11 (金)	07:31	00:30	17:21	10:17
	12cm	-7cm	29cm	10cm
中潮 出 05:07 入 18:15 出 22:26 入 07:09

江差／桧山（北海道）2031年04月11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
4/11 00:00	-6.8	↓-0.2
4/11 00:10	-7.0	↓-0.2
4/11 00:20	-7.1	↓-0.1	干潮
4/11 00:30	-7.1	0	干潮
4/11 00:40	-7.1	0
4/11 00:50	-7.0	↑0.1
4/11 01:00	-6.8	↑0.2
4/11 01:10	-6.6	↑0.2
4/11 01:20	-6.3	↑0.3
4/11 01:30	-5.9	↑0.4
4/11 01:40	-5.5	↑0.4
4/11 01:50	-5.1	↑0.4
4/11 02:00	-4.6	↑0.5
4/11 02:10	-4.0	↑0.6
4/11 02:20	-3.4	↑0.6
4/11 02:30	-2.8	↑0.6
4/11 02:40	-2.2	↑0.6
4/11 02:50	-1.5	↑0.7
4/11 03:00	-0.8	↑0.7
4/11 03:10	-0.1	↑0.7
4/11 03:20	0.6	↑0.7
4/11 03:30	1.3	↑0.7
4/11 03:40	2.0	↑0.7
4/11 03:50	2.7	↑0.7
4/11 04:00	3.4	↑0.7
4/11 04:10	4.1	↑0.7
4/11 04:20	4.8	↑0.7
4/11 04:30	5.4	↑0.6
4/11 04:40	6.0	↑0.6
4/11 04:50	6.6	↑0.6
4/11 05:00	7.2	↑0.6
4/11 05:10	7.7	↑0.5
4/11 05:20	8.2	↑0.5
4/11 05:30	8.7	↑0.5
4/11 05:40	9.1	↑0.4
4/11 05:50	9.5	↑0.4
4/11 06:00	9.9	↑0.4
4/11 06:10	10.2	↑0.3
4/11 06:20	10.4	↑0.2
4/11 06:30	10.7	↑0.3
4/11 06:40	10.9	↑0.2
4/11 06:50	11.0	↑0.1
4/11 07:00	11.1	↑0.1
4/11 07:10	11.2	↑0.1
4/11 07:20	11.3	↑0.1
4/11 07:30	11.3	0	満潮
4/11 07:40	11.3	0
4/11 07:50	11.2	↓-0.1
4/11 08:00	11.2	0
4/11 08:10	11.1	↓-0.1
4/11 08:20	11.0	↓-0.1
4/11 08:30	10.9	↓-0.1
4/11 08:40	10.8	↓-0.1
4/11 08:50	10.6	↓-0.2
4/11 09:00	10.5	↓-0.1
4/11 09:10	10.4	↓-0.1
4/11 09:20	10.3	↓-0.1
4/11 09:30	10.2	↓-0.1
4/11 09:40	10.1	↓-0.1
4/11 09:50	10.0	↓-0.1
4/11 10:00	10.0	0
4/11 10:10	9.9	↓-0.1	干潮
4/11 10:20	9.9	0
4/11 10:30	10.0	↑0.1
4/11 10:40	10.0	0
4/11 10:50	10.1	↑0.1
4/11 11:00	10.2	↑0.1
4/11 11:10	10.4	↑0.2
4/11 11:20	10.6	↑0.2
4/11 11:30	10.8	↑0.2
4/11 11:40	11.1	↑0.3
4/11 11:50	11.4	↑0.3
4/11 12:00	11.8	↑0.4
4/11 12:10	12.2	↑0.4
4/11 12:20	12.7	↑0.5
4/11 12:30	13.1	↑0.4
4/11 12:40	13.6	↑0.5
4/11 12:50	14.2	↑0.6
4/11 13:00	14.8	↑0.6
4/11 13:10	15.4	↑0.6
4/11 13:20	16.0	↑0.6
4/11 13:30	16.7	↑0.7
4/11 13:40	17.3	↑0.6
4/11 13:50	18.0	↑0.7
4/11 14:00	18.7	↑0.7
4/11 14:10	19.4	↑0.7
4/11 14:20	20.1	↑0.7
4/11 14:30	20.8	↑0.7
4/11 14:40	21.5	↑0.7
4/11 14:50	22.2	↑0.7
4/11 15:00	22.9	↑0.7
4/11 15:10	23.6	↑0.7
4/11 15:20	24.2	↑0.6
4/11 15:30	24.8	↑0.6
4/11 15:40	25.4	↑0.6
4/11 15:50	25.9	↑0.5
4/11 16:00	26.4	↑0.5
4/11 16:10	26.8	↑0.4
4/11 16:20	27.2	↑0.4
4/11 16:30	27.5	↑0.3
4/11 16:40	27.8	↑0.3
4/11 16:50	28.1	↑0.3
4/11 17:00	28.2	↑0.1
4/11 17:10	28.3	↑0.1
4/11 17:20	28.3	0	満潮
4/11 17:30	28.3	0
4/11 17:40	28.2	↓-0.1
4/11 17:50	28.0	↓-0.2
4/11 18:00	27.8	↓-0.2
4/11 18:10	27.5	↓-0.3
4/11 18:20	27.1	↓-0.4
4/11 18:30	26.6	↓-0.5
4/11 18:40	26.1	↓-0.5
4/11 18:50	25.5	↓-0.6
4/11 19:00	24.9	↓-0.6
4/11 19:10	24.2	↓-0.7
4/11 19:20	23.4	↓-0.8
4/11 19:30	22.6	↓-0.8
4/11 19:40	21.7	↓-0.9
4/11 19:50	20.8	↓-0.9
4/11 20:00	19.8	↓-1.0
4/11 20:10	18.8	↓-1.0
4/11 20:20	17.7	↓-1.1
4/11 20:30	16.6	↓-1.1
4/11 20:40	15.5	↓-1.1
4/11 20:50	14.4	↓-1.1
4/11 21:00	13.3	↓-1.1
4/11 21:10	12.1	↓-1.2	最大潮位差
4/11 21:20	11.0	↓-1.1
4/11 21:30	9.8	↓-1.2	最大潮位差
4/11 21:40	8.7	↓-1.1
4/11 21:50	7.6	↓-1.1
4/11 22:00	6.4	↓-1.2	最大潮位差
4/11 22:10	5.3	↓-1.1
4/11 22:20	4.3	↓-1.0
4/11 22:30	3.2	↓-1.1
4/11 22:40	2.2	↓-1.0
4/11 22:50	1.3	↓-0.9
4/11 23:00	0.3	↓-1.0
4/11 23:10	-0.5	↓-0.8
4/11 23:20	-1.4	↓-0.9
4/11 23:30	-2.1	↓-0.7
4/11 23:40	-2.8	↓-0.7
4/11 23:50	-3.5	↓-0.7