9 (金)	07:52	00:45	17:45	11:13
	14cm	-6cm	26cm	12cm
中潮 出 05:10 入 18:14 出 07:42 入 22:29

江差／桧山（北海道）2038年04月9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
4/9 00:00	-5.7	↓-0.3
4/9 00:10	-6.0	↓-0.3
4/9 00:20	-6.2	↓-0.2
4/9 00:30	-6.3	↓-0.1
4/9 00:40	-6.4	↓-0.1	干潮
4/9 00:50	-6.4	0
4/9 01:00	-6.3	↑0.1
4/9 01:10	-6.1	↑0.2
4/9 01:20	-5.9	↑0.2
4/9 01:30	-5.7	↑0.2
4/9 01:40	-5.3	↑0.4
4/9 01:50	-5.0	↑0.3
4/9 02:00	-4.5	↑0.5
4/9 02:10	-4.1	↑0.4
4/9 02:20	-3.5	↑0.6
4/9 02:30	-3.0	↑0.5
4/9 02:40	-2.4	↑0.6
4/9 02:50	-1.7	↑0.7
4/9 03:00	-1.1	↑0.6
4/9 03:10	-0.4	↑0.7
4/9 03:20	0.3	↑0.7
4/9 03:30	1.1	↑0.8
4/9 03:40	1.8	↑0.7
4/9 03:50	2.6	↑0.8
4/9 04:00	3.3	↑0.7
4/9 04:10	4.0	↑0.7
4/9 04:20	4.8	↑0.8
4/9 04:30	5.5	↑0.7
4/9 04:40	6.2	↑0.7
4/9 04:50	6.9	↑0.7
4/9 05:00	7.5	↑0.6
4/9 05:10	8.2	↑0.7
4/9 05:20	8.8	↑0.6
4/9 05:30	9.4	↑0.6
4/9 05:40	9.9	↑0.5
4/9 05:50	10.4	↑0.5
4/9 06:00	10.9	↑0.5
4/9 06:10	11.3	↑0.4
4/9 06:20	11.7	↑0.4
4/9 06:30	12.0	↑0.3
4/9 06:40	12.3	↑0.3
4/9 06:50	12.6	↑0.3
4/9 07:00	12.8	↑0.2
4/9 07:10	13.0	↑0.2
4/9 07:20	13.1	↑0.1
4/9 07:30	13.2	↑0.1
4/9 07:40	13.2	0
4/9 07:50	13.3	↑0.1	満潮
4/9 08:00	13.3	0
4/9 08:10	13.2	↓-0.1
4/9 08:20	13.1	↓-0.1
4/9 08:30	13.0	↓-0.1
4/9 08:40	12.9	↓-0.1
4/9 08:50	12.8	↓-0.1
4/9 09:00	12.7	↓-0.1
4/9 09:10	12.5	↓-0.2
4/9 09:20	12.3	↓-0.2
4/9 09:30	12.2	↓-0.1
4/9 09:40	12.0	↓-0.2
4/9 09:50	11.8	↓-0.2
4/9 10:00	11.7	↓-0.1
4/9 10:10	11.5	↓-0.2
4/9 10:20	11.4	↓-0.1
4/9 10:30	11.3	↓-0.1
4/9 10:40	11.2	↓-0.1
4/9 10:50	11.1	↓-0.1
4/9 11:00	11.0	↓-0.1
4/9 11:10	11.0	0	干潮
4/9 11:20	11.0	0
4/9 11:30	11.1	↑0.1
4/9 11:40	11.1	0
4/9 11:50	11.3	↑0.2
4/9 12:00	11.4	↑0.1
4/9 12:10	11.6	↑0.2
4/9 12:20	11.8	↑0.2
4/9 12:30	12.1	↑0.3
4/9 12:40	12.4	↑0.3
4/9 12:50	12.7	↑0.3
4/9 13:00	13.1	↑0.4
4/9 13:10	13.5	↑0.4
4/9 13:20	13.9	↑0.4
4/9 13:30	14.4	↑0.5
4/9 13:40	14.8	↑0.4
4/9 13:50	15.4	↑0.6
4/9 14:00	15.9	↑0.5
4/9 14:10	16.5	↑0.6
4/9 14:20	17.0	↑0.5
4/9 14:30	17.6	↑0.6
4/9 14:40	18.2	↑0.6
4/9 14:50	18.8	↑0.6
4/9 15:00	19.4	↑0.6
4/9 15:10	20.0	↑0.6
4/9 15:20	20.5	↑0.5
4/9 15:30	21.1	↑0.6
4/9 15:40	21.7	↑0.6
4/9 15:50	22.2	↑0.5
4/9 16:00	22.7	↑0.5
4/9 16:10	23.2	↑0.5
4/9 16:20	23.6	↑0.4
4/9 16:30	24.0	↑0.4
4/9 16:40	24.4	↑0.4
4/9 16:50	24.7	↑0.3
4/9 17:00	25.0	↑0.3
4/9 17:10	25.2	↑0.2
4/9 17:20	25.3	↑0.1
4/9 17:30	25.4	↑0.1
4/9 17:40	25.5	↑0.1	満潮
4/9 17:50	25.5	0
4/9 18:00	25.4	↓-0.1
4/9 18:10	25.3	↓-0.1
4/9 18:20	25.1	↓-0.2
4/9 18:30	24.8	↓-0.3
4/9 18:40	24.5	↓-0.3
4/9 18:50	24.1	↓-0.4
4/9 19:00	23.7	↓-0.4
4/9 19:10	23.2	↓-0.5
4/9 19:20	22.6	↓-0.6
4/9 19:30	22.0	↓-0.6
4/9 19:40	21.3	↓-0.7
4/9 19:50	20.6	↓-0.7
4/9 20:00	19.8	↓-0.8
4/9 20:10	19.0	↓-0.8
4/9 20:20	18.1	↓-0.9
4/9 20:30	17.2	↓-0.9
4/9 20:40	16.3	↓-0.9
4/9 20:50	15.3	↓-1.0
4/9 21:00	14.3	↓-1.0
4/9 21:10	13.3	↓-1.0
4/9 21:20	12.3	↓-1.0
4/9 21:30	11.2	↓-1.1	最大潮位差
4/9 21:40	10.2	↓-1.0
4/9 21:50	9.1	↓-1.1	最大潮位差
4/9 22:00	8.0	↓-1.1	最大潮位差
4/9 22:10	7.0	↓-1.0
4/9 22:20	6.0	↓-1.0
4/9 22:30	5.0	↓-1.0
4/9 22:40	4.0	↓-1.0
4/9 22:50	3.0	↓-1.0
4/9 23:00	2.1	↓-0.9
4/9 23:10	1.2	↓-0.9
4/9 23:20	0.3	↓-0.9
4/9 23:30	-0.5	↓-0.8
4/9 23:40	-1.3	↓-0.8
4/9 23:50	-2.0	↓-0.7