18 (月)	02:37	10:49	18:15	19:22
	42cm	4cm	21cm	21cm
大潮 出 07:00 入 16:12 出 17:08 入 06:58 潮干狩り ◎ 08:44～13:10

江差／桧山（北海道）2051年12月18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
12/18 00:00	34.7	↑0.7
12/18 00:10	35.4	↑0.7
12/18 00:20	36.1	↑0.7
12/18 00:30	36.7	↑0.6
12/18 00:40	37.4	↑0.7
12/18 00:50	38.0	↑0.6
12/18 01:00	38.5	↑0.5
12/18 01:10	39.1	↑0.6
12/18 01:20	39.5	↑0.4
12/18 01:30	40.0	↑0.5
12/18 01:40	40.4	↑0.4
12/18 01:50	40.7	↑0.3
12/18 02:00	40.9	↑0.2
12/18 02:10	41.2	↑0.3
12/18 02:20	41.3	↑0.1
12/18 02:30	41.4	↑0.1	満潮
12/18 02:40	41.4	0
12/18 02:50	41.3	↓-0.1
12/18 03:00	41.2	↓-0.1
12/18 03:10	41.0	↓-0.2
12/18 03:20	40.7	↓-0.3
12/18 03:30	40.3	↓-0.4
12/18 03:40	39.9	↓-0.4
12/18 03:50	39.4	↓-0.5
12/18 04:00	38.8	↓-0.6
12/18 04:10	38.2	↓-0.6
12/18 04:20	37.5	↓-0.7
12/18 04:30	36.7	↓-0.8
12/18 04:40	35.9	↓-0.8
12/18 04:50	35.0	↓-0.9
12/18 05:00	34.0	↓-1.0
12/18 05:10	33.0	↓-1.0
12/18 05:20	32.0	↓-1.0
12/18 05:30	30.9	↓-1.1
12/18 05:40	29.8	↓-1.1
12/18 05:50	28.6	↓-1.2
12/18 06:00	27.4	↓-1.2
12/18 06:10	26.2	↓-1.2
12/18 06:20	25.0	↓-1.2
12/18 06:30	23.8	↓-1.2
12/18 06:40	22.5	↓-1.3	最大潮位差
12/18 06:50	21.3	↓-1.2
12/18 07:00	20.1	↓-1.2
12/18 07:10	18.8	↓-1.3	最大潮位差
12/18 07:20	17.6	↓-1.2
12/18 07:30	16.4	↓-1.2
12/18 07:40	15.3	↓-1.1
12/18 07:50	14.2	↓-1.1
12/18 08:00	13.1	↓-1.1
12/18 08:10	12.0	↓-1.1
12/18 08:20	11.0	↓-1.0
12/18 08:30	10.1	↓-0.9
12/18 08:40	9.2	↓-0.9
12/18 08:50	8.3	↓-0.9
12/18 09:00	7.6	↓-0.7
12/18 09:10	6.8	↓-0.8
12/18 09:20	6.2	↓-0.6
12/18 09:30	5.6	↓-0.6
12/18 09:40	5.1	↓-0.5
12/18 09:50	4.7	↓-0.4
12/18 10:00	4.3	↓-0.4
12/18 10:10	4.0	↓-0.3
12/18 10:20	3.8	↓-0.2
12/18 10:30	3.6	↓-0.2
12/18 10:40	3.5	↓-0.1	干潮
12/18 10:50	3.5	0
12/18 11:00	3.5	0
12/18 11:10	3.6	↑0.1
12/18 11:20	3.8	↑0.2
12/18 11:30	4.1	↑0.3
12/18 11:40	4.3	↑0.2
12/18 11:50	4.7	↑0.4
12/18 12:00	5.1	↑0.4
12/18 12:10	5.5	↑0.4
12/18 12:20	6.0	↑0.5
12/18 12:30	6.5	↑0.5
12/18 12:40	7.1	↑0.6
12/18 12:50	7.6	↑0.5
12/18 13:00	8.3	↑0.7
12/18 13:10	8.9	↑0.6
12/18 13:20	9.5	↑0.6
12/18 13:30	10.2	↑0.7
12/18 13:40	10.8	↑0.6
12/18 13:50	11.5	↑0.7
12/18 14:00	12.1	↑0.6
12/18 14:10	12.8	↑0.7
12/18 14:20	13.4	↑0.6
12/18 14:30	14.1	↑0.7
12/18 14:40	14.7	↑0.6
12/18 14:50	15.3	↑0.6
12/18 15:00	15.8	↑0.5
12/18 15:10	16.4	↑0.6
12/18 15:20	16.9	↑0.5
12/18 15:30	17.4	↑0.5
12/18 15:40	17.8	↑0.4
12/18 15:50	18.2	↑0.4
12/18 16:00	18.6	↑0.4
12/18 16:10	19.0	↑0.4
12/18 16:20	19.3	↑0.3
12/18 16:30	19.5	↑0.2
12/18 16:40	19.8	↑0.3
12/18 16:50	20.0	↑0.2
12/18 17:00	20.2	↑0.2
12/18 17:10	20.3	↑0.1
12/18 17:20	20.5	↑0.2
12/18 17:30	20.6	↑0.1
12/18 17:40	20.6	0
12/18 17:50	20.7	↑0.1
12/18 18:00	20.7	0
12/18 18:10	20.7	0	満潮
12/18 18:20	20.7	0
12/18 18:30	20.7	0
12/18 18:40	20.7	0
12/18 18:50	20.7	0
12/18 19:00	20.6	↓-0.1
12/18 19:10	20.6	0
12/18 19:20	20.6	0	干潮
12/18 19:30	20.6	0
12/18 19:40	20.6	0
12/18 19:50	20.7	↑0.1
12/18 20:00	20.7	0
12/18 20:10	20.8	↑0.1
12/18 20:20	20.9	↑0.1
12/18 20:30	21.1	↑0.2
12/18 20:40	21.2	↑0.1
12/18 20:50	21.4	↑0.2
12/18 21:00	21.7	↑0.3
12/18 21:10	22.0	↑0.3
12/18 21:20	22.3	↑0.3
12/18 21:30	22.6	↑0.3
12/18 21:40	23.0	↑0.4
12/18 21:50	23.5	↑0.5
12/18 22:00	23.9	↑0.4
12/18 22:10	24.4	↑0.5
12/18 22:20	25.0	↑0.6
12/18 22:30	25.6	↑0.6
12/18 22:40	26.2	↑0.6
12/18 22:50	26.9	↑0.7
12/18 23:00	27.5	↑0.6
12/18 23:10	28.2	↑0.7
12/18 23:20	29.0	↑0.8
12/18 23:30	29.7	↑0.7
12/18 23:40	30.5	↑0.8
12/18 23:50	31.3	↑0.8