20 (木)	03:26	08:18	13:49	20:57
	105cm	67cm	121cm	1cm
大潮 出 06:22 入 17:15 出 04:59 入 15:45

八戸（青森）2031年02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
2/20 00:00	60.1	↑3.8
2/20 00:10	63.9	↑3.8
2/20 00:20	67.6	↑3.7
2/20 00:30	71.2	↑3.6
2/20 00:40	74.7	↑3.5
2/20 00:50	78.1	↑3.4
2/20 01:00	81.3	↑3.2
2/20 01:10	84.3	↑3.0
2/20 01:20	87.2	↑2.9
2/20 01:30	89.9	↑2.7
2/20 01:40	92.3	↑2.4
2/20 01:50	94.6	↑2.3
2/20 02:00	96.6	↑2.0
2/20 02:10	98.5	↑1.9
2/20 02:20	100.1	↑1.6
2/20 02:30	101.4	↑1.3
2/20 02:40	102.6	↑1.2
2/20 02:50	103.5	↑0.9
2/20 03:00	104.1	↑0.6
2/20 03:10	104.6	↑0.5
2/20 03:20	104.8	↑0.2	満潮
2/20 03:30	104.8	0
2/20 03:40	104.6	↓-0.2
2/20 03:50	104.1	↓-0.5
2/20 04:00	103.5	↓-0.6
2/20 04:10	102.6	↓-0.9
2/20 04:20	101.6	↓-1.0
2/20 04:30	100.4	↓-1.2
2/20 04:40	99.0	↓-1.4
2/20 04:50	97.4	↓-1.6
2/20 05:00	95.7	↓-1.7
2/20 05:10	93.9	↓-1.8
2/20 05:20	92.0	↓-1.9
2/20 05:30	90.0	↓-2.0
2/20 05:40	88.0	↓-2.0
2/20 05:50	86.0	↓-2.0
2/20 06:00	83.9	↓-2.1
2/20 06:10	81.9	↓-2.0
2/20 06:20	79.9	↓-2.0
2/20 06:30	78.0	↓-1.9
2/20 06:40	76.2	↓-1.8
2/20 06:50	74.5	↓-1.7
2/20 07:00	73.0	↓-1.5
2/20 07:10	71.6	↓-1.4
2/20 07:20	70.3	↓-1.3
2/20 07:30	69.3	↓-1.0
2/20 07:40	68.4	↓-0.9
2/20 07:50	67.7	↓-0.7
2/20 08:00	67.3	↓-0.4
2/20 08:10	67.0	↓-0.3	干潮
2/20 08:20	67.0	0
2/20 08:30	67.1	↑0.1
2/20 08:40	67.5	↑0.4
2/20 08:50	68.1	↑0.6
2/20 09:00	68.8	↑0.7
2/20 09:10	69.8	↑1.0
2/20 09:20	71.0	↑1.2
2/20 09:30	72.3	↑1.3
2/20 09:40	73.8	↑1.5
2/20 09:50	75.5	↑1.7
2/20 10:00	77.4	↑1.9
2/20 10:10	79.4	↑2.0
2/20 10:20	81.5	↑2.1
2/20 10:30	83.7	↑2.2
2/20 10:40	86.1	↑2.4
2/20 10:50	88.5	↑2.4
2/20 11:00	91.0	↑2.5
2/20 11:10	93.5	↑2.5
2/20 11:20	96.1	↑2.6
2/20 11:30	98.6	↑2.5
2/20 11:40	101.1	↑2.5
2/20 11:50	103.6	↑2.5
2/20 12:00	106.0	↑2.4
2/20 12:10	108.3	↑2.3
2/20 12:20	110.4	↑2.1
2/20 12:30	112.4	↑2.0
2/20 12:40	114.2	↑1.8
2/20 12:50	115.8	↑1.6
2/20 13:00	117.2	↑1.4
2/20 13:10	118.4	↑1.2
2/20 13:20	119.3	↑0.9
2/20 13:30	119.9	↑0.6
2/20 13:40	120.3	↑0.4	満潮
2/20 13:50	120.4	↑0.1
2/20 14:00	120.2	↓-0.2
2/20 14:10	119.7	↓-0.5
2/20 14:20	118.9	↓-0.8
2/20 14:30	117.9	↓-1.0
2/20 14:40	116.5	↓-1.4
2/20 14:50	114.9	↓-1.6
2/20 15:00	113.0	↓-1.9
2/20 15:10	110.9	↓-2.1
2/20 15:20	108.5	↓-2.4
2/20 15:30	105.8	↓-2.7
2/20 15:40	103.0	↓-2.8
2/20 15:50	99.9	↓-3.1
2/20 16:00	96.6	↓-3.3
2/20 16:10	93.0	↓-3.6
2/20 16:20	89.3	↓-3.7
2/20 16:30	85.5	↓-3.8
2/20 16:40	81.4	↓-4.1
2/20 16:50	77.3	↓-4.1
2/20 17:00	73.0	↓-4.3
2/20 17:10	68.6	↓-4.4
2/20 17:20	64.2	↓-4.4
2/20 17:30	59.7	↓-4.5	最大潮位差
2/20 17:40	55.2	↓-4.5	最大潮位差
2/20 17:50	50.7	↓-4.5	最大潮位差
2/20 18:00	46.2	↓-4.5	最大潮位差
2/20 18:10	41.8	↓-4.4
2/20 18:20	37.5	↓-4.3
2/20 18:30	33.3	↓-4.2
2/20 18:40	29.3	↓-4.0
2/20 18:50	25.4	↓-3.9
2/20 19:00	21.8	↓-3.6
2/20 19:10	18.4	↓-3.4
2/20 19:20	15.2	↓-3.2
2/20 19:30	12.3	↓-2.9
2/20 19:40	9.7	↓-2.6
2/20 19:50	7.4	↓-2.3
2/20 20:00	5.4	↓-2.0
2/20 20:10	3.7	↓-1.7
2/20 20:20	2.4	↓-1.3
2/20 20:30	1.3	↓-1.1
2/20 20:40	0.6	↓-0.7
2/20 20:50	0.3	↓-0.3	干潮
2/20 21:00	0.3	0
2/20 21:10	0.6	↑0.3
2/20 21:20	1.2	↑0.6
2/20 21:30	2.1	↑0.9
2/20 21:40	3.4	↑1.3
2/20 21:50	4.9	↑1.5
2/20 22:00	6.8	↑1.9
2/20 22:10	8.9	↑2.1
2/20 22:20	11.4	↑2.5
2/20 22:30	14.0	↑2.6
2/20 22:40	17.0	↑3.0
2/20 22:50	20.2	↑3.2
2/20 23:00	23.6	↑3.4
2/20 23:10	27.2	↑3.6
2/20 23:20	30.9	↑3.7
2/20 23:30	34.9	↑4.0
2/20 23:40	39.0	↑4.1
2/20 23:50	43.1	↑4.1