20 (木)	10:23	03:01	23:14	17:39
	31cm	18cm	24cm	17cm
長潮 出 07:02 入 16:13 出 - 入 12:28

江差／桧山（北海道）2057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	19.9	↓-0.1
12/20 00:10	19.8	↓-0.1
12/20 00:20	19.7	↓-0.1
12/20 00:30	19.5	↓-0.2
12/20 00:40	19.4	↓-0.1
12/20 00:50	19.2	↓-0.2
12/20 01:00	19.1	↓-0.1
12/20 01:10	18.9	↓-0.2
12/20 01:20	18.8	↓-0.1
12/20 01:30	18.7	↓-0.1
12/20 01:40	18.5	↓-0.2
12/20 01:50	18.4	↓-0.1
12/20 02:00	18.3	↓-0.1
12/20 02:10	18.2	↓-0.1
12/20 02:20	18.1	↓-0.1
12/20 02:30	18.0	↓-0.1
12/20 02:40	18.0	0
12/20 02:50	17.9	↓-0.1
12/20 03:00	17.9	0	干潮
12/20 03:10	17.9	0
12/20 03:20	18.0	↑0.1
12/20 03:30	18.0	0
12/20 03:40	18.1	↑0.1
12/20 03:50	18.2	↑0.1
12/20 04:00	18.4	↑0.2
12/20 04:10	18.5	↑0.1
12/20 04:20	18.7	↑0.2
12/20 04:30	18.9	↑0.2
12/20 04:40	19.2	↑0.3
12/20 04:50	19.5	↑0.3
12/20 05:00	19.8	↑0.3
12/20 05:10	20.1	↑0.3
12/20 05:20	20.4	↑0.3
12/20 05:30	20.8	↑0.4
12/20 05:40	21.2	↑0.4
12/20 05:50	21.6	↑0.4
12/20 06:00	22.0	↑0.4
12/20 06:10	22.4	↑0.4
12/20 06:20	22.9	↑0.5
12/20 06:30	23.3	↑0.4
12/20 06:40	23.8	↑0.5
12/20 06:50	24.2	↑0.4
12/20 07:00	24.7	↑0.5
12/20 07:10	25.2	↑0.5
12/20 07:20	25.6	↑0.4
12/20 07:30	26.1	↑0.5
12/20 07:40	26.5	↑0.4
12/20 07:50	27.0	↑0.5
12/20 08:00	27.4	↑0.4
12/20 08:10	27.8	↑0.4
12/20 08:20	28.2	↑0.4
12/20 08:30	28.6	↑0.4
12/20 08:40	28.9	↑0.3
12/20 08:50	29.3	↑0.4
12/20 09:00	29.6	↑0.3
12/20 09:10	29.8	↑0.2
12/20 09:20	30.1	↑0.3
12/20 09:30	30.3	↑0.2
12/20 09:40	30.5	↑0.2
12/20 09:50	30.6	↑0.1
12/20 10:00	30.7	↑0.1
12/20 10:10	30.8	↑0.1
12/20 10:20	30.8	0	満潮
12/20 10:30	30.8	0
12/20 10:40	30.7	↓-0.1
12/20 10:50	30.6	↓-0.1
12/20 11:00	30.5	↓-0.1
12/20 11:10	30.4	↓-0.1
12/20 11:20	30.2	↓-0.2
12/20 11:30	29.9	↓-0.3
12/20 11:40	29.7	↓-0.2
12/20 11:50	29.4	↓-0.3
12/20 12:00	29.1	↓-0.3
12/20 12:10	28.7	↓-0.4
12/20 12:20	28.3	↓-0.4
12/20 12:30	27.9	↓-0.4
12/20 12:40	27.5	↓-0.4
12/20 12:50	27.0	↓-0.5
12/20 13:00	26.6	↓-0.4
12/20 13:10	26.1	↓-0.5
12/20 13:20	25.6	↓-0.5
12/20 13:30	25.1	↓-0.5
12/20 13:40	24.6	↓-0.5
12/20 13:50	24.1	↓-0.5
12/20 14:00	23.5	↓-0.6	最大潮位差
12/20 14:10	23.0	↓-0.5
12/20 14:20	22.5	↓-0.5
12/20 14:30	22.0	↓-0.5
12/20 14:40	21.5	↓-0.5
12/20 14:50	21.0	↓-0.5
12/20 15:00	20.6	↓-0.4
12/20 15:10	20.1	↓-0.5
12/20 15:20	19.7	↓-0.4
12/20 15:30	19.3	↓-0.4
12/20 15:40	18.9	↓-0.4
12/20 15:50	18.6	↓-0.3
12/20 16:00	18.2	↓-0.4
12/20 16:10	17.9	↓-0.3
12/20 16:20	17.6	↓-0.3
12/20 16:30	17.4	↓-0.2
12/20 16:40	17.2	↓-0.2
12/20 16:50	17.0	↓-0.2
12/20 17:00	16.9	↓-0.1
12/20 17:10	16.8	↓-0.1
12/20 17:20	16.7	↓-0.1
12/20 17:30	16.7	0	干潮
12/20 17:40	16.7	0
12/20 17:50	16.7	0
12/20 18:00	16.7	0
12/20 18:10	16.8	↑0.1
12/20 18:20	16.9	↑0.1
12/20 18:30	17.1	↑0.2
12/20 18:40	17.2	↑0.1
12/20 18:50	17.4	↑0.2
12/20 19:00	17.6	↑0.2
12/20 19:10	17.9	↑0.3
12/20 19:20	18.1	↑0.2
12/20 19:30	18.4	↑0.3
12/20 19:40	18.7	↑0.3
12/20 19:50	18.9	↑0.2
12/20 20:00	19.2	↑0.3
12/20 20:10	19.5	↑0.3
12/20 20:20	19.8	↑0.3
12/20 20:30	20.1	↑0.3
12/20 20:40	20.4	↑0.3
12/20 20:50	20.7	↑0.3
12/20 21:00	21.0	↑0.3
12/20 21:10	21.3	↑0.3
12/20 21:20	21.6	↑0.3
12/20 21:30	21.8	↑0.2
12/20 21:40	22.1	↑0.3
12/20 21:50	22.3	↑0.2
12/20 22:00	22.5	↑0.2
12/20 22:10	22.7	↑0.2
12/20 22:20	22.8	↑0.1
12/20 22:30	22.9	↑0.1
12/20 22:40	23.0	↑0.1
12/20 22:50	23.1	↑0.1
12/20 23:00	23.2	↑0.1
12/20 23:10	23.2	0	満潮
12/20 23:20	23.2	0
12/20 23:30	23.2	0
12/20 23:40	23.1	↓-0.1
12/20 23:50	23.0	↓-0.1