20 (火)	15:16	07:45	-	18:08
	25cm	9cm	-	24cm
中潮 出 07:02 入 16:13 出 03:03 入 13:30

江差／桧山（北海道）2022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	30.4	0
12/20 00:10	30.3	↓-0.1
12/20 00:20	30.3	0
12/20 00:30	30.2	↓-0.1
12/20 00:40	30.0	↓-0.2
12/20 00:50	29.8	↓-0.2
12/20 01:00	29.6	↓-0.2
12/20 01:10	29.3	↓-0.3
12/20 01:20	28.9	↓-0.4
12/20 01:30	28.6	↓-0.3
12/20 01:40	28.2	↓-0.4
12/20 01:50	27.7	↓-0.5
12/20 02:00	27.2	↓-0.5
12/20 02:10	26.7	↓-0.5
12/20 02:20	26.2	↓-0.5
12/20 02:30	25.6	↓-0.6
12/20 02:40	24.9	↓-0.7
12/20 02:50	24.3	↓-0.6
12/20 03:00	23.6	↓-0.7
12/20 03:10	23.0	↓-0.6
12/20 03:20	22.3	↓-0.7
12/20 03:30	21.5	↓-0.8	最大潮位差
12/20 03:40	20.8	↓-0.7
12/20 03:50	20.1	↓-0.7
12/20 04:00	19.3	↓-0.8	最大潮位差
12/20 04:10	18.6	↓-0.7
12/20 04:20	17.9	↓-0.7
12/20 04:30	17.2	↓-0.7
12/20 04:40	16.4	↓-0.8	最大潮位差
12/20 04:50	15.7	↓-0.7
12/20 05:00	15.1	↓-0.6
12/20 05:10	14.4	↓-0.7
12/20 05:20	13.8	↓-0.6
12/20 05:30	13.2	↓-0.6
12/20 05:40	12.6	↓-0.6
12/20 05:50	12.1	↓-0.5
12/20 06:00	11.6	↓-0.5
12/20 06:10	11.1	↓-0.5
12/20 06:20	10.7	↓-0.4
12/20 06:30	10.3	↓-0.4
12/20 06:40	10.0	↓-0.3
12/20 06:50	9.7	↓-0.3
12/20 07:00	9.4	↓-0.3
12/20 07:10	9.3	↓-0.1
12/20 07:20	9.1	↓-0.2
12/20 07:30	9.0	↓-0.1
12/20 07:40	9.0	0	干潮
12/20 07:50	9.0	0
12/20 08:00	9.0	0
12/20 08:10	9.1	↑0.1
12/20 08:20	9.3	↑0.2
12/20 08:30	9.5	↑0.2
12/20 08:40	9.7	↑0.2
12/20 08:50	10.0	↑0.3
12/20 09:00	10.3	↑0.3
12/20 09:10	10.7	↑0.4
12/20 09:20	11.1	↑0.4
12/20 09:30	11.5	↑0.4
12/20 09:40	11.9	↑0.4
12/20 09:50	12.4	↑0.5
12/20 10:00	12.9	↑0.5
12/20 10:10	13.4	↑0.5
12/20 10:20	14.0	↑0.6
12/20 10:30	14.5	↑0.5
12/20 10:40	15.1	↑0.6
12/20 10:50	15.7	↑0.6
12/20 11:00	16.2	↑0.5
12/20 11:10	16.8	↑0.6
12/20 11:20	17.4	↑0.6
12/20 11:30	17.9	↑0.5
12/20 11:40	18.5	↑0.6
12/20 11:50	19.0	↑0.5
12/20 12:00	19.6	↑0.6
12/20 12:10	20.1	↑0.5
12/20 12:20	20.6	↑0.5
12/20 12:30	21.0	↑0.4
12/20 12:40	21.5	↑0.5
12/20 12:50	21.9	↑0.4
12/20 13:00	22.3	↑0.4
12/20 13:10	22.7	↑0.4
12/20 13:20	23.0	↑0.3
12/20 13:30	23.3	↑0.3
12/20 13:40	23.6	↑0.3
12/20 13:50	23.8	↑0.2
12/20 14:00	24.1	↑0.3
12/20 14:10	24.2	↑0.1
12/20 14:20	24.4	↑0.2
12/20 14:30	24.5	↑0.1
12/20 14:40	24.6	↑0.1
12/20 14:50	24.7	↑0.1
12/20 15:00	24.7	0
12/20 15:10	24.8	↑0.1	満潮
12/20 15:20	24.8	0
12/20 15:30	24.8	0
12/20 15:40	24.7	↓-0.1
12/20 15:50	24.7	0
12/20 16:00	24.6	↓-0.1
12/20 16:10	24.5	↓-0.1
12/20 16:20	24.4	↓-0.1
12/20 16:30	24.3	↓-0.1
12/20 16:40	24.3	0
12/20 16:50	24.2	↓-0.1
12/20 17:00	24.1	↓-0.1
12/20 17:10	24.0	↓-0.1
12/20 17:20	23.9	↓-0.1
12/20 17:30	23.8	↓-0.1
12/20 17:40	23.8	0
12/20 17:50	23.8	0
12/20 18:00	23.7	↓-0.1	干潮
12/20 18:10	23.7	0
12/20 18:20	23.7	0
12/20 18:30	23.8	↑0.1
12/20 18:40	23.8	0
12/20 18:50	23.9	↑0.1
12/20 19:00	24.0	↑0.1
12/20 19:10	24.2	↑0.2
12/20 19:20	24.4	↑0.2
12/20 19:30	24.5	↑0.1
12/20 19:40	24.8	↑0.3
12/20 19:50	25.0	↑0.2
12/20 20:00	25.3	↑0.3
12/20 20:10	25.6	↑0.3
12/20 20:20	25.9	↑0.3
12/20 20:30	26.3	↑0.4
12/20 20:40	26.6	↑0.3
12/20 20:50	27.0	↑0.4
12/20 21:00	27.4	↑0.4
12/20 21:10	27.8	↑0.4
12/20 21:20	28.2	↑0.4
12/20 21:30	28.7	↑0.5
12/20 21:40	29.1	↑0.4
12/20 21:50	29.6	↑0.5
12/20 22:00	30.0	↑0.4
12/20 22:10	30.5	↑0.5
12/20 22:20	30.9	↑0.4
12/20 22:30	31.3	↑0.4
12/20 22:40	31.7	↑0.4
12/20 22:50	32.1	↑0.4
12/20 23:00	32.5	↑0.4
12/20 23:10	32.9	↑0.4
12/20 23:20	33.2	↑0.3
12/20 23:30	33.5	↑0.3
12/20 23:40	33.8	↑0.3
12/20 23:50	34.0	↑0.2