20 (土)	03:42	10:42	17:37	22:44
	129cm	-17cm	113cm	64cm
中潮 出 04:50 入 18:19 出 21:09 入 05:51 潮干狩り ◎ 08:00～13:32

八戸（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	73.9	↑2.6
4/20 00:10	76.7	↑2.8
4/20 00:20	79.7	↑3.0
4/20 00:30	82.7	↑3.0
4/20 00:40	85.9	↑3.2
4/20 00:50	89.1	↑3.2
4/20 01:00	92.4	↑3.3
4/20 01:10	95.7	↑3.3
4/20 01:20	99.1	↑3.4
4/20 01:30	102.4	↑3.3
4/20 01:40	105.6	↑3.2
4/20 01:50	108.7	↑3.1
4/20 02:00	111.8	↑3.1
4/20 02:10	114.7	↑2.9
4/20 02:20	117.4	↑2.7
4/20 02:30	119.9	↑2.5
4/20 02:40	122.1	↑2.2
4/20 02:50	124.1	↑2.0
4/20 03:00	125.8	↑1.7
4/20 03:10	127.1	↑1.3
4/20 03:20	128.1	↑1.0
4/20 03:30	128.7	↑0.6
4/20 03:40	129.0	↑0.3	満潮
4/20 03:50	128.8	↓-0.2
4/20 04:00	128.2	↓-0.6
4/20 04:10	127.3	↓-0.9
4/20 04:20	125.9	↓-1.4
4/20 04:30	124.1	↓-1.8
4/20 04:40	122.0	↓-2.1
4/20 04:50	119.4	↓-2.6
4/20 05:00	116.6	↓-2.8
4/20 05:10	113.4	↓-3.2
4/20 05:20	109.9	↓-3.5
4/20 05:30	106.1	↓-3.8
4/20 05:40	102.0	↓-4.1
4/20 05:50	97.7	↓-4.3
4/20 06:00	93.2	↓-4.5
4/20 06:10	88.5	↓-4.7
4/20 06:20	83.7	↓-4.8
4/20 06:30	78.6	↓-5.1
4/20 06:40	73.5	↓-5.1
4/20 06:50	68.3	↓-5.2
4/20 07:00	62.9	↓-5.4	最大潮位差
4/20 07:10	57.6	↓-5.3
4/20 07:20	52.2	↓-5.4	最大潮位差
4/20 07:30	46.8	↓-5.4	最大潮位差
4/20 07:40	41.4	↓-5.4	最大潮位差
4/20 07:50	36.1	↓-5.3
4/20 08:00	30.9	↓-5.2
4/20 08:10	25.7	↓-5.2
4/20 08:20	20.8	↓-4.9
4/20 08:30	16.0	↓-4.8
4/20 08:40	11.4	↓-4.6
4/20 08:50	7.1	↓-4.3
4/20 09:00	3.0	↓-4.1
4/20 09:10	-0.7	↓-3.7
4/20 09:20	-4.2	↓-3.5
4/20 09:30	-7.2	↓-3.0
4/20 09:40	-9.9	↓-2.7
4/20 09:50	-12.3	↓-2.4
4/20 10:00	-14.2	↓-1.9
4/20 10:10	-15.7	↓-1.5
4/20 10:20	-16.7	↓-1.0
4/20 10:30	-17.4	↓-0.7
4/20 10:40	-17.6	↓-0.2	干潮
4/20 10:50	-17.4	↑0.2
4/20 11:00	-16.8	↑0.6
4/20 11:10	-15.9	↑0.9
4/20 11:20	-14.5	↑1.4
4/20 11:30	-12.8	↑1.7
4/20 11:40	-10.7	↑2.1
4/20 11:50	-8.2	↑2.5
4/20 12:00	-5.5	↑2.7
4/20 12:10	-2.5	↑3.0
4/20 12:20	0.9	↑3.4
4/20 12:30	4.4	↑3.5
4/20 12:40	8.3	↑3.9
4/20 12:50	12.3	↑4.0
4/20 13:00	16.6	↑4.3
4/20 13:10	21.0	↑4.4
4/20 13:20	25.6	↑4.6
4/20 13:30	30.4	↑4.8
4/20 13:40	35.3	↑4.9
4/20 13:50	40.2	↑4.9
4/20 14:00	45.2	↑5.0
4/20 14:10	50.2	↑5.0
4/20 14:20	55.3	↑5.1
4/20 14:30	60.3	↑5.0
4/20 14:40	65.2	↑4.9
4/20 14:50	70.0	↑4.8
4/20 15:00	74.7	↑4.7
4/20 15:10	79.1	↑4.4
4/20 15:20	83.4	↑4.3
4/20 15:30	87.5	↑4.1
4/20 15:40	91.3	↑3.8
4/20 15:50	94.8	↑3.5
4/20 16:00	98.0	↑3.2
4/20 16:10	100.9	↑2.9
4/20 16:20	103.5	↑2.6
4/20 16:30	105.8	↑2.3
4/20 16:40	107.7	↑1.9
4/20 16:50	109.3	↑1.6
4/20 17:00	110.5	↑1.2
4/20 17:10	111.4	↑0.9
4/20 17:20	112.0	↑0.6
4/20 17:30	112.4	↑0.4	満潮
4/20 17:40	112.4	0
4/20 17:50	112.1	↓-0.3
4/20 18:00	111.6	↓-0.5
4/20 18:10	110.9	↓-0.7
4/20 18:20	109.9	↓-1.0
4/20 18:30	108.7	↓-1.2
4/20 18:40	107.3	↓-1.4
4/20 18:50	105.8	↓-1.5
4/20 19:00	104.0	↓-1.8
4/20 19:10	102.1	↓-1.9
4/20 19:20	100.1	↓-2.0
4/20 19:30	98.0	↓-2.1
4/20 19:40	95.7	↓-2.3
4/20 19:50	93.4	↓-2.3
4/20 20:00	90.9	↓-2.5
4/20 20:10	88.5	↓-2.4
4/20 20:20	86.0	↓-2.5
4/20 20:30	83.5	↓-2.5
4/20 20:40	81.1	↓-2.4
4/20 20:50	78.7	↓-2.4
4/20 21:00	76.3	↓-2.4
4/20 21:10	74.1	↓-2.2
4/20 21:20	72.1	↓-2.0
4/20 21:30	70.2	↓-1.9
4/20 21:40	68.5	↓-1.7
4/20 21:50	67.0	↓-1.5
4/20 22:00	65.7	↓-1.3
4/20 22:10	64.7	↓-1.0
4/20 22:20	63.9	↓-0.8
4/20 22:30	63.4	↓-0.5
4/20 22:40	63.2	↓-0.2	干潮
4/20 22:50	63.3	↑0.1
4/20 23:00	63.6	↑0.3
4/20 23:10	64.2	↑0.6
4/20 23:20	65.1	↑0.9
4/20 23:30	66.2	↑1.1
4/20 23:40	67.6	↑1.4
4/20 23:50	69.2	↑1.6