20 (木)	22:45	06:09	-	-
	24cm	1cm	-	-
長潮 出 04:53 入 18:25 出 13:02 入 01:46 潮干狩り ◎ 04:53～12:08

江差／桧山（北海道）2051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	20.0	↓-0.6
4/20 00:10	19.4	↓-0.6
4/20 00:20	18.7	↓-0.7
4/20 00:30	18.0	↓-0.7
4/20 00:40	17.3	↓-0.7
4/20 00:50	16.6	↓-0.7
4/20 01:00	15.9	↓-0.7
4/20 01:10	15.1	↓-0.8	最大潮位差
4/20 01:20	14.4	↓-0.7
4/20 01:30	13.6	↓-0.8	最大潮位差
4/20 01:40	12.8	↓-0.8	最大潮位差
4/20 01:50	12.1	↓-0.7
4/20 02:00	11.3	↓-0.8	最大潮位差
4/20 02:10	10.6	↓-0.7
4/20 02:20	9.9	↓-0.7
4/20 02:30	9.2	↓-0.7
4/20 02:40	8.5	↓-0.7
4/20 02:50	7.8	↓-0.7
4/20 03:00	7.1	↓-0.7
4/20 03:10	6.5	↓-0.6
4/20 03:20	5.9	↓-0.6
4/20 03:30	5.3	↓-0.6
4/20 03:40	4.7	↓-0.6
4/20 03:50	4.2	↓-0.5
4/20 04:00	3.7	↓-0.5
4/20 04:10	3.3	↓-0.4
4/20 04:20	2.8	↓-0.5
4/20 04:30	2.4	↓-0.4
4/20 04:40	2.1	↓-0.3
4/20 04:50	1.8	↓-0.3
4/20 05:00	1.5	↓-0.3
4/20 05:10	1.3	↓-0.2
4/20 05:20	1.1	↓-0.2
4/20 05:30	0.9	↓-0.2
4/20 05:40	0.8	↓-0.1
4/20 05:50	0.7	↓-0.1
4/20 06:00	0.7	0	干潮
4/20 06:10	0.7	0
4/20 06:20	0.7	0
4/20 06:30	0.8	↑0.1
4/20 06:40	0.9	↑0.1
4/20 06:50	1.0	↑0.1
4/20 07:00	1.1	↑0.1
4/20 07:10	1.3	↑0.2
4/20 07:20	1.5	↑0.2
4/20 07:30	1.7	↑0.2
4/20 07:40	2.0	↑0.3
4/20 07:50	2.2	↑0.2
4/20 08:00	2.5	↑0.3
4/20 08:10	2.8	↑0.3
4/20 08:20	3.1	↑0.3
4/20 08:30	3.4	↑0.3
4/20 08:40	3.7	↑0.3
4/20 08:50	4.0	↑0.3
4/20 09:00	4.3	↑0.3
4/20 09:10	4.6	↑0.3
4/20 09:20	5.0	↑0.4
4/20 09:30	5.3	↑0.3
4/20 09:40	5.6	↑0.3
4/20 09:50	5.9	↑0.3
4/20 10:00	6.2	↑0.3
4/20 10:10	6.5	↑0.3
4/20 10:20	6.7	↑0.2
4/20 10:30	7.0	↑0.3
4/20 10:40	7.3	↑0.3
4/20 10:50	7.5	↑0.2
4/20 11:00	7.7	↑0.2
4/20 11:10	7.9	↑0.2
4/20 11:20	8.1	↑0.2
4/20 11:30	8.3	↑0.2
4/20 11:40	8.5	↑0.2
4/20 11:50	8.6	↑0.1
4/20 12:00	8.8	↑0.2
4/20 12:10	8.9	↑0.1
4/20 12:20	9.0	↑0.1
4/20 12:30	9.1	↑0.1
4/20 12:40	9.2	↑0.1
4/20 12:50	9.3	↑0.1
4/20 13:00	9.3	0
4/20 13:10	9.4	↑0.1
4/20 13:20	9.5	↑0.1
4/20 13:30	9.5	0
4/20 13:40	9.6	↑0.1
4/20 13:50	9.6	0
4/20 14:00	9.7	↑0.1
4/20 14:10	9.7	0
4/20 14:20	9.8	↑0.1
4/20 14:30	9.8	0
4/20 14:40	9.9	↑0.1
4/20 14:50	10.0	↑0.1
4/20 15:00	10.0	0
4/20 15:10	10.1	↑0.1
4/20 15:20	10.2	↑0.1
4/20 15:30	10.4	↑0.2
4/20 15:40	10.5	↑0.1
4/20 15:50	10.7	↑0.2
4/20 16:00	10.8	↑0.1
4/20 16:10	11.0	↑0.2
4/20 16:20	11.2	↑0.2
4/20 16:30	11.4	↑0.2
4/20 16:40	11.7	↑0.3
4/20 16:50	11.9	↑0.2
4/20 17:00	12.2	↑0.3
4/20 17:10	12.5	↑0.3
4/20 17:20	12.8	↑0.3
4/20 17:30	13.2	↑0.4
4/20 17:40	13.5	↑0.3
4/20 17:50	13.9	↑0.4
4/20 18:00	14.3	↑0.4
4/20 18:10	14.7	↑0.4
4/20 18:20	15.1	↑0.4
4/20 18:30	15.5	↑0.4
4/20 18:40	16.0	↑0.5
4/20 18:50	16.4	↑0.4
4/20 19:00	16.9	↑0.5
4/20 19:10	17.3	↑0.4
4/20 19:20	17.8	↑0.5
4/20 19:30	18.3	↑0.5
4/20 19:40	18.7	↑0.4
4/20 19:50	19.2	↑0.5
4/20 20:00	19.6	↑0.4
4/20 20:10	20.1	↑0.5
4/20 20:20	20.5	↑0.4
4/20 20:30	20.9	↑0.4
4/20 20:40	21.3	↑0.4
4/20 20:50	21.7	↑0.4
4/20 21:00	22.0	↑0.3
4/20 21:10	22.4	↑0.4
4/20 21:20	22.7	↑0.3
4/20 21:30	22.9	↑0.2
4/20 21:40	23.2	↑0.3
4/20 21:50	23.4	↑0.2
4/20 22:00	23.6	↑0.2
4/20 22:10	23.7	↑0.1
4/20 22:20	23.8	↑0.1
4/20 22:30	23.9	↑0.1
4/20 22:40	24.0	↑0.1	満潮
4/20 22:50	24.0	0
4/20 23:00	23.9	↓-0.1
4/20 23:10	23.8	↓-0.1
4/20 23:20	23.7	↓-0.1
4/20 23:30	23.5	↓-0.2
4/20 23:40	23.3	↓-0.2
4/20 23:50	23.1	↓-0.2