20 (土)	03:47	10:48	17:38	22:39
	135cm	-6cm	118cm	70cm
中潮 出 04:49 入 18:20 出 21:12 入 05:49 潮干狩り ◎ 08:18～13:21

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	80.4	↑2.7
4/20 00:10	83.2	↑2.8
4/20 00:20	86.1	↑2.9
4/20 00:30	89.2	↑3.1
4/20 00:40	92.3	↑3.1
4/20 00:50	95.5	↑3.2
4/20 01:00	98.7	↑3.2
4/20 01:10	102.0	↑3.3
4/20 01:20	105.2	↑3.2
4/20 01:30	108.4	↑3.2
4/20 01:40	111.6	↑3.2
4/20 01:50	114.6	↑3.0
4/20 02:00	117.5	↑2.9
4/20 02:10	120.2	↑2.7
4/20 02:20	122.8	↑2.6
4/20 02:30	125.1	↑2.3
4/20 02:40	127.3	↑2.2
4/20 02:50	129.2	↑1.9
4/20 03:00	130.8	↑1.6
4/20 03:10	132.1	↑1.3
4/20 03:20	133.1	↑1.0
4/20 03:30	133.9	↑0.8
4/20 03:40	134.2	↑0.3	満潮
4/20 03:50	134.3	↑0.1
4/20 04:00	134.0	↓-0.3
4/20 04:10	133.3	↓-0.7
4/20 04:20	132.3	↓-1.0
4/20 04:30	130.9	↓-1.4
4/20 04:40	129.1	↓-1.8
4/20 04:50	127.1	↓-2.0
4/20 05:00	124.6	↓-2.5
4/20 05:10	121.8	↓-2.8
4/20 05:20	118.8	↓-3.0
4/20 05:30	115.4	↓-3.4
4/20 05:40	111.7	↓-3.7
4/20 05:50	107.7	↓-4.0
4/20 06:00	103.5	↓-4.2
4/20 06:10	99.0	↓-4.5
4/20 06:20	94.3	↓-4.7
4/20 06:30	89.5	↓-4.8
4/20 06:40	84.5	↓-5.0
4/20 06:50	79.3	↓-5.2
4/20 07:00	74.1	↓-5.2
4/20 07:10	68.8	↓-5.3
4/20 07:20	63.5	↓-5.3
4/20 07:30	58.2	↓-5.3
4/20 07:40	52.8	↓-5.4	最大潮位差
4/20 07:50	47.6	↓-5.2
4/20 08:00	42.4	↓-5.2
4/20 08:10	37.4	↓-5.0
4/20 08:20	32.5	↓-4.9
4/20 08:30	27.7	↓-4.8
4/20 08:40	23.2	↓-4.5
4/20 08:50	19.0	↓-4.2
4/20 09:00	14.9	↓-4.1
4/20 09:10	11.2	↓-3.7
4/20 09:20	7.7	↓-3.5
4/20 09:30	4.6	↓-3.1
4/20 09:40	1.9	↓-2.7
4/20 09:50	-0.6	↓-2.5
4/20 10:00	-2.6	↓-2.0
4/20 10:10	-4.3	↓-1.7
4/20 10:20	-5.5	↓-1.2
4/20 10:30	-6.4	↓-0.9
4/20 10:40	-6.9	↓-0.5	干潮
4/20 10:50	-6.9	0
4/20 11:00	-6.6	↑0.3
4/20 11:10	-5.9	↑0.7
4/20 11:20	-4.8	↑1.1
4/20 11:30	-3.3	↑1.5
4/20 11:40	-1.4	↑1.9
4/20 11:50	0.8	↑2.2
4/20 12:00	3.4	↑2.6
4/20 12:10	6.3	↑2.9
4/20 12:20	9.5	↑3.2
4/20 12:30	13.0	↑3.5
4/20 12:40	16.7	↑3.7
4/20 12:50	20.7	↑4.0
4/20 13:00	24.9	↑4.2
4/20 13:10	29.2	↑4.3
4/20 13:20	33.7	↑4.5
4/20 13:30	38.3	↑4.6
4/20 13:40	43.1	↑4.8
4/20 13:50	47.8	↑4.7
4/20 14:00	52.7	↑4.9
4/20 14:10	57.5	↑4.8
4/20 14:20	62.3	↑4.8
4/20 14:30	67.0	↑4.7
4/20 14:40	71.7	↑4.7
4/20 14:50	76.2	↑4.5
4/20 15:00	80.6	↑4.4
4/20 15:10	84.8	↑4.2
4/20 15:20	88.9	↑4.1
4/20 15:30	92.7	↑3.8
4/20 15:40	96.3	↑3.6
4/20 15:50	99.7	↑3.4
4/20 16:00	102.8	↑3.1
4/20 16:10	105.6	↑2.8
4/20 16:20	108.2	↑2.6
4/20 16:30	110.4	↑2.2
4/20 16:40	112.3	↑1.9
4/20 16:50	113.9	↑1.6
4/20 17:00	115.2	↑1.3
4/20 17:10	116.2	↑1.0
4/20 17:20	116.9	↑0.7
4/20 17:30	117.2	↑0.3	満潮
4/20 17:40	117.3	↑0.1
4/20 17:50	117.0	↓-0.3
4/20 18:00	116.5	↓-0.5
4/20 18:10	115.7	↓-0.8
4/20 18:20	114.7	↓-1.0
4/20 18:30	113.4	↓-1.3
4/20 18:40	111.9	↓-1.5
4/20 18:50	110.2	↓-1.7
4/20 19:00	108.3	↓-1.9
4/20 19:10	106.2	↓-2.1
4/20 19:20	104.0	↓-2.2
4/20 19:30	101.7	↓-2.3
4/20 19:40	99.4	↓-2.3
4/20 19:50	96.9	↓-2.5
4/20 20:00	94.5	↓-2.4
4/20 20:10	92.0	↓-2.5
4/20 20:20	89.5	↓-2.5
4/20 20:30	87.1	↓-2.4
4/20 20:40	84.8	↓-2.3
4/20 20:50	82.5	↓-2.3
4/20 21:00	80.3	↓-2.2
4/20 21:10	78.3	↓-2.0
4/20 21:20	76.5	↓-1.8
4/20 21:30	74.8	↓-1.7
4/20 21:40	73.3	↓-1.5
4/20 21:50	72.0	↓-1.3
4/20 22:00	70.9	↓-1.1
4/20 22:10	70.1	↓-0.8
4/20 22:20	69.5	↓-0.6
4/20 22:30	69.2	↓-0.3	干潮
4/20 22:40	69.1	↓-0.1
4/20 22:50	69.3	↑0.2
4/20 23:00	69.7	↑0.4
4/20 23:10	70.4	↑0.7
4/20 23:20	71.4	↑1.0
4/20 23:30	72.6	↑1.2
4/20 23:40	74.0	↑1.4
4/20 23:50	75.7	↑1.7