2 (金)	08:02	00:49	17:48	11:19
	13cm	-6cm	25cm	11cm
中潮 出 05:21 入 18:06 出 23:44 入 08:08

江差／桧山（北海道）2021年04月2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
4/2 00:00	-6.2	↓-0.4
4/2 00:10	-6.5	↓-0.3
4/2 00:20	-6.7	↓-0.2
4/2 00:30	-6.9	↓-0.2
4/2 00:40	-7.0	↓-0.1	干潮
4/2 00:50	-7.0	0
4/2 01:00	-6.9	↑0.1
4/2 01:10	-6.8	↑0.1
4/2 01:20	-6.7	↑0.1
4/2 01:30	-6.4	↑0.3
4/2 01:40	-6.1	↑0.3
4/2 01:50	-5.8	↑0.3
4/2 02:00	-5.4	↑0.4
4/2 02:10	-4.9	↑0.5
4/2 02:20	-4.4	↑0.5
4/2 02:30	-3.9	↑0.5
4/2 02:40	-3.3	↑0.6
4/2 02:50	-2.7	↑0.6
4/2 03:00	-2.0	↑0.7
4/2 03:10	-1.3	↑0.7
4/2 03:20	-0.6	↑0.7
4/2 03:30	0.1	↑0.7
4/2 03:40	0.8	↑0.7
4/2 03:50	1.6	↑0.8
4/2 04:00	2.3	↑0.7
4/2 04:10	3.1	↑0.8
4/2 04:20	3.8	↑0.7
4/2 04:30	4.6	↑0.8
4/2 04:40	5.3	↑0.7
4/2 04:50	6.0	↑0.7
4/2 05:00	6.7	↑0.7
4/2 05:10	7.3	↑0.6
4/2 05:20	7.9	↑0.6
4/2 05:30	8.5	↑0.6
4/2 05:40	9.1	↑0.6
4/2 05:50	9.6	↑0.5
4/2 06:00	10.1	↑0.5
4/2 06:10	10.6	↑0.5
4/2 06:20	11.0	↑0.4
4/2 06:30	11.4	↑0.4
4/2 06:40	11.7	↑0.3
4/2 06:50	12.0	↑0.3
4/2 07:00	12.3	↑0.3
4/2 07:10	12.5	↑0.2
4/2 07:20	12.6	↑0.1
4/2 07:30	12.8	↑0.2
4/2 07:40	12.9	↑0.1
4/2 07:50	12.9	0
4/2 08:00	12.9	0	満潮
4/2 08:10	12.9	0
4/2 08:20	12.9	0
4/2 08:30	12.8	↓-0.1
4/2 08:40	12.7	↓-0.1
4/2 08:50	12.6	↓-0.1
4/2 09:00	12.5	↓-0.1
4/2 09:10	12.3	↓-0.2
4/2 09:20	12.2	↓-0.1
4/2 09:30	12.0	↓-0.2
4/2 09:40	11.9	↓-0.1
4/2 09:50	11.7	↓-0.2
4/2 10:00	11.5	↓-0.2
4/2 10:10	11.4	↓-0.1
4/2 10:20	11.3	↓-0.1
4/2 10:30	11.1	↓-0.2
4/2 10:40	11.0	↓-0.1
4/2 10:50	10.9	↓-0.1
4/2 11:00	10.9	0
4/2 11:10	10.8	↓-0.1	干潮
4/2 11:20	10.8	0
4/2 11:30	10.9	↑0.1
4/2 11:40	10.9	0
4/2 11:50	11.0	↑0.1
4/2 12:00	11.1	↑0.1
4/2 12:10	11.3	↑0.2
4/2 12:20	11.5	↑0.2
4/2 12:30	11.7	↑0.2
4/2 12:40	12.0	↑0.3
4/2 12:50	12.3	↑0.3
4/2 13:00	12.6	↑0.3
4/2 13:10	13.0	↑0.4
4/2 13:20	13.4	↑0.4
4/2 13:30	13.8	↑0.4
4/2 13:40	14.2	↑0.4
4/2 13:50	14.7	↑0.5
4/2 14:00	15.2	↑0.5
4/2 14:10	15.8	↑0.6
4/2 14:20	16.3	↑0.5
4/2 14:30	16.9	↑0.6
4/2 14:40	17.4	↑0.5
4/2 14:50	18.0	↑0.6
4/2 15:00	18.6	↑0.6
4/2 15:10	19.1	↑0.5
4/2 15:20	19.7	↑0.6
4/2 15:30	20.2	↑0.5
4/2 15:40	20.8	↑0.6
4/2 15:50	21.3	↑0.5
4/2 16:00	21.8	↑0.5
4/2 16:10	22.3	↑0.5
4/2 16:20	22.7	↑0.4
4/2 16:30	23.1	↑0.4
4/2 16:40	23.5	↑0.4
4/2 16:50	23.8	↑0.3
4/2 17:00	24.1	↑0.3
4/2 17:10	24.3	↑0.2
4/2 17:20	24.5	↑0.2
4/2 17:30	24.6	↑0.1
4/2 17:40	24.7	↑0.1	満潮
4/2 17:50	24.7	0
4/2 18:00	24.7	0
4/2 18:10	24.6	↓-0.1
4/2 18:20	24.4	↓-0.2
4/2 18:30	24.2	↓-0.2
4/2 18:40	23.9	↓-0.3
4/2 18:50	23.5	↓-0.4
4/2 19:00	23.1	↓-0.4
4/2 19:10	22.6	↓-0.5
4/2 19:20	22.1	↓-0.5
4/2 19:30	21.5	↓-0.6
4/2 19:40	20.9	↓-0.6
4/2 19:50	20.2	↓-0.7
4/2 20:00	19.4	↓-0.8
4/2 20:10	18.6	↓-0.8
4/2 20:20	17.8	↓-0.8
4/2 20:30	16.9	↓-0.9
4/2 20:40	16.0	↓-0.9
4/2 20:50	15.0	↓-1.0
4/2 21:00	14.1	↓-0.9
4/2 21:10	13.1	↓-1.0
4/2 21:20	12.1	↓-1.0
4/2 21:30	11.0	↓-1.1	最大潮位差
4/2 21:40	10.0	↓-1.0
4/2 21:50	8.9	↓-1.1	最大潮位差
4/2 22:00	7.9	↓-1.0
4/2 22:10	6.9	↓-1.0
4/2 22:20	5.8	↓-1.1	最大潮位差
4/2 22:30	4.8	↓-1.0
4/2 22:40	3.8	↓-1.0
4/2 22:50	2.8	↓-1.0
4/2 23:00	1.9	↓-0.9
4/2 23:10	1.0	↓-0.9
4/2 23:20	0.1	↓-0.9
4/2 23:30	-0.7	↓-0.8
4/2 23:40	-1.5	↓-0.8
4/2 23:50	-2.3	↓-0.8