20 (木)	18:13	01:39	-	-
	30cm	-5cm	-	-
中潮 出 04:52 入 18:26 出 08:06 入 23:13 潮干狩り ◎ 04:52～06:48

江差／桧山（北海道）2056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	-2.3	↓-0.7
4/20 00:10	-2.9	↓-0.6
4/20 00:20	-3.4	↓-0.5
4/20 00:30	-3.9	↓-0.5
4/20 00:40	-4.3	↓-0.4
4/20 00:50	-4.6	↓-0.3
4/20 01:00	-4.9	↓-0.3
4/20 01:10	-5.1	↓-0.2
4/20 01:20	-5.2	↓-0.1
4/20 01:30	-5.3	↓-0.1	干潮
4/20 01:40	-5.3	0
4/20 01:50	-5.3	0
4/20 02:00	-5.2	↑0.1
4/20 02:10	-5.0	↑0.2
4/20 02:20	-4.8	↑0.2
4/20 02:30	-4.5	↑0.3
4/20 02:40	-4.2	↑0.3
4/20 02:50	-3.9	↑0.3
4/20 03:00	-3.5	↑0.4
4/20 03:10	-3.0	↑0.5
4/20 03:20	-2.5	↑0.5
4/20 03:30	-2.0	↑0.5
4/20 03:40	-1.5	↑0.5
4/20 03:50	-0.9	↑0.6
4/20 04:00	-0.3	↑0.6
4/20 04:10	0.2	↑0.5
4/20 04:20	0.9	↑0.7
4/20 04:30	1.5	↑0.6
4/20 04:40	2.1	↑0.6
4/20 04:50	2.7	↑0.6
4/20 05:00	3.3	↑0.6
4/20 05:10	3.9	↑0.6
4/20 05:20	4.5	↑0.6
4/20 05:30	5.1	↑0.6
4/20 05:40	5.7	↑0.6
4/20 05:50	6.2	↑0.5
4/20 06:00	6.7	↑0.5
4/20 06:10	7.2	↑0.5
4/20 06:20	7.7	↑0.5
4/20 06:30	8.2	↑0.5
4/20 06:40	8.6	↑0.4
4/20 06:50	9.0	↑0.4
4/20 07:00	9.3	↑0.3
4/20 07:10	9.7	↑0.4
4/20 07:20	9.9	↑0.2
4/20 07:30	10.2	↑0.3
4/20 07:40	10.5	↑0.3
4/20 07:50	10.7	↑0.2
4/20 08:00	10.8	↑0.1
4/20 08:10	11.0	↑0.2
4/20 08:20	11.1	↑0.1
4/20 08:30	11.2	↑0.1
4/20 08:40	11.3	↑0.1
4/20 08:50	11.4	↑0.1
4/20 09:00	11.4	0
4/20 09:10	11.5	↑0.1
4/20 09:20	11.5	0
4/20 09:30	11.5	0
4/20 09:40	11.5	0
4/20 09:50	11.5	0
4/20 10:00	11.6	↑0.1
4/20 10:10	11.6	0
4/20 10:20	11.6	0
4/20 10:30	11.6	0
4/20 10:40	11.7	↑0.1
4/20 10:50	11.7	0
4/20 11:00	11.8	↑0.1
4/20 11:10	11.9	↑0.1
4/20 11:20	12.0	↑0.1
4/20 11:30	12.1	↑0.1
4/20 11:40	12.3	↑0.2
4/20 11:50	12.5	↑0.2
4/20 12:00	12.7	↑0.2
4/20 12:10	13.0	↑0.3
4/20 12:20	13.3	↑0.3
4/20 12:30	13.6	↑0.3
4/20 12:40	13.9	↑0.3
4/20 12:50	14.3	↑0.4
4/20 13:00	14.7	↑0.4
4/20 13:10	15.1	↑0.4
4/20 13:20	15.6	↑0.5
4/20 13:30	16.1	↑0.5
4/20 13:40	16.6	↑0.5
4/20 13:50	17.1	↑0.5
4/20 14:00	17.7	↑0.6
4/20 14:10	18.3	↑0.6
4/20 14:20	18.9	↑0.6
4/20 14:30	19.5	↑0.6
4/20 14:40	20.1	↑0.6
4/20 14:50	20.8	↑0.7
4/20 15:00	21.4	↑0.6
4/20 15:10	22.0	↑0.6
4/20 15:20	22.7	↑0.7
4/20 15:30	23.3	↑0.6
4/20 15:40	23.9	↑0.6
4/20 15:50	24.5	↑0.6
4/20 16:00	25.1	↑0.6
4/20 16:10	25.7	↑0.6
4/20 16:20	26.2	↑0.5
4/20 16:30	26.7	↑0.5
4/20 16:40	27.2	↑0.5
4/20 16:50	27.7	↑0.5
4/20 17:00	28.1	↑0.4
4/20 17:10	28.4	↑0.3
4/20 17:20	28.7	↑0.3
4/20 17:30	29.0	↑0.3
4/20 17:40	29.2	↑0.2
4/20 17:50	29.4	↑0.2
4/20 18:00	29.5	↑0.1
4/20 18:10	29.5	0	満潮
4/20 18:20	29.5	0
4/20 18:30	29.4	↓-0.1
4/20 18:40	29.3	↓-0.1
4/20 18:50	29.1	↓-0.2
4/20 19:00	28.8	↓-0.3
4/20 19:10	28.5	↓-0.3
4/20 19:20	28.1	↓-0.4
4/20 19:30	27.6	↓-0.5
4/20 19:40	27.1	↓-0.5
4/20 19:50	26.5	↓-0.6
4/20 20:00	25.9	↓-0.6
4/20 20:10	25.2	↓-0.7
4/20 20:20	24.5	↓-0.7
4/20 20:30	23.7	↓-0.8
4/20 20:40	22.9	↓-0.8
4/20 20:50	22.0	↓-0.9
4/20 21:00	21.1	↓-0.9
4/20 21:10	20.2	↓-0.9
4/20 21:20	19.2	↓-1.0
4/20 21:30	18.2	↓-1.0
4/20 21:40	17.2	↓-1.0
4/20 21:50	16.2	↓-1.0
4/20 22:00	15.1	↓-1.1	最大潮位差
4/20 22:10	14.0	↓-1.1	最大潮位差
4/20 22:20	13.0	↓-1.0
4/20 22:30	11.9	↓-1.1	最大潮位差
4/20 22:40	10.8	↓-1.1	最大潮位差
4/20 22:50	9.8	↓-1.0
4/20 23:00	8.7	↓-1.1	最大潮位差
4/20 23:10	7.7	↓-1.0
4/20 23:20	6.7	↓-1.0
4/20 23:30	5.7	↓-1.0
4/20 23:40	4.8	↓-0.9
4/20 23:50	3.8	↓-1.0