20 (水)	07:59	00:25	17:06	09:58
	14cm	-7cm	31cm	14cm
中潮 出 04:53 入 18:25 出 22:51 入 06:53

江差／桧山（北海道）2022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	-7.2	↓-0.2
4/20 00:10	-7.3	↓-0.1
4/20 00:20	-7.4	↓-0.1	干潮
4/20 00:30	-7.4	0
4/20 00:40	-7.3	↑0.1
4/20 00:50	-7.1	↑0.2
4/20 01:00	-6.9	↑0.2
4/20 01:10	-6.6	↑0.3
4/20 01:20	-6.3	↑0.3
4/20 01:30	-5.9	↑0.4
4/20 01:40	-5.5	↑0.4
4/20 01:50	-4.9	↑0.6
4/20 02:00	-4.4	↑0.5
4/20 02:10	-3.8	↑0.6
4/20 02:20	-3.2	↑0.6
4/20 02:30	-2.5	↑0.7
4/20 02:40	-1.8	↑0.7
4/20 02:50	-1.1	↑0.7
4/20 03:00	-0.3	↑0.8
4/20 03:10	0.4	↑0.7
4/20 03:20	1.2	↑0.8
4/20 03:30	2.0	↑0.8
4/20 03:40	2.7	↑0.7
4/20 03:50	3.5	↑0.8
4/20 04:00	4.3	↑0.8
4/20 04:10	5.0	↑0.7
4/20 04:20	5.7	↑0.7
4/20 04:30	6.4	↑0.7
4/20 04:40	7.1	↑0.7
4/20 04:50	7.8	↑0.7
4/20 05:00	8.4	↑0.6
4/20 05:10	9.0	↑0.6
4/20 05:20	9.6	↑0.6
4/20 05:30	10.1	↑0.5
4/20 05:40	10.6	↑0.5
4/20 05:50	11.1	↑0.5
4/20 06:00	11.5	↑0.4
4/20 06:10	11.9	↑0.4
4/20 06:20	12.2	↑0.3
4/20 06:30	12.5	↑0.3
4/20 06:40	12.8	↑0.3
4/20 06:50	13.0	↑0.2
4/20 07:00	13.2	↑0.2
4/20 07:10	13.3	↑0.1
4/20 07:20	13.4	↑0.1
4/20 07:30	13.5	↑0.1
4/20 07:40	13.6	↑0.1
4/20 07:50	13.6	0	満潮
4/20 08:00	13.6	0
4/20 08:10	13.6	0
4/20 08:20	13.6	0
4/20 08:30	13.5	↓-0.1
4/20 08:40	13.5	0
4/20 08:50	13.4	↓-0.1
4/20 09:00	13.4	0
4/20 09:10	13.3	↓-0.1
4/20 09:20	13.2	↓-0.1
4/20 09:30	13.2	0
4/20 09:40	13.2	0
4/20 09:50	13.1	↓-0.1	干潮
4/20 10:00	13.1	0
4/20 10:10	13.2	↑0.1
4/20 10:20	13.2	0
4/20 10:30	13.3	↑0.1
4/20 10:40	13.4	↑0.1
4/20 10:50	13.5	↑0.1
4/20 11:00	13.6	↑0.1
4/20 11:10	13.8	↑0.2
4/20 11:20	14.1	↑0.3
4/20 11:30	14.3	↑0.2
4/20 11:40	14.6	↑0.3
4/20 11:50	15.0	↑0.4
4/20 12:00	15.3	↑0.3
4/20 12:10	15.7	↑0.4
4/20 12:20	16.2	↑0.5
4/20 12:30	16.6	↑0.4
4/20 12:40	17.1	↑0.5
4/20 12:50	17.7	↑0.6
4/20 13:00	18.2	↑0.5
4/20 13:10	18.8	↑0.6
4/20 13:20	19.4	↑0.6
4/20 13:30	20.0	↑0.6
4/20 13:40	20.7	↑0.7
4/20 13:50	21.3	↑0.6
4/20 14:00	22.0	↑0.7
4/20 14:10	22.6	↑0.6
4/20 14:20	23.3	↑0.7
4/20 14:30	23.9	↑0.6
4/20 14:40	24.6	↑0.7
4/20 14:50	25.2	↑0.6
4/20 15:00	25.8	↑0.6
4/20 15:10	26.4	↑0.6
4/20 15:20	26.9	↑0.5
4/20 15:30	27.5	↑0.6
4/20 15:40	28.0	↑0.5
4/20 15:50	28.4	↑0.4
4/20 16:00	28.8	↑0.4
4/20 16:10	29.2	↑0.4
4/20 16:20	29.5	↑0.3
4/20 16:30	29.7	↑0.2
4/20 16:40	29.9	↑0.2
4/20 16:50	30.0	↑0.1
4/20 17:00	30.1	↑0.1	満潮
4/20 17:10	30.1	0
4/20 17:20	30.0	↓-0.1
4/20 17:30	29.9	↓-0.1
4/20 17:40	29.7	↓-0.2
4/20 17:50	29.4	↓-0.3
4/20 18:00	29.1	↓-0.3
4/20 18:10	28.6	↓-0.5
4/20 18:20	28.2	↓-0.4
4/20 18:30	27.6	↓-0.6
4/20 18:40	27.0	↓-0.6
4/20 18:50	26.3	↓-0.7
4/20 19:00	25.6	↓-0.7
4/20 19:10	24.8	↓-0.8
4/20 19:20	23.9	↓-0.9
4/20 19:30	23.0	↓-0.9
4/20 19:40	22.0	↓-1.0
4/20 19:50	21.0	↓-1.0
4/20 20:00	20.0	↓-1.0
4/20 20:10	18.9	↓-1.1
4/20 20:20	17.8	↓-1.1
4/20 20:30	16.6	↓-1.2	最大潮位差
4/20 20:40	15.5	↓-1.1
4/20 20:50	14.3	↓-1.2	最大潮位差
4/20 21:00	13.1	↓-1.2	最大潮位差
4/20 21:10	11.9	↓-1.2	最大潮位差
4/20 21:20	10.7	↓-1.2	最大潮位差
4/20 21:30	9.5	↓-1.2	最大潮位差
4/20 21:40	8.3	↓-1.2	最大潮位差
4/20 21:50	7.1	↓-1.2	最大潮位差
4/20 22:00	5.9	↓-1.2	最大潮位差
4/20 22:10	4.8	↓-1.1
4/20 22:20	3.7	↓-1.1
4/20 22:30	2.6	↓-1.1
4/20 22:40	1.6	↓-1.0
4/20 22:50	0.6	↓-1.0
4/20 23:00	-0.3	↓-0.9
4/20 23:10	-1.2	↓-0.9
4/20 23:20	-2.1	↓-0.9
4/20 23:30	-2.8	↓-0.7
4/20 23:40	-3.6	↓-0.8
4/20 23:50	-4.2	↓-0.6