20 (日)	01:57	08:29	14:54	20:33
	112cm	16cm	109cm	48cm
大潮 出 04:50 入 18:18 出 03:41 入 16:54 潮干狩り ◎ 06:47～10:12

八戸（青森）2031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	94.3	↑2.6
4/20 00:10	96.9	↑2.6
4/20 00:20	99.2	↑2.3
4/20 00:30	101.4	↑2.2
4/20 00:40	103.5	↑2.1
4/20 00:50	105.3	↑1.8
4/20 01:00	106.8	↑1.5
4/20 01:10	108.2	↑1.4
4/20 01:20	109.3	↑1.1
4/20 01:30	110.1	↑0.8
4/20 01:40	110.7	↑0.6
4/20 01:50	111.0	↑0.3	満潮
4/20 02:00	111.0	0
4/20 02:10	110.8	↓-0.2
4/20 02:20	110.3	↓-0.5
4/20 02:30	109.5	↓-0.8
4/20 02:40	108.5	↓-1.0
4/20 02:50	107.2	↓-1.3
4/20 03:00	105.6	↓-1.6
4/20 03:10	103.8	↓-1.8
4/20 03:20	101.8	↓-2.0
4/20 03:30	99.5	↓-2.3
4/20 03:40	97.0	↓-2.5
4/20 03:50	94.2	↓-2.8
4/20 04:00	91.3	↓-2.9
4/20 04:10	88.2	↓-3.1
4/20 04:20	84.9	↓-3.3
4/20 04:30	81.4	↓-3.5
4/20 04:40	77.8	↓-3.6
4/20 04:50	74.1	↓-3.7
4/20 05:00	70.3	↓-3.8
4/20 05:10	66.5	↓-3.8
4/20 05:20	62.6	↓-3.9
4/20 05:30	58.6	↓-4.0	最大潮位差
4/20 05:40	54.7	↓-3.9
4/20 05:50	50.9	↓-3.8
4/20 06:00	47.1	↓-3.8
4/20 06:10	43.4	↓-3.7
4/20 06:20	39.8	↓-3.6
4/20 06:30	36.4	↓-3.4
4/20 06:40	33.2	↓-3.2
4/20 06:50	30.2	↓-3.0
4/20 07:00	27.4	↓-2.8
4/20 07:10	24.9	↓-2.5
4/20 07:20	22.7	↓-2.2
4/20 07:30	20.7	↓-2.0
4/20 07:40	19.0	↓-1.7
4/20 07:50	17.6	↓-1.4
4/20 08:00	16.6	↓-1.0
4/20 08:10	15.8	↓-0.8
4/20 08:20	15.4	↓-0.4	干潮
4/20 08:30	15.3	↓-0.1
4/20 08:40	15.5	↑0.2
4/20 08:50	16.0	↑0.5
4/20 09:00	16.9	↑0.9
4/20 09:10	18.0	↑1.1
4/20 09:20	19.4	↑1.4
4/20 09:30	21.1	↑1.7
4/20 09:40	23.1	↑2.0
4/20 09:50	25.4	↑2.3
4/20 10:00	27.9	↑2.5
4/20 10:10	30.6	↑2.7
4/20 10:20	33.6	↑3.0
4/20 10:30	36.7	↑3.1
4/20 10:40	40.1	↑3.4
4/20 10:50	43.6	↑3.5
4/20 11:00	47.2	↑3.6
4/20 11:10	51.0	↑3.8
4/20 11:20	54.8	↑3.8
4/20 11:30	58.7	↑3.9
4/20 11:40	62.6	↑3.9
4/20 11:50	66.5	↑3.9
4/20 12:00	70.4	↑3.9
4/20 12:10	74.2	↑3.8
4/20 12:20	77.9	↑3.7
4/20 12:30	81.6	↑3.7
4/20 12:40	85.0	↑3.4
4/20 12:50	88.3	↑3.3
4/20 13:00	91.4	↑3.1
4/20 13:10	94.3	↑2.9
4/20 13:20	96.9	↑2.6
4/20 13:30	99.4	↑2.5
4/20 13:40	101.5	↑2.1
4/20 13:50	103.4	↑1.9
4/20 14:00	105.0	↑1.6
4/20 14:10	106.3	↑1.3
4/20 14:20	107.4	↑1.1
4/20 14:30	108.2	↑0.8
4/20 14:40	108.6	↑0.4
4/20 14:50	108.9	↑0.3	満潮
4/20 15:00	108.8	↓-0.1
4/20 15:10	108.5	↓-0.3
4/20 15:20	107.9	↓-0.6
4/20 15:30	107.1	↓-0.8
4/20 15:40	106.1	↓-1.0
4/20 15:50	104.8	↓-1.3
4/20 16:00	103.2	↓-1.6
4/20 16:10	101.5	↓-1.7
4/20 16:20	99.6	↓-1.9
4/20 16:30	97.5	↓-2.1
4/20 16:40	95.2	↓-2.3
4/20 16:50	92.8	↓-2.4
4/20 17:00	90.2	↓-2.6
4/20 17:10	87.5	↓-2.7
4/20 17:20	84.8	↓-2.7
4/20 17:30	81.9	↓-2.9
4/20 17:40	79.1	↓-2.8
4/20 17:50	76.2	↓-2.9
4/20 18:00	73.3	↓-2.9
4/20 18:10	70.5	↓-2.8
4/20 18:20	67.7	↓-2.8
4/20 18:30	65.0	↓-2.7
4/20 18:40	62.4	↓-2.6
4/20 18:50	60.0	↓-2.4
4/20 19:00	57.7	↓-2.3
4/20 19:10	55.6	↓-2.1
4/20 19:20	53.8	↓-1.8
4/20 19:30	52.1	↓-1.7
4/20 19:40	50.7	↓-1.4
4/20 19:50	49.5	↓-1.2
4/20 20:00	48.5	↓-1.0
4/20 20:10	47.8	↓-0.7
4/20 20:20	47.4	↓-0.4
4/20 20:30	47.2	↓-0.2	干潮
4/20 20:40	47.3	↑0.1
4/20 20:50	47.7	↑0.4
4/20 21:00	48.3	↑0.6
4/20 21:10	49.1	↑0.8
4/20 21:20	50.1	↑1.0
4/20 21:30	51.4	↑1.3
4/20 21:40	53.0	↑1.6
4/20 21:50	54.7	↑1.7
4/20 22:00	56.6	↑1.9
4/20 22:10	58.7	↑2.1
4/20 22:20	61.0	↑2.3
4/20 22:30	63.5	↑2.5
4/20 22:40	66.1	↑2.6
4/20 22:50	68.8	↑2.7
4/20 23:00	71.7	↑2.9
4/20 23:10	74.7	↑3.0
4/20 23:20	77.7	↑3.0
4/20 23:30	80.8	↑3.1
4/20 23:40	83.9	↑3.1
4/20 23:50	87.0	↑3.1