20 (日)	01:52	08:23	14:46	20:28
	110cm	19cm	109cm	46cm
大潮 出 04:49 入 18:21 出 03:41 入 16:56 潮干狩り ○ 06:53～09:56

関根浜（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	94.2	↑2.7
4/20 00:10	96.7	↑2.5
4/20 00:20	99.1	↑2.4
4/20 00:30	101.3	↑2.2
4/20 00:40	103.2	↑1.9
4/20 00:50	105.0	↑1.8
4/20 01:00	106.4	↑1.4
4/20 01:10	107.6	↑1.2
4/20 01:20	108.6	↑1.0
4/20 01:30	109.3	↑0.7
4/20 01:40	109.7	↑0.4
4/20 01:50	109.8	↑0.1	満潮
4/20 02:00	109.7	↓-0.1
4/20 02:10	109.4	↓-0.3
4/20 02:20	108.8	↓-0.6
4/20 02:30	107.9	↓-0.9
4/20 02:40	106.9	↓-1.0
4/20 02:50	105.5	↓-1.4
4/20 03:00	104.0	↓-1.5
4/20 03:10	102.3	↓-1.7
4/20 03:20	100.3	↓-2.0
4/20 03:30	98.1	↓-2.2
4/20 03:40	95.7	↓-2.4
4/20 03:50	93.1	↓-2.6
4/20 04:00	90.3	↓-2.8
4/20 04:10	87.3	↓-3.0
4/20 04:20	84.1	↓-3.2
4/20 04:30	80.8	↓-3.3
4/20 04:40	77.3	↓-3.5
4/20 04:50	73.7	↓-3.6
4/20 05:00	70.0	↓-3.7
4/20 05:10	66.2	↓-3.8
4/20 05:20	62.3	↓-3.9	最大潮位差
4/20 05:30	58.5	↓-3.8
4/20 05:40	54.7	↓-3.8
4/20 05:50	50.9	↓-3.8
4/20 06:00	47.2	↓-3.7
4/20 06:10	43.6	↓-3.6
4/20 06:20	40.2	↓-3.4
4/20 06:30	37.0	↓-3.2
4/20 06:40	34.0	↓-3.0
4/20 06:50	31.2	↓-2.8
4/20 07:00	28.7	↓-2.5
4/20 07:10	26.5	↓-2.2
4/20 07:20	24.5	↓-2.0
4/20 07:30	22.8	↓-1.7
4/20 07:40	21.5	↓-1.3
4/20 07:50	20.4	↓-1.1
4/20 08:00	19.6	↓-0.8
4/20 08:10	19.1	↓-0.5
4/20 08:20	18.9	↓-0.2	干潮
4/20 08:30	19.0	↑0.1
4/20 08:40	19.4	↑0.4
4/20 08:50	20.0	↑0.6
4/20 09:00	21.0	↑1.0
4/20 09:10	22.1	↑1.1
4/20 09:20	23.6	↑1.5
4/20 09:30	25.3	↑1.7
4/20 09:40	27.2	↑1.9
4/20 09:50	29.4	↑2.2
4/20 10:00	31.8	↑2.4
4/20 10:10	34.5	↑2.7
4/20 10:20	37.3	↑2.8
4/20 10:30	40.4	↑3.1
4/20 10:40	43.7	↑3.3
4/20 10:50	47.1	↑3.4
4/20 11:00	50.7	↑3.6
4/20 11:10	54.4	↑3.7
4/20 11:20	58.2	↑3.8
4/20 11:30	62.0	↑3.8
4/20 11:40	65.9	↑3.9	最大潮位差
4/20 11:50	69.8	↑3.9	最大潮位差
4/20 12:00	73.6	↑3.8
4/20 12:10	77.4	↑3.8
4/20 12:20	81.0	↑3.6
4/20 12:30	84.5	↑3.5
4/20 12:40	87.9	↑3.4
4/20 12:50	91.0	↑3.1
4/20 13:00	93.9	↑2.9
4/20 13:10	96.5	↑2.6
4/20 13:20	98.9	↑2.4
4/20 13:30	101.0	↑2.1
4/20 13:40	102.9	↑1.9
4/20 13:50	104.4	↑1.5
4/20 14:00	105.7	↑1.3
4/20 14:10	106.7	↑1.0
4/20 14:20	107.5	↑0.8
4/20 14:30	108.0	↑0.5
4/20 14:40	108.2	↑0.2	満潮
4/20 14:50	108.2	0
4/20 15:00	107.9	↓-0.3
4/20 15:10	107.5	↓-0.4
4/20 15:20	106.8	↓-0.7
4/20 15:30	105.8	↓-1.0
4/20 15:40	104.7	↓-1.1
4/20 15:50	103.4	↓-1.3
4/20 16:00	101.8	↓-1.6
4/20 16:10	100.1	↓-1.7
4/20 16:20	98.1	↓-2.0
4/20 16:30	96.0	↓-2.1
4/20 16:40	93.7	↓-2.3
4/20 16:50	91.3	↓-2.4
4/20 17:00	88.6	↓-2.7
4/20 17:10	85.9	↓-2.7
4/20 17:20	83.1	↓-2.8
4/20 17:30	80.1	↓-3.0
4/20 17:40	77.2	↓-2.9
4/20 17:50	74.1	↓-3.1
4/20 18:00	71.2	↓-2.9
4/20 18:10	68.2	↓-3.0
4/20 18:20	65.3	↓-2.9
4/20 18:30	62.6	↓-2.7
4/20 18:40	60.0	↓-2.6
4/20 18:50	57.5	↓-2.5
4/20 19:00	55.3	↓-2.2
4/20 19:10	53.2	↓-2.1
4/20 19:20	51.4	↓-1.8
4/20 19:30	49.8	↓-1.6
4/20 19:40	48.5	↓-1.3
4/20 19:50	47.4	↓-1.1
4/20 20:00	46.6	↓-0.8
4/20 20:10	46.1	↓-0.5
4/20 20:20	45.8	↓-0.3	干潮
4/20 20:30	45.7	↓-0.1
4/20 20:40	45.9	↑0.2
4/20 20:50	46.3	↑0.4
4/20 21:00	47.0	↑0.7
4/20 21:10	47.8	↑0.8
4/20 21:20	48.8	↑1.0
4/20 21:30	50.1	↑1.3
4/20 21:40	51.5	↑1.4
4/20 21:50	53.1	↑1.6
4/20 22:00	54.9	↑1.8
4/20 22:10	56.9	↑2.0
4/20 22:20	59.0	↑2.1
4/20 22:30	61.3	↑2.3
4/20 22:40	63.8	↑2.5
4/20 22:50	66.4	↑2.6
4/20 23:00	69.2	↑2.8
4/20 23:10	72.1	↑2.9
4/20 23:20	75.1	↑3.0
4/20 23:30	78.1	↑3.0
4/20 23:40	81.3	↑3.2
4/20 23:50	84.4	↑3.1