20 (金)	01:02	09:30	-	-
	29cm	-4cm	-	-
中潮 出 06:28 入 17:19 出 14:58 入 04:34 潮干狩り ◎ 06:28～15:52

江差／桧山（北海道）2054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	27.1	↑0.4
2/20 00:10	27.3	↑0.2
2/20 00:20	27.6	↑0.3
2/20 00:30	27.8	↑0.2
2/20 00:40	27.9	↑0.1
2/20 00:50	28.0	↑0.1
2/20 01:00	28.0	0	満潮
2/20 01:10	28.0	0
2/20 01:20	27.9	↓-0.1
2/20 01:30	27.8	↓-0.1
2/20 01:40	27.6	↓-0.2
2/20 01:50	27.4	↓-0.2
2/20 02:00	27.0	↓-0.4
2/20 02:10	26.7	↓-0.3
2/20 02:20	26.3	↓-0.4
2/20 02:30	25.8	↓-0.5
2/20 02:40	25.2	↓-0.6
2/20 02:50	24.6	↓-0.6
2/20 03:00	24.0	↓-0.6
2/20 03:10	23.3	↓-0.7
2/20 03:20	22.6	↓-0.7
2/20 03:30	21.8	↓-0.8
2/20 03:40	21.0	↓-0.8
2/20 03:50	20.1	↓-0.9
2/20 04:00	19.2	↓-0.9
2/20 04:10	18.3	↓-0.9
2/20 04:20	17.3	↓-1.0
2/20 04:30	16.4	↓-0.9
2/20 04:40	15.4	↓-1.0
2/20 04:50	14.4	↓-1.0
2/20 05:00	13.3	↓-1.1	最大潮位差
2/20 05:10	12.3	↓-1.0
2/20 05:20	11.3	↓-1.0
2/20 05:30	10.3	↓-1.0
2/20 05:40	9.2	↓-1.1	最大潮位差
2/20 05:50	8.2	↓-1.0
2/20 06:00	7.2	↓-1.0
2/20 06:10	6.3	↓-0.9
2/20 06:20	5.3	↓-1.0
2/20 06:30	4.4	↓-0.9
2/20 06:40	3.5	↓-0.9
2/20 06:50	2.7	↓-0.8
2/20 07:00	1.9	↓-0.8
2/20 07:10	1.1	↓-0.8
2/20 07:20	0.4	↓-0.7
2/20 07:30	-0.3	↓-0.7
2/20 07:40	-1.0	↓-0.7
2/20 07:50	-1.5	↓-0.5
2/20 08:00	-2.1	↓-0.6
2/20 08:10	-2.5	↓-0.4
2/20 08:20	-3.0	↓-0.5
2/20 08:30	-3.3	↓-0.3
2/20 08:40	-3.6	↓-0.3
2/20 08:50	-3.9	↓-0.3
2/20 09:00	-4.1	↓-0.2
2/20 09:10	-4.2	↓-0.1
2/20 09:20	-4.3	↓-0.1	干潮
2/20 09:30	-4.3	0	干潮
2/20 09:40	-4.3	0
2/20 09:50	-4.2	↑0.1
2/20 10:00	-4.0	↑0.2
2/20 10:10	-3.9	↑0.1
2/20 10:20	-3.6	↑0.3
2/20 10:30	-3.4	↑0.2
2/20 10:40	-3.1	↑0.3
2/20 10:50	-2.7	↑0.4
2/20 11:00	-2.4	↑0.3
2/20 11:10	-2.0	↑0.4
2/20 11:20	-1.5	↑0.5
2/20 11:30	-1.1	↑0.4
2/20 11:40	-0.6	↑0.5
2/20 11:50	-0.1	↑0.5
2/20 12:00	0.4	↑0.5
2/20 12:10	0.9	↑0.5
2/20 12:20	1.4	↑0.5
2/20 12:30	1.9	↑0.5
2/20 12:40	2.4	↑0.5
2/20 12:50	2.9	↑0.5
2/20 13:00	3.4	↑0.5
2/20 13:10	3.9	↑0.5
2/20 13:20	4.4	↑0.5
2/20 13:30	4.8	↑0.4
2/20 13:40	5.3	↑0.5
2/20 13:50	5.7	↑0.4
2/20 14:00	6.1	↑0.4
2/20 14:10	6.5	↑0.4
2/20 14:20	6.8	↑0.3
2/20 14:30	7.2	↑0.4
2/20 14:40	7.5	↑0.3
2/20 14:50	7.7	↑0.2
2/20 15:00	8.0	↑0.3
2/20 15:10	8.2	↑0.2
2/20 15:20	8.4	↑0.2
2/20 15:30	8.6	↑0.2
2/20 15:40	8.7	↑0.1
2/20 15:50	8.8	↑0.1
2/20 16:00	8.9	↑0.1
2/20 16:10	9.0	↑0.1
2/20 16:20	9.1	↑0.1
2/20 16:30	9.1	0
2/20 16:40	9.2	↑0.1
2/20 16:50	9.2	0
2/20 17:00	9.2	0
2/20 17:10	9.2	0
2/20 17:20	9.2	0
2/20 17:30	9.2	0
2/20 17:40	9.2	0
2/20 17:50	9.3	↑0.1
2/20 18:00	9.3	0
2/20 18:10	9.3	0
2/20 18:20	9.4	↑0.1
2/20 18:30	9.4	0
2/20 18:40	9.5	↑0.1
2/20 18:50	9.6	↑0.1
2/20 19:00	9.7	↑0.1
2/20 19:10	9.9	↑0.2
2/20 19:20	10.1	↑0.2
2/20 19:30	10.3	↑0.2
2/20 19:40	10.5	↑0.2
2/20 19:50	10.8	↑0.3
2/20 20:00	11.1	↑0.3
2/20 20:10	11.4	↑0.3
2/20 20:20	11.8	↑0.4
2/20 20:30	12.2	↑0.4
2/20 20:40	12.6	↑0.4
2/20 20:50	13.1	↑0.5
2/20 21:00	13.6	↑0.5
2/20 21:10	14.1	↑0.5
2/20 21:20	14.7	↑0.6
2/20 21:30	15.2	↑0.5
2/20 21:40	15.8	↑0.6
2/20 21:50	16.5	↑0.7
2/20 22:00	17.1	↑0.6
2/20 22:10	17.8	↑0.7
2/20 22:20	18.5	↑0.7
2/20 22:30	19.1	↑0.6
2/20 22:40	19.8	↑0.7
2/20 22:50	20.5	↑0.7
2/20 23:00	21.2	↑0.7
2/20 23:10	21.9	↑0.7
2/20 23:20	22.6	↑0.7
2/20 23:30	23.3	↑0.7
2/20 23:40	23.9	↑0.6
2/20 23:50	24.6	↑0.7