20 (金)	05:52	14:40	-	-
	45cm	5cm	-	-
中潮 出 07:02 入 16:13 出 10:58 入 21:21 潮干狩り ○ 12:35～16:13

江差／桧山（北海道）2058年12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
12/20 00:00	22.3	↑0.6
12/20 00:10	22.8	↑0.5
12/20 00:20	23.4	↑0.6
12/20 00:30	24.0	↑0.6
12/20 00:40	24.7	↑0.7
12/20 00:50	25.4	↑0.7
12/20 01:00	26.1	↑0.7
12/20 01:10	26.9	↑0.8
12/20 01:20	27.6	↑0.7
12/20 01:30	28.4	↑0.8
12/20 01:40	29.2	↑0.8
12/20 01:50	30.1	↑0.9
12/20 02:00	30.9	↑0.8
12/20 02:10	31.7	↑0.8
12/20 02:20	32.6	↑0.9
12/20 02:30	33.4	↑0.8
12/20 02:40	34.3	↑0.9
12/20 02:50	35.1	↑0.8
12/20 03:00	35.9	↑0.8
12/20 03:10	36.8	↑0.9
12/20 03:20	37.6	↑0.8
12/20 03:30	38.3	↑0.7
12/20 03:40	39.1	↑0.8
12/20 03:50	39.8	↑0.7
12/20 04:00	40.4	↑0.6
12/20 04:10	41.1	↑0.7
12/20 04:20	41.7	↑0.6
12/20 04:30	42.2	↑0.5
12/20 04:40	42.7	↑0.5
12/20 04:50	43.1	↑0.4
12/20 05:00	43.5	↑0.4
12/20 05:10	43.8	↑0.3
12/20 05:20	44.1	↑0.3
12/20 05:30	44.2	↑0.1
12/20 05:40	44.4	↑0.2
12/20 05:50	44.4	0	満潮
12/20 06:00	44.4	0
12/20 06:10	44.3	↓-0.1
12/20 06:20	44.1	↓-0.2
12/20 06:30	43.9	↓-0.2
12/20 06:40	43.5	↓-0.4
12/20 06:50	43.2	↓-0.3
12/20 07:00	42.7	↓-0.5
12/20 07:10	42.2	↓-0.5
12/20 07:20	41.6	↓-0.6
12/20 07:30	40.9	↓-0.7
12/20 07:40	40.2	↓-0.7
12/20 07:50	39.4	↓-0.8
12/20 08:00	38.5	↓-0.9
12/20 08:10	37.6	↓-0.9
12/20 08:20	36.7	↓-0.9
12/20 08:30	35.7	↓-1.0
12/20 08:40	34.6	↓-1.1
12/20 08:50	33.5	↓-1.1
12/20 09:00	32.4	↓-1.1
12/20 09:10	31.2	↓-1.2
12/20 09:20	30.1	↓-1.1
12/20 09:30	28.9	↓-1.2
12/20 09:40	27.6	↓-1.3	最大潮位差
12/20 09:50	26.4	↓-1.2
12/20 10:00	25.2	↓-1.2
12/20 10:10	24.0	↓-1.2
12/20 10:20	22.7	↓-1.3	最大潮位差
12/20 10:30	21.5	↓-1.2
12/20 10:40	20.3	↓-1.2
12/20 10:50	19.1	↓-1.2
12/20 11:00	18.0	↓-1.1
12/20 11:10	16.8	↓-1.2
12/20 11:20	15.7	↓-1.1
12/20 11:30	14.7	↓-1.0
12/20 11:40	13.6	↓-1.1
12/20 11:50	12.6	↓-1.0
12/20 12:00	11.7	↓-0.9
12/20 12:10	10.8	↓-0.9
12/20 12:20	10.0	↓-0.8
12/20 12:30	9.2	↓-0.8
12/20 12:40	8.5	↓-0.7
12/20 12:50	7.8	↓-0.7
12/20 13:00	7.2	↓-0.6
12/20 13:10	6.7	↓-0.5
12/20 13:20	6.2	↓-0.5
12/20 13:30	5.8	↓-0.4
12/20 13:40	5.4	↓-0.4
12/20 13:50	5.1	↓-0.3
12/20 14:00	4.8	↓-0.3
12/20 14:10	4.7	↓-0.1
12/20 14:20	4.5	↓-0.2
12/20 14:30	4.5	0	干潮
12/20 14:40	4.4	↓-0.1	干潮
12/20 14:50	4.5	↑0.1
12/20 15:00	4.6	↑0.1
12/20 15:10	4.7	↑0.1
12/20 15:20	4.8	↑0.1
12/20 15:30	5.1	↑0.3
12/20 15:40	5.3	↑0.2
12/20 15:50	5.6	↑0.3
12/20 16:00	5.9	↑0.3
12/20 16:10	6.2	↑0.3
12/20 16:20	6.6	↑0.4
12/20 16:30	7.0	↑0.4
12/20 16:40	7.4	↑0.4
12/20 16:50	7.8	↑0.4
12/20 17:00	8.2	↑0.4
12/20 17:10	8.6	↑0.4
12/20 17:20	9.1	↑0.5
12/20 17:30	9.5	↑0.4
12/20 17:40	9.9	↑0.4
12/20 17:50	10.4	↑0.5
12/20 18:00	10.8	↑0.4
12/20 18:10	11.2	↑0.4
12/20 18:20	11.6	↑0.4
12/20 18:30	12.0	↑0.4
12/20 18:40	12.4	↑0.4
12/20 18:50	12.7	↑0.3
12/20 19:00	13.0	↑0.3
12/20 19:10	13.4	↑0.4
12/20 19:20	13.7	↑0.3
12/20 19:30	13.9	↑0.2
12/20 19:40	14.2	↑0.3
12/20 19:50	14.4	↑0.2
12/20 20:00	14.7	↑0.3
12/20 20:10	14.9	↑0.2
12/20 20:20	15.0	↑0.1
12/20 20:30	15.2	↑0.2
12/20 20:40	15.4	↑0.2
12/20 20:50	15.5	↑0.1
12/20 21:00	15.7	↑0.2
12/20 21:10	15.8	↑0.1
12/20 21:20	15.9	↑0.1
12/20 21:30	16.0	↑0.1
12/20 21:40	16.1	↑0.1
12/20 21:50	16.3	↑0.2
12/20 22:00	16.4	↑0.1
12/20 22:10	16.5	↑0.1
12/20 22:20	16.6	↑0.1
12/20 22:30	16.8	↑0.2
12/20 22:40	16.9	↑0.1
12/20 22:50	17.1	↑0.2
12/20 23:00	17.3	↑0.2
12/20 23:10	17.5	↑0.2
12/20 23:20	17.8	↑0.3
12/20 23:30	18.0	↑0.2
12/20 23:40	18.3	↑0.3
12/20 23:50	18.6	↑0.3