31 (土)	14:01	06:07	23:30	17:58
	17cm	5cm	21cm	16cm
長潮 出 07:07 入 16:08 出 12:37 入 01:33

留萌（北海道）2033年12月31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
12/31 00:00	18.5	↓-0.3
12/31 00:10	18.1	↓-0.4
12/31 00:20	17.8	↓-0.3
12/31 00:30	17.4	↓-0.4
12/31 00:40	16.9	↓-0.5	最大潮位差
12/31 00:50	16.5	↓-0.4
12/31 01:00	16.0	↓-0.5	最大潮位差
12/31 01:10	15.6	↓-0.4
12/31 01:20	15.1	↓-0.5	最大潮位差
12/31 01:30	14.6	↓-0.5	最大潮位差
12/31 01:40	14.1	↓-0.5	最大潮位差
12/31 01:50	13.6	↓-0.5	最大潮位差
12/31 02:00	13.1	↓-0.5	最大潮位差
12/31 02:10	12.6	↓-0.5	最大潮位差
12/31 02:20	12.1	↓-0.5	最大潮位差
12/31 02:30	11.6	↓-0.5	最大潮位差
12/31 02:40	11.1	↓-0.5	最大潮位差
12/31 02:50	10.7	↓-0.4
12/31 03:00	10.2	↓-0.5	最大潮位差
12/31 03:10	9.7	↓-0.5	最大潮位差
12/31 03:20	9.3	↓-0.4
12/31 03:30	8.8	↓-0.5	最大潮位差
12/31 03:40	8.4	↓-0.4
12/31 03:50	8.0	↓-0.4
12/31 04:00	7.5	↓-0.5	最大潮位差
12/31 04:10	7.2	↓-0.3
12/31 04:20	6.8	↓-0.4
12/31 04:30	6.5	↓-0.3
12/31 04:40	6.1	↓-0.4
12/31 04:50	5.8	↓-0.3
12/31 05:00	5.6	↓-0.2
12/31 05:10	5.4	↓-0.2
12/31 05:20	5.2	↓-0.2
12/31 05:30	5.0	↓-0.2
12/31 05:40	4.9	↓-0.1
12/31 05:50	4.8	↓-0.1
12/31 06:00	4.8	0	干潮
12/31 06:10	4.8	0
12/31 06:20	4.8	0
12/31 06:30	4.9	↑0.1
12/31 06:40	5.0	↑0.1
12/31 06:50	5.1	↑0.1
12/31 07:00	5.3	↑0.2
12/31 07:10	5.5	↑0.2
12/31 07:20	5.7	↑0.2
12/31 07:30	6.0	↑0.3
12/31 07:40	6.2	↑0.2
12/31 07:50	6.5	↑0.3
12/31 08:00	6.8	↑0.3
12/31 08:10	7.2	↑0.4
12/31 08:20	7.5	↑0.3
12/31 08:30	7.9	↑0.4
12/31 08:40	8.3	↑0.4
12/31 08:50	8.7	↑0.4
12/31 09:00	9.1	↑0.4
12/31 09:10	9.5	↑0.4
12/31 09:20	9.9	↑0.4
12/31 09:30	10.3	↑0.4
12/31 09:40	10.7	↑0.4
12/31 09:50	11.2	↑0.5	最大潮位差
12/31 10:00	11.6	↑0.4
12/31 10:10	12.0	↑0.4
12/31 10:20	12.4	↑0.4
12/31 10:30	12.8	↑0.4
12/31 10:40	13.2	↑0.4
12/31 10:50	13.6	↑0.4
12/31 11:00	13.9	↑0.3
12/31 11:10	14.3	↑0.4
12/31 11:20	14.6	↑0.3
12/31 11:30	14.9	↑0.3
12/31 11:40	15.1	↑0.2
12/31 11:50	15.3	↑0.2
12/31 12:00	15.5	↑0.2
12/31 12:10	15.7	↑0.2
12/31 12:20	15.9	↑0.2
12/31 12:30	16.0	↑0.1
12/31 12:40	16.1	↑0.1
12/31 12:50	16.2	↑0.1
12/31 13:00	16.2	0
12/31 13:10	16.3	↑0.1
12/31 13:20	16.3	0
12/31 13:30	16.4	↑0.1
12/31 13:40	16.4	0
12/31 13:50	16.4	0
12/31 14:00	16.4	0	満潮
12/31 14:10	16.4	0
12/31 14:20	16.4	0
12/31 14:30	16.4	0
12/31 14:40	16.3	↓-0.1
12/31 14:50	16.3	0
12/31 15:00	16.3	0
12/31 15:10	16.2	↓-0.1
12/31 15:20	16.2	0
12/31 15:30	16.2	0
12/31 15:40	16.1	↓-0.1
12/31 15:50	16.0	↓-0.1
12/31 16:00	15.9	↓-0.1
12/31 16:10	15.9	0
12/31 16:20	15.8	↓-0.1
12/31 16:30	15.7	↓-0.1
12/31 16:40	15.6	↓-0.1
12/31 16:50	15.5	↓-0.1
12/31 17:00	15.4	↓-0.1
12/31 17:10	15.4	0
12/31 17:20	15.3	↓-0.1
12/31 17:30	15.3	0
12/31 17:40	15.2	↓-0.1
12/31 17:50	15.2	0	干潮
12/31 18:00	15.2	0
12/31 18:10	15.2	0
12/31 18:20	15.2	0
12/31 18:30	15.3	↑0.1
12/31 18:40	15.4	↑0.1
12/31 18:50	15.5	↑0.1
12/31 19:00	15.6	↑0.1
12/31 19:10	15.7	↑0.1
12/31 19:20	15.9	↑0.2
12/31 19:30	16.0	↑0.1
12/31 19:40	16.2	↑0.2
12/31 19:50	16.4	↑0.2
12/31 20:00	16.6	↑0.2
12/31 20:10	16.8	↑0.2
12/31 20:20	17.0	↑0.2
12/31 20:30	17.2	↑0.2
12/31 20:40	17.4	↑0.2
12/31 20:50	17.7	↑0.3
12/31 21:00	17.9	↑0.2
12/31 21:10	18.2	↑0.3
12/31 21:20	18.4	↑0.2
12/31 21:30	18.7	↑0.3
12/31 21:40	18.9	↑0.2
12/31 21:50	19.1	↑0.2
12/31 22:00	19.4	↑0.3
12/31 22:10	19.6	↑0.2
12/31 22:20	19.8	↑0.2
12/31 22:30	20.0	↑0.2
12/31 22:40	20.2	↑0.2
12/31 22:50	20.3	↑0.1
12/31 23:00	20.4	↑0.1
12/31 23:10	20.5	↑0.1
12/31 23:20	20.6	↑0.1	満潮
12/31 23:30	20.6	0	満潮
12/31 23:40	20.5	↓-0.1
12/31 23:50	20.5	0