22 (日)	14:13	07:14	-	19:04
	18cm	5cm	-	14cm
若潮 出 07:04 入 16:01 出 02:14 入 13:24 潮干狩り ○ 07:04～08:43

留萌（北海道）2019年12月22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
12/22 00:00	18.6	0
12/22 00:10	18.6	0
12/22 00:20	18.5	↓-0.1
12/22 00:30	18.4	↓-0.1
12/22 00:40	18.2	↓-0.2
12/22 00:50	18.0	↓-0.2
12/22 01:00	17.8	↓-0.2
12/22 01:10	17.5	↓-0.3
12/22 01:20	17.3	↓-0.2
12/22 01:30	17.0	↓-0.3
12/22 01:40	16.6	↓-0.4
12/22 01:50	16.3	↓-0.3
12/22 02:00	15.9	↓-0.4
12/22 02:10	15.6	↓-0.3
12/22 02:20	15.2	↓-0.4
12/22 02:30	14.8	↓-0.4
12/22 02:40	14.3	↓-0.5
12/22 02:50	13.9	↓-0.4
12/22 03:00	13.5	↓-0.4
12/22 03:10	13.0	↓-0.5
12/22 03:20	12.5	↓-0.5
12/22 03:30	12.1	↓-0.4
12/22 03:40	11.6	↓-0.5
12/22 03:50	11.1	↓-0.5
12/22 04:00	10.6	↓-0.5
12/22 04:10	10.1	↓-0.5
12/22 04:20	9.6	↓-0.5
12/22 04:30	9.1	↓-0.5
12/22 04:40	8.6	↓-0.5
12/22 04:50	8.1	↓-0.5
12/22 05:00	7.7	↓-0.4
12/22 05:10	7.2	↓-0.5
12/22 05:20	6.8	↓-0.4
12/22 05:30	6.4	↓-0.4
12/22 05:40	6.0	↓-0.4
12/22 05:50	5.7	↓-0.3
12/22 06:00	5.3	↓-0.4
12/22 06:10	5.1	↓-0.2
12/22 06:20	4.8	↓-0.3
12/22 06:30	4.6	↓-0.2
12/22 06:40	4.5	↓-0.1
12/22 06:50	4.4	↓-0.1
12/22 07:00	4.3	↓-0.1
12/22 07:10	4.2	↓-0.1	干潮
12/22 07:20	4.3	↑0.1
12/22 07:30	4.3	0
12/22 07:40	4.4	↑0.1
12/22 07:50	4.5	↑0.1
12/22 08:00	4.7	↑0.2
12/22 08:10	4.9	↑0.2
12/22 08:20	5.1	↑0.2
12/22 08:30	5.4	↑0.3
12/22 08:40	5.7	↑0.3
12/22 08:50	6.0	↑0.3
12/22 09:00	6.4	↑0.4
12/22 09:10	6.8	↑0.4
12/22 09:20	7.2	↑0.4
12/22 09:30	7.6	↑0.4
12/22 09:40	8.1	↑0.5
12/22 09:50	8.6	↑0.5
12/22 10:00	9.1	↑0.5
12/22 10:10	9.6	↑0.5
12/22 10:20	10.2	↑0.6	最大潮位差
12/22 10:30	10.7	↑0.5
12/22 10:40	11.3	↑0.6	最大潮位差
12/22 10:50	11.8	↑0.5
12/22 11:00	12.4	↑0.6	最大潮位差
12/22 11:10	12.9	↑0.5
12/22 11:20	13.4	↑0.5
12/22 11:30	13.9	↑0.5
12/22 11:40	14.4	↑0.5
12/22 11:50	14.8	↑0.4
12/22 12:00	15.2	↑0.4
12/22 12:10	15.6	↑0.4
12/22 12:20	16.0	↑0.4
12/22 12:30	16.3	↑0.3
12/22 12:40	16.6	↑0.3
12/22 12:50	16.8	↑0.2
12/22 13:00	17.0	↑0.2
12/22 13:10	17.2	↑0.2
12/22 13:20	17.3	↑0.1
12/22 13:30	17.5	↑0.2
12/22 13:40	17.6	↑0.1
12/22 13:50	17.6	0
12/22 14:00	17.6	0
12/22 14:10	17.7	↑0.1	満潮
12/22 14:20	17.7	0
12/22 14:30	17.6	↓-0.1
12/22 14:40	17.6	0
12/22 14:50	17.5	↓-0.1
12/22 15:00	17.5	0
12/22 15:10	17.4	↓-0.1
12/22 15:20	17.2	↓-0.2
12/22 15:30	17.1	↓-0.1
12/22 15:40	17.0	↓-0.1
12/22 15:50	16.8	↓-0.2
12/22 16:00	16.7	↓-0.1
12/22 16:10	16.5	↓-0.2
12/22 16:20	16.3	↓-0.2
12/22 16:30	16.1	↓-0.2
12/22 16:40	15.9	↓-0.2
12/22 16:50	15.7	↓-0.2
12/22 17:00	15.4	↓-0.3
12/22 17:10	15.2	↓-0.2
12/22 17:20	15.0	↓-0.2
12/22 17:30	14.8	↓-0.2
12/22 17:40	14.6	↓-0.2
12/22 17:50	14.5	↓-0.1
12/22 18:00	14.3	↓-0.2
12/22 18:10	14.2	↓-0.1
12/22 18:20	14.0	↓-0.2
12/22 18:30	14.0	0
12/22 18:40	13.9	↓-0.1
12/22 18:50	13.8	↓-0.1
12/22 19:00	13.8	0	干潮
12/22 19:10	13.8	0
12/22 19:20	13.9	↑0.1
12/22 19:30	13.9	0
12/22 19:40	14.0	↑0.1
12/22 19:50	14.1	↑0.1
12/22 20:00	14.2	↑0.1
12/22 20:10	14.3	↑0.1
12/22 20:20	14.5	↑0.2
12/22 20:30	14.6	↑0.1
12/22 20:40	14.8	↑0.2
12/22 20:50	15.0	↑0.2
12/22 21:00	15.2	↑0.2
12/22 21:10	15.5	↑0.3
12/22 21:20	15.7	↑0.2
12/22 21:30	15.9	↑0.2
12/22 21:40	16.2	↑0.3
12/22 21:50	16.4	↑0.2
12/22 22:00	16.7	↑0.3
12/22 22:10	17.0	↑0.3
12/22 22:20	17.2	↑0.2
12/22 22:30	17.5	↑0.3
12/22 22:40	17.8	↑0.3
12/22 22:50	18.1	↑0.3
12/22 23:00	18.3	↑0.2
12/22 23:10	18.5	↑0.2
12/22 23:20	18.8	↑0.3
12/22 23:30	19.0	↑0.2
12/22 23:40	19.1	↑0.1
12/22 23:50	19.3	↑0.2