20 (土)	04:40	10:01	15:59	22:53
	17cm	3cm	23cm	-8cm
中潮 出 04:53 入 18:24 出 21:17 入 05:53 潮干狩り ◎ 07:51～12:03

小泊（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	-4.1	↑0.8
4/20 00:10	-3.2	↑0.9
4/20 00:20	-2.3	↑0.9
4/20 00:30	-1.4	↑0.9
4/20 00:40	-0.4	↑1.0
4/20 00:50	0.6	↑1.0
4/20 01:00	1.6	↑1.0
4/20 01:10	2.7	↑1.1
4/20 01:20	3.7	↑1.0
4/20 01:30	4.7	↑1.0
4/20 01:40	5.8	↑1.1
4/20 01:50	6.8	↑1.0
4/20 02:00	7.8	↑1.0
4/20 02:10	8.8	↑1.0
4/20 02:20	9.7	↑0.9
4/20 02:30	10.6	↑0.9
4/20 02:40	11.4	↑0.8
4/20 02:50	12.2	↑0.8
4/20 03:00	13.0	↑0.8
4/20 03:10	13.7	↑0.7
4/20 03:20	14.3	↑0.6
4/20 03:30	14.8	↑0.5
4/20 03:40	15.3	↑0.5
4/20 03:50	15.7	↑0.4
4/20 04:00	16.1	↑0.4
4/20 04:10	16.3	↑0.2
4/20 04:20	16.5	↑0.2
4/20 04:30	16.6	↑0.1	満潮
4/20 04:40	16.7	↑0.1	満潮
4/20 04:50	16.6	↓-0.1
4/20 05:00	16.5	↓-0.1
4/20 05:10	16.3	↓-0.2
4/20 05:20	16.1	↓-0.2
4/20 05:30	15.8	↓-0.3
4/20 05:40	15.4	↓-0.4
4/20 05:50	14.9	↓-0.5
4/20 06:00	14.5	↓-0.4
4/20 06:10	13.9	↓-0.6
4/20 06:20	13.4	↓-0.5
4/20 06:30	12.7	↓-0.7
4/20 06:40	12.1	↓-0.6
4/20 06:50	11.4	↓-0.7
4/20 07:00	10.8	↓-0.6
4/20 07:10	10.1	↓-0.7
4/20 07:20	9.4	↓-0.7
4/20 07:30	8.7	↓-0.7
4/20 07:40	8.0	↓-0.7
4/20 07:50	7.3	↓-0.7
4/20 08:00	6.7	↓-0.6
4/20 08:10	6.0	↓-0.7
4/20 08:20	5.5	↓-0.5
4/20 08:30	4.9	↓-0.6
4/20 08:40	4.4	↓-0.5
4/20 08:50	3.9	↓-0.5
4/20 09:00	3.5	↓-0.4
4/20 09:10	3.1	↓-0.4
4/20 09:20	2.8	↓-0.3
4/20 09:30	2.6	↓-0.2
4/20 09:40	2.4	↓-0.2
4/20 09:50	2.3	↓-0.1
4/20 10:00	2.3	0	干潮
4/20 10:10	2.3	0
4/20 10:20	2.5	↑0.2
4/20 10:30	2.6	↑0.1
4/20 10:40	2.9	↑0.3
4/20 10:50	3.2	↑0.3
4/20 11:00	3.6	↑0.4
4/20 11:10	4.0	↑0.4
4/20 11:20	4.5	↑0.5
4/20 11:30	5.1	↑0.6
4/20 11:40	5.7	↑0.6
4/20 11:50	6.4	↑0.7
4/20 12:00	7.1	↑0.7
4/20 12:10	7.9	↑0.8
4/20 12:20	8.6	↑0.7
4/20 12:30	9.5	↑0.9
4/20 12:40	10.3	↑0.8
4/20 12:50	11.2	↑0.9
4/20 13:00	12.0	↑0.8
4/20 13:10	12.9	↑0.9
4/20 13:20	13.8	↑0.9
4/20 13:30	14.6	↑0.8
4/20 13:40	15.5	↑0.9
4/20 13:50	16.3	↑0.8
4/20 14:00	17.1	↑0.8
4/20 14:10	17.8	↑0.7
4/20 14:20	18.5	↑0.7
4/20 14:30	19.2	↑0.7
4/20 14:40	19.8	↑0.6
4/20 14:50	20.3	↑0.5
4/20 15:00	20.8	↑0.5
4/20 15:10	21.2	↑0.4
4/20 15:20	21.6	↑0.4
4/20 15:30	21.9	↑0.3
4/20 15:40	22.1	↑0.2
4/20 15:50	22.2	↑0.1	満潮
4/20 16:00	22.2	0
4/20 16:10	22.1	↓-0.1
4/20 16:20	22.0	↓-0.1
4/20 16:30	21.8	↓-0.2
4/20 16:40	21.5	↓-0.3
4/20 16:50	21.1	↓-0.4
4/20 17:00	20.6	↓-0.5
4/20 17:10	20.0	↓-0.6
4/20 17:20	19.4	↓-0.6
4/20 17:30	18.7	↓-0.7
4/20 17:40	17.9	↓-0.8
4/20 17:50	17.0	↓-0.9
4/20 18:00	16.1	↓-0.9
4/20 18:10	15.2	↓-0.9
4/20 18:20	14.2	↓-1.0
4/20 18:30	13.1	↓-1.1
4/20 18:40	12.0	↓-1.1
4/20 18:50	10.9	↓-1.1
4/20 19:00	9.7	↓-1.2	最大潮位差
4/20 19:10	8.5	↓-1.2	最大潮位差
4/20 19:20	7.3	↓-1.2	最大潮位差
4/20 19:30	6.1	↓-1.2	最大潮位差
4/20 19:40	4.9	↓-1.2	最大潮位差
4/20 19:50	3.8	↓-1.1
4/20 20:00	2.6	↓-1.2	最大潮位差
4/20 20:10	1.4	↓-1.2	最大潮位差
4/20 20:20	0.3	↓-1.1
4/20 20:30	-0.7	↓-1.0
4/20 20:40	-1.8	↓-1.1
4/20 20:50	-2.8	↓-1.0
4/20 21:00	-3.7	↓-0.9
4/20 21:10	-4.5	↓-0.8
4/20 21:20	-5.3	↓-0.8
4/20 21:30	-6.1	↓-0.8
4/20 21:40	-6.7	↓-0.6
4/20 21:50	-7.3	↓-0.6
4/20 22:00	-7.8	↓-0.5
4/20 22:10	-8.2	↓-0.4
4/20 22:20	-8.5	↓-0.3
4/20 22:30	-8.8	↓-0.3
4/20 22:40	-8.9	↓-0.1
4/20 22:50	-9.0	↓-0.1	干潮
4/20 23:00	-9.0	0
4/20 23:10	-8.8	↑0.2
4/20 23:20	-8.6	↑0.2
4/20 23:30	-8.4	↑0.2
4/20 23:40	-8.0	↑0.4
4/20 23:50	-7.6	↑0.4