18 (日)	01:00	09:40	-	-
	40cm	3cm	-	-
大潮 出 07:01 入 16:12 出 06:10 入 14:49 潮干狩り ◎ 07:16～12:23

江差／桧山（北海道）2044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	38.5	↑0.3
12/18 00:10	38.8	↑0.3
12/18 00:20	39.0	↑0.2
12/18 00:30	39.2	↑0.2
12/18 00:40	39.3	↑0.1
12/18 00:50	39.4	↑0.1	満潮
12/18 01:00	39.4	0	満潮
12/18 01:10	39.4	0
12/18 01:20	39.3	↓-0.1
12/18 01:30	39.1	↓-0.2
12/18 01:40	38.9	↓-0.2
12/18 01:50	38.6	↓-0.3
12/18 02:00	38.3	↓-0.3
12/18 02:10	37.9	↓-0.4
12/18 02:20	37.4	↓-0.5
12/18 02:30	36.9	↓-0.5
12/18 02:40	36.3	↓-0.6
12/18 02:50	35.7	↓-0.6
12/18 03:00	35.0	↓-0.7
12/18 03:10	34.3	↓-0.7
12/18 03:20	33.5	↓-0.8
12/18 03:30	32.6	↓-0.9
12/18 03:40	31.7	↓-0.9
12/18 03:50	30.8	↓-0.9
12/18 04:00	29.8	↓-1.0
12/18 04:10	28.8	↓-1.0
12/18 04:20	27.8	↓-1.0
12/18 04:30	26.7	↓-1.1
12/18 04:40	25.6	↓-1.1
12/18 04:50	24.5	↓-1.1
12/18 05:00	23.3	↓-1.2	最大潮位差
12/18 05:10	22.2	↓-1.1
12/18 05:20	21.1	↓-1.1
12/18 05:30	19.9	↓-1.2	最大潮位差
12/18 05:40	18.8	↓-1.1
12/18 05:50	17.6	↓-1.2	最大潮位差
12/18 06:00	16.5	↓-1.1
12/18 06:10	15.4	↓-1.1
12/18 06:20	14.3	↓-1.1
12/18 06:30	13.2	↓-1.1
12/18 06:40	12.2	↓-1.0
12/18 06:50	11.2	↓-1.0
12/18 07:00	10.3	↓-0.9
12/18 07:10	9.4	↓-0.9
12/18 07:20	8.5	↓-0.9
12/18 07:30	7.7	↓-0.8
12/18 07:40	6.9	↓-0.8
12/18 07:50	6.2	↓-0.7
12/18 08:00	5.5	↓-0.7
12/18 08:10	5.0	↓-0.5
12/18 08:20	4.4	↓-0.6
12/18 08:30	4.0	↓-0.4
12/18 08:40	3.6	↓-0.4
12/18 08:50	3.2	↓-0.4
12/18 09:00	2.9	↓-0.3
12/18 09:10	2.7	↓-0.2
12/18 09:20	2.6	↓-0.1
12/18 09:30	2.5	↓-0.1	干潮
12/18 09:40	2.5	0	干潮
12/18 09:50	2.5	0
12/18 10:00	2.6	↑0.1
12/18 10:10	2.8	↑0.2
12/18 10:20	3.0	↑0.2
12/18 10:30	3.2	↑0.2
12/18 10:40	3.6	↑0.4
12/18 10:50	3.9	↑0.3
12/18 11:00	4.3	↑0.4
12/18 11:10	4.8	↑0.5
12/18 11:20	5.2	↑0.4
12/18 11:30	5.8	↑0.6
12/18 11:40	6.3	↑0.5
12/18 11:50	6.9	↑0.6
12/18 12:00	7.5	↑0.6
12/18 12:10	8.1	↑0.6
12/18 12:20	8.7	↑0.6
12/18 12:30	9.4	↑0.7
12/18 12:40	10.0	↑0.6
12/18 12:50	10.7	↑0.7
12/18 13:00	11.3	↑0.6
12/18 13:10	12.0	↑0.7
12/18 13:20	12.6	↑0.6
12/18 13:30	13.3	↑0.7
12/18 13:40	13.9	↑0.6
12/18 13:50	14.5	↑0.6
12/18 14:00	15.1	↑0.6
12/18 14:10	15.7	↑0.6
12/18 14:20	16.2	↑0.5
12/18 14:30	16.8	↑0.6
12/18 14:40	17.3	↑0.5
12/18 14:50	17.8	↑0.5
12/18 15:00	18.2	↑0.4
12/18 15:10	18.7	↑0.5
12/18 15:20	19.1	↑0.4
12/18 15:30	19.5	↑0.4
12/18 15:40	19.8	↑0.3
12/18 15:50	20.2	↑0.4
12/18 16:00	20.5	↑0.3
12/18 16:10	20.8	↑0.3
12/18 16:20	21.0	↑0.2
12/18 16:30	21.3	↑0.3
12/18 16:40	21.5	↑0.2
12/18 16:50	21.7	↑0.2
12/18 17:00	21.9	↑0.2
12/18 17:10	22.1	↑0.2
12/18 17:20	22.3	↑0.2
12/18 17:30	22.5	↑0.2
12/18 17:40	22.6	↑0.1
12/18 17:50	22.8	↑0.2
12/18 18:00	23.0	↑0.2
12/18 18:10	23.1	↑0.1
12/18 18:20	23.3	↑0.2
12/18 18:30	23.5	↑0.2
12/18 18:40	23.7	↑0.2
12/18 18:50	23.9	↑0.2
12/18 19:00	24.1	↑0.2
12/18 19:10	24.4	↑0.3
12/18 19:20	24.6	↑0.2
12/18 19:30	24.9	↑0.3
12/18 19:40	25.2	↑0.3
12/18 19:50	25.5	↑0.3
12/18 20:00	25.9	↑0.4
12/18 20:10	26.3	↑0.4
12/18 20:20	26.7	↑0.4
12/18 20:30	27.1	↑0.4
12/18 20:40	27.5	↑0.4
12/18 20:50	28.0	↑0.5
12/18 21:00	28.5	↑0.5
12/18 21:10	29.1	↑0.6
12/18 21:20	29.6	↑0.5
12/18 21:30	30.2	↑0.6
12/18 21:40	30.8	↑0.6
12/18 21:50	31.4	↑0.6
12/18 22:00	32.0	↑0.6
12/18 22:10	32.6	↑0.6
12/18 22:20	33.3	↑0.7
12/18 22:30	33.9	↑0.6
12/18 22:40	34.6	↑0.7
12/18 22:50	35.3	↑0.7
12/18 23:00	35.9	↑0.6
12/18 23:10	36.5	↑0.6
12/18 23:20	37.2	↑0.7
12/18 23:30	37.8	↑0.6
12/18 23:40	38.4	↑0.6
12/18 23:50	39.0	↑0.6