20 (土)	04:01	10:40	17:15	22:49
	69cm	-7cm	66cm	23cm
中潮 出 04:51 入 18:23 出 21:16 入 05:51 潮干狩り ◎ 08:07～13:14

大間（青森）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	30.1	↑1.7
4/20 00:10	31.9	↑1.8
4/20 00:20	33.8	↑1.9
4/20 00:30	35.8	↑2.0
4/20 00:40	37.9	↑2.1
4/20 00:50	40.0	↑2.1
4/20 01:00	42.2	↑2.2
4/20 01:10	44.4	↑2.2
4/20 01:20	46.6	↑2.2
4/20 01:30	48.8	↑2.2
4/20 01:40	51.0	↑2.2
4/20 01:50	53.1	↑2.1
4/20 02:00	55.1	↑2.0
4/20 02:10	57.1	↑2.0
4/20 02:20	58.9	↑1.8
4/20 02:30	60.7	↑1.8
4/20 02:40	62.3	↑1.6
4/20 02:50	63.7	↑1.4
4/20 03:00	65.0	↑1.3
4/20 03:10	66.2	↑1.2
4/20 03:20	67.1	↑0.9
4/20 03:30	67.8	↑0.7
4/20 03:40	68.4	↑0.6
4/20 03:50	68.7	↑0.3
4/20 04:00	68.8	↑0.1	満潮
4/20 04:10	68.7	↓-0.1
4/20 04:20	68.4	↓-0.3
4/20 04:30	67.9	↓-0.5
4/20 04:40	67.1	↓-0.8
4/20 04:50	66.1	↓-1.0
4/20 05:00	64.9	↓-1.2
4/20 05:10	63.5	↓-1.4
4/20 05:20	61.9	↓-1.6
4/20 05:30	60.1	↓-1.8
4/20 05:40	58.1	↓-2.0
4/20 05:50	55.9	↓-2.2
4/20 06:00	53.6	↓-2.3
4/20 06:10	51.2	↓-2.4
4/20 06:20	48.6	↓-2.6
4/20 06:30	45.9	↓-2.7
4/20 06:40	43.0	↓-2.9
4/20 06:50	40.1	↓-2.9
4/20 07:00	37.2	↓-2.9
4/20 07:10	34.2	↓-3.0
4/20 07:20	31.2	↓-3.0
4/20 07:30	28.1	↓-3.1	最大潮位差
4/20 07:40	25.1	↓-3.0
4/20 07:50	22.1	↓-3.0
4/20 08:00	19.2	↓-2.9
4/20 08:10	16.3	↓-2.9
4/20 08:20	13.5	↓-2.8
4/20 08:30	10.9	↓-2.6
4/20 08:40	8.3	↓-2.6
4/20 08:50	5.9	↓-2.4
4/20 09:00	3.7	↓-2.2
4/20 09:10	1.6	↓-2.1
4/20 09:20	-0.3	↓-1.9
4/20 09:30	-2.0	↓-1.7
4/20 09:40	-3.5	↓-1.5
4/20 09:50	-4.7	↓-1.2
4/20 10:00	-5.8	↓-1.1
4/20 10:10	-6.6	↓-0.8
4/20 10:20	-7.2	↓-0.6
4/20 10:30	-7.5	↓-0.3	干潮
4/20 10:40	-7.6	↓-0.1	干潮
4/20 10:50	-7.5	↑0.1
4/20 11:00	-7.1	↑0.4
4/20 11:10	-6.5	↑0.6
4/20 11:20	-5.6	↑0.9
4/20 11:30	-4.5	↑1.1
4/20 11:40	-3.2	↑1.3
4/20 11:50	-1.7	↑1.5
4/20 12:00	0.0	↑1.7
4/20 12:10	1.9	0
4/20 12:20	3.9	↑2.0
4/20 12:30	6.2	↑2.3
4/20 12:40	8.5	↑2.3
4/20 12:50	11.0	↑2.5
4/20 13:00	13.7	↑2.7
4/20 13:10	16.4	↑2.7
4/20 13:20	19.2	↑2.8
4/20 13:30	22.0	↑2.8
4/20 13:40	24.9	↑2.9
4/20 13:50	27.8	↑2.9
4/20 14:00	30.7	↑2.9
4/20 14:10	33.6	↑2.9
4/20 14:20	36.4	↑2.8
4/20 14:30	39.2	↑2.8
4/20 14:40	42.0	↑2.8
4/20 14:50	44.6	↑2.6
4/20 15:00	47.1	↑2.5
4/20 15:10	49.6	↑2.5
4/20 15:20	51.8	↑2.2
4/20 15:30	54.0	↑2.2
4/20 15:40	55.9	↑1.9
4/20 15:50	57.7	↑1.8
4/20 16:00	59.3	↑1.6
4/20 16:10	60.8	↑1.5
4/20 16:20	62.0	↑1.2
4/20 16:30	63.0	↑1.0
4/20 16:40	63.8	↑0.8
4/20 16:50	64.5	↑0.7
4/20 17:00	64.9	↑0.4
4/20 17:10	65.0	↑0.1	満潮
4/20 17:20	65.0	0
4/20 17:30	64.8	↓-0.2
4/20 17:40	64.4	↓-0.4
4/20 17:50	63.8	↓-0.6
4/20 18:00	63.0	↓-0.8
4/20 18:10	62.1	↓-0.9
4/20 18:20	60.9	↓-1.2
4/20 18:30	59.7	↓-1.2
4/20 18:40	58.2	↓-1.5
4/20 18:50	56.7	↓-1.5
4/20 19:00	55.1	↓-1.6
4/20 19:10	53.3	↓-1.8
4/20 19:20	51.5	↓-1.8
4/20 19:30	49.6	↓-1.9
4/20 19:40	47.7	↓-1.9
4/20 19:50	45.7	↓-2.0
4/20 20:00	43.7	↓-2.0
4/20 20:10	41.7	↓-2.0
4/20 20:20	39.8	↓-1.9
4/20 20:30	37.9	↓-1.9
4/20 20:40	36.0	↓-1.9
4/20 20:50	34.2	↓-1.8
4/20 21:00	32.5	↓-1.7
4/20 21:10	30.9	↓-1.6
4/20 21:20	29.4	↓-1.5
4/20 21:30	28.1	↓-1.3
4/20 21:40	26.8	↓-1.3
4/20 21:50	25.7	↓-1.1
4/20 22:00	24.8	↓-0.9
4/20 22:10	24.1	↓-0.7
4/20 22:20	23.5	↓-0.6
4/20 22:30	23.0	↓-0.5
4/20 22:40	22.8	↓-0.2	干潮
4/20 22:50	22.7	↓-0.1
4/20 23:00	22.9	↑0.2
4/20 23:10	23.2	↑0.3
4/20 23:20	23.7	↑0.5
4/20 23:30	24.3	↑0.6
4/20 23:40	25.1	↑0.8
4/20 23:50	26.1	↑1.0