22 (月)	10:55	04:52	22:26	16:30
	16cm	9cm	20cm	14cm
小潮 出 07:04 入 16:01 出 11:50 入 00:18

留萌（北海道）2031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	16.7	↓-0.4	最大潮位差
12/22 00:10	16.4	↓-0.3
12/22 00:20	16.0	↓-0.4	最大潮位差
12/22 00:30	15.6	↓-0.4	最大潮位差
12/22 00:40	15.2	↓-0.4	最大潮位差
12/22 00:50	14.8	↓-0.4	最大潮位差
12/22 01:00	14.4	↓-0.4	最大潮位差
12/22 01:10	14.1	↓-0.3
12/22 01:20	13.7	↓-0.4	最大潮位差
12/22 01:30	13.3	↓-0.4	最大潮位差
12/22 01:40	13.0	↓-0.3
12/22 01:50	12.6	↓-0.4	最大潮位差
12/22 02:00	12.3	↓-0.3
12/22 02:10	11.9	↓-0.4	最大潮位差
12/22 02:20	11.6	↓-0.3
12/22 02:30	11.3	↓-0.3
12/22 02:40	11.0	↓-0.3
12/22 02:50	10.7	↓-0.3
12/22 03:00	10.5	↓-0.2
12/22 03:10	10.2	↓-0.3
12/22 03:20	10.0	↓-0.2
12/22 03:30	9.7	↓-0.3
12/22 03:40	9.5	↓-0.2
12/22 03:50	9.4	↓-0.1
12/22 04:00	9.2	↓-0.2
12/22 04:10	9.1	↓-0.1
12/22 04:20	9.0	↓-0.1
12/22 04:30	8.9	↓-0.1
12/22 04:40	8.9	0
12/22 04:50	8.9	0	干潮
12/22 05:00	8.9	0
12/22 05:10	8.9	0
12/22 05:20	9.0	↑0.1
12/22 05:30	9.1	↑0.1
12/22 05:40	9.2	↑0.1
12/22 05:50	9.3	↑0.1
12/22 06:00	9.5	↑0.2
12/22 06:10	9.7	↑0.2
12/22 06:20	9.9	↑0.2
12/22 06:30	10.1	↑0.2
12/22 06:40	10.4	↑0.3
12/22 06:50	10.6	↑0.2
12/22 07:00	10.9	↑0.3
12/22 07:10	11.2	↑0.3
12/22 07:20	11.5	↑0.3
12/22 07:30	11.8	↑0.3
12/22 07:40	12.0	↑0.2
12/22 07:50	12.3	↑0.3
12/22 08:00	12.6	↑0.3
12/22 08:10	12.9	↑0.3
12/22 08:20	13.2	↑0.3
12/22 08:30	13.4	↑0.2
12/22 08:40	13.7	↑0.3
12/22 08:50	14.0	↑0.3
12/22 09:00	14.2	↑0.2
12/22 09:10	14.4	↑0.2
12/22 09:20	14.6	↑0.2
12/22 09:30	14.8	↑0.2
12/22 09:40	15.0	↑0.2
12/22 09:50	15.1	↑0.1
12/22 10:00	15.2	↑0.1
12/22 10:10	15.3	↑0.1
12/22 10:20	15.4	↑0.1
12/22 10:30	15.5	↑0.1
12/22 10:40	15.5	0
12/22 10:50	15.6	↑0.1	満潮
12/22 11:00	15.6	0
12/22 11:10	15.5	↓-0.1
12/22 11:20	15.5	0
12/22 11:30	15.4	↓-0.1
12/22 11:40	15.4	0
12/22 11:50	15.3	↓-0.1
12/22 12:00	15.2	↓-0.1
12/22 12:10	15.1	↓-0.1
12/22 12:20	15.0	↓-0.1
12/22 12:30	14.9	↓-0.1
12/22 12:40	14.8	↓-0.1
12/22 12:50	14.7	↓-0.1
12/22 13:00	14.6	↓-0.1
12/22 13:10	14.5	↓-0.1
12/22 13:20	14.4	↓-0.1
12/22 13:30	14.3	↓-0.1
12/22 13:40	14.2	↓-0.1
12/22 13:50	14.2	0
12/22 14:00	14.1	↓-0.1
12/22 14:10	14.0	↓-0.1
12/22 14:20	13.9	↓-0.1
12/22 14:30	13.8	↓-0.1
12/22 14:40	13.7	↓-0.1
12/22 14:50	13.6	↓-0.1
12/22 15:00	13.5	↓-0.1
12/22 15:10	13.5	0
12/22 15:20	13.4	↓-0.1
12/22 15:30	13.3	↓-0.1
12/22 15:40	13.2	↓-0.1
12/22 15:50	13.2	0
12/22 16:00	13.1	↓-0.1
12/22 16:10	13.1	0
12/22 16:20	13.1	0	干潮
12/22 16:30	13.1	0	干潮
12/22 16:40	13.1	0
12/22 16:50	13.1	0
12/22 17:00	13.2	↑0.1
12/22 17:10	13.2	0
12/22 17:20	13.3	↑0.1
12/22 17:30	13.4	↑0.1
12/22 17:40	13.6	↑0.2
12/22 17:50	13.7	↑0.1
12/22 18:00	13.9	↑0.2
12/22 18:10	14.1	↑0.2
12/22 18:20	14.3	↑0.2
12/22 18:30	14.5	↑0.2
12/22 18:40	14.8	↑0.3
12/22 18:50	15.0	↑0.2
12/22 19:00	15.3	↑0.3
12/22 19:10	15.6	↑0.3
12/22 19:20	15.9	↑0.3
12/22 19:30	16.2	↑0.3
12/22 19:40	16.5	↑0.3
12/22 19:50	16.8	↑0.3
12/22 20:00	17.0	↑0.2
12/22 20:10	17.3	↑0.3
12/22 20:20	17.6	↑0.3
12/22 20:30	17.9	↑0.3
12/22 20:40	18.2	↑0.3
12/22 20:50	18.4	↑0.2
12/22 21:00	18.7	↑0.3
12/22 21:10	18.9	↑0.2
12/22 21:20	19.1	↑0.2
12/22 21:30	19.3	↑0.2
12/22 21:40	19.4	↑0.1
12/22 21:50	19.6	↑0.2
12/22 22:00	19.7	↑0.1
12/22 22:10	19.7	0
12/22 22:20	19.8	↑0.1	満潮
12/22 22:30	19.8	0
12/22 22:40	19.7	↓-0.1
12/22 22:50	19.6	↓-0.1
12/22 23:00	19.5	↓-0.1
12/22 23:10	19.4	↓-0.1
12/22 23:20	19.2	↓-0.2
12/22 23:30	19.0	↓-0.2
12/22 23:40	18.7	↓-0.3
12/22 23:50	18.5	↓-0.2