20 (日)	01:56	08:22	14:42	20:32
	63cm	7cm	61cm	18cm
大潮 出 04:51 入 18:23 出 03:43 入 16:59 潮干狩り ◎ 06:29～10:15

大間（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	51.8	↑1.7
4/20 00:10	53.4	↑1.6
4/20 00:20	54.8	↑1.4
4/20 00:30	56.2	↑1.4
4/20 00:40	57.5	↑1.3
4/20 00:50	58.6	↑1.1
4/20 01:00	59.6	↑1.0
4/20 01:10	60.4	↑0.8
4/20 01:20	61.1	↑0.7
4/20 01:30	61.6	↑0.5
4/20 01:40	62.0	↑0.4
4/20 01:50	62.2	↑0.2	満潮
4/20 02:00	62.2	0
4/20 02:10	62.0	↓-0.2
4/20 02:20	61.6	↓-0.4
4/20 02:30	61.1	↓-0.5
4/20 02:40	60.4	↓-0.7
4/20 02:50	59.6	↓-0.8
4/20 03:00	58.5	↓-1.1
4/20 03:10	57.3	↓-1.2
4/20 03:20	56.0	↓-1.3
4/20 03:30	54.5	↓-1.5
4/20 03:40	52.9	↓-1.6
4/20 03:50	51.1	↓-1.8
4/20 04:00	49.3	↓-1.8
4/20 04:10	47.3	↓-2.0
4/20 04:20	45.2	↓-2.1
4/20 04:30	43.1	↓-2.1
4/20 04:40	40.9	↓-2.2
4/20 04:50	38.7	↓-2.2
4/20 05:00	36.4	↓-2.3	最大潮位差
4/20 05:10	34.1	↓-2.3	最大潮位差
4/20 05:20	31.9	↓-2.2
4/20 05:30	29.6	↓-2.3	最大潮位差
4/20 05:40	27.3	↓-2.3	最大潮位差
4/20 05:50	25.1	↓-2.2
4/20 06:00	23.0	↓-2.1
4/20 06:10	20.9	↓-2.1
4/20 06:20	19.0	↓-1.9
4/20 06:30	17.1	↓-1.9
4/20 06:40	15.3	↓-1.8
4/20 06:50	13.7	↓-1.6
4/20 07:00	12.2	↓-1.5
4/20 07:10	10.8	↓-1.4
4/20 07:20	9.6	↓-1.2
4/20 07:30	8.6	↓-1.0
4/20 07:40	7.8	↓-0.8
4/20 07:50	7.1	↓-0.7
4/20 08:00	6.6	↓-0.5
4/20 08:10	6.3	↓-0.3
4/20 08:20	6.2	↓-0.1	干潮
4/20 08:30	6.2	0
4/20 08:40	6.5	↑0.3
4/20 08:50	6.9	↑0.4
4/20 09:00	7.6	↑0.7
4/20 09:10	8.4	↑0.8
4/20 09:20	9.4	↑1.0
4/20 09:30	10.5	↑1.1
4/20 09:40	11.8	↑1.3
4/20 09:50	13.3	↑1.5
4/20 10:00	14.9	↑1.6
4/20 10:10	16.6	↑1.7
4/20 10:20	18.5	↑1.9
4/20 10:30	20.4	↑1.9
4/20 10:40	22.5	↑2.1
4/20 10:50	24.6	↑2.1
4/20 11:00	26.7	↑2.1
4/20 11:10	29.0	↑2.3	最大潮位差
4/20 11:20	31.2	↑2.2
4/20 11:30	33.5	↑2.3	最大潮位差
4/20 11:40	35.8	↑2.3	最大潮位差
4/20 11:50	38.0	↑2.2
4/20 12:00	40.2	↑2.2
4/20 12:10	42.4	↑2.2
4/20 12:20	44.5	↑2.1
4/20 12:30	46.5	↑2.0
4/20 12:40	48.5	↑2.0
4/20 12:50	50.3	↑1.8
4/20 13:00	52.0	↑1.7
4/20 13:10	53.6	↑1.6
4/20 13:20	55.1	↑1.5
4/20 13:30	56.4	↑1.3
4/20 13:40	57.6	↑1.2
4/20 13:50	58.6	↑1.0
4/20 14:00	59.4	↑0.8
4/20 14:10	60.0	↑0.6
4/20 14:20	60.5	↑0.5
4/20 14:30	60.8	↑0.3
4/20 14:40	60.9	↑0.1	満潮
4/20 14:50	60.8	↓-0.1
4/20 15:00	60.6	↓-0.2
4/20 15:10	60.2	↓-0.4
4/20 15:20	59.6	↓-0.6
4/20 15:30	58.8	↓-0.8
4/20 15:40	57.9	↓-0.9
4/20 15:50	56.8	↓-1.1
4/20 16:00	55.6	↓-1.2
4/20 16:10	54.2	↓-1.4
4/20 16:20	52.8	↓-1.4
4/20 16:30	51.2	↓-1.6
4/20 16:40	49.5	↓-1.7
4/20 16:50	47.8	↓-1.7
4/20 17:00	45.9	↓-1.9
4/20 17:10	44.1	↓-1.8
4/20 17:20	42.1	↓-2.0
4/20 17:30	40.2	↓-1.9
4/20 17:40	38.2	↓-2.0
4/20 17:50	36.3	↓-1.9
4/20 18:00	34.4	↓-1.9
4/20 18:10	32.5	↓-1.9
4/20 18:20	30.7	↓-1.8
4/20 18:30	28.9	↓-1.8
4/20 18:40	27.2	↓-1.7
4/20 18:50	25.6	↓-1.6
4/20 19:00	24.1	↓-1.5
4/20 19:10	22.8	↓-1.3
4/20 19:20	21.6	↓-1.2
4/20 19:30	20.5	↓-1.1
4/20 19:40	19.5	↓-1.0
4/20 19:50	18.7	↓-0.8
4/20 20:00	18.1	↓-0.6
4/20 20:10	17.7	↓-0.4
4/20 20:20	17.4	↓-0.3
4/20 20:30	17.3	↓-0.1	干潮
4/20 20:40	17.4	↑0.1
4/20 20:50	17.6	↑0.2
4/20 21:00	18.1	↑0.5
4/20 21:10	18.7	↑0.6
4/20 21:20	19.5	↑0.8
4/20 21:30	20.4	↑0.9
4/20 21:40	21.5	↑1.1
4/20 21:50	22.7	↑1.2
4/20 22:00	24.1	↑1.4
4/20 22:10	25.7	↑1.6
4/20 22:20	27.3	↑1.6
4/20 22:30	29.0	↑1.7
4/20 22:40	30.9	↑1.9
4/20 22:50	32.8	↑1.9
4/20 23:00	34.8	↑2.0
4/20 23:10	36.8	↑2.0
4/20 23:20	38.9	↑2.1
4/20 23:30	41.0	↑2.1
4/20 23:40	43.1	↑2.1
4/20 23:50	45.2	↑2.1