12 (土)	08:54	01:27	18:04	09:55
	9cm	-6cm	30cm	9cm
中潮 出 05:06 入 18:17 出 23:25 入 08:05 潮干狩り ○ 05:06～08:12

江差／桧山（北海道）2031年04月12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
4/12 00:00	-4.1	↓-0.6
4/12 00:10	-4.6	↓-0.5
4/12 00:20	-5.1	↓-0.5
4/12 00:30	-5.5	↓-0.4
4/12 00:40	-5.8	↓-0.3
4/12 00:50	-6.0	↓-0.2
4/12 01:00	-6.2	↓-0.2
4/12 01:10	-6.4	↓-0.2
4/12 01:20	-6.5	↓-0.1	干潮
4/12 01:30	-6.5	0
4/12 01:40	-6.4	↑0.1
4/12 01:50	-6.3	↑0.1
4/12 02:00	-6.1	↑0.2
4/12 02:10	-5.9	↑0.2
4/12 02:20	-5.6	↑0.3
4/12 02:30	-5.3	↑0.3
4/12 02:40	-4.9	↑0.4
4/12 02:50	-4.5	↑0.4
4/12 03:00	-4.1	↑0.4
4/12 03:10	-3.6	↑0.5
4/12 03:20	-3.1	↑0.5
4/12 03:30	-2.6	↑0.5
4/12 03:40	-2.0	↑0.6
4/12 03:50	-1.5	↑0.5
4/12 04:00	-0.9	↑0.6
4/12 04:10	-0.3	↑0.6
4/12 04:20	0.3	↑0.6
4/12 04:30	0.9	↑0.6
4/12 04:40	1.5	↑0.6
4/12 04:50	2.1	↑0.6
4/12 05:00	2.6	↑0.5
4/12 05:10	3.2	↑0.6
4/12 05:20	3.7	↑0.5
4/12 05:30	4.2	↑0.5
4/12 05:40	4.7	↑0.5
4/12 05:50	5.2	↑0.5
4/12 06:00	5.7	↑0.5
4/12 06:10	6.1	↑0.4
4/12 06:20	6.5	↑0.4
4/12 06:30	6.9	↑0.4
4/12 06:40	7.2	↑0.3
4/12 06:50	7.5	↑0.3
4/12 07:00	7.8	↑0.3
4/12 07:10	8.0	↑0.2
4/12 07:20	8.2	↑0.2
4/12 07:30	8.4	↑0.2
4/12 07:40	8.5	↑0.1
4/12 07:50	8.7	↑0.2
4/12 08:00	8.8	↑0.1
4/12 08:10	8.8	0
4/12 08:20	8.9	↑0.1
4/12 08:30	8.9	0
4/12 08:40	9.0	↑0.1
4/12 08:50	9.0	0	満潮
4/12 09:00	9.0	0
4/12 09:10	9.0	0
4/12 09:20	9.0	0
4/12 09:30	8.9	↓-0.1
4/12 09:40	8.9	0
4/12 09:50	8.9	0	干潮
4/12 10:00	8.9	0
4/12 10:10	8.9	0
4/12 10:20	9.0	↑0.1
4/12 10:30	9.0	0
4/12 10:40	9.1	↑0.1
4/12 10:50	9.1	0
4/12 11:00	9.3	↑0.2
4/12 11:10	9.4	↑0.1
4/12 11:20	9.6	↑0.2
4/12 11:30	9.8	↑0.2
4/12 11:40	10.0	↑0.2
4/12 11:50	10.2	↑0.2
4/12 12:00	10.5	↑0.3
4/12 12:10	10.9	↑0.4
4/12 12:20	11.2	↑0.3
4/12 12:30	11.6	↑0.4
4/12 12:40	12.1	↑0.5
4/12 12:50	12.5	↑0.4
4/12 13:00	13.0	↑0.5
4/12 13:10	13.6	↑0.6
4/12 13:20	14.1	↑0.5
4/12 13:30	14.7	↑0.6
4/12 13:40	15.4	↑0.7
4/12 13:50	16.0	↑0.6
4/12 14:00	16.7	↑0.7
4/12 14:10	17.3	↑0.6
4/12 14:20	18.0	↑0.7
4/12 14:30	18.7	↑0.7
4/12 14:40	19.4	↑0.7
4/12 14:50	20.2	↑0.8
4/12 15:00	20.9	↑0.7
4/12 15:10	21.6	↑0.7
4/12 15:20	22.3	↑0.7
4/12 15:30	23.0	↑0.7
4/12 15:40	23.6	↑0.6
4/12 15:50	24.3	↑0.7
4/12 16:00	24.9	↑0.6
4/12 16:10	25.5	↑0.6
4/12 16:20	26.1	↑0.6
4/12 16:30	26.6	↑0.5
4/12 16:40	27.1	↑0.5
4/12 16:50	27.5	↑0.4
4/12 17:00	27.9	↑0.4
4/12 17:10	28.3	↑0.4
4/12 17:20	28.6	↑0.3
4/12 17:30	28.8	↑0.2
4/12 17:40	29.0	↑0.2
4/12 17:50	29.1	↑0.1
4/12 18:00	29.1	0	満潮
4/12 18:10	29.1	0
4/12 18:20	29.0	↓-0.1
4/12 18:30	28.9	↓-0.1
4/12 18:40	28.7	↓-0.2
4/12 18:50	28.4	↓-0.3
4/12 19:00	28.0	↓-0.4
4/12 19:10	27.6	↓-0.4
4/12 19:20	27.2	↓-0.4
4/12 19:30	26.6	↓-0.6
4/12 19:40	26.0	↓-0.6
4/12 19:50	25.4	↓-0.6
4/12 20:00	24.7	↓-0.7
4/12 20:10	23.9	↓-0.8
4/12 20:20	23.1	↓-0.8
4/12 20:30	22.2	↓-0.9
4/12 20:40	21.3	↓-0.9
4/12 20:50	20.4	↓-0.9
4/12 21:00	19.4	↓-1.0
4/12 21:10	18.4	↓-1.0
4/12 21:20	17.4	↓-1.0
4/12 21:30	16.3	↓-1.1	最大潮位差
4/12 21:40	15.3	↓-1.0
4/12 21:50	14.2	↓-1.1	最大潮位差
4/12 22:00	13.1	↓-1.1	最大潮位差
4/12 22:10	12.0	↓-1.1	最大潮位差
4/12 22:20	10.9	↓-1.1	最大潮位差
4/12 22:30	9.8	↓-1.1	最大潮位差
4/12 22:40	8.7	↓-1.1	最大潮位差
4/12 22:50	7.6	↓-1.1	最大潮位差
4/12 23:00	6.6	↓-1.0
4/12 23:10	5.6	↓-1.0
4/12 23:20	4.6	↓-1.0
4/12 23:30	3.6	↓-1.0
4/12 23:40	2.7	↓-0.9
4/12 23:50	1.8	↓-0.9