20 (水)	00:17	08:37	15:05	18:07
	27cm	0cm	11cm	9cm
中潮 出 04:53 入 18:25 出 03:49 入 15:09 潮干狩り ◎ 05:13～13:28

江差／桧山（北海道）2039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	26.1	↑0.1
4/20 00:10	26.2	↑0.1	満潮
4/20 00:20	26.2	0
4/20 00:30	26.1	↓-0.1
4/20 00:40	26.1	0
4/20 00:50	25.9	↓-0.2
4/20 01:00	25.7	↓-0.2
4/20 01:10	25.5	↓-0.2
4/20 01:20	25.2	↓-0.3
4/20 01:30	24.9	↓-0.3
4/20 01:40	24.5	↓-0.4
4/20 01:50	24.0	↓-0.5
4/20 02:00	23.6	↓-0.4
4/20 02:10	23.0	↓-0.6
4/20 02:20	22.5	↓-0.5
4/20 02:30	21.9	↓-0.6
4/20 02:40	21.2	↓-0.7
4/20 02:50	20.6	↓-0.6
4/20 03:00	19.8	↓-0.8
4/20 03:10	19.1	↓-0.7
4/20 03:20	18.3	↓-0.8
4/20 03:30	17.5	↓-0.8
4/20 03:40	16.7	↓-0.8
4/20 03:50	15.9	↓-0.8
4/20 04:00	15.0	↓-0.9	最大潮位差
4/20 04:10	14.2	↓-0.8
4/20 04:20	13.3	↓-0.9	最大潮位差
4/20 04:30	12.5	↓-0.8
4/20 04:40	11.6	↓-0.9	最大潮位差
4/20 04:50	10.8	↓-0.8
4/20 05:00	9.9	↓-0.9	最大潮位差
4/20 05:10	9.1	↓-0.8
4/20 05:20	8.3	↓-0.8
4/20 05:30	7.5	↓-0.8
4/20 05:40	6.7	↓-0.8
4/20 05:50	6.0	↓-0.7
4/20 06:00	5.3	↓-0.7
4/20 06:10	4.6	↓-0.7
4/20 06:20	3.9	↓-0.7
4/20 06:30	3.3	↓-0.6
4/20 06:40	2.8	↓-0.5
4/20 06:50	2.2	↓-0.6
4/20 07:00	1.7	↓-0.5
4/20 07:10	1.3	↓-0.4
4/20 07:20	0.9	↓-0.4
4/20 07:30	0.6	↓-0.3
4/20 07:40	0.3	↓-0.3
4/20 07:50	0.1	↓-0.2
4/20 08:00	-0.1	↓-0.2
4/20 08:10	-0.3	↓-0.2
4/20 08:20	-0.4	↓-0.1
4/20 08:30	-0.4	0	干潮
4/20 08:40	-0.4	0
4/20 08:50	-0.4	0
4/20 09:00	-0.3	↑0.1
4/20 09:10	-0.2	↑0.1
4/20 09:20	0.0	↑0.2
4/20 09:30	0.2	0
4/20 09:40	0.4	↑0.2
4/20 09:50	0.7	↑0.3
4/20 10:00	1.0	↑0.3
4/20 10:10	1.3	↑0.3
4/20 10:20	1.7	↑0.4
4/20 10:30	2.1	↑0.4
4/20 10:40	2.5	↑0.4
4/20 10:50	2.9	↑0.4
4/20 11:00	3.3	↑0.4
4/20 11:10	3.7	↑0.4
4/20 11:20	4.1	↑0.4
4/20 11:30	4.6	↑0.5
4/20 11:40	5.0	↑0.4
4/20 11:50	5.4	↑0.4
4/20 12:00	5.8	↑0.4
4/20 12:10	6.3	↑0.5
4/20 12:20	6.7	↑0.4
4/20 12:30	7.0	↑0.3
4/20 12:40	7.4	↑0.4
4/20 12:50	7.7	↑0.3
4/20 13:00	8.1	↑0.4
4/20 13:10	8.4	↑0.3
4/20 13:20	8.7	↑0.3
4/20 13:30	8.9	↑0.2
4/20 13:40	9.1	↑0.2
4/20 13:50	9.3	↑0.2
4/20 14:00	9.5	↑0.2
4/20 14:10	9.7	↑0.2
4/20 14:20	9.8	↑0.1
4/20 14:30	9.9	↑0.1
4/20 14:40	9.9	0
4/20 14:50	10.0	↑0.1
4/20 15:00	10.0	0	満潮
4/20 15:10	10.0	0
4/20 15:20	10.0	0
4/20 15:30	9.9	↓-0.1
4/20 15:40	9.9	0
4/20 15:50	9.8	↓-0.1
4/20 16:00	9.7	↓-0.1
4/20 16:10	9.6	↓-0.1
4/20 16:20	9.5	↓-0.1
4/20 16:30	9.4	↓-0.1
4/20 16:40	9.3	↓-0.1
4/20 16:50	9.2	↓-0.1
4/20 17:00	9.1	↓-0.1
4/20 17:10	9.0	↓-0.1
4/20 17:20	8.9	↓-0.1
4/20 17:30	8.8	↓-0.1
4/20 17:40	8.8	0
4/20 17:50	8.7	↓-0.1
4/20 18:00	8.7	0	干潮
4/20 18:10	8.7	0
4/20 18:20	8.7	0
4/20 18:30	8.8	↑0.1
4/20 18:40	8.8	0
4/20 18:50	8.9	↑0.1
4/20 19:00	9.1	↑0.2
4/20 19:10	9.2	↑0.1
4/20 19:20	9.4	↑0.2
4/20 19:30	9.7	↑0.3
4/20 19:40	9.9	↑0.2
4/20 19:50	10.2	↑0.3
4/20 20:00	10.6	↑0.4
4/20 20:10	10.9	↑0.3
4/20 20:20	11.3	↑0.4
4/20 20:30	11.8	↑0.5
4/20 20:40	12.2	↑0.4
4/20 20:50	12.7	↑0.5
4/20 21:00	13.2	↑0.5
4/20 21:10	13.8	↑0.6
4/20 21:20	14.3	↑0.5
4/20 21:30	14.9	↑0.6
4/20 21:40	15.5	↑0.6
4/20 21:50	16.1	↑0.6
4/20 22:00	16.7	↑0.6
4/20 22:10	17.4	↑0.7
4/20 22:20	18.0	↑0.6
4/20 22:30	18.6	↑0.6
4/20 22:40	19.2	↑0.6
4/20 22:50	19.8	↑0.6
4/20 23:00	20.5	↑0.7
4/20 23:10	21.0	↑0.5
4/20 23:20	21.6	↑0.6
4/20 23:30	22.2	↑0.6
4/20 23:40	22.7	↑0.5
4/20 23:50	23.2	↑0.5