20 (火)	13:35	06:50	23:48	15:55
	10cm	2cm	24cm	10cm
若潮 出 04:52 入 18:26 出 13:15 入 01:51 潮干狩り ◎ 04:52～11:37

江差／桧山（北海道）2032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	22.3	↓-0.4
4/20 00:10	21.9	↓-0.4
4/20 00:20	21.4	↓-0.5
4/20 00:30	20.9	↓-0.5
4/20 00:40	20.4	↓-0.5
4/20 00:50	19.8	↓-0.6
4/20 01:00	19.2	↓-0.6
4/20 01:10	18.6	↓-0.6
4/20 01:20	18.0	↓-0.6
4/20 01:30	17.3	↓-0.7
4/20 01:40	16.6	↓-0.7
4/20 01:50	15.9	↓-0.7
4/20 02:00	15.3	↓-0.6
4/20 02:10	14.5	↓-0.8	最大潮位差
4/20 02:20	13.8	↓-0.7
4/20 02:30	13.1	↓-0.7
4/20 02:40	12.4	↓-0.7
4/20 02:50	11.7	↓-0.7
4/20 03:00	11.0	↓-0.7
4/20 03:10	10.3	↓-0.7
4/20 03:20	9.6	↓-0.7
4/20 03:30	9.0	↓-0.6
4/20 03:40	8.3	↓-0.7
4/20 03:50	7.7	↓-0.6
4/20 04:00	7.1	↓-0.6
4/20 04:10	6.5	↓-0.6
4/20 04:20	6.0	↓-0.5
4/20 04:30	5.5	↓-0.5
4/20 04:40	5.0	↓-0.5
4/20 04:50	4.5	↓-0.5
4/20 05:00	4.1	↓-0.4
4/20 05:10	3.7	↓-0.4
4/20 05:20	3.3	↓-0.4
4/20 05:30	3.0	↓-0.3
4/20 05:40	2.8	↓-0.2
4/20 05:50	2.5	↓-0.3
4/20 06:00	2.3	↓-0.2
4/20 06:10	2.2	↓-0.1
4/20 06:20	2.0	↓-0.2
4/20 06:30	1.9	↓-0.1
4/20 06:40	1.9	0	干潮
4/20 06:50	1.9	0	干潮
4/20 07:00	1.9	0
4/20 07:10	2.0	↑0.1
4/20 07:20	2.0	0
4/20 07:30	2.2	↑0.2
4/20 07:40	2.3	↑0.1
4/20 07:50	2.5	↑0.2
4/20 08:00	2.7	↑0.2
4/20 08:10	2.9	↑0.2
4/20 08:20	3.1	↑0.2
4/20 08:30	3.4	↑0.3
4/20 08:40	3.7	↑0.3
4/20 08:50	4.0	↑0.3
4/20 09:00	4.3	↑0.3
4/20 09:10	4.6	↑0.3
4/20 09:20	4.9	↑0.3
4/20 09:30	5.2	↑0.3
4/20 09:40	5.6	↑0.4
4/20 09:50	5.9	↑0.3
4/20 10:00	6.2	↑0.3
4/20 10:10	6.5	↑0.3
4/20 10:20	6.9	↑0.4
4/20 10:30	7.2	↑0.3
4/20 10:40	7.5	↑0.3
4/20 10:50	7.7	↑0.2
4/20 11:00	8.0	↑0.3
4/20 11:10	8.3	↑0.3
4/20 11:20	8.5	↑0.2
4/20 11:30	8.7	↑0.2
4/20 11:40	8.9	↑0.2
4/20 11:50	9.1	↑0.2
4/20 12:00	9.3	↑0.2
4/20 12:10	9.4	↑0.1
4/20 12:20	9.6	↑0.2
4/20 12:30	9.7	↑0.1
4/20 12:40	9.8	↑0.1
4/20 12:50	9.8	0
4/20 13:00	9.9	↑0.1
4/20 13:10	9.9	0
4/20 13:20	10.0	↑0.1
4/20 13:30	10.0	0	満潮
4/20 13:40	10.0	0
4/20 13:50	10.0	0
4/20 14:00	9.9	↓-0.1
4/20 14:10	9.9	0
4/20 14:20	9.9	0
4/20 14:30	9.8	↓-0.1
4/20 14:40	9.8	0
4/20 14:50	9.7	↓-0.1
4/20 15:00	9.7	0
4/20 15:10	9.7	0
4/20 15:20	9.6	↓-0.1
4/20 15:30	9.6	0
4/20 15:40	9.6	0
4/20 15:50	9.6	0	干潮
4/20 16:00	9.6	0
4/20 16:10	9.6	0
4/20 16:20	9.6	0
4/20 16:30	9.7	↑0.1
4/20 16:40	9.7	0
4/20 16:50	9.8	↑0.1
4/20 17:00	9.9	↑0.1
4/20 17:10	10.0	↑0.1
4/20 17:20	10.2	↑0.2
4/20 17:30	10.4	↑0.2
4/20 17:40	10.6	↑0.2
4/20 17:50	10.8	↑0.2
4/20 18:00	11.1	↑0.3
4/20 18:10	11.3	↑0.2
4/20 18:20	11.6	↑0.3
4/20 18:30	11.9	↑0.3
4/20 18:40	12.3	↑0.4
4/20 18:50	12.6	↑0.3
4/20 19:00	13.0	↑0.4
4/20 19:10	13.4	↑0.4
4/20 19:20	13.8	↑0.4
4/20 19:30	14.3	↑0.5
4/20 19:40	14.7	↑0.4
4/20 19:50	15.2	↑0.5
4/20 20:00	15.7	↑0.5
4/20 20:10	16.1	↑0.4
4/20 20:20	16.6	↑0.5
4/20 20:30	17.1	↑0.5
4/20 20:40	17.6	↑0.5
4/20 20:50	18.1	↑0.5
4/20 21:00	18.5	↑0.4
4/20 21:10	19.0	↑0.5
4/20 21:20	19.5	↑0.5
4/20 21:30	19.9	↑0.4
4/20 21:40	20.3	↑0.4
4/20 21:50	20.7	↑0.4
4/20 22:00	21.1	↑0.4
4/20 22:10	21.5	↑0.4
4/20 22:20	21.8	↑0.3
4/20 22:30	22.1	↑0.3
4/20 22:40	22.4	↑0.3
4/20 22:50	22.6	↑0.2
4/20 23:00	22.8	↑0.2
4/20 23:10	23.0	↑0.2
4/20 23:20	23.1	↑0.1
4/20 23:30	23.2	↑0.1
4/20 23:40	23.2	0	満潮
4/20 23:50	23.2	0