13 (木)	07:46	00:15	16:55	09:31
	12cm	-8cm	31cm	12cm
中潮 出 05:03 入 18:18 出 23:04 入 06:59

江差／桧山（北海道）2028年04月13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
4/13 00:00	-8.5	↓-0.2
4/13 00:10	-8.5	0	干潮
4/13 00:20	-8.5	0
4/13 00:30	-8.4	↑0.1
4/13 00:40	-8.3	↑0.1
4/13 00:50	-8.1	↑0.2
4/13 01:00	-7.8	↑0.3
4/13 01:10	-7.5	↑0.3
4/13 01:20	-7.1	↑0.4
4/13 01:30	-6.6	↑0.5
4/13 01:40	-6.1	↑0.5
4/13 01:50	-5.6	↑0.5
4/13 02:00	-5.0	↑0.6
4/13 02:10	-4.4	↑0.6
4/13 02:20	-3.7	↑0.7
4/13 02:30	-3.1	↑0.6
4/13 02:40	-2.4	↑0.7
4/13 02:50	-1.6	↑0.8
4/13 03:00	-0.9	↑0.7
4/13 03:10	-0.2	↑0.7
4/13 03:20	0.6	↑0.8
4/13 03:30	1.3	↑0.7
4/13 03:40	2.1	↑0.8
4/13 03:50	2.8	↑0.7
4/13 04:00	3.6	↑0.8
4/13 04:10	4.3	↑0.7
4/13 04:20	4.9	↑0.6
4/13 04:30	5.6	↑0.7
4/13 04:40	6.2	↑0.6
4/13 04:50	6.8	↑0.6
4/13 05:00	7.4	↑0.6
4/13 05:10	8.0	↑0.6
4/13 05:20	8.5	↑0.5
4/13 05:30	8.9	↑0.4
4/13 05:40	9.4	↑0.5
4/13 05:50	9.7	↑0.3
4/13 06:00	10.1	↑0.4
4/13 06:10	10.4	↑0.3
4/13 06:20	10.7	↑0.3
4/13 06:30	10.9	↑0.2
4/13 06:40	11.1	↑0.2
4/13 06:50	11.3	↑0.2
4/13 07:00	11.4	↑0.1
4/13 07:10	11.5	↑0.1
4/13 07:20	11.6	↑0.1
4/13 07:30	11.6	0
4/13 07:40	11.6	0	満潮
4/13 07:50	11.6	0
4/13 08:00	11.6	0
4/13 08:10	11.6	0
4/13 08:20	11.5	↓-0.1
4/13 08:30	11.5	0
4/13 08:40	11.5	0
4/13 08:50	11.4	↓-0.1
4/13 09:00	11.4	0
4/13 09:10	11.3	↓-0.1
4/13 09:20	11.3	0
4/13 09:30	11.3	0	干潮
4/13 09:40	11.3	0
4/13 09:50	11.3	0
4/13 10:00	11.4	↑0.1
4/13 10:10	11.5	↑0.1
4/13 10:20	11.6	↑0.1
4/13 10:30	11.7	↑0.1
4/13 10:40	11.9	↑0.2
4/13 10:50	12.1	↑0.2
4/13 11:00	12.3	↑0.2
4/13 11:10	12.6	↑0.3
4/13 11:20	13.0	↑0.4
4/13 11:30	13.3	↑0.3
4/13 11:40	13.7	↑0.4
4/13 11:50	14.1	↑0.4
4/13 12:00	14.6	↑0.5
4/13 12:10	15.1	↑0.5
4/13 12:20	15.6	↑0.5
4/13 12:30	16.2	↑0.6
4/13 12:40	16.8	↑0.6
4/13 12:50	17.4	↑0.6
4/13 13:00	18.1	↑0.7
4/13 13:10	18.7	↑0.6
4/13 13:20	19.4	↑0.7
4/13 13:30	20.1	↑0.7
4/13 13:40	20.8	↑0.7
4/13 13:50	21.5	↑0.7
4/13 14:00	22.3	↑0.8
4/13 14:10	23.0	↑0.7
4/13 14:20	23.7	↑0.7
4/13 14:30	24.3	↑0.6
4/13 14:40	25.0	↑0.7
4/13 14:50	25.7	↑0.7
4/13 15:00	26.3	↑0.6
4/13 15:10	26.9	↑0.6
4/13 15:20	27.4	↑0.5
4/13 15:30	27.9	↑0.5
4/13 15:40	28.4	↑0.5
4/13 15:50	28.8	↑0.4
4/13 16:00	29.2	↑0.4
4/13 16:10	29.5	↑0.3
4/13 16:20	29.8	↑0.3
4/13 16:30	30.0	↑0.2
4/13 16:40	30.1	↑0.1
4/13 16:50	30.2	↑0.1	満潮
4/13 17:00	30.2	0
4/13 17:10	30.1	↓-0.1
4/13 17:20	29.9	↓-0.2
4/13 17:30	29.7	↓-0.2
4/13 17:40	29.4	↓-0.3
4/13 17:50	29.0	↓-0.4
4/13 18:00	28.6	↓-0.4
4/13 18:10	28.1	↓-0.5
4/13 18:20	27.5	↓-0.6
4/13 18:30	26.9	↓-0.6
4/13 18:40	26.2	↓-0.7
4/13 18:50	25.4	↓-0.8
4/13 19:00	24.6	↓-0.8
4/13 19:10	23.7	↓-0.9
4/13 19:20	22.7	↓-1.0
4/13 19:30	21.7	↓-1.0
4/13 19:40	20.7	↓-1.0
4/13 19:50	19.6	↓-1.1
4/13 20:00	18.4	↓-1.2
4/13 20:10	17.3	↓-1.1
4/13 20:20	16.1	↓-1.2
4/13 20:30	14.9	↓-1.2
4/13 20:40	13.7	↓-1.2
4/13 20:50	12.4	↓-1.3	最大潮位差
4/13 21:00	11.2	↓-1.2
4/13 21:10	10.0	↓-1.2
4/13 21:20	8.7	↓-1.3	最大潮位差
4/13 21:30	7.5	↓-1.2
4/13 21:40	6.3	↓-1.2
4/13 21:50	5.1	↓-1.2
4/13 22:00	4.0	↓-1.1
4/13 22:10	2.8	↓-1.2
4/13 22:20	1.7	↓-1.1
4/13 22:30	0.7	↓-1.0
4/13 22:40	-0.3	↓-1.0
4/13 22:50	-1.3	↓-1.0
4/13 23:00	-2.2	↓-0.9
4/13 23:10	-3.0	↓-0.8
4/13 23:20	-3.8	↓-0.8
4/13 23:30	-4.5	↓-0.7
4/13 23:40	-5.2	↓-0.7
4/13 23:50	-5.8	↓-0.6