20 (火)	03:22	09:54	16:25	22:08
	122cm	0cm	122cm	42cm
大潮 出 04:49 入 18:19 出 19:18 入 05:30 潮干狩り ◎ 07:43～12:08

八戸（青森）2038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	64.2	↑3.7
4/20 00:10	68.0	↑3.8
4/20 00:20	71.9	↑3.9
4/20 00:30	75.9	↑4.0
4/20 00:40	79.9	↑4.0
4/20 00:50	83.9	↑4.0
4/20 01:00	87.9	↑4.0
4/20 01:10	91.7	↑3.8
4/20 01:20	95.5	↑3.8
4/20 01:30	99.1	↑3.6
4/20 01:40	102.6	↑3.5
4/20 01:50	105.8	↑3.2
4/20 02:00	108.8	↑3.0
4/20 02:10	111.6	↑2.8
4/20 02:20	114.0	↑2.4
4/20 02:30	116.1	↑2.1
4/20 02:40	117.8	↑1.7
4/20 02:50	119.2	↑1.4
4/20 03:00	120.2	↑1.0
4/20 03:10	120.8	↑0.6
4/20 03:20	121.0	↑0.2	満潮
4/20 03:30	120.9	↓-0.1
4/20 03:40	120.3	↓-0.6
4/20 03:50	119.4	↓-0.9
4/20 04:00	118.1	↓-1.3
4/20 04:10	116.4	↓-1.7
4/20 04:20	114.5	↓-1.9
4/20 04:30	112.1	↓-2.4
4/20 04:40	109.5	↓-2.6
4/20 04:50	106.6	↓-2.9
4/20 05:00	103.4	↓-3.2
4/20 05:10	99.9	↓-3.5
4/20 05:20	96.2	↓-3.7
4/20 05:30	92.3	↓-3.9
4/20 05:40	88.2	↓-4.1
4/20 05:50	83.9	↓-4.3
4/20 06:00	79.4	↓-4.5
4/20 06:10	74.9	↓-4.5
4/20 06:20	70.2	↓-4.7
4/20 06:30	65.4	↓-4.8
4/20 06:40	60.6	↓-4.8
4/20 06:50	55.8	↓-4.8
4/20 07:00	50.9	↓-4.9
4/20 07:10	46.1	↓-4.8
4/20 07:20	41.4	↓-4.7
4/20 07:30	36.7	↓-4.7
4/20 07:40	32.3	↓-4.4
4/20 07:50	27.9	↓-4.4
4/20 08:00	23.8	↓-4.1
4/20 08:10	19.9	↓-3.9
4/20 08:20	16.3	↓-3.6
4/20 08:30	13.0	↓-3.3
4/20 08:40	10.0	↓-3.0
4/20 08:50	7.4	↓-2.6
4/20 09:00	5.1	↓-2.3
4/20 09:10	3.2	↓-1.9
4/20 09:20	1.6	↓-1.6
4/20 09:30	0.5	↓-1.1
4/20 09:40	-0.2	↓-0.7
4/20 09:50	-0.5	↓-0.3	干潮
4/20 10:00	-0.4	↑0.1
4/20 10:10	0.1	↑0.5
4/20 10:20	0.9	↑0.8
4/20 10:30	2.2	↑1.3
4/20 10:40	3.8	↑1.6
4/20 10:50	5.7	↑1.9
4/20 11:00	8.0	↑2.3
4/20 11:10	10.7	↑2.7
4/20 11:20	13.6	↑2.9
4/20 11:30	16.8	↑3.2
4/20 11:40	20.3	↑3.5
4/20 11:50	24.0	↑3.7
4/20 12:00	28.0	↑4.0
4/20 12:10	32.2	↑4.2
4/20 12:20	36.6	↑4.4
4/20 12:30	41.1	↑4.5
4/20 12:40	45.8	↑4.7
4/20 12:50	50.6	↑4.8
4/20 13:00	55.5	↑4.9
4/20 13:10	60.5	↑5.0	最大潮位差
4/20 13:20	65.4	↑4.9
4/20 13:30	70.4	↑5.0	最大潮位差
4/20 13:40	75.2	↑4.8
4/20 13:50	80.0	↑4.8
4/20 14:00	84.7	↑4.7
4/20 14:10	89.2	↑4.5
4/20 14:20	93.5	↑4.3
4/20 14:30	97.6	↑4.1
4/20 14:40	101.4	↑3.8
4/20 14:50	104.9	↑3.5
4/20 15:00	108.1	↑3.2
4/20 15:10	111.0	↑2.9
4/20 15:20	113.5	↑2.5
4/20 15:30	115.7	↑2.2
4/20 15:40	117.5	↑1.8
4/20 15:50	118.9	↑1.4
4/20 16:00	120.0	↑1.1
4/20 16:10	120.7	↑0.7
4/20 16:20	121.0	↑0.3	満潮
4/20 16:30	121.0	0
4/20 16:40	120.7	↓-0.3
4/20 16:50	120.0	↓-0.7
4/20 17:00	119.0	↓-1.0
4/20 17:10	117.6	↓-1.4
4/20 17:20	116.1	↓-1.5
4/20 17:30	114.2	↓-1.9
4/20 17:40	112.1	↓-2.1
4/20 17:50	109.7	↓-2.4
4/20 18:00	107.1	↓-2.6
4/20 18:10	104.3	↓-2.8
4/20 18:20	101.4	↓-2.9
4/20 18:30	98.2	↓-3.2
4/20 18:40	94.9	↓-3.3
4/20 18:50	91.5	↓-3.4
4/20 19:00	88.0	↓-3.5
4/20 19:10	84.4	↓-3.6
4/20 19:20	80.8	↓-3.6
4/20 19:30	77.1	↓-3.7
4/20 19:40	73.5	↓-3.6
4/20 19:50	69.9	↓-3.6
4/20 20:00	66.4	↓-3.5
4/20 20:10	63.0	↓-3.4
4/20 20:20	59.8	↓-3.2
4/20 20:30	56.7	↓-3.1
4/20 20:40	53.9	↓-2.8
4/20 20:50	51.3	↓-2.6
4/20 21:00	48.9	↓-2.4
4/20 21:10	46.9	↓-2.0
4/20 21:20	45.1	↓-1.8
4/20 21:30	43.7	↓-1.4
4/20 21:40	42.6	↓-1.1
4/20 21:50	41.8	↓-0.8
4/20 22:00	41.4	↓-0.4	干潮
4/20 22:10	41.4	0
4/20 22:20	41.6	↑0.2
4/20 22:30	42.2	↑0.6
4/20 22:40	43.1	↑0.9
4/20 22:50	44.4	↑1.3
4/20 23:00	45.9	↑1.5
4/20 23:10	47.7	↑1.8
4/20 23:20	49.8	↑2.1
4/20 23:30	52.2	↑2.4
4/20 23:40	54.8	↑2.6
4/20 23:50	57.6	↑2.8