20 (日)	02:20	08:53	14:55	20:55
	39cm	1cm	37cm	10cm
大潮 出 04:53 入 18:24 出 03:45 入 17:00 潮干狩り ◎ 06:28～11:12

竜飛（青森）2031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	27.9	↑1.3
4/20 00:10	29.2	↑1.3
4/20 00:20	30.4	↑1.2
4/20 00:30	31.6	↑1.2
4/20 00:40	32.7	↑1.1
4/20 00:50	33.7	↑1.0
4/20 01:00	34.6	↑0.9
4/20 01:10	35.5	↑0.9
4/20 01:20	36.2	↑0.7
4/20 01:30	36.9	↑0.7
4/20 01:40	37.4	↑0.5
4/20 01:50	37.8	↑0.4
4/20 02:00	38.1	↑0.3
4/20 02:10	38.2	↑0.1	満潮
4/20 02:20	38.3	↑0.1	満潮
4/20 02:30	38.2	↓-0.1
4/20 02:40	38.0	↓-0.2
4/20 02:50	37.7	↓-0.3
4/20 03:00	37.3	↓-0.4
4/20 03:10	36.8	↓-0.5
4/20 03:20	36.2	↓-0.6
4/20 03:30	35.4	↓-0.8
4/20 03:40	34.6	↓-0.8
4/20 03:50	33.7	↓-0.9
4/20 04:00	32.7	↓-1.0
4/20 04:10	31.6	↓-1.1
4/20 04:20	30.4	↓-1.2
4/20 04:30	29.2	↓-1.2
4/20 04:40	27.9	↓-1.3
4/20 04:50	26.5	↓-1.4
4/20 05:00	25.2	↓-1.3
4/20 05:10	23.7	↓-1.5
4/20 05:20	22.3	↓-1.4
4/20 05:30	20.8	↓-1.5
4/20 05:40	19.3	↓-1.5
4/20 05:50	17.8	↓-1.5
4/20 06:00	16.3	↓-1.5
4/20 06:10	14.8	↓-1.5
4/20 06:20	13.4	↓-1.4
4/20 06:30	12.0	↓-1.4
4/20 06:40	10.6	↓-1.4
4/20 06:50	9.3	↓-1.3
4/20 07:00	8.1	↓-1.2
4/20 07:10	6.9	↓-1.2
4/20 07:20	5.9	↓-1.0
4/20 07:30	4.9	↓-1.0
4/20 07:40	4.0	↓-0.9
4/20 07:50	3.2	↓-0.8
4/20 08:00	2.5	↓-0.7
4/20 08:10	2.0	↓-0.5
4/20 08:20	1.5	↓-0.5
4/20 08:30	1.2	↓-0.3
4/20 08:40	1.0	↓-0.2
4/20 08:50	0.9	↓-0.1	干潮
4/20 09:00	1.0	↑0.1
4/20 09:10	1.1	↑0.1
4/20 09:20	1.4	↑0.3
4/20 09:30	1.8	↑0.4
4/20 09:40	2.4	↑0.6
4/20 09:50	3.1	↑0.7
4/20 10:00	3.8	↑0.7
4/20 10:10	4.7	↑0.9
4/20 10:20	5.7	↑1.0
4/20 10:30	6.9	↑1.2
4/20 10:40	8.1	↑1.2
4/20 10:50	9.4	↑1.3
4/20 11:00	10.7	↑1.3
4/20 11:10	12.2	↑1.5
4/20 11:20	13.7	↑1.5
4/20 11:30	15.2	↑1.5
4/20 11:40	16.8	↑1.6	最大潮位差
4/20 11:50	18.4	↑1.6	最大潮位差
4/20 12:00	20.0	↑1.6	最大潮位差
4/20 12:10	21.6	↑1.6	最大潮位差
4/20 12:20	23.2	↑1.6	最大潮位差
4/20 12:30	24.8	↑1.6	最大潮位差
4/20 12:40	26.3	↑1.5
4/20 12:50	27.7	↑1.4
4/20 13:00	29.1	↑1.4
4/20 13:10	30.3	↑1.2
4/20 13:20	31.5	↑1.2
4/20 13:30	32.6	↑1.1
4/20 13:40	33.6	↑1.0
4/20 13:50	34.4	↑0.8
4/20 14:00	35.2	↑0.8
4/20 14:10	35.8	↑0.6
4/20 14:20	36.3	↑0.5
4/20 14:30	36.6	↑0.3
4/20 14:40	36.9	↑0.3
4/20 14:50	37.0	↑0.1	満潮
4/20 15:00	37.0	0
4/20 15:10	36.8	↓-0.2
4/20 15:20	36.6	↓-0.2
4/20 15:30	36.3	↓-0.3
4/20 15:40	35.8	↓-0.5
4/20 15:50	35.3	↓-0.5
4/20 16:00	34.6	↓-0.7
4/20 16:10	33.9	↓-0.7
4/20 16:20	33.1	↓-0.8
4/20 16:30	32.2	↓-0.9
4/20 16:40	31.3	↓-0.9
4/20 16:50	30.3	↓-1.0
4/20 17:00	29.2	↓-1.1
4/20 17:10	28.1	↓-1.1
4/20 17:20	27.0	↓-1.1
4/20 17:30	25.8	↓-1.2
4/20 17:40	24.6	↓-1.2
4/20 17:50	23.4	↓-1.2
4/20 18:00	22.2	↓-1.2
4/20 18:10	21.0	↓-1.2
4/20 18:20	19.8	↓-1.2
4/20 18:30	18.6	↓-1.2
4/20 18:40	17.5	↓-1.1
4/20 18:50	16.4	↓-1.1
4/20 19:00	15.3	↓-1.1
4/20 19:10	14.3	↓-1.0
4/20 19:20	13.4	↓-0.9
4/20 19:30	12.6	↓-0.8
4/20 19:40	11.8	↓-0.8
4/20 19:50	11.1	↓-0.7
4/20 20:00	10.5	↓-0.6
4/20 20:10	10.0	↓-0.5
4/20 20:20	9.6	↓-0.4
4/20 20:30	9.3	↓-0.3
4/20 20:40	9.1	↓-0.2
4/20 20:50	9.0	↓-0.1	干潮
4/20 21:00	9.0	0
4/20 21:10	9.2	↑0.2
4/20 21:20	9.4	↑0.2
4/20 21:30	9.7	↑0.3
4/20 21:40	10.2	↑0.5
4/20 21:50	10.7	↑0.5
4/20 22:00	11.3	↑0.6
4/20 22:10	12.1	↑0.8
4/20 22:20	12.9	↑0.8
4/20 22:30	13.9	↑1.0
4/20 22:40	14.9	↑1.0
4/20 22:50	16.0	↑1.1
4/20 23:00	17.2	↑1.2
4/20 23:10	18.5	↑1.3
4/20 23:20	19.8	↑1.3
4/20 23:30	21.1	↑1.3
4/20 23:40	22.5	↑1.4
4/20 23:50	24.0	↑1.5