21 (日)	18:00	01:47	-	-
	33cm	-7cm	-	-
中潮 出 04:51 入 18:27 出 23:51 入 07:33 潮干狩り ◎ 04:51～08:04

江差／桧山（北海道）2041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	-3.5	↓-0.7
4/21 00:10	-4.2	↓-0.7
4/21 00:20	-4.7	↓-0.5
4/21 00:30	-5.3	↓-0.6
4/21 00:40	-5.7	↓-0.4
4/21 00:50	-6.1	↓-0.4
4/21 01:00	-6.4	↓-0.3
4/21 01:10	-6.7	↓-0.3
4/21 01:20	-6.9	↓-0.2
4/21 01:30	-7.0	↓-0.1
4/21 01:40	-7.1	↓-0.1	干潮
4/21 01:50	-7.1	0
4/21 02:00	-7.0	↑0.1
4/21 02:10	-6.9	↑0.1
4/21 02:20	-6.7	↑0.2
4/21 02:30	-6.5	↑0.2
4/21 02:40	-6.3	↑0.2
4/21 02:50	-5.9	↑0.4
4/21 03:00	-5.6	↑0.3
4/21 03:10	-5.2	↑0.4
4/21 03:20	-4.7	↑0.5
4/21 03:30	-4.3	↑0.4
4/21 03:40	-3.8	↑0.5
4/21 03:50	-3.2	↑0.6
4/21 04:00	-2.7	↑0.5
4/21 04:10	-2.1	↑0.6
4/21 04:20	-1.6	↑0.5
4/21 04:30	-1.0	↑0.6
4/21 04:40	-0.4	↑0.6
4/21 04:50	0.2	↑0.6
4/21 05:00	0.8	↑0.6
4/21 05:10	1.4	↑0.6
4/21 05:20	2.0	↑0.6
4/21 05:30	2.5	↑0.5
4/21 05:40	3.1	↑0.6
4/21 05:50	3.7	↑0.6
4/21 06:00	4.2	↑0.5
4/21 06:10	4.7	↑0.5
4/21 06:20	5.2	↑0.5
4/21 06:30	5.6	↑0.4
4/21 06:40	6.1	↑0.5
4/21 06:50	6.5	↑0.4
4/21 07:00	6.9	↑0.4
4/21 07:10	7.3	↑0.4
4/21 07:20	7.6	↑0.3
4/21 07:30	7.9	↑0.3
4/21 07:40	8.2	↑0.3
4/21 07:50	8.5	↑0.3
4/21 08:00	8.8	↑0.3
4/21 08:10	9.0	↑0.2
4/21 08:20	9.2	↑0.2
4/21 08:30	9.4	↑0.2
4/21 08:40	9.6	↑0.2
4/21 08:50	9.8	↑0.2
4/21 09:00	9.9	↑0.1
4/21 09:10	10.1	↑0.2
4/21 09:20	10.2	↑0.1
4/21 09:30	10.4	↑0.2
4/21 09:40	10.5	↑0.1
4/21 09:50	10.7	↑0.2
4/21 10:00	10.8	↑0.1
4/21 10:10	11.0	↑0.2
4/21 10:20	11.2	↑0.2
4/21 10:30	11.3	↑0.1
4/21 10:40	11.5	↑0.2
4/21 10:50	11.7	↑0.2
4/21 11:00	12.0	↑0.3
4/21 11:10	12.2	↑0.2
4/21 11:20	12.5	↑0.3
4/21 11:30	12.8	↑0.3
4/21 11:40	13.1	↑0.3
4/21 11:50	13.5	↑0.4
4/21 12:00	13.9	↑0.4
4/21 12:10	14.3	↑0.4
4/21 12:20	14.7	↑0.4
4/21 12:30	15.2	↑0.5
4/21 12:40	15.7	↑0.5
4/21 12:50	16.2	↑0.5
4/21 13:00	16.7	↑0.5
4/21 13:10	17.3	↑0.6
4/21 13:20	17.9	↑0.6
4/21 13:30	18.5	↑0.6
4/21 13:40	19.1	↑0.6
4/21 13:50	19.8	↑0.7
4/21 14:00	20.5	↑0.7
4/21 14:10	21.1	↑0.6
4/21 14:20	21.8	↑0.7
4/21 14:30	22.5	↑0.7
4/21 14:40	23.2	↑0.7
4/21 14:50	23.9	↑0.7
4/21 15:00	24.6	↑0.7
4/21 15:10	25.3	↑0.7
4/21 15:20	26.0	↑0.7
4/21 15:30	26.7	↑0.7
4/21 15:40	27.3	↑0.6
4/21 15:50	27.9	↑0.6
4/21 16:00	28.5	↑0.6
4/21 16:10	29.1	↑0.6
4/21 16:20	29.6	↑0.5
4/21 16:30	30.1	↑0.5
4/21 16:40	30.6	↑0.5
4/21 16:50	31.0	↑0.4
4/21 17:00	31.4	↑0.4
4/21 17:10	31.7	↑0.3
4/21 17:20	31.9	↑0.2
4/21 17:30	32.1	↑0.2
4/21 17:40	32.3	↑0.2
4/21 17:50	32.4	↑0.1	満潮
4/21 18:00	32.4	0	満潮
4/21 18:10	32.4	0
4/21 18:20	32.3	↓-0.1
4/21 18:30	32.1	↓-0.2
4/21 18:40	31.9	↓-0.2
4/21 18:50	31.6	↓-0.3
4/21 19:00	31.2	↓-0.4
4/21 19:10	30.8	↓-0.4
4/21 19:20	30.3	↓-0.5
4/21 19:30	29.7	↓-0.6
4/21 19:40	29.1	↓-0.6
4/21 19:50	28.4	↓-0.7
4/21 20:00	27.7	↓-0.7
4/21 20:10	26.9	↓-0.8
4/21 20:20	26.1	↓-0.8
4/21 20:30	25.2	↓-0.9
4/21 20:40	24.2	↓-1.0
4/21 20:50	23.3	↓-0.9
4/21 21:00	22.3	↓-1.0
4/21 21:10	21.2	↓-1.1
4/21 21:20	20.1	↓-1.1
4/21 21:30	19.0	↓-1.1
4/21 21:40	17.9	↓-1.1
4/21 21:50	16.8	↓-1.1
4/21 22:00	15.6	↓-1.2	最大潮位差
4/21 22:10	14.4	↓-1.2	最大潮位差
4/21 22:20	13.3	↓-1.1
4/21 22:30	12.1	↓-1.2	最大潮位差
4/21 22:40	10.9	↓-1.2	最大潮位差
4/21 22:50	9.8	↓-1.1
4/21 23:00	8.7	↓-1.1
4/21 23:10	7.6	↓-1.1
4/21 23:20	6.5	↓-1.1
4/21 23:30	5.4	↓-1.1
4/21 23:40	4.4	↓-1.0
4/21 23:50	3.4	↓-1.0