11 (火)	00:51	07:46	13:56	19:37
	20cm	10cm	20cm	14cm
中潮 出 06:22 入 16:15 出 02:07 入 13:59

留萌（北海道）2031年11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
11/11 00:00	19.4	↑0.2
11/11 00:10	19.6	↑0.2
11/11 00:20	19.7	↑0.1
11/11 00:30	19.8	↑0.1
11/11 00:40	19.8	0
11/11 00:50	19.8	0	満潮
11/11 01:00	19.8	0
11/11 01:10	19.8	0
11/11 01:20	19.7	↓-0.1
11/11 01:30	19.6	↓-0.1
11/11 01:40	19.4	↓-0.2
11/11 01:50	19.3	↓-0.1
11/11 02:00	19.1	↓-0.2
11/11 02:10	18.9	↓-0.2
11/11 02:20	18.7	↓-0.2
11/11 02:30	18.5	↓-0.2
11/11 02:40	18.2	↓-0.3
11/11 02:50	17.9	↓-0.3
11/11 03:00	17.7	↓-0.2
11/11 03:10	17.4	↓-0.3
11/11 03:20	17.1	↓-0.3
11/11 03:30	16.8	↓-0.3
11/11 03:40	16.5	↓-0.3
11/11 03:50	16.2	↓-0.3
11/11 04:00	15.8	↓-0.4
11/11 04:10	15.5	↓-0.3
11/11 04:20	15.1	↓-0.4
11/11 04:30	14.7	↓-0.4
11/11 04:40	14.4	↓-0.3
11/11 04:50	14.0	↓-0.4
11/11 05:00	13.6	↓-0.4
11/11 05:10	13.2	↓-0.4
11/11 05:20	12.9	↓-0.3
11/11 05:30	12.5	↓-0.4
11/11 05:40	12.1	↓-0.4
11/11 05:50	11.8	↓-0.3
11/11 06:00	11.5	↓-0.3
11/11 06:10	11.2	↓-0.3
11/11 06:20	10.9	↓-0.3
11/11 06:30	10.6	↓-0.3
11/11 06:40	10.4	↓-0.2
11/11 06:50	10.2	↓-0.2
11/11 07:00	10.0	↓-0.2
11/11 07:10	9.9	↓-0.1
11/11 07:20	9.8	↓-0.1
11/11 07:30	9.7	↓-0.1
11/11 07:40	9.7	0	干潮
11/11 07:50	9.7	0
11/11 08:00	9.7	0
11/11 08:10	9.8	↑0.1
11/11 08:20	9.9	↑0.1
11/11 08:30	10.0	↑0.1
11/11 08:40	10.2	↑0.2
11/11 08:50	10.3	↑0.1
11/11 09:00	10.5	↑0.2
11/11 09:10	10.8	↑0.3
11/11 09:20	11.0	↑0.2
11/11 09:30	11.3	↑0.3
11/11 09:40	11.6	↑0.3
11/11 09:50	11.9	↑0.3
11/11 10:00	12.3	↑0.4
11/11 10:10	12.6	↑0.3
11/11 10:20	13.0	↑0.4
11/11 10:30	13.4	↑0.4
11/11 10:40	13.9	↑0.5	最大潮位差
11/11 10:50	14.3	↑0.4
11/11 11:00	14.7	↑0.4
11/11 11:10	15.2	↑0.5	最大潮位差
11/11 11:20	15.6	↑0.4
11/11 11:30	16.1	↑0.5	最大潮位差
11/11 11:40	16.5	↑0.4
11/11 11:50	16.9	↑0.4
11/11 12:00	17.3	↑0.4
11/11 12:10	17.7	↑0.4
11/11 12:20	18.0	↑0.3
11/11 12:30	18.4	↑0.4
11/11 12:40	18.6	↑0.2
11/11 12:50	18.9	↑0.3
11/11 13:00	19.1	↑0.2
11/11 13:10	19.3	↑0.2
11/11 13:20	19.4	↑0.1
11/11 13:30	19.5	↑0.1
11/11 13:40	19.6	↑0.1
11/11 13:50	19.6	0	満潮
11/11 14:00	19.6	0
11/11 14:10	19.6	0
11/11 14:20	19.5	↓-0.1
11/11 14:30	19.4	↓-0.1
11/11 14:40	19.3	↓-0.1
11/11 14:50	19.2	↓-0.1
11/11 15:00	19.1	↓-0.1
11/11 15:10	18.9	↓-0.2
11/11 15:20	18.8	↓-0.1
11/11 15:30	18.6	↓-0.2
11/11 15:40	18.4	↓-0.2
11/11 15:50	18.2	↓-0.2
11/11 16:00	17.9	↓-0.3
11/11 16:10	17.7	↓-0.2
11/11 16:20	17.5	↓-0.2
11/11 16:30	17.2	↓-0.3
11/11 16:40	16.9	↓-0.3
11/11 16:50	16.6	↓-0.3
11/11 17:00	16.4	↓-0.2
11/11 17:10	16.1	↓-0.3
11/11 17:20	15.8	↓-0.3
11/11 17:30	15.5	↓-0.3
11/11 17:40	15.2	↓-0.3
11/11 17:50	15.0	↓-0.2
11/11 18:00	14.7	↓-0.3
11/11 18:10	14.5	↓-0.2
11/11 18:20	14.2	↓-0.3
11/11 18:30	14.0	↓-0.2
11/11 18:40	13.9	↓-0.1
11/11 18:50	13.7	↓-0.2
11/11 19:00	13.6	↓-0.1
11/11 19:10	13.5	↓-0.1
11/11 19:20	13.4	↓-0.1
11/11 19:30	13.4	0	干潮
11/11 19:40	13.4	0
11/11 19:50	13.4	0
11/11 20:00	13.5	↑0.1
11/11 20:10	13.5	0
11/11 20:20	13.6	↑0.1
11/11 20:30	13.8	↑0.2
11/11 20:40	13.9	↑0.1
11/11 20:50	14.1	↑0.2
11/11 21:00	14.3	↑0.2
11/11 21:10	14.4	↑0.1
11/11 21:20	14.7	↑0.3
11/11 21:30	14.9	↑0.2
11/11 21:40	15.1	↑0.2
11/11 21:50	15.4	↑0.3
11/11 22:00	15.6	↑0.2
11/11 22:10	15.9	↑0.3
11/11 22:20	16.2	↑0.3
11/11 22:30	16.5	↑0.3
11/11 22:40	16.8	↑0.3
11/11 22:50	17.1	↑0.3
11/11 23:00	17.5	↑0.4
11/11 23:10	17.8	↑0.3
11/11 23:20	18.1	↑0.3
11/11 23:30	18.4	↑0.3
11/11 23:40	18.7	↑0.3
11/11 23:50	19.0	↑0.3