20 (木)	14:55	08:26	-	17:14
	9cm	1cm	-	9cm
若潮 出 04:52 入 18:26 出 14:46 入 03:12 潮干狩り ◎ 05:01～18:26

江差／桧山（北海道）2062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	26.8	0
4/20 00:10	26.7	↓-0.1
4/20 00:20	26.6	↓-0.1
4/20 00:30	26.4	↓-0.2
4/20 00:40	26.2	↓-0.2
4/20 00:50	26.0	↓-0.2
4/20 01:00	25.6	↓-0.4
4/20 01:10	25.3	↓-0.3
4/20 01:20	24.9	↓-0.4
4/20 01:30	24.4	↓-0.5
4/20 01:40	23.9	↓-0.5
4/20 01:50	23.4	↓-0.5
4/20 02:00	22.8	↓-0.6
4/20 02:10	22.2	↓-0.6
4/20 02:20	21.6	↓-0.6
4/20 02:30	20.9	↓-0.7
4/20 02:40	20.2	↓-0.7
4/20 02:50	19.5	↓-0.7
4/20 03:00	18.7	↓-0.8
4/20 03:10	17.9	↓-0.8
4/20 03:20	17.1	↓-0.8
4/20 03:30	16.3	↓-0.8
4/20 03:40	15.5	↓-0.8
4/20 03:50	14.7	↓-0.8
4/20 04:00	13.8	↓-0.9	最大潮位差
4/20 04:10	13.0	↓-0.8
4/20 04:20	12.1	↓-0.9	最大潮位差
4/20 04:30	11.3	↓-0.8
4/20 04:40	10.5	↓-0.8
4/20 04:50	9.7	↓-0.8
4/20 05:00	8.9	↓-0.8
4/20 05:10	8.1	↓-0.8
4/20 05:20	7.4	↓-0.7
4/20 05:30	6.7	↓-0.7
4/20 05:40	6.0	↓-0.7
4/20 05:50	5.3	↓-0.7
4/20 06:00	4.7	↓-0.6
4/20 06:10	4.1	↓-0.6
4/20 06:20	3.5	↓-0.6
4/20 06:30	3.0	↓-0.5
4/20 06:40	2.5	↓-0.5
4/20 06:50	2.1	↓-0.4
4/20 07:00	1.7	↓-0.4
4/20 07:10	1.3	↓-0.4
4/20 07:20	1.0	↓-0.3
4/20 07:30	0.8	↓-0.2
4/20 07:40	0.5	↓-0.3
4/20 07:50	0.4	↓-0.1
4/20 08:00	0.2	↓-0.2
4/20 08:10	0.2	0
4/20 08:20	0.1	↓-0.1	干潮
4/20 08:30	0.1	0
4/20 08:40	0.2	↑0.1
4/20 08:50	0.2	0
4/20 09:00	0.3	↑0.1
4/20 09:10	0.5	↑0.2
4/20 09:20	0.7	↑0.2
4/20 09:30	0.9	↑0.2
4/20 09:40	1.1	↑0.2
4/20 09:50	1.4	↑0.3
4/20 10:00	1.7	↑0.3
4/20 10:10	2.0	↑0.3
4/20 10:20	2.3	↑0.3
4/20 10:30	2.6	↑0.3
4/20 10:40	3.0	↑0.4
4/20 10:50	3.3	↑0.3
4/20 11:00	3.7	↑0.4
4/20 11:10	4.0	↑0.3
4/20 11:20	4.4	↑0.4
4/20 11:30	4.8	↑0.4
4/20 11:40	5.1	↑0.3
4/20 11:50	5.5	↑0.4
4/20 12:00	5.8	↑0.3
4/20 12:10	6.1	↑0.3
4/20 12:20	6.4	↑0.3
4/20 12:30	6.7	↑0.3
4/20 12:40	7.0	↑0.3
4/20 12:50	7.3	↑0.3
4/20 13:00	7.5	↑0.2
4/20 13:10	7.7	↑0.2
4/20 13:20	7.9	↑0.2
4/20 13:30	8.1	↑0.2
4/20 13:40	8.2	↑0.1
4/20 13:50	8.4	↑0.2
4/20 14:00	8.5	↑0.1
4/20 14:10	8.6	↑0.1
4/20 14:20	8.6	0
4/20 14:30	8.7	↑0.1
4/20 14:40	8.7	0
4/20 14:50	8.7	0	満潮
4/20 15:00	8.7	0
4/20 15:10	8.7	0
4/20 15:20	8.7	0
4/20 15:30	8.6	↓-0.1
4/20 15:40	8.6	0
4/20 15:50	8.5	↓-0.1
4/20 16:00	8.5	0
4/20 16:10	8.4	↓-0.1
4/20 16:20	8.4	0
4/20 16:30	8.3	↓-0.1
4/20 16:40	8.3	0
4/20 16:50	8.2	↓-0.1
4/20 17:00	8.2	0
4/20 17:10	8.2	0	干潮
4/20 17:20	8.2	0
4/20 17:30	8.2	0
4/20 17:40	8.3	↑0.1
4/20 17:50	8.3	0
4/20 18:00	8.4	↑0.1
4/20 18:10	8.5	↑0.1
4/20 18:20	8.7	↑0.2
4/20 18:30	8.8	↑0.1
4/20 18:40	9.0	↑0.2
4/20 18:50	9.3	↑0.3
4/20 19:00	9.5	↑0.2
4/20 19:10	9.8	↑0.3
4/20 19:20	10.1	↑0.3
4/20 19:30	10.5	↑0.4
4/20 19:40	10.8	↑0.3
4/20 19:50	11.2	↑0.4
4/20 20:00	11.7	↑0.5
4/20 20:10	12.1	↑0.4
4/20 20:20	12.6	↑0.5
4/20 20:30	13.1	↑0.5
4/20 20:40	13.7	↑0.6
4/20 20:50	14.2	↑0.5
4/20 21:00	14.8	↑0.6
4/20 21:10	15.4	↑0.6
4/20 21:20	16.0	↑0.6
4/20 21:30	16.6	↑0.6
4/20 21:40	17.2	↑0.6
4/20 21:50	17.8	↑0.6
4/20 22:00	18.4	↑0.6
4/20 22:10	19.0	↑0.6
4/20 22:20	19.7	↑0.7
4/20 22:30	20.3	↑0.6
4/20 22:40	20.9	↑0.6
4/20 22:50	21.4	↑0.5
4/20 23:00	22.0	↑0.6
4/20 23:10	22.5	↑0.5
4/20 23:20	23.0	↑0.5
4/20 23:30	23.5	↑0.5
4/20 23:40	23.9	↑0.4
4/20 23:50	24.3	↑0.4