11 (月)	12:23	05:55	23:07	17:23
	17cm	7cm	20cm	14cm
若潮 出 06:57 入 15:58 出 01:09 入 12:16

留萌（北海道）2028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	17.4	↓-0.2
12/11 00:10	17.1	↓-0.3
12/11 00:20	16.8	↓-0.3
12/11 00:30	16.4	↓-0.4
12/11 00:40	16.1	↓-0.3
12/11 00:50	15.7	↓-0.4
12/11 01:00	15.4	↓-0.3
12/11 01:10	15.0	↓-0.4
12/11 01:20	14.6	↓-0.4
12/11 01:30	14.2	↓-0.4
12/11 01:40	13.8	↓-0.4
12/11 01:50	13.4	↓-0.4
12/11 02:00	13.0	↓-0.4
12/11 02:10	12.7	↓-0.3
12/11 02:20	12.3	↓-0.4
12/11 02:30	11.9	↓-0.4
12/11 02:40	11.5	↓-0.4
12/11 02:50	11.1	↓-0.4
12/11 03:00	10.7	↓-0.4
12/11 03:10	10.4	↓-0.3
12/11 03:20	10.0	↓-0.4
12/11 03:30	9.6	↓-0.4
12/11 03:40	9.3	↓-0.3
12/11 03:50	8.9	↓-0.4
12/11 04:00	8.6	↓-0.3
12/11 04:10	8.3	↓-0.3
12/11 04:20	8.0	↓-0.3
12/11 04:30	7.7	↓-0.3
12/11 04:40	7.5	↓-0.2
12/11 04:50	7.3	↓-0.2
12/11 05:00	7.1	↓-0.2
12/11 05:10	6.9	↓-0.2
12/11 05:20	6.8	↓-0.1
12/11 05:30	6.7	↓-0.1
12/11 05:40	6.6	↓-0.1
12/11 05:50	6.6	0	干潮
12/11 06:00	6.6	0
12/11 06:10	6.6	0
12/11 06:20	6.7	↑0.1
12/11 06:30	6.8	↑0.1
12/11 06:40	6.9	↑0.1
12/11 06:50	7.1	↑0.2
12/11 07:00	7.3	↑0.2
12/11 07:10	7.5	↑0.2
12/11 07:20	7.8	↑0.3
12/11 07:30	8.0	↑0.2
12/11 07:40	8.3	↑0.3
12/11 07:50	8.7	↑0.4
12/11 08:00	9.0	↑0.3
12/11 08:10	9.4	↑0.4
12/11 08:20	9.7	↑0.3
12/11 08:30	10.1	↑0.4
12/11 08:40	10.5	↑0.4
12/11 08:50	10.9	↑0.4
12/11 09:00	11.3	↑0.4
12/11 09:10	11.7	↑0.4
12/11 09:20	12.1	↑0.4
12/11 09:30	12.5	↑0.4
12/11 09:40	13.0	↑0.5	最大潮位差
12/11 09:50	13.3	↑0.3
12/11 10:00	13.7	↑0.4
12/11 10:10	14.1	↑0.4
12/11 10:20	14.5	↑0.4
12/11 10:30	14.8	↑0.3
12/11 10:40	15.1	↑0.3
12/11 10:50	15.4	↑0.3
12/11 11:00	15.6	↑0.2
12/11 11:10	15.9	↑0.3
12/11 11:20	16.1	↑0.2
12/11 11:30	16.2	↑0.1
12/11 11:40	16.4	↑0.2
12/11 11:50	16.5	↑0.1
12/11 12:00	16.6	↑0.1
12/11 12:10	16.6	0
12/11 12:20	16.6	0	満潮
12/11 12:30	16.6	0
12/11 12:40	16.6	0
12/11 12:50	16.5	↓-0.1
12/11 13:00	16.5	0
12/11 13:10	16.4	↓-0.1
12/11 13:20	16.3	↓-0.1
12/11 13:30	16.2	↓-0.1
12/11 13:40	16.1	↓-0.1
12/11 13:50	16.0	↓-0.1
12/11 14:00	15.9	↓-0.1
12/11 14:10	15.7	↓-0.2
12/11 14:20	15.6	↓-0.1
12/11 14:30	15.5	↓-0.1
12/11 14:40	15.4	↓-0.1
12/11 14:50	15.2	↓-0.2
12/11 15:00	15.1	↓-0.1
12/11 15:10	15.0	↓-0.1
12/11 15:20	14.9	↓-0.1
12/11 15:30	14.7	↓-0.2
12/11 15:40	14.6	↓-0.1
12/11 15:50	14.5	↓-0.1
12/11 16:00	14.4	↓-0.1
12/11 16:10	14.3	↓-0.1
12/11 16:20	14.2	↓-0.1
12/11 16:30	14.1	↓-0.1
12/11 16:40	14.0	↓-0.1
12/11 16:50	13.9	↓-0.1
12/11 17:00	13.9	0
12/11 17:10	13.9	0
12/11 17:20	13.8	↓-0.1	干潮
12/11 17:30	13.9	↑0.1
12/11 17:40	13.9	0
12/11 17:50	13.9	0
12/11 18:00	14.0	↑0.1
12/11 18:10	14.1	↑0.1
12/11 18:20	14.2	↑0.1
12/11 18:30	14.3	↑0.1
12/11 18:40	14.5	↑0.2
12/11 18:50	14.7	↑0.2
12/11 19:00	14.9	↑0.2
12/11 19:10	15.1	↑0.2
12/11 19:20	15.3	↑0.2
12/11 19:30	15.5	↑0.2
12/11 19:40	15.7	↑0.2
12/11 19:50	16.0	↑0.3
12/11 20:00	16.2	↑0.2
12/11 20:10	16.4	↑0.2
12/11 20:20	16.7	↑0.3
12/11 20:30	16.9	↑0.2
12/11 20:40	17.2	↑0.3
12/11 20:50	17.4	↑0.2
12/11 21:00	17.7	↑0.3
12/11 21:10	17.9	↑0.2
12/11 21:20	18.1	↑0.2
12/11 21:30	18.3	↑0.2
12/11 21:40	18.5	↑0.2
12/11 21:50	18.7	↑0.2
12/11 22:00	18.9	↑0.2
12/11 22:10	19.1	↑0.2
12/11 22:20	19.2	↑0.1
12/11 22:30	19.4	↑0.2
12/11 22:40	19.5	↑0.1
12/11 22:50	19.5	0
12/11 23:00	19.6	↑0.1	満潮
12/11 23:10	19.6	0
12/11 23:20	19.5	↓-0.1
12/11 23:30	19.5	0
12/11 23:40	19.4	↓-0.1
12/11 23:50	19.2	↓-0.2