01 (木)	06:55	11:30	17:14	-
	17cm	11cm	23cm	-
中潮 出 05:23 入 18:05 出 22:29 入 07:28

江差／桧山（北海道）2021年04月01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
4/1 00:00	-6.4	↑0.1
4/1 00:10	-6.3	↑0.1
4/1 00:20	-6.2	↑0.1
4/1 00:30	-5.9	↑0.3
4/1 00:40	-5.6	↑0.3
4/1 00:50	-5.2	↑0.4
4/1 01:00	-4.8	↑0.4
4/1 01:10	-4.3	↑0.5
4/1 01:20	-3.8	↑0.5
4/1 01:30	-3.2	↑0.6
4/1 01:40	-2.5	↑0.7
4/1 01:50	-1.8	↑0.7
4/1 02:00	-1.1	↑0.7
4/1 02:10	-0.3	↑0.8
4/1 02:20	0.5	↑0.8
4/1 02:30	1.3	↑0.8
4/1 02:40	2.1	↑0.8
4/1 02:50	3.0	↑0.9
4/1 03:00	3.9	↑0.9
4/1 03:10	4.7	↑0.8
4/1 03:20	5.6	↑0.9
4/1 03:30	6.5	↑0.9
4/1 03:40	7.3	↑0.8
4/1 03:50	8.1	↑0.8
4/1 04:00	8.9	↑0.8
4/1 04:10	9.7	↑0.8
4/1 04:20	10.5	↑0.8
4/1 04:30	11.2	↑0.7
4/1 04:40	11.9	↑0.7
4/1 04:50	12.6	↑0.7
4/1 05:00	13.2	↑0.6
4/1 05:10	13.7	↑0.5
4/1 05:20	14.3	↑0.6
4/1 05:30	14.7	↑0.4
4/1 05:40	15.1	↑0.4
4/1 05:50	15.5	↑0.4
4/1 06:00	15.8	↑0.3
4/1 06:10	16.1	↑0.3
4/1 06:20	16.3	↑0.2
4/1 06:30	16.4	↑0.1
4/1 06:40	16.5	↑0.1
4/1 06:50	16.5	0	満潮
4/1 07:00	16.5	0
4/1 07:10	16.5	0
4/1 07:20	16.4	↓-0.1
4/1 07:30	16.3	↓-0.1
4/1 07:40	16.1	↓-0.2
4/1 07:50	15.9	↓-0.2
4/1 08:00	15.6	↓-0.3
4/1 08:10	15.4	↓-0.2
4/1 08:20	15.1	↓-0.3
4/1 08:30	14.8	↓-0.3
4/1 08:40	14.4	↓-0.4
4/1 08:50	14.1	↓-0.3
4/1 09:00	13.7	↓-0.4
4/1 09:10	13.4	↓-0.3
4/1 09:20	13.0	↓-0.4
4/1 09:30	12.7	↓-0.3
4/1 09:40	12.3	↓-0.4
4/1 09:50	12.0	↓-0.3
4/1 10:00	11.7	↓-0.3
4/1 10:10	11.4	↓-0.3
4/1 10:20	11.2	↓-0.2
4/1 10:30	10.9	↓-0.3
4/1 10:40	10.7	↓-0.2
4/1 10:50	10.5	↓-0.2
4/1 11:00	10.4	↓-0.1
4/1 11:10	10.3	↓-0.1
4/1 11:20	10.3	0	干潮
4/1 11:30	10.2	↓-0.1	干潮
4/1 11:40	10.3	↑0.1
4/1 11:50	10.3	0
4/1 12:00	10.4	↑0.1
4/1 12:10	10.6	↑0.2
4/1 12:20	10.8	↑0.2
4/1 12:30	11.0	↑0.2
4/1 12:40	11.3	↑0.3
4/1 12:50	11.6	↑0.3
4/1 13:00	12.0	↑0.4
4/1 13:10	12.4	↑0.4
4/1 13:20	12.8	↑0.4
4/1 13:30	13.2	↑0.4
4/1 13:40	13.7	↑0.5
4/1 13:50	14.2	↑0.5
4/1 14:00	14.7	↑0.5
4/1 14:10	15.2	↑0.5
4/1 14:20	15.7	↑0.5
4/1 14:30	16.3	↑0.6
4/1 14:40	16.8	↑0.5
4/1 14:50	17.4	↑0.6
4/1 15:00	17.9	↑0.5
4/1 15:10	18.4	↑0.5
4/1 15:20	18.9	↑0.5
4/1 15:30	19.4	↑0.5
4/1 15:40	19.8	↑0.4
4/1 15:50	20.2	↑0.4
4/1 16:00	20.6	↑0.4
4/1 16:10	21.0	↑0.4
4/1 16:20	21.3	↑0.3
4/1 16:30	21.5	↑0.2
4/1 16:40	21.7	↑0.2
4/1 16:50	21.9	↑0.2
4/1 17:00	22.0	↑0.1
4/1 17:10	22.0	0	満潮
4/1 17:20	22.0	0
4/1 17:30	22.0	0
4/1 17:40	21.8	↓-0.2
4/1 17:50	21.6	↓-0.2
4/1 18:00	21.4	↓-0.2
4/1 18:10	21.0	↓-0.4
4/1 18:20	20.6	↓-0.4
4/1 18:30	20.2	↓-0.4
4/1 18:40	19.7	↓-0.5
4/1 18:50	19.1	↓-0.6
4/1 19:00	18.5	↓-0.6
4/1 19:10	17.8	↓-0.7
4/1 19:20	17.1	↓-0.7
4/1 19:30	16.3	↓-0.8
4/1 19:40	15.5	↓-0.8
4/1 19:50	14.6	↓-0.9
4/1 20:00	13.7	↓-0.9
4/1 20:10	12.8	↓-0.9
4/1 20:20	11.9	↓-0.9
4/1 20:30	10.9	↓-1.0
4/1 20:40	9.9	↓-1.0
4/1 20:50	8.9	↓-1.0
4/1 21:00	7.8	↓-1.1	最大潮位差
4/1 21:10	6.8	↓-1.0
4/1 21:20	5.8	↓-1.0
4/1 21:30	4.8	↓-1.0
4/1 21:40	3.8	↓-1.0
4/1 21:50	2.8	↓-1.0
4/1 22:00	1.9	↓-0.9
4/1 22:10	0.9	↓-1.0
4/1 22:20	0.1	↓-0.8
4/1 22:30	-0.8	↓-0.9
4/1 22:40	-1.6	↓-0.8
4/1 22:50	-2.4	↓-0.8
4/1 23:00	-3.1	↓-0.7
4/1 23:10	-3.8	↓-0.7
4/1 23:20	-4.4	↓-0.6
4/1 23:30	-4.9	↓-0.5
4/1 23:40	-5.4	↓-0.5
4/1 23:50	-5.8	↓-0.4