20 (日)	03:51	10:34	17:12	22:38
	131cm	2cm	123cm	58cm
大潮 出 04:48 入 18:21 出 05:53 入 19:57 潮干狩り ◎ 08:20～12:48

泊（青森）2053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	70.4	↑2.9
4/20 00:10	73.6	↑3.2
4/20 00:20	76.8	↑3.2
4/20 00:30	80.2	↑3.4
4/20 00:40	83.7	↑3.5
4/20 00:50	87.2	↑3.5
4/20 01:00	90.7	↑3.5
4/20 01:10	94.3	↑3.6
4/20 01:20	97.9	↑3.6
4/20 01:30	101.4	↑3.5
4/20 01:40	104.8	↑3.4
4/20 01:50	108.1	↑3.3
4/20 02:00	111.3	↑3.2
4/20 02:10	114.3	↑3.0
4/20 02:20	117.1	↑2.8
4/20 02:30	119.7	↑2.6
4/20 02:40	122.0	↑2.3
4/20 02:50	124.1	↑2.1
4/20 03:00	125.9	↑1.8
4/20 03:10	127.4	↑1.5
4/20 03:20	128.6	↑1.2
4/20 03:30	129.5	↑0.9
4/20 03:40	130.0	↑0.5
4/20 03:50	130.2	↑0.2	満潮
4/20 04:00	130.0	↓-0.2
4/20 04:10	129.5	↓-0.5
4/20 04:20	128.5	↓-1.0
4/20 04:30	127.3	↓-1.2
4/20 04:40	125.6	↓-1.7
4/20 04:50	123.6	↓-2.0
4/20 05:00	121.3	↓-2.3
4/20 05:10	118.6	↓-2.7
4/20 05:20	115.7	↓-2.9
4/20 05:30	112.4	↓-3.3
4/20 05:40	108.8	↓-3.6
4/20 05:50	104.9	↓-3.9
4/20 06:00	100.9	↓-4.0
4/20 06:10	96.5	↓-4.4
4/20 06:20	92.0	↓-4.5
4/20 06:30	87.4	↓-4.6
4/20 06:40	82.6	↓-4.8
4/20 06:50	77.6	↓-5.0
4/20 07:00	72.6	↓-5.0
4/20 07:10	67.6	↓-5.0
4/20 07:20	62.5	↓-5.1	最大潮位差
4/20 07:30	57.5	↓-5.0
4/20 07:40	52.5	↓-5.0
4/20 07:50	47.6	↓-4.9
4/20 08:00	42.8	↓-4.8
4/20 08:10	38.1	↓-4.7
4/20 08:20	33.6	↓-4.5
4/20 08:30	29.3	↓-4.3
4/20 08:40	25.2	↓-4.1
4/20 08:50	21.4	↓-3.8
4/20 09:00	17.8	↓-3.6
4/20 09:10	14.6	↓-3.2
4/20 09:20	11.7	↓-2.9
4/20 09:30	9.1	↓-2.6
4/20 09:40	6.9	↓-2.2
4/20 09:50	5.0	↓-1.9
4/20 10:00	3.5	↓-1.5
4/20 10:10	2.4	↓-1.1
4/20 10:20	1.7	↓-0.7
4/20 10:30	1.4	↓-0.3	干潮
4/20 10:40	1.5	↑0.1
4/20 10:50	2.0	↑0.5
4/20 11:00	2.9	↑0.9
4/20 11:10	4.2	↑1.3
4/20 11:20	5.8	↑1.6
4/20 11:30	7.8	↑2.0
4/20 11:40	10.2	↑2.4
4/20 11:50	12.9	↑2.7
4/20 12:00	15.9	↑3.0
4/20 12:10	19.3	↑3.4
4/20 12:20	22.9	↑3.6
4/20 12:30	26.7	↑3.8
4/20 12:40	30.8	↑4.1
4/20 12:50	35.0	↑4.2
4/20 13:00	39.5	↑4.5
4/20 13:10	44.0	↑4.5
4/20 13:20	48.7	↑4.7
4/20 13:30	53.5	↑4.8
4/20 13:40	58.3	↑4.8
4/20 13:50	63.1	↑4.8
4/20 14:00	67.9	↑4.8
4/20 14:10	72.6	↑4.7
4/20 14:20	77.3	↑4.7
4/20 14:30	81.9	↑4.6
4/20 14:40	86.3	↑4.4
4/20 14:50	90.6	↑4.3
4/20 15:00	94.7	↑4.1
4/20 15:10	98.6	↑3.9
4/20 15:20	102.2	↑3.6
4/20 15:30	105.6	↑3.4
4/20 15:40	108.7	↑3.1
4/20 15:50	111.6	↑2.9
4/20 16:00	114.1	↑2.5
4/20 16:10	116.3	↑2.2
4/20 16:20	118.2	↑1.9
4/20 16:30	119.7	↑1.5
4/20 16:40	120.9	↑1.2
4/20 16:50	121.8	↑0.9
4/20 17:00	122.3	↑0.5
4/20 17:10	122.5	↑0.2	満潮
4/20 17:20	122.4	↓-0.1
4/20 17:30	121.9	↓-0.5
4/20 17:40	121.1	↓-0.8
4/20 17:50	120.0	↓-1.1
4/20 18:00	118.7	↓-1.3
4/20 18:10	117.0	↓-1.7
4/20 18:20	115.1	↓-1.9
4/20 18:30	113.0	↓-2.1
4/20 18:40	110.7	↓-2.3
4/20 18:50	108.1	↓-2.6
4/20 19:00	105.4	↓-2.7
4/20 19:10	102.6	↓-2.8
4/20 19:20	99.7	↓-2.9
4/20 19:30	96.6	↓-3.1
4/20 19:40	93.6	↓-3.0
4/20 19:50	90.5	↓-3.1
4/20 20:00	87.3	↓-3.2
4/20 20:10	84.3	↓-3.0
4/20 20:20	81.2	↓-3.1
4/20 20:30	78.3	↓-2.9
4/20 20:40	75.4	↓-2.9
4/20 20:50	72.7	↓-2.7
4/20 21:00	70.2	↓-2.5
4/20 21:10	67.8	↓-2.4
4/20 21:20	65.6	↓-2.2
4/20 21:30	63.7	↓-1.9
4/20 21:40	62.0	↓-1.7
4/20 21:50	60.5	↓-1.5
4/20 22:00	59.3	↓-1.2
4/20 22:10	58.3	↓-1.0
4/20 22:20	57.7	↓-0.6
4/20 22:30	57.3	↓-0.4	干潮
4/20 22:40	57.3	0
4/20 22:50	57.5	↑0.2
4/20 23:00	58.0	↑0.5
4/20 23:10	58.9	↑0.9
4/20 23:20	60.0	↑1.1
4/20 23:30	61.4	↑1.4
4/20 23:40	63.0	↑1.6
4/20 23:50	64.9	↑1.9