11 (金)	00:19	07:18	13:51	19:17
	19cm	6cm	19cm	13cm
中潮 出 06:57 入 15:58 出 02:16 入 13:42 潮干狩り ○ 06:57～08:14

留萌（北海道）2020年12月11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
12/11 00:00	18.5	↑0.1
12/11 00:10	18.6	↑0.1	満潮
12/11 00:20	18.6	0
12/11 00:30	18.6	0
12/11 00:40	18.5	↓-0.1
12/11 00:50	18.4	↓-0.1
12/11 01:00	18.2	↓-0.2
12/11 01:10	18.0	↓-0.2
12/11 01:20	17.8	↓-0.2
12/11 01:30	17.6	↓-0.2
12/11 01:40	17.3	↓-0.3
12/11 01:50	17.0	↓-0.3
12/11 02:00	16.6	↓-0.4
12/11 02:10	16.3	↓-0.3
12/11 02:20	15.9	↓-0.4
12/11 02:30	15.5	↓-0.4
12/11 02:40	15.1	↓-0.4
12/11 02:50	14.7	↓-0.4
12/11 03:00	14.3	↓-0.4
12/11 03:10	13.8	↓-0.5
12/11 03:20	13.4	↓-0.4
12/11 03:30	12.9	↓-0.5
12/11 03:40	12.5	↓-0.4
12/11 03:50	12.0	↓-0.5
12/11 04:00	11.5	↓-0.5
12/11 04:10	11.0	↓-0.5
12/11 04:20	10.6	↓-0.4
12/11 04:30	10.1	↓-0.5
12/11 04:40	9.6	↓-0.5
12/11 04:50	9.1	↓-0.5
12/11 05:00	8.7	↓-0.4
12/11 05:10	8.2	↓-0.5
12/11 05:20	7.8	↓-0.4
12/11 05:30	7.4	↓-0.4
12/11 05:40	7.0	↓-0.4
12/11 05:50	6.6	↓-0.4
12/11 06:00	6.3	↓-0.3
12/11 06:10	6.0	↓-0.3
12/11 06:20	5.8	↓-0.2
12/11 06:30	5.6	↓-0.2
12/11 06:40	5.4	↓-0.2
12/11 06:50	5.2	↓-0.2
12/11 07:00	5.1	↓-0.1
12/11 07:10	5.1	0	干潮
12/11 07:20	5.1	0
12/11 07:30	5.1	0
12/11 07:40	5.2	↑0.1
12/11 07:50	5.3	↑0.1
12/11 08:00	5.5	↑0.2
12/11 08:10	5.7	↑0.2
12/11 08:20	5.9	↑0.2
12/11 08:30	6.2	↑0.3
12/11 08:40	6.4	↑0.2
12/11 08:50	6.8	↑0.4
12/11 09:00	7.1	↑0.3
12/11 09:10	7.5	↑0.4
12/11 09:20	7.9	↑0.4
12/11 09:30	8.3	↑0.4
12/11 09:40	8.8	↑0.5
12/11 09:50	9.3	↑0.5
12/11 10:00	9.8	↑0.5
12/11 10:10	10.3	↑0.5
12/11 10:20	10.8	↑0.5
12/11 10:30	11.4	↑0.6	最大潮位差
12/11 10:40	11.9	↑0.5
12/11 10:50	12.5	↑0.6	最大潮位差
12/11 11:00	13.1	↑0.6	最大潮位差
12/11 11:10	13.6	↑0.5
12/11 11:20	14.1	↑0.5
12/11 11:30	14.7	↑0.6	最大潮位差
12/11 11:40	15.2	↑0.5
12/11 11:50	15.7	↑0.5
12/11 12:00	16.1	↑0.4
12/11 12:10	16.5	↑0.4
12/11 12:20	16.9	↑0.4
12/11 12:30	17.2	↑0.3
12/11 12:40	17.6	↑0.4
12/11 12:50	17.8	↑0.2
12/11 13:00	18.0	↑0.2
12/11 13:10	18.2	↑0.2
12/11 13:20	18.3	↑0.1
12/11 13:30	18.4	↑0.1
12/11 13:40	18.5	↑0.1
12/11 13:50	18.5	0	満潮
12/11 14:00	18.5	0
12/11 14:10	18.4	↓-0.1
12/11 14:20	18.4	0
12/11 14:30	18.3	↓-0.1
12/11 14:40	18.1	↓-0.2
12/11 14:50	18.0	↓-0.1
12/11 15:00	17.8	↓-0.2
12/11 15:10	17.6	↓-0.2
12/11 15:20	17.4	↓-0.2
12/11 15:30	17.2	↓-0.2
12/11 15:40	17.0	↓-0.2
12/11 15:50	16.7	↓-0.3
12/11 16:00	16.5	↓-0.2
12/11 16:10	16.2	↓-0.3
12/11 16:20	15.9	↓-0.3
12/11 16:30	15.6	↓-0.3
12/11 16:40	15.3	↓-0.3
12/11 16:50	15.0	↓-0.3
12/11 17:00	14.7	↓-0.3
12/11 17:10	14.4	↓-0.3
12/11 17:20	14.1	↓-0.3
12/11 17:30	13.9	↓-0.2
12/11 17:40	13.6	↓-0.3
12/11 17:50	13.3	↓-0.3
12/11 18:00	13.1	↓-0.2
12/11 18:10	12.9	↓-0.2
12/11 18:20	12.7	↓-0.2
12/11 18:30	12.5	↓-0.2
12/11 18:40	12.4	↓-0.1
12/11 18:50	12.3	↓-0.1
12/11 19:00	12.2	↓-0.1
12/11 19:10	12.2	0	干潮
12/11 19:20	12.2	0
12/11 19:30	12.2	0
12/11 19:40	12.3	↑0.1
12/11 19:50	12.4	↑0.1
12/11 20:00	12.5	↑0.1
12/11 20:10	12.6	↑0.1
12/11 20:20	12.8	↑0.2
12/11 20:30	13.0	↑0.2
12/11 20:40	13.2	↑0.2
12/11 20:50	13.4	↑0.2
12/11 21:00	13.7	↑0.3
12/11 21:10	13.9	↑0.2
12/11 21:20	14.2	↑0.3
12/11 21:30	14.5	↑0.3
12/11 21:40	14.8	↑0.3
12/11 21:50	15.1	↑0.3
12/11 22:00	15.4	↑0.3
12/11 22:10	15.8	↑0.4
12/11 22:20	16.1	↑0.3
12/11 22:30	16.4	↑0.3
12/11 22:40	16.8	↑0.4
12/11 22:50	17.1	↑0.3
12/11 23:00	17.5	↑0.4
12/11 23:10	17.8	↑0.3
12/11 23:20	18.1	↑0.3
12/11 23:30	18.4	↑0.3
12/11 23:40	18.7	↑0.3
12/11 23:50	18.9	↑0.2