4/20 19:00	0.6	↓-1.1
4/20 19:10	-0.4	↓-1.0
4/20 19:20	-1.4	↓-1.0
4/20 19:30	-2.2	↓-0.8
4/20 19:40	-3.0	↓-0.8
4/20 19:50	-3.6	↓-0.6
4/20 20:00	-4.2	↓-0.6
4/20 20:10	-4.7	↓-0.5
4/20 20:20	-5.0	↓-0.3
4/20 20:30	-5.3	↓-0.3
4/20 20:40	-5.5	↓-0.2
4/20 20:50	-5.6	↓-0.1	干潮
4/20 21:00	-5.5	↑0.1
4/20 21:10	-5.4	↑0.1
4/20 21:20	-5.1	↑0.3
4/20 21:30	-4.8	↑0.3
4/20 21:40	-4.3	↑0.5
4/20 21:50	-3.7	↑0.6
4/20 22:00	-3.1	↑0.6
4/20 22:10	-2.3	↑0.8
4/20 22:20	-1.5	↑0.8
4/20 22:30	-0.6	↑0.9
4/20 22:40	0.4	↑1.0
4/20 22:50	1.4	↑1.0
4/20 23:00	2.5	↑1.1
4/20 23:10	3.6	↑1.1
4/20 23:20	4.7	↑1.1
4/20 23:30	5.8	↑1.1
4/20 23:40	6.9	↑1.1
4/20 23:50	7.9	↑1.0