31 (日)	11:11	04:20	23:05	17:16
	26cm	15cm	25cm	18cm
長潮 出 07:06 入 16:20 出 00:40 入 12:27

江差／桧山（北海道）2056年12月31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
12/31 00:00	20.3	↓-0.3
12/31 00:10	20.1	↓-0.2
12/31 00:20	19.8	↓-0.3
12/31 00:30	19.6	↓-0.2
12/31 00:40	19.3	↓-0.3
12/31 00:50	19.0	↓-0.3
12/31 01:00	18.7	↓-0.3
12/31 01:10	18.3	↓-0.4
12/31 01:20	18.0	↓-0.3
12/31 01:30	17.7	↓-0.3
12/31 01:40	17.4	↓-0.3
12/31 01:50	17.1	↓-0.3
12/31 02:00	16.8	↓-0.3
12/31 02:10	16.5	↓-0.3
12/31 02:20	16.2	↓-0.3
12/31 02:30	15.9	↓-0.3
12/31 02:40	15.6	↓-0.3
12/31 02:50	15.4	↓-0.2
12/31 03:00	15.1	↓-0.3
12/31 03:10	14.9	↓-0.2
12/31 03:20	14.8	↓-0.1
12/31 03:30	14.6	↓-0.2
12/31 03:40	14.5	↓-0.1
12/31 03:50	14.4	↓-0.1
12/31 04:00	14.3	↓-0.1
12/31 04:10	14.3	0	干潮
12/31 04:20	14.2	↓-0.1	干潮
12/31 04:30	14.3	↑0.1
12/31 04:40	14.3	0
12/31 04:50	14.4	↑0.1
12/31 05:00	14.5	↑0.1
12/31 05:10	14.6	↑0.1
12/31 05:20	14.8	↑0.2
12/31 05:30	15.0	↑0.2
12/31 05:40	15.3	↑0.3
12/31 05:50	15.5	↑0.2
12/31 06:00	15.8	↑0.3
12/31 06:10	16.1	↑0.3
12/31 06:20	16.4	↑0.3
12/31 06:30	16.8	↑0.4
12/31 06:40	17.1	↑0.3
12/31 06:50	17.5	↑0.4
12/31 07:00	17.9	↑0.4
12/31 07:10	18.3	↑0.4
12/31 07:20	18.8	↑0.5	最大潮位差
12/31 07:30	19.2	↑0.4
12/31 07:40	19.6	↑0.4
12/31 07:50	20.0	↑0.4
12/31 08:00	20.5	↑0.5	最大潮位差
12/31 08:10	20.9	↑0.4
12/31 08:20	21.3	↑0.4
12/31 08:30	21.7	↑0.4
12/31 08:40	22.1	↑0.4
12/31 08:50	22.5	↑0.4
12/31 09:00	22.9	↑0.4
12/31 09:10	23.2	↑0.3
12/31 09:20	23.6	↑0.4
12/31 09:30	23.9	↑0.3
12/31 09:40	24.2	↑0.3
12/31 09:50	24.4	↑0.2
12/31 10:00	24.7	↑0.3
12/31 10:10	24.9	↑0.2
12/31 10:20	25.0	↑0.1
12/31 10:30	25.2	↑0.2
12/31 10:40	25.3	↑0.1
12/31 10:50	25.4	↑0.1
12/31 11:00	25.4	0
12/31 11:10	25.5	↑0.1	満潮
12/31 11:20	25.4	↓-0.1
12/31 11:30	25.4	0
12/31 11:40	25.3	↓-0.1
12/31 11:50	25.2	↓-0.1
12/31 12:00	25.1	↓-0.1
12/31 12:10	24.9	↓-0.2
12/31 12:20	24.7	↓-0.2
12/31 12:30	24.5	↓-0.2
12/31 12:40	24.3	↓-0.2
12/31 12:50	24.0	↓-0.3
12/31 13:00	23.7	↓-0.3
12/31 13:10	23.4	↓-0.3
12/31 13:20	23.1	↓-0.3
12/31 13:30	22.8	↓-0.3
12/31 13:40	22.4	↓-0.4
12/31 13:50	22.1	↓-0.3
12/31 14:00	21.7	↓-0.4
12/31 14:10	21.4	↓-0.3
12/31 14:20	21.0	↓-0.4
12/31 14:30	20.7	↓-0.3
12/31 14:40	20.3	↓-0.4
12/31 14:50	20.0	↓-0.3
12/31 15:00	19.7	↓-0.3
12/31 15:10	19.4	↓-0.3
12/31 15:20	19.1	↓-0.3
12/31 15:30	18.8	↓-0.3
12/31 15:40	18.5	↓-0.3
12/31 15:50	18.3	↓-0.2
12/31 16:00	18.0	↓-0.3
12/31 16:10	17.8	↓-0.2
12/31 16:20	17.7	↓-0.1
12/31 16:30	17.5	↓-0.2
12/31 16:40	17.4	↓-0.1
12/31 16:50	17.3	↓-0.1
12/31 17:00	17.3	0
12/31 17:10	17.2	↓-0.1	干潮
12/31 17:20	17.2	0
12/31 17:30	17.2	0
12/31 17:40	17.3	↑0.1
12/31 17:50	17.4	↑0.1
12/31 18:00	17.5	↑0.1
12/31 18:10	17.6	↑0.1
12/31 18:20	17.8	↑0.2
12/31 18:30	18.0	↑0.2
12/31 18:40	18.2	↑0.2
12/31 18:50	18.5	↑0.3
12/31 19:00	18.7	↑0.2
12/31 19:10	19.0	↑0.3
12/31 19:20	19.3	↑0.3
12/31 19:30	19.6	↑0.3
12/31 19:40	19.9	↑0.3
12/31 19:50	20.2	↑0.3
12/31 20:00	20.6	↑0.4
12/31 20:10	20.9	↑0.3
12/31 20:20	21.2	↑0.3
12/31 20:30	21.6	↑0.4
12/31 20:40	21.9	↑0.3
12/31 20:50	22.2	↑0.3
12/31 21:00	22.5	↑0.3
12/31 21:10	22.8	↑0.3
12/31 21:20	23.1	↑0.3
12/31 21:30	23.4	↑0.3
12/31 21:40	23.6	↑0.2
12/31 21:50	23.9	↑0.3
12/31 22:00	24.1	↑0.2
12/31 22:10	24.3	↑0.2
12/31 22:20	24.4	↑0.1
12/31 22:30	24.5	↑0.1
12/31 22:40	24.6	↑0.1
12/31 22:50	24.7	↑0.1
12/31 23:00	24.7	0	満潮
12/31 23:10	24.7	0
12/31 23:20	24.7	0
12/31 23:30	24.6	↓-0.1
12/31 23:40	24.5	↓-0.1
12/31 23:50	24.3	↓-0.2