20 (金)	10:53	04:50	23:30	17:18
	95cm	16cm	84cm	2cm
大潮 出 05:40 入 18:54 出 19:52 入 06:18

油谷（山口）2057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	81.8	↓-1.6
4/20 00:10	79.9	↓-1.9
4/20 00:20	77.8	↓-2.1
4/20 00:30	75.5	↓-2.3
4/20 00:40	73.0	↓-2.5
4/20 00:50	70.4	↓-2.6
4/20 01:00	67.6	↓-2.8
4/20 01:10	64.7	↓-2.9
4/20 01:20	61.7	↓-3.0
4/20 01:30	58.6	↓-3.1
4/20 01:40	55.5	↓-3.1
4/20 01:50	52.3	↓-3.2
4/20 02:00	49.1	↓-3.2
4/20 02:10	46.0	↓-3.1
4/20 02:20	42.9	↓-3.1
4/20 02:30	39.8	↓-3.1
4/20 02:40	36.9	↓-2.9
4/20 02:50	34.1	↓-2.8
4/20 03:00	31.4	↓-2.7
4/20 03:10	28.9	↓-2.5
4/20 03:20	26.5	↓-2.4
4/20 03:30	24.4	↓-2.1
4/20 03:40	22.4	↓-2.0
4/20 03:50	20.7	↓-1.7
4/20 04:00	19.3	↓-1.4
4/20 04:10	18.1	↓-1.2
4/20 04:20	17.1	↓-1.0
4/20 04:30	16.5	↓-0.6
4/20 04:40	16.1	↓-0.4	干潮
4/20 04:50	16.0	↓-0.1	干潮
4/20 05:00	16.2	↑0.2
4/20 05:10	16.6	↑0.4
4/20 05:20	17.4	↑0.8
4/20 05:30	18.4	↑1.0
4/20 05:40	19.7	↑1.3
4/20 05:50	21.3	↑1.6
4/20 06:00	23.1	↑1.8
4/20 06:10	25.1	↑2.0
4/20 06:20	27.4	↑2.3
4/20 06:30	29.9	↑2.5
4/20 06:40	32.5	↑2.6
4/20 06:50	35.3	↑2.8
4/20 07:00	38.3	↑3.0
4/20 07:10	41.4	↑3.1
4/20 07:20	44.7	↑3.3
4/20 07:30	47.9	↑3.2
4/20 07:40	51.3	↑3.4
4/20 07:50	54.7	↑3.4
4/20 08:00	58.1	↑3.4
4/20 08:10	61.4	↑3.3
4/20 08:20	64.8	↑3.4
4/20 08:30	68.0	↑3.2
4/20 08:40	71.2	↑3.2
4/20 08:50	74.2	↑3.0
4/20 09:00	77.1	↑2.9
4/20 09:10	79.9	↑2.8
4/20 09:20	82.4	↑2.5
4/20 09:30	84.8	↑2.4
4/20 09:40	86.9	↑2.1
4/20 09:50	88.8	↑1.9
4/20 10:00	90.5	↑1.7
4/20 10:10	91.8	↑1.3
4/20 10:20	93.0	↑1.2
4/20 10:30	93.8	↑0.8
4/20 10:40	94.3	↑0.5
4/20 10:50	94.5	↑0.2	満潮
4/20 11:00	94.4	↓-0.1
4/20 11:10	94.0	↓-0.4
4/20 11:20	93.4	↓-0.6
4/20 11:30	92.4	↓-1.0
4/20 11:40	91.1	↓-1.3
4/20 11:50	89.5	↓-1.6
4/20 12:00	87.7	↓-1.8
4/20 12:10	85.6	↓-2.1
4/20 12:20	83.2	↓-2.4
4/20 12:30	80.6	↓-2.6
4/20 12:40	77.8	↓-2.8
4/20 12:50	74.8	↓-3.0
4/20 13:00	71.6	↓-3.2
4/20 13:10	68.2	↓-3.4
4/20 13:20	64.8	↓-3.4
4/20 13:30	61.1	↓-3.7
4/20 13:40	57.5	↓-3.6
4/20 13:50	53.7	↓-3.8	最大潮位差
4/20 14:00	49.9	↓-3.8	最大潮位差
4/20 14:10	46.1	↓-3.8	最大潮位差
4/20 14:20	42.3	↓-3.8	最大潮位差
4/20 14:30	38.5	↓-3.8	最大潮位差
4/20 14:40	34.9	↓-3.6
4/20 14:50	31.3	↓-3.6
4/20 15:00	27.8	↓-3.5
4/20 15:10	24.4	↓-3.4
4/20 15:20	21.2	↓-3.2
4/20 15:30	18.2	↓-3.0
4/20 15:40	15.4	↓-2.8
4/20 15:50	12.8	↓-2.6
4/20 16:00	10.4	↓-2.4
4/20 16:10	8.3	↓-2.1
4/20 16:20	6.5	↓-1.8
4/20 16:30	4.9	↓-1.6
4/20 16:40	3.7	↓-1.2
4/20 16:50	2.7	↓-1.0
4/20 17:00	2.0	↓-0.7
4/20 17:10	1.6	↓-0.4	干潮
4/20 17:20	1.5	↓-0.1
4/20 17:30	1.8	↑0.3
4/20 17:40	2.3	↑0.5
4/20 17:50	3.1	↑0.8
4/20 18:00	4.3	↑1.2
4/20 18:10	5.7	↑1.4
4/20 18:20	7.3	↑1.6
4/20 18:30	9.3	↑2.0
4/20 18:40	11.4	↑2.1
4/20 18:50	13.8	↑2.4
4/20 19:00	16.4	↑2.6
4/20 19:10	19.2	↑2.8
4/20 19:20	22.2	↑3.0
4/20 19:30	25.2	↑3.0
4/20 19:40	28.5	↑3.3
4/20 19:50	31.8	↑3.3
4/20 20:00	35.2	↑3.4
4/20 20:10	38.6	↑3.4
4/20 20:20	42.1	↑3.5
4/20 20:30	45.5	↑3.4
4/20 20:40	49.0	↑3.5
4/20 20:50	52.4	↑3.4
4/20 21:00	55.7	↑3.3
4/20 21:10	58.9	↑3.2
4/20 21:20	62.0	↑3.1
4/20 21:30	65.0	↑3.0
4/20 21:40	67.8	↑2.8
4/20 21:50	70.4	↑2.6
4/20 22:00	72.8	↑2.4
4/20 22:10	75.0	↑2.2
4/20 22:20	77.0	↑2.0
4/20 22:30	78.7	↑1.7
4/20 22:40	80.2	↑1.5
4/20 22:50	81.4	↑1.2
4/20 23:00	82.4	↑1.0
4/20 23:10	83.1	↑0.7
4/20 23:20	83.5	↑0.4	満潮
4/20 23:30	83.6	↑0.1	満潮
4/20 23:40	83.4	↓-0.2
4/20 23:50	83.0	↓-0.4