20 (月)	10:01	02:50	20:05	13:29
	14cm	0cm	23cm	12cm
小潮 出 06:29 入 17:19 出 10:31 入 00:34

江差／桧山（北海道）2040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	6.1	↓-0.6
2/20 00:10	5.4	↓-0.7	最大潮位差
2/20 00:20	4.8	↓-0.6
2/20 00:30	4.2	↓-0.6
2/20 00:40	3.7	↓-0.5
2/20 00:50	3.2	↓-0.5
2/20 01:00	2.7	↓-0.5
2/20 01:10	2.2	↓-0.5
2/20 01:20	1.8	↓-0.4
2/20 01:30	1.4	↓-0.4
2/20 01:40	1.1	↓-0.3
2/20 01:50	0.8	↓-0.3
2/20 02:00	0.5	↓-0.3
2/20 02:10	0.3	↓-0.2
2/20 02:20	0.2	↓-0.1
2/20 02:30	0.0	↓-0.2
2/20 02:40	0.0	0	干潮
2/20 02:50	0.0	0	干潮
2/20 03:00	0.0	0
2/20 03:10	0.1	0
2/20 03:20	0.2	↑0.1
2/20 03:30	0.3	↑0.1
2/20 03:40	0.5	↑0.2
2/20 03:50	0.8	↑0.3
2/20 04:00	1.0	↑0.2
2/20 04:10	1.4	↑0.4
2/20 04:20	1.7	↑0.3
2/20 04:30	2.1	↑0.4
2/20 04:40	2.5	↑0.4
2/20 04:50	2.9	↑0.4
2/20 05:00	3.4	↑0.5
2/20 05:10	3.8	↑0.4
2/20 05:20	4.3	↑0.5
2/20 05:30	4.8	↑0.5
2/20 05:40	5.3	↑0.5
2/20 05:50	5.8	↑0.5
2/20 06:00	6.3	↑0.5
2/20 06:10	6.8	↑0.5
2/20 06:20	7.4	↑0.6
2/20 06:30	7.9	↑0.5
2/20 06:40	8.4	↑0.5
2/20 06:50	8.8	↑0.4
2/20 07:00	9.3	↑0.5
2/20 07:10	9.8	↑0.5
2/20 07:20	10.2	↑0.4
2/20 07:30	10.6	↑0.4
2/20 07:40	11.0	↑0.4
2/20 07:50	11.4	↑0.4
2/20 08:00	11.7	↑0.3
2/20 08:10	12.0	↑0.3
2/20 08:20	12.3	↑0.3
2/20 08:30	12.6	↑0.3
2/20 08:40	12.8	↑0.2
2/20 08:50	13.0	↑0.2
2/20 09:00	13.2	↑0.2
2/20 09:10	13.3	↑0.1
2/20 09:20	13.5	↑0.2
2/20 09:30	13.5	0
2/20 09:40	13.6	↑0.1
2/20 09:50	13.6	0
2/20 10:00	13.7	↑0.1	満潮
2/20 10:10	13.6	↓-0.1
2/20 10:20	13.6	0
2/20 10:30	13.6	0
2/20 10:40	13.5	↓-0.1
2/20 10:50	13.4	↓-0.1
2/20 11:00	13.3	↓-0.1
2/20 11:10	13.2	↓-0.1
2/20 11:20	13.1	↓-0.1
2/20 11:30	13.0	↓-0.1
2/20 11:40	12.8	↓-0.2
2/20 11:50	12.7	↓-0.1
2/20 12:00	12.6	↓-0.1
2/20 12:10	12.5	↓-0.1
2/20 12:20	12.4	↓-0.1
2/20 12:30	12.3	↓-0.1
2/20 12:40	12.2	↓-0.1
2/20 12:50	12.1	↓-0.1
2/20 13:00	12.0	↓-0.1
2/20 13:10	12.0	0
2/20 13:20	12.0	0	干潮
2/20 13:30	11.9	↓-0.1
2/20 13:40	12.0	↑0.1
2/20 13:50	12.0	0
2/20 14:00	12.1	↑0.1
2/20 14:10	12.2	↑0.1
2/20 14:20	12.3	↑0.1
2/20 14:30	12.4	↑0.1
2/20 14:40	12.6	↑0.2
2/20 14:50	12.8	↑0.2
2/20 15:00	13.0	↑0.2
2/20 15:10	13.2	↑0.2
2/20 15:20	13.5	↑0.3
2/20 15:30	13.8	↑0.3
2/20 15:40	14.1	↑0.3
2/20 15:50	14.4	↑0.3
2/20 16:00	14.8	↑0.4
2/20 16:10	15.1	↑0.3
2/20 16:20	15.5	↑0.4
2/20 16:30	15.9	↑0.4
2/20 16:40	16.3	↑0.4
2/20 16:50	16.7	↑0.4
2/20 17:00	17.1	↑0.4
2/20 17:10	17.5	↑0.4
2/20 17:20	17.9	↑0.4
2/20 17:30	18.3	↑0.4
2/20 17:40	18.7	↑0.4
2/20 17:50	19.1	↑0.4
2/20 18:00	19.5	↑0.4
2/20 18:10	19.9	↑0.4
2/20 18:20	20.2	↑0.3
2/20 18:30	20.6	↑0.4
2/20 18:40	20.9	↑0.3
2/20 18:50	21.1	↑0.2
2/20 19:00	21.4	↑0.3
2/20 19:10	21.6	↑0.2
2/20 19:20	21.8	↑0.2
2/20 19:30	21.9	↑0.1
2/20 19:40	22.1	↑0.2
2/20 19:50	22.1	0
2/20 20:00	22.2	↑0.1	満潮
2/20 20:10	22.2	0
2/20 20:20	22.1	↓-0.1
2/20 20:30	22.0	↓-0.1
2/20 20:40	21.9	↓-0.1
2/20 20:50	21.7	↓-0.2
2/20 21:00	21.5	↓-0.2
2/20 21:10	21.3	↓-0.2
2/20 21:20	21.0	↓-0.3
2/20 21:30	20.6	↓-0.4
2/20 21:40	20.2	↓-0.4
2/20 21:50	19.8	↓-0.4
2/20 22:00	19.3	↓-0.5
2/20 22:10	18.8	↓-0.5
2/20 22:20	18.3	↓-0.5
2/20 22:30	17.7	↓-0.6
2/20 22:40	17.1	↓-0.6
2/20 22:50	16.5	↓-0.6
2/20 23:00	15.9	↓-0.6
2/20 23:10	15.2	↓-0.7	最大潮位差
2/20 23:20	14.5	↓-0.7	最大潮位差
2/20 23:30	13.8	↓-0.7	最大潮位差
2/20 23:40	13.1	↓-0.7	最大潮位差
2/20 23:50	12.4	↓-0.7	最大潮位差