21 (金)	17:27	01:11	-	-
	34cm	-8cm	-	-
中潮 出 04:51 入 18:27 出 06:55 入 23:13 潮干狩り ◎ 04:51～07:32

江差／桧山（北海道）2045年04月21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
4/21 00:00	-6.4	↓-0.5
4/21 00:10	-6.8	↓-0.4
4/21 00:20	-7.2	↓-0.4
4/21 00:30	-7.5	↓-0.3
4/21 00:40	-7.8	↓-0.3
4/21 00:50	-7.9	↓-0.1
4/21 01:00	-8.0	↓-0.1
4/21 01:10	-8.0	0	干潮
4/21 01:20	-8.0	0
4/21 01:30	-7.9	↑0.1
4/21 01:40	-7.8	↑0.1
4/21 01:50	-7.5	↑0.3
4/21 02:00	-7.3	↑0.2
4/21 02:10	-7.0	↑0.3
4/21 02:20	-6.6	↑0.4
4/21 02:30	-6.2	↑0.4
4/21 02:40	-5.7	↑0.5
4/21 02:50	-5.2	↑0.5
4/21 03:00	-4.7	↑0.5
4/21 03:10	-4.2	↑0.5
4/21 03:20	-3.6	↑0.6
4/21 03:30	-3.0	↑0.6
4/21 03:40	-2.4	↑0.6
4/21 03:50	-1.8	↑0.6
4/21 04:00	-1.1	↑0.7
4/21 04:10	-0.5	↑0.6
4/21 04:20	0.1	↑0.6
4/21 04:30	0.8	↑0.7
4/21 04:40	1.4	↑0.6
4/21 04:50	2.0	↑0.6
4/21 05:00	2.6	↑0.6
4/21 05:10	3.2	↑0.6
4/21 05:20	3.7	↑0.5
4/21 05:30	4.3	↑0.6
4/21 05:40	4.8	↑0.5
4/21 05:50	5.3	↑0.5
4/21 06:00	5.8	↑0.5
4/21 06:10	6.2	↑0.4
4/21 06:20	6.6	↑0.4
4/21 06:30	7.0	↑0.4
4/21 06:40	7.4	↑0.4
4/21 06:50	7.7	↑0.3
4/21 07:00	8.1	↑0.4
4/21 07:10	8.3	↑0.2
4/21 07:20	8.6	↑0.3
4/21 07:30	8.8	↑0.2
4/21 07:40	9.0	↑0.2
4/21 07:50	9.2	↑0.2
4/21 08:00	9.4	↑0.2
4/21 08:10	9.6	↑0.2
4/21 08:20	9.7	↑0.1
4/21 08:30	9.9	↑0.2
4/21 08:40	10.0	↑0.1
4/21 08:50	10.1	↑0.1
4/21 09:00	10.3	↑0.2
4/21 09:10	10.4	↑0.1
4/21 09:20	10.5	↑0.1
4/21 09:30	10.7	↑0.2
4/21 09:40	10.8	↑0.1
4/21 09:50	11.0	↑0.2
4/21 10:00	11.1	↑0.1
4/21 10:10	11.3	↑0.2
4/21 10:20	11.5	↑0.2
4/21 10:30	11.8	↑0.3
4/21 10:40	12.0	↑0.2
4/21 10:50	12.3	↑0.3
4/21 11:00	12.6	↑0.3
4/21 11:10	13.0	↑0.4
4/21 11:20	13.4	↑0.4
4/21 11:30	13.8	↑0.4
4/21 11:40	14.2	↑0.4
4/21 11:50	14.7	↑0.5
4/21 12:00	15.2	↑0.5
4/21 12:10	15.7	↑0.5
4/21 12:20	16.3	↑0.6
4/21 12:30	16.9	↑0.6
4/21 12:40	17.5	↑0.6
4/21 12:50	18.1	↑0.6
4/21 13:00	18.8	↑0.7
4/21 13:10	19.5	↑0.7
4/21 13:20	20.2	↑0.7
4/21 13:30	20.9	↑0.7
4/21 13:40	21.7	↑0.8
4/21 13:50	22.4	↑0.7
4/21 14:00	23.2	↑0.8
4/21 14:10	23.9	↑0.7
4/21 14:20	24.7	↑0.8
4/21 14:30	25.5	↑0.8
4/21 14:40	26.2	↑0.7
4/21 14:50	26.9	↑0.7
4/21 15:00	27.7	↑0.8
4/21 15:10	28.4	↑0.7
4/21 15:20	29.0	↑0.6
4/21 15:30	29.7	↑0.7
4/21 15:40	30.3	↑0.6
4/21 15:50	30.8	↑0.5
4/21 16:00	31.4	↑0.6
4/21 16:10	31.8	↑0.4
4/21 16:20	32.3	↑0.5
4/21 16:30	32.7	↑0.4
4/21 16:40	33.0	↑0.3
4/21 16:50	33.2	↑0.2
4/21 17:00	33.4	↑0.2
4/21 17:10	33.6	↑0.2
4/21 17:20	33.7	↑0.1	満潮
4/21 17:30	33.7	0
4/21 17:40	33.6	↓-0.1
4/21 17:50	33.5	↓-0.1
4/21 18:00	33.3	↓-0.2
4/21 18:10	33.0	↓-0.3
4/21 18:20	32.6	↓-0.4
4/21 18:30	32.2	↓-0.4
4/21 18:40	31.7	↓-0.5
4/21 18:50	31.2	↓-0.5
4/21 19:00	30.5	↓-0.7
4/21 19:10	29.8	↓-0.7
4/21 19:20	29.1	↓-0.7
4/21 19:30	28.3	↓-0.8
4/21 19:40	27.4	↓-0.9
4/21 19:50	26.5	↓-0.9
4/21 20:00	25.5	↓-1.0
4/21 20:10	24.5	↓-1.0
4/21 20:20	23.4	↓-1.1
4/21 20:30	22.3	↓-1.1
4/21 20:40	21.1	↓-1.2
4/21 20:50	20.0	↓-1.1
4/21 21:00	18.8	↓-1.2
4/21 21:10	17.5	↓-1.3	最大潮位差
4/21 21:20	16.3	↓-1.2
4/21 21:30	15.1	↓-1.2
4/21 21:40	13.8	↓-1.3	最大潮位差
4/21 21:50	12.6	↓-1.2
4/21 22:00	11.3	↓-1.3	最大潮位差
4/21 22:10	10.1	↓-1.2
4/21 22:20	8.9	↓-1.2
4/21 22:30	7.7	↓-1.2
4/21 22:40	6.5	↓-1.2
4/21 22:50	5.4	↓-1.1
4/21 23:00	4.2	↓-1.2
4/21 23:10	3.2	↓-1.0
4/21 23:20	2.1	↓-1.1
4/21 23:30	1.1	↓-1.0
4/21 23:40	0.2	↓-0.9
4/21 23:50	-0.7	↓-0.9