12 (火)	10:20	03:39	23:00	16:59
	30cm	20cm	28cm	19cm
長潮 出 06:56 入 16:10 出 12:22 入 00:08

江差／桧山（北海道）2051年12月12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
12/12 00:00	23.4	↓-0.2
12/12 00:10	23.2	↓-0.2
12/12 00:20	22.9	↓-0.3
12/12 00:30	22.7	↓-0.2
12/12 00:40	22.4	↓-0.3
12/12 00:50	22.2	↓-0.2
12/12 01:00	21.9	↓-0.3
12/12 01:10	21.7	↓-0.2
12/12 01:20	21.4	↓-0.3
12/12 01:30	21.1	↓-0.3
12/12 01:40	20.9	↓-0.2
12/12 01:50	20.7	↓-0.2
12/12 02:00	20.4	↓-0.3
12/12 02:10	20.2	↓-0.2
12/12 02:20	20.0	↓-0.2
12/12 02:30	19.8	↓-0.2
12/12 02:40	19.7	↓-0.1
12/12 02:50	19.5	↓-0.2
12/12 03:00	19.4	↓-0.1
12/12 03:10	19.3	↓-0.1
12/12 03:20	19.3	0
12/12 03:30	19.2	↓-0.1	干潮
12/12 03:40	19.2	0
12/12 03:50	19.3	↑0.1
12/12 04:00	19.3	0
12/12 04:10	19.4	↑0.1
12/12 04:20	19.5	↑0.1
12/12 04:30	19.6	↑0.1
12/12 04:40	19.8	↑0.2
12/12 04:50	20.0	↑0.2
12/12 05:00	20.2	↑0.2
12/12 05:10	20.5	↑0.3
12/12 05:20	20.7	↑0.2
12/12 05:30	21.0	↑0.3
12/12 05:40	21.3	↑0.3
12/12 05:50	21.7	↑0.4
12/12 06:00	22.0	↑0.3
12/12 06:10	22.4	↑0.4
12/12 06:20	22.8	↑0.4
12/12 06:30	23.2	↑0.4
12/12 06:40	23.6	↑0.4
12/12 06:50	24.0	↑0.4
12/12 07:00	24.4	↑0.4
12/12 07:10	24.8	↑0.4
12/12 07:20	25.2	↑0.4
12/12 07:30	25.6	↑0.4
12/12 07:40	26.0	↑0.4
12/12 07:50	26.4	↑0.4
12/12 08:00	26.8	↑0.4
12/12 08:10	27.2	↑0.4
12/12 08:20	27.5	↑0.3
12/12 08:30	27.9	↑0.4
12/12 08:40	28.2	↑0.3
12/12 08:50	28.5	↑0.3
12/12 09:00	28.7	↑0.2
12/12 09:10	29.0	↑0.3
12/12 09:20	29.2	↑0.2
12/12 09:30	29.4	↑0.2
12/12 09:40	29.5	↑0.1
12/12 09:50	29.6	↑0.1
12/12 10:00	29.7	↑0.1
12/12 10:10	29.7	0	満潮
12/12 10:20	29.8	↑0.1	満潮
12/12 10:30	29.7	↓-0.1
12/12 10:40	29.7	0
12/12 10:50	29.6	↓-0.1
12/12 11:00	29.5	↓-0.1
12/12 11:10	29.3	↓-0.2
12/12 11:20	29.1	↓-0.2
12/12 11:30	28.9	↓-0.2
12/12 11:40	28.7	↓-0.2
12/12 11:50	28.4	↓-0.3
12/12 12:00	28.1	↓-0.3
12/12 12:10	27.8	↓-0.3
12/12 12:20	27.4	↓-0.4
12/12 12:30	27.1	↓-0.3
12/12 12:40	26.7	↓-0.4
12/12 12:50	26.3	↓-0.4
12/12 13:00	25.9	↓-0.4
12/12 13:10	25.5	↓-0.4
12/12 13:20	25.0	↓-0.5	最大潮位差
12/12 13:30	24.6	↓-0.4
12/12 13:40	24.2	↓-0.4
12/12 13:50	23.7	↓-0.5	最大潮位差
12/12 14:00	23.3	↓-0.4
12/12 14:10	22.9	↓-0.4
12/12 14:20	22.5	↓-0.4
12/12 14:30	22.1	↓-0.4
12/12 14:40	21.7	↓-0.4
12/12 14:50	21.3	↓-0.4
12/12 15:00	21.0	↓-0.3
12/12 15:10	20.6	↓-0.4
12/12 15:20	20.3	↓-0.3
12/12 15:30	20.0	↓-0.3
12/12 15:40	19.8	↓-0.2
12/12 15:50	19.5	↓-0.3
12/12 16:00	19.3	↓-0.2
12/12 16:10	19.2	↓-0.1
12/12 16:20	19.0	↓-0.2
12/12 16:30	18.9	↓-0.1
12/12 16:40	18.8	↓-0.1
12/12 16:50	18.8	0	干潮
12/12 17:00	18.8	0
12/12 17:10	18.8	0
12/12 17:20	18.9	↑0.1
12/12 17:30	18.9	0
12/12 17:40	19.1	↑0.2
12/12 17:50	19.2	↑0.1
12/12 18:00	19.4	↑0.2
12/12 18:10	19.6	↑0.2
12/12 18:20	19.8	↑0.2
12/12 18:30	20.1	↑0.3
12/12 18:40	20.3	↑0.2
12/12 18:50	20.6	↑0.3
12/12 19:00	21.0	↑0.4
12/12 19:10	21.3	↑0.3
12/12 19:20	21.6	↑0.3
12/12 19:30	22.0	↑0.4
12/12 19:40	22.3	↑0.3
12/12 19:50	22.7	↑0.4
12/12 20:00	23.1	↑0.4
12/12 20:10	23.4	↑0.3
12/12 20:20	23.8	↑0.4
12/12 20:30	24.1	↑0.3
12/12 20:40	24.5	↑0.4
12/12 20:50	24.8	↑0.3
12/12 21:00	25.1	↑0.3
12/12 21:10	25.5	↑0.4
12/12 21:20	25.7	↑0.2
12/12 21:30	26.0	↑0.3
12/12 21:40	26.3	↑0.3
12/12 21:50	26.5	↑0.2
12/12 22:00	26.7	↑0.2
12/12 22:10	26.8	↑0.1
12/12 22:20	27.0	↑0.2
12/12 22:30	27.1	↑0.1
12/12 22:40	27.2	↑0.1
12/12 22:50	27.2	0	満潮
12/12 23:00	27.2	0	満潮
12/12 23:10	27.2	0
12/12 23:20	27.2	0
12/12 23:30	27.1	↓-0.1
12/12 23:40	27.0	↓-0.1
12/12 23:50	26.8	↓-0.2