20 (日)	09:15	03:10	21:44	15:32
	85cm	19cm	84cm	11cm
大潮 出 05:41 入 18:53 出 04:29 入 17:33 潮干狩り ◎ 13:53～17:09

油谷（山口）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	52.0	↓-2.7
4/20 00:10	49.3	↓-2.7
4/20 00:20	46.6	↓-2.7
4/20 00:30	44.0	↓-2.6
4/20 00:40	41.4	↓-2.6
4/20 00:50	38.8	↓-2.6
4/20 01:00	36.4	↓-2.4
4/20 01:10	34.0	↓-2.4
4/20 01:20	31.8	↓-2.2
4/20 01:30	29.7	↓-2.1
4/20 01:40	27.7	↓-2.0
4/20 01:50	25.9	↓-1.8
4/20 02:00	24.3	↓-1.6
4/20 02:10	22.9	↓-1.4
4/20 02:20	21.7	↓-1.2
4/20 02:30	20.7	↓-1.0
4/20 02:40	19.9	↓-0.8
4/20 02:50	19.4	↓-0.5
4/20 03:00	19.0	↓-0.4	干潮
4/20 03:10	19.0	0	干潮
4/20 03:20	19.1	↑0.1
4/20 03:30	19.5	↑0.4
4/20 03:40	20.1	↑0.6
4/20 03:50	20.9	↑0.8
4/20 04:00	22.0	↑1.1
4/20 04:10	23.2	↑1.2
4/20 04:20	24.7	↑1.5
4/20 04:30	26.4	↑1.7
4/20 04:40	28.3	↑1.9
4/20 04:50	30.3	↑2.0
4/20 05:00	32.5	↑2.2
4/20 05:10	34.8	↑2.3
4/20 05:20	37.3	↑2.5
4/20 05:30	39.8	↑2.5
4/20 05:40	42.5	↑2.7
4/20 05:50	45.2	↑2.7
4/20 06:00	47.9	↑2.7
4/20 06:10	50.7	↑2.8
4/20 06:20	53.5	↑2.8
4/20 06:30	56.3	↑2.8
4/20 06:40	59.0	↑2.7
4/20 06:50	61.7	↑2.7
4/20 07:00	64.3	↑2.6
4/20 07:10	66.9	↑2.6
4/20 07:20	69.3	↑2.4
4/20 07:30	71.6	↑2.3
4/20 07:40	73.7	↑2.1
4/20 07:50	75.7	↑2.0
4/20 08:00	77.5	↑1.8
4/20 08:10	79.1	↑1.6
4/20 08:20	80.5	↑1.4
4/20 08:30	81.6	↑1.1
4/20 08:40	82.6	↑1.0
4/20 08:50	83.3	↑0.7
4/20 09:00	83.8	↑0.5
4/20 09:10	84.0	↑0.2	満潮
4/20 09:20	84.0	0
4/20 09:30	83.7	↓-0.3
4/20 09:40	83.2	↓-0.5
4/20 09:50	82.4	↓-0.8
4/20 10:00	81.4	↓-1.0
4/20 10:10	80.2	↓-1.2
4/20 10:20	78.8	↓-1.4
4/20 10:30	77.1	↓-1.7
4/20 10:40	75.2	↓-1.9
4/20 10:50	73.1	↓-2.1
4/20 11:00	70.9	↓-2.2
4/20 11:10	68.4	↓-2.5
4/20 11:20	65.9	↓-2.5
4/20 11:30	63.2	↓-2.7
4/20 11:40	60.4	↓-2.8
4/20 11:50	57.5	↓-2.9
4/20 12:00	54.5	↓-3.0
4/20 12:10	51.5	↓-3.0
4/20 12:20	48.4	↓-3.1	最大潮位差
4/20 12:30	45.4	↓-3.0
4/20 12:40	42.3	↓-3.1	最大潮位差
4/20 12:50	39.3	↓-3.0
4/20 13:00	36.4	↓-2.9
4/20 13:10	33.5	↓-2.9
4/20 13:20	30.7	↓-2.8
4/20 13:30	28.0	↓-2.7
4/20 13:40	25.5	↓-2.5
4/20 13:50	23.1	↓-2.4
4/20 14:00	20.9	↓-2.2
4/20 14:10	18.9	↓-2.0
4/20 14:20	17.1	↓-1.8
4/20 14:30	15.5	↓-1.6
4/20 14:40	14.1	↓-1.4
4/20 14:50	12.9	↓-1.2
4/20 15:00	12.0	↓-0.9
4/20 15:10	11.4	↓-0.6
4/20 15:20	11.0	↓-0.4
4/20 15:30	10.8	↓-0.2	干潮
4/20 15:40	11.0	↑0.2
4/20 15:50	11.3	↑0.3
4/20 16:00	11.9	↑0.6
4/20 16:10	12.8	↑0.9
4/20 16:20	13.9	↑1.1
4/20 16:30	15.3	↑1.4
4/20 16:40	16.9	↑1.6
4/20 16:50	18.7	↑1.8
4/20 17:00	20.7	↑2.0
4/20 17:10	22.9	↑2.2
4/20 17:20	25.2	↑2.3
4/20 17:30	27.7	↑2.5
4/20 17:40	30.4	↑2.7
4/20 17:50	33.1	↑2.7
4/20 18:00	36.0	↑2.9
4/20 18:10	38.9	↑2.9
4/20 18:20	41.9	↑3.0
4/20 18:30	45.0	↑3.1	最大潮位差
4/20 18:40	48.0	↑3.0
4/20 18:50	51.1	↑3.1	最大潮位差
4/20 19:00	54.1	↑3.0
4/20 19:10	57.0	↑2.9
4/20 19:20	59.9	↑2.9
4/20 19:30	62.7	↑2.8
4/20 19:40	65.4	↑2.7
4/20 19:50	67.9	↑2.5
4/20 20:00	70.3	↑2.4
4/20 20:10	72.6	↑2.3
4/20 20:20	74.6	↑2.0
4/20 20:30	76.5	↑1.9
4/20 20:40	78.1	↑1.6
4/20 20:50	79.5	↑1.4
4/20 21:00	80.7	↑1.2
4/20 21:10	81.7	↑1.0
4/20 21:20	82.4	↑0.7
4/20 21:30	82.8	↑0.4
4/20 21:40	83.0	↑0.2	満潮
4/20 21:50	83.0	0
4/20 22:00	82.7	↓-0.3
4/20 22:10	82.1	↓-0.6
4/20 22:20	81.3	↓-0.8
4/20 22:30	80.3	↓-1.0
4/20 22:40	79.0	↓-1.3
4/20 22:50	77.6	↓-1.4
4/20 23:00	75.9	↓-1.7
4/20 23:10	74.0	↓-1.9
4/20 23:20	71.9	↓-2.1
4/20 23:30	69.7	↓-2.2
4/20 23:40	67.3	↓-2.4
4/20 23:50	64.8	↓-2.5