20 (木)	10:51	03:20	20:19	13:00
	13cm	0cm	24cm	12cm
小潮 出 06:28 入 17:19 出 10:48 入 01:13 潮干狩り ○ 06:28～07:47

江差／桧山（北海道）2059年02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
2/20 00:00	7.6	↓-0.7
2/20 00:10	6.9	↓-0.7
2/20 00:20	6.2	↓-0.7
2/20 00:30	5.6	↓-0.6
2/20 00:40	4.9	↓-0.7
2/20 00:50	4.3	↓-0.6
2/20 01:00	3.7	↓-0.6
2/20 01:10	3.2	↓-0.5
2/20 01:20	2.7	↓-0.5
2/20 01:30	2.2	↓-0.5
2/20 01:40	1.7	↓-0.5
2/20 01:50	1.3	↓-0.4
2/20 02:00	0.9	↓-0.4
2/20 02:10	0.6	↓-0.3
2/20 02:20	0.3	↓-0.3
2/20 02:30	0.1	↓-0.2
2/20 02:40	-0.1	↓-0.2
2/20 02:50	-0.3	↓-0.2
2/20 03:00	-0.4	↓-0.1
2/20 03:10	-0.4	0	干潮
2/20 03:20	-0.5	↓-0.1	干潮
2/20 03:30	-0.4	↑0.1
2/20 03:40	-0.4	0
2/20 03:50	-0.2	↑0.2
2/20 04:00	-0.1	↑0.1
2/20 04:10	0.1	↑0.2
2/20 04:20	0.3	↑0.2
2/20 04:30	0.6	↑0.3
2/20 04:40	0.9	↑0.3
2/20 04:50	1.2	↑0.3
2/20 05:00	1.5	↑0.3
2/20 05:10	1.9	↑0.4
2/20 05:20	2.3	↑0.4
2/20 05:30	2.7	↑0.4
2/20 05:40	3.2	↑0.5
2/20 05:50	3.6	↑0.4
2/20 06:00	4.1	↑0.5
2/20 06:10	4.5	↑0.4
2/20 06:20	5.0	↑0.5
2/20 06:30	5.5	↑0.5
2/20 06:40	5.9	↑0.4
2/20 06:50	6.4	↑0.5
2/20 07:00	6.9	↑0.5
2/20 07:10	7.3	↑0.4
2/20 07:20	7.7	↑0.4
2/20 07:30	8.2	↑0.5
2/20 07:40	8.6	↑0.4
2/20 07:50	9.0	↑0.4
2/20 08:00	9.4	↑0.4
2/20 08:10	9.7	↑0.3
2/20 08:20	10.1	↑0.4
2/20 08:30	10.4	↑0.3
2/20 08:40	10.7	↑0.3
2/20 08:50	10.9	↑0.2
2/20 09:00	11.2	↑0.3
2/20 09:10	11.4	↑0.2
2/20 09:20	11.6	↑0.2
2/20 09:30	11.7	↑0.1
2/20 09:40	11.9	↑0.2
2/20 09:50	12.0	↑0.1
2/20 10:00	12.1	↑0.1
2/20 10:10	12.2	↑0.1
2/20 10:20	12.2	0
2/20 10:30	12.3	↑0.1
2/20 10:40	12.3	0
2/20 10:50	12.3	0	満潮
2/20 11:00	12.3	0
2/20 11:10	12.3	0
2/20 11:20	12.3	0
2/20 11:30	12.2	↓-0.1
2/20 11:40	12.2	0
2/20 11:50	12.1	↓-0.1
2/20 12:00	12.1	0
2/20 12:10	12.1	0
2/20 12:20	12.0	↓-0.1
2/20 12:30	12.0	0
2/20 12:40	12.0	0
2/20 12:50	11.9	↓-0.1	干潮
2/20 13:00	11.9	0	干潮
2/20 13:10	11.9	0
2/20 13:20	12.0	↑0.1
2/20 13:30	12.0	0
2/20 13:40	12.1	↑0.1
2/20 13:50	12.1	0
2/20 14:00	12.2	↑0.1
2/20 14:10	12.4	↑0.2
2/20 14:20	12.5	↑0.1
2/20 14:30	12.7	↑0.2
2/20 14:40	12.9	↑0.2
2/20 14:50	13.1	↑0.2
2/20 15:00	13.3	↑0.2
2/20 15:10	13.6	↑0.3
2/20 15:20	13.8	↑0.2
2/20 15:30	14.1	↑0.3
2/20 15:40	14.4	↑0.3
2/20 15:50	14.8	↑0.4
2/20 16:00	15.1	↑0.3
2/20 16:10	15.5	↑0.4
2/20 16:20	15.9	↑0.4
2/20 16:30	16.3	↑0.4
2/20 16:40	16.7	↑0.4
2/20 16:50	17.1	↑0.4
2/20 17:00	17.5	↑0.4
2/20 17:10	18.0	↑0.5
2/20 17:20	18.4	↑0.4
2/20 17:30	18.8	↑0.4
2/20 17:40	19.2	↑0.4
2/20 17:50	19.6	↑0.4
2/20 18:00	20.0	↑0.4
2/20 18:10	20.4	↑0.4
2/20 18:20	20.8	↑0.4
2/20 18:30	21.2	↑0.4
2/20 18:40	21.5	↑0.3
2/20 18:50	21.8	↑0.3
2/20 19:00	22.1	↑0.3
2/20 19:10	22.4	↑0.3
2/20 19:20	22.6	↑0.2
2/20 19:30	22.8	↑0.2
2/20 19:40	23.0	↑0.2
2/20 19:50	23.1	↑0.1
2/20 20:00	23.2	↑0.1
2/20 20:10	23.2	0	満潮
2/20 20:20	23.2	0
2/20 20:30	23.2	0
2/20 20:40	23.1	↓-0.1
2/20 20:50	23.0	↓-0.1
2/20 21:00	22.9	↓-0.1
2/20 21:10	22.7	↓-0.2
2/20 21:20	22.4	↓-0.3
2/20 21:30	22.1	↓-0.3
2/20 21:40	21.8	↓-0.3
2/20 21:50	21.4	↓-0.4
2/20 22:00	21.0	↓-0.4
2/20 22:10	20.6	↓-0.4
2/20 22:20	20.1	↓-0.5
2/20 22:30	19.6	↓-0.5
2/20 22:40	19.0	↓-0.6
2/20 22:50	18.4	↓-0.6
2/20 23:00	17.8	↓-0.6
2/20 23:10	17.2	↓-0.6
2/20 23:20	16.5	↓-0.7
2/20 23:30	15.8	↓-0.7
2/20 23:40	15.1	↓-0.7
2/20 23:50	14.3	↓-0.8	最大潮位差