20 (日)	02:10	08:34	14:42	20:50
	55cm	-5cm	57cm	5cm
大潮 出 04:50 入 18:21 出 03:41 入 16:56 潮干狩り ◎ 06:02～10:58

大湊（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	40.2	↑1.9
4/20 00:10	42.1	↑1.9
4/20 00:20	43.9	↑1.8
4/20 00:30	45.6	↑1.7
4/20 00:40	47.2	↑1.6
4/20 00:50	48.7	↑1.5
4/20 01:00	50.0	↑1.3
4/20 01:10	51.2	↑1.2
4/20 01:20	52.2	↑1.0
4/20 01:30	53.0	↑0.8
4/20 01:40	53.7	↑0.7
4/20 01:50	54.2	↑0.5
4/20 02:00	54.5	↑0.3	満潮
4/20 02:10	54.5	0	満潮
4/20 02:20	54.4	↓-0.1
4/20 02:30	54.1	↓-0.3
4/20 02:40	53.6	↓-0.5
4/20 02:50	52.8	↓-0.8
4/20 03:00	51.9	↓-0.9
4/20 03:10	50.8	↓-1.1
4/20 03:20	49.6	↓-1.2
4/20 03:30	48.1	↓-1.5
4/20 03:40	46.5	↓-1.6
4/20 03:50	44.8	↓-1.7
4/20 04:00	43.0	↓-1.8
4/20 04:10	41.0	↓-2.0
4/20 04:20	38.9	↓-2.1
4/20 04:30	36.8	↓-2.1
4/20 04:40	34.6	↓-2.2
4/20 04:50	32.3	↓-2.3
4/20 05:00	30.0	↓-2.3
4/20 05:10	27.6	↓-2.4
4/20 05:20	25.2	↓-2.4
4/20 05:30	22.9	↓-2.3
4/20 05:40	20.5	↓-2.4
4/20 05:50	18.1	↓-2.4
4/20 06:00	15.8	↓-2.3
4/20 06:10	13.5	↓-2.3
4/20 06:20	11.3	↓-2.2
4/20 06:30	9.2	↓-2.1
4/20 06:40	7.1	↓-2.1
4/20 06:50	5.1	↓-2.0
4/20 07:00	3.3	↓-1.8
4/20 07:10	1.6	↓-1.7
4/20 07:20	0.0	↓-1.6
4/20 07:30	-1.4	0
4/20 07:40	-2.6	↓-1.2
4/20 07:50	-3.6	↓-1.0
4/20 08:00	-4.5	↓-0.9
4/20 08:10	-5.1	↓-0.6
4/20 08:20	-5.5	↓-0.4
4/20 08:30	-5.7	↓-0.2	干潮
4/20 08:40	-5.6	↑0.1
4/20 08:50	-5.3	↑0.3
4/20 09:00	-4.8	↑0.5
4/20 09:10	-4.1	↑0.7
4/20 09:20	-3.1	↑1.0
4/20 09:30	-1.9	↑1.2
4/20 09:40	-0.5	↑1.4
4/20 09:50	1.1	↑1.6
4/20 10:00	2.8	↑1.7
4/20 10:10	4.8	↑2.0
4/20 10:20	6.8	↑2.0
4/20 10:30	9.0	↑2.2
4/20 10:40	11.3	↑2.3
4/20 10:50	13.7	↑2.4
4/20 11:00	16.2	↑2.5
4/20 11:10	18.8	↑2.6	最大潮位差
4/20 11:20	21.4	↑2.6	最大潮位差
4/20 11:30	24.0	↑2.6	最大潮位差
4/20 11:40	26.6	↑2.6	最大潮位差
4/20 11:50	29.2	↑2.6	最大潮位差
4/20 12:00	31.7	↑2.5
4/20 12:10	34.3	↑2.6	最大潮位差
4/20 12:20	36.7	↑2.4
4/20 12:30	39.1	↑2.4
4/20 12:40	41.4	↑2.3
4/20 12:50	43.6	↑2.2
4/20 13:00	45.6	↑2.0
4/20 13:10	47.5	↑1.9
4/20 13:20	49.3	↑1.8
4/20 13:30	50.8	↑1.5
4/20 13:40	52.2	↑1.4
4/20 13:50	53.4	↑1.2
4/20 14:00	54.5	↑1.1
4/20 14:10	55.2	↑0.7
4/20 14:20	55.8	↑0.6
4/20 14:30	56.2	↑0.4
4/20 14:40	56.3	↑0.1	満潮
4/20 14:50	56.2	↓-0.1
4/20 15:00	56.0	↓-0.2
4/20 15:10	55.4	↓-0.6
4/20 15:20	54.7	↓-0.7
4/20 15:30	53.8	↓-0.9
4/20 15:40	52.8	↓-1.0
4/20 15:50	51.5	↓-1.3
4/20 16:00	50.1	↓-1.4
4/20 16:10	48.6	↓-1.5
4/20 16:20	46.9	↓-1.7
4/20 16:30	45.1	↓-1.8
4/20 16:40	43.2	↓-1.9
4/20 16:50	41.3	↓-1.9
4/20 17:00	39.3	↓-2.0
4/20 17:10	37.2	↓-2.1
4/20 17:20	35.1	↓-2.1
4/20 17:30	33.0	↓-2.1
4/20 17:40	30.9	↓-2.1
4/20 17:50	28.8	↓-2.1
4/20 18:00	26.7	↓-2.1
4/20 18:10	24.6	↓-2.1
4/20 18:20	22.5	↓-2.1
4/20 18:30	20.5	↓-2.0
4/20 18:40	18.6	↓-1.9
4/20 18:50	16.7	↓-1.9
4/20 19:00	14.9	↓-1.8
4/20 19:10	13.2	↓-1.7
4/20 19:20	11.6	↓-1.6
4/20 19:30	10.2	↓-1.4
4/20 19:40	8.8	↓-1.4
4/20 19:50	7.7	↓-1.1
4/20 20:00	6.6	↓-1.1
4/20 20:10	5.8	↓-0.8
4/20 20:20	5.1	↓-0.7
4/20 20:30	4.6	↓-0.5
4/20 20:40	4.4	↓-0.2	干潮
4/20 20:50	4.3	↓-0.1	干潮
4/20 21:00	4.4	↑0.1
4/20 21:10	4.8	↑0.4
4/20 21:20	5.3	↑0.5
4/20 21:30	6.1	↑0.8
4/20 21:40	7.0	↑0.9
4/20 21:50	8.2	↑1.2
4/20 22:00	9.5	↑1.3
4/20 22:10	11.0	↑1.5
4/20 22:20	12.6	↑1.6
4/20 22:30	14.4	↑1.8
4/20 22:40	16.3	↑1.9
4/20 22:50	18.3	↑2.0
4/20 23:00	20.4	↑2.1
4/20 23:10	22.6	↑2.2
4/20 23:20	24.8	↑2.2
4/20 23:30	27.1	↑2.3
4/20 23:40	29.3	↑2.2
4/20 23:50	31.6	↑2.3