20 (木)	00:45	06:56	12:54	19:13
	45cm	14cm	45cm	13cm
若潮 出 04:48 入 18:21 出 02:27 入 13:58 潮干狩り ○ 05:59～07:51

大湊（青森）2028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	43.5	↑0.5
4/20 00:10	43.9	↑0.4
4/20 00:20	44.2	↑0.3
4/20 00:30	44.4	↑0.2
4/20 00:40	44.5	↑0.1	満潮
4/20 00:50	44.4	↓-0.1
4/20 01:00	44.3	↓-0.1
4/20 01:10	44.1	↓-0.2
4/20 01:20	43.8	↓-0.3
4/20 01:30	43.4	↓-0.4
4/20 01:40	42.9	↓-0.5
4/20 01:50	42.3	↓-0.6
4/20 02:00	41.6	↓-0.7
4/20 02:10	40.8	↓-0.8
4/20 02:20	39.9	↓-0.9
4/20 02:30	39.0	↓-0.9
4/20 02:40	38.0	↓-1.0
4/20 02:50	36.9	↓-1.1
4/20 03:00	35.8	↓-1.1
4/20 03:10	34.6	↓-1.2
4/20 03:20	33.4	↓-1.2
4/20 03:30	32.2	↓-1.2
4/20 03:40	30.9	↓-1.3
4/20 03:50	29.6	↓-1.3
4/20 04:00	28.3	↓-1.3
4/20 04:10	27.0	↓-1.3
4/20 04:20	25.7	↓-1.3
4/20 04:30	24.5	↓-1.2
4/20 04:40	23.2	↓-1.3
4/20 04:50	22.0	↓-1.2
4/20 05:00	20.9	↓-1.1
4/20 05:10	19.8	↓-1.1
4/20 05:20	18.7	↓-1.1
4/20 05:30	17.8	↓-0.9
4/20 05:40	16.9	↓-0.9
4/20 05:50	16.1	↓-0.8
4/20 06:00	15.4	↓-0.7
4/20 06:10	14.8	↓-0.6
4/20 06:20	14.3	↓-0.5
4/20 06:30	14.0	↓-0.3
4/20 06:40	13.7	↓-0.3
4/20 06:50	13.6	↓-0.1	干潮
4/20 07:00	13.6	0
4/20 07:10	13.7	↑0.1
4/20 07:20	14.0	↑0.3
4/20 07:30	14.4	↑0.4
4/20 07:40	14.9	↑0.5
4/20 07:50	15.5	↑0.6
4/20 08:00	16.2	↑0.7
4/20 08:10	17.0	↑0.8
4/20 08:20	17.9	↑0.9
4/20 08:30	18.9	↑1.0
4/20 08:40	19.9	↑1.0
4/20 08:50	21.1	↑1.2
4/20 09:00	22.3	↑1.2
4/20 09:10	23.5	↑1.2
4/20 09:20	24.8	↑1.3
4/20 09:30	26.1	↑1.3
4/20 09:40	27.4	↑1.3
4/20 09:50	28.8	↑1.4
4/20 10:00	30.1	↑1.3
4/20 10:10	31.4	↑1.3
4/20 10:20	32.7	↑1.3
4/20 10:30	34.0	↑1.3
4/20 10:40	35.2	↑1.2
4/20 10:50	36.4	↑1.2
4/20 11:00	37.5	↑1.1
4/20 11:10	38.6	↑1.1
4/20 11:20	39.6	↑1.0
4/20 11:30	40.5	↑0.9
4/20 11:40	41.3	↑0.8
4/20 11:50	42.0	↑0.7
4/20 12:00	42.7	↑0.7
4/20 12:10	43.2	↑0.5
4/20 12:20	43.6	↑0.4
4/20 12:30	43.9	↑0.3
4/20 12:40	44.1	↑0.2
4/20 12:50	44.2	↑0.1	満潮
4/20 13:00	44.2	0
4/20 13:10	44.1	↓-0.1
4/20 13:20	43.8	↓-0.3
4/20 13:30	43.5	↓-0.3
4/20 13:40	43.0	↓-0.5
4/20 13:50	42.4	↓-0.6
4/20 14:00	41.8	↓-0.6
4/20 14:10	41.1	↓-0.7
4/20 14:20	40.2	↓-0.9
4/20 14:30	39.3	↓-0.9
4/20 14:40	38.4	↓-0.9
4/20 14:50	37.3	↓-1.1
4/20 15:00	36.2	↓-1.1
4/20 15:10	35.1	↓-1.1
4/20 15:20	33.9	↓-1.2
4/20 15:30	32.7	↓-1.2
4/20 15:40	31.5	↓-1.2
4/20 15:50	30.2	↓-1.3
4/20 16:00	28.9	↓-1.3
4/20 16:10	27.7	↓-1.2
4/20 16:20	26.4	↓-1.3
4/20 16:30	25.1	↓-1.3
4/20 16:40	23.9	↓-1.2
4/20 16:50	22.7	↓-1.2
4/20 17:00	21.5	↓-1.2
4/20 17:10	20.3	↓-1.2
4/20 17:20	19.3	↓-1.0
4/20 17:30	18.2	↓-1.1
4/20 17:40	17.2	↓-1.0
4/20 17:50	16.3	↓-0.9
4/20 18:00	15.5	↓-0.8
4/20 18:10	14.8	↓-0.7
4/20 18:20	14.1	↓-0.7
4/20 18:30	13.6	↓-0.5
4/20 18:40	13.2	↓-0.4
4/20 18:50	12.9	↓-0.3
4/20 19:00	12.6	↓-0.3
4/20 19:10	12.6	0	干潮
4/20 19:20	12.6	0
4/20 19:30	12.8	↑0.2
4/20 19:40	13.1	↑0.3
4/20 19:50	13.5	↑0.4
4/20 20:00	14.0	↑0.5
4/20 20:10	14.6	↑0.6
4/20 20:20	15.4	↑0.8
4/20 20:30	16.2	↑0.8
4/20 20:40	17.2	↑1.0
4/20 20:50	18.2	↑1.0
4/20 21:00	19.3	↑1.1
4/20 21:10	20.5	↑1.2
4/20 21:20	21.8	↑1.3
4/20 21:30	23.1	↑1.3
4/20 21:40	24.5	↑1.4
4/20 21:50	25.9	↑1.4
4/20 22:00	27.3	↑1.4
4/20 22:10	28.8	↑1.5	最大潮位差
4/20 22:20	30.2	↑1.4
4/20 22:30	31.7	↑1.5	最大潮位差
4/20 22:40	33.1	↑1.4
4/20 22:50	34.5	↑1.4
4/20 23:00	35.9	↑1.4
4/20 23:10	37.3	↑1.4
4/20 23:20	38.6	↑1.3
4/20 23:30	39.9	↑1.3
4/20 23:40	41.0	↑1.1
4/20 23:50	42.1	↑1.1