20 (木)	05:19	10:07	16:00	23:20
	19cm	11cm	25cm	-4cm
大潮 出 04:53 入 18:26 出 05:57 入 20:08

江差／桧山（北海道）2034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	-0.7	↑0.6
4/20 00:10	-0.1	↑0.6
4/20 00:20	0.5	↑0.6
4/20 00:30	1.2	↑0.7
4/20 00:40	2.0	↑0.8
4/20 00:50	2.7	↑0.7
4/20 01:00	3.5	↑0.8
4/20 01:10	4.3	↑0.8
4/20 01:20	5.2	↑0.9
4/20 01:30	6.0	↑0.8
4/20 01:40	6.9	↑0.9
4/20 01:50	7.7	↑0.8
4/20 02:00	8.6	↑0.9
4/20 02:10	9.4	↑0.8
4/20 02:20	10.2	↑0.8
4/20 02:30	11.1	↑0.9
4/20 02:40	11.8	↑0.7
4/20 02:50	12.6	↑0.8
4/20 03:00	13.3	↑0.7
4/20 03:10	14.0	↑0.7
4/20 03:20	14.7	↑0.7
4/20 03:30	15.3	↑0.6
4/20 03:40	15.8	↑0.5
4/20 03:50	16.3	↑0.5
4/20 04:00	16.8	↑0.5
4/20 04:10	17.2	↑0.4
4/20 04:20	17.5	↑0.3
4/20 04:30	17.8	↑0.3
4/20 04:40	18.1	↑0.3
4/20 04:50	18.2	↑0.1
4/20 05:00	18.4	↑0.2
4/20 05:10	18.4	0	満潮
4/20 05:20	18.4	0
4/20 05:30	18.4	0
4/20 05:40	18.3	↓-0.1
4/20 05:50	18.2	↓-0.1
4/20 06:00	18.0	↓-0.2
4/20 06:10	17.8	↓-0.2
4/20 06:20	17.5	↓-0.3
4/20 06:30	17.2	↓-0.3
4/20 06:40	16.9	↓-0.3
4/20 06:50	16.6	↓-0.3
4/20 07:00	16.2	↓-0.4
4/20 07:10	15.8	↓-0.4
4/20 07:20	15.4	↓-0.4
4/20 07:30	15.0	↓-0.4
4/20 07:40	14.5	↓-0.5
4/20 07:50	14.1	↓-0.4
4/20 08:00	13.7	↓-0.4
4/20 08:10	13.3	↓-0.4
4/20 08:20	12.9	↓-0.4
4/20 08:30	12.5	↓-0.4
4/20 08:40	12.2	↓-0.3
4/20 08:50	11.8	↓-0.4
4/20 09:00	11.5	↓-0.3
4/20 09:10	11.3	↓-0.2
4/20 09:20	11.0	↓-0.3
4/20 09:30	10.9	↓-0.1
4/20 09:40	10.7	↓-0.2
4/20 09:50	10.6	↓-0.1
4/20 10:00	10.6	0	干潮
4/20 10:10	10.6	0
4/20 10:20	10.6	0
4/20 10:30	10.7	↑0.1
4/20 10:40	10.8	↑0.1
4/20 10:50	11.0	↑0.2
4/20 11:00	11.3	↑0.3
4/20 11:10	11.5	↑0.2
4/20 11:20	11.9	↑0.4
4/20 11:30	12.2	↑0.3
4/20 11:40	12.7	↑0.5
4/20 11:50	13.1	↑0.4
4/20 12:00	13.6	↑0.5
4/20 12:10	14.1	↑0.5
4/20 12:20	14.7	↑0.6
4/20 12:30	15.3	↑0.6
4/20 12:40	15.9	↑0.6
4/20 12:50	16.5	↑0.6
4/20 13:00	17.1	↑0.6
4/20 13:10	17.7	↑0.6
4/20 13:20	18.3	↑0.6
4/20 13:30	19.0	↑0.7
4/20 13:40	19.6	↑0.6
4/20 13:50	20.2	↑0.6
4/20 14:00	20.8	↑0.6
4/20 14:10	21.3	↑0.5
4/20 14:20	21.9	↑0.6
4/20 14:30	22.4	↑0.5
4/20 14:40	22.8	↑0.4
4/20 14:50	23.3	↑0.5
4/20 15:00	23.6	↑0.3
4/20 15:10	24.0	↑0.4
4/20 15:20	24.2	↑0.2
4/20 15:30	24.5	↑0.3
4/20 15:40	24.6	↑0.1
4/20 15:50	24.7	↑0.1	満潮
4/20 16:00	24.7	0	満潮
4/20 16:10	24.7	0
4/20 16:20	24.6	↓-0.1
4/20 16:30	24.4	↓-0.2
4/20 16:40	24.2	↓-0.2
4/20 16:50	23.8	↓-0.4
4/20 17:00	23.5	↓-0.3
4/20 17:10	23.0	↓-0.5
4/20 17:20	22.5	↓-0.5
4/20 17:30	21.9	↓-0.6
4/20 17:40	21.3	↓-0.6
4/20 17:50	20.6	↓-0.7
4/20 18:00	19.8	↓-0.8
4/20 18:10	19.0	↓-0.8
4/20 18:20	18.2	↓-0.8
4/20 18:30	17.3	↓-0.9
4/20 18:40	16.3	↓-1.0
4/20 18:50	15.4	↓-0.9
4/20 19:00	14.4	↓-1.0
4/20 19:10	13.3	↓-1.1	最大潮位差
4/20 19:20	12.3	↓-1.0
4/20 19:30	11.2	↓-1.1	最大潮位差
4/20 19:40	10.2	↓-1.0
4/20 19:50	9.1	↓-1.1	最大潮位差
4/20 20:00	8.1	↓-1.0
4/20 20:10	7.0	↓-1.1	最大潮位差
4/20 20:20	6.0	↓-1.0
4/20 20:30	5.0	↓-1.0
4/20 20:40	4.0	↓-1.0
4/20 20:50	3.0	↓-1.0
4/20 21:00	2.1	↓-0.9
4/20 21:10	1.2	↓-0.9
4/20 21:20	0.4	↓-0.8
4/20 21:30	-0.4	↓-0.8
4/20 21:40	-1.1	↓-0.7
4/20 21:50	-1.8	↓-0.7
4/20 22:00	-2.4	↓-0.6
4/20 22:10	-2.9	↓-0.5
4/20 22:20	-3.4	↓-0.5
4/20 22:30	-3.8	↓-0.4
4/20 22:40	-4.1	↓-0.3
4/20 22:50	-4.4	↓-0.3
4/20 23:00	-4.5	↓-0.1
4/20 23:10	-4.6	↓-0.1	干潮
4/20 23:20	-4.7	↓-0.1	干潮
4/20 23:30	-4.6	↑0.1
4/20 23:40	-4.5	↑0.1
4/20 23:50	-4.3	↑0.2