20 (火)	09:47	02:30	19:29	12:17
	13cm	-1cm	25cm	12cm
小潮 出 06:28 入 17:19 出 00:43 入 09:47

江差／桧山（北海道）2063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	3.7	↓-0.7
2/20 00:10	3.0	↓-0.7
2/20 00:20	2.4	↓-0.6
2/20 00:30	1.8	↓-0.6
2/20 00:40	1.2	↓-0.6
2/20 00:50	0.7	↓-0.5
2/20 01:00	0.2	↓-0.5
2/20 01:10	-0.2	↓-0.4
2/20 01:20	-0.6	↓-0.4
2/20 01:30	-0.9	↓-0.3
2/20 01:40	-1.2	↓-0.3
2/20 01:50	-1.4	↓-0.2
2/20 02:00	-1.6	↓-0.2
2/20 02:10	-1.7	↓-0.1
2/20 02:20	-1.8	↓-0.1	干潮
2/20 02:30	-1.8	0	干潮
2/20 02:40	-1.8	0
2/20 02:50	-1.7	↑0.1
2/20 03:00	-1.6	↑0.1
2/20 03:10	-1.4	↑0.2
2/20 03:20	-1.2	↑0.2
2/20 03:30	-0.9	↑0.3
2/20 03:40	-0.7	↑0.2
2/20 03:50	-0.3	↑0.4
2/20 04:00	0.0	↑0.3
2/20 04:10	0.4	0
2/20 04:20	0.9	↑0.5
2/20 04:30	1.3	↑0.4
2/20 04:40	1.8	↑0.5
2/20 04:50	2.3	↑0.5
2/20 05:00	2.8	↑0.5
2/20 05:10	3.3	↑0.5
2/20 05:20	3.8	↑0.5
2/20 05:30	4.4	↑0.6
2/20 05:40	4.9	↑0.5
2/20 05:50	5.4	↑0.5
2/20 06:00	5.9	↑0.5
2/20 06:10	6.5	↑0.6
2/20 06:20	7.0	↑0.5
2/20 06:30	7.5	↑0.5
2/20 06:40	7.9	↑0.4
2/20 06:50	8.4	↑0.5
2/20 07:00	8.8	↑0.4
2/20 07:10	9.3	↑0.5
2/20 07:20	9.6	↑0.3
2/20 07:30	10.0	↑0.4
2/20 07:40	10.4	↑0.4
2/20 07:50	10.7	↑0.3
2/20 08:00	10.9	↑0.2
2/20 08:10	11.2	↑0.3
2/20 08:20	11.4	↑0.2
2/20 08:30	11.6	↑0.2
2/20 08:40	11.8	↑0.2
2/20 08:50	11.9	↑0.1
2/20 09:00	12.1	↑0.2
2/20 09:10	12.1	0
2/20 09:20	12.2	↑0.1
2/20 09:30	12.3	↑0.1
2/20 09:40	12.3	0	満潮
2/20 09:50	12.3	0
2/20 10:00	12.3	0
2/20 10:10	12.2	↓-0.1
2/20 10:20	12.2	0
2/20 10:30	12.1	↓-0.1
2/20 10:40	12.1	0
2/20 10:50	12.0	↓-0.1
2/20 11:00	11.9	↓-0.1
2/20 11:10	11.9	0
2/20 11:20	11.8	↓-0.1
2/20 11:30	11.7	↓-0.1
2/20 11:40	11.7	0
2/20 11:50	11.6	↓-0.1
2/20 12:00	11.6	0
2/20 12:10	11.6	0	干潮
2/20 12:20	11.6	0
2/20 12:30	11.6	0
2/20 12:40	11.6	0
2/20 12:50	11.7	↑0.1
2/20 13:00	11.8	↑0.1
2/20 13:10	11.9	↑0.1
2/20 13:20	12.0	↑0.1
2/20 13:30	12.2	↑0.2
2/20 13:40	12.4	↑0.2
2/20 13:50	12.6	↑0.2
2/20 14:00	12.8	↑0.2
2/20 14:10	13.1	↑0.3
2/20 14:20	13.4	↑0.3
2/20 14:30	13.7	↑0.3
2/20 14:40	14.1	↑0.4
2/20 14:50	14.4	↑0.3
2/20 15:00	14.8	↑0.4
2/20 15:10	15.2	↑0.4
2/20 15:20	15.7	↑0.5
2/20 15:30	16.1	↑0.4
2/20 15:40	16.6	↑0.5
2/20 15:50	17.1	↑0.5
2/20 16:00	17.6	↑0.5
2/20 16:10	18.1	↑0.5
2/20 16:20	18.5	↑0.4
2/20 16:30	19.0	↑0.5
2/20 16:40	19.5	↑0.5
2/20 16:50	20.0	↑0.5
2/20 17:00	20.5	↑0.5
2/20 17:10	21.0	↑0.5
2/20 17:20	21.4	↑0.4
2/20 17:30	21.9	↑0.5
2/20 17:40	22.3	↑0.4
2/20 17:50	22.7	↑0.4
2/20 18:00	23.1	↑0.4
2/20 18:10	23.4	↑0.3
2/20 18:20	23.7	↑0.3
2/20 18:30	24.0	↑0.3
2/20 18:40	24.2	↑0.2
2/20 18:50	24.4	↑0.2
2/20 19:00	24.5	↑0.1
2/20 19:10	24.6	↑0.1
2/20 19:20	24.7	↑0.1	満潮
2/20 19:30	24.7	0
2/20 19:40	24.7	0
2/20 19:50	24.6	↓-0.1
2/20 20:00	24.5	↓-0.1
2/20 20:10	24.3	↓-0.2
2/20 20:20	24.0	↓-0.3
2/20 20:30	23.8	↓-0.2
2/20 20:40	23.4	↓-0.4
2/20 20:50	23.1	↓-0.3
2/20 21:00	22.6	↓-0.5
2/20 21:10	22.2	↓-0.4
2/20 21:20	21.6	↓-0.6
2/20 21:30	21.1	↓-0.5
2/20 21:40	20.5	↓-0.6
2/20 21:50	19.9	↓-0.6
2/20 22:00	19.2	↓-0.7
2/20 22:10	18.5	↓-0.7
2/20 22:20	17.8	↓-0.7
2/20 22:30	17.0	↓-0.8
2/20 22:40	16.2	↓-0.8
2/20 22:50	15.4	↓-0.8
2/20 23:00	14.6	↓-0.8
2/20 23:10	13.8	↓-0.8
2/20 23:20	12.9	↓-0.9	最大潮位差
2/20 23:30	12.1	↓-0.8
2/20 23:40	11.2	↓-0.9	最大潮位差
2/20 23:50	10.4	↓-0.8