31 (水)	04:18	11:33	18:40	23:40
	25cm	0cm	23cm	17cm
中潮 出 07:07 入 16:07 出 18:45 入 08:12 潮干狩り ◎ 09:06～14:07

留萌（北海道）2031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	17.9	↑0.2
12/31 00:10	18.0	↑0.1
12/31 00:20	18.1	↑0.1
12/31 00:30	18.3	↑0.2
12/31 00:40	18.5	↑0.2
12/31 00:50	18.7	↑0.2
12/31 01:00	18.9	↑0.2
12/31 01:10	19.2	↑0.3
12/31 01:20	19.5	↑0.3
12/31 01:30	19.7	↑0.2
12/31 01:40	20.1	↑0.4
12/31 01:50	20.4	↑0.3
12/31 02:00	20.7	↑0.3
12/31 02:10	21.1	↑0.4
12/31 02:20	21.4	↑0.3
12/31 02:30	21.8	↑0.4
12/31 02:40	22.1	↑0.3
12/31 02:50	22.5	↑0.4
12/31 03:00	22.8	↑0.3
12/31 03:10	23.1	↑0.3
12/31 03:20	23.4	↑0.3
12/31 03:30	23.7	↑0.3
12/31 03:40	23.9	↑0.2
12/31 03:50	24.0	↑0.1
12/31 04:00	24.2	↑0.2
12/31 04:10	24.2	0	満潮
12/31 04:20	24.2	0
12/31 04:30	24.2	0
12/31 04:40	24.1	↓-0.1
12/31 04:50	23.9	↓-0.2
12/31 05:00	23.7	↓-0.2
12/31 05:10	23.4	↓-0.3
12/31 05:20	23.1	↓-0.3
12/31 05:30	22.7	↓-0.4
12/31 05:40	22.2	↓-0.5
12/31 05:50	21.7	↓-0.5
12/31 06:00	21.1	↓-0.6
12/31 06:10	20.5	↓-0.6
12/31 06:20	19.9	↓-0.6
12/31 06:30	19.2	↓-0.7
12/31 06:40	18.4	↓-0.8
12/31 06:50	17.7	↓-0.7
12/31 07:00	16.9	↓-0.8
12/31 07:10	16.0	↓-0.9
12/31 07:20	15.2	↓-0.8
12/31 07:30	14.3	↓-0.9
12/31 07:40	13.4	↓-0.9
12/31 07:50	12.5	↓-0.9
12/31 08:00	11.6	↓-0.9
12/31 08:10	10.7	↓-0.9
12/31 08:20	9.8	↓-0.9
12/31 08:30	8.9	↓-0.9
12/31 08:40	8.0	↓-0.9
12/31 08:50	7.1	↓-0.9
12/31 09:00	6.2	↓-0.9
12/31 09:10	5.4	↓-0.8
12/31 09:20	4.6	↓-0.8
12/31 09:30	3.8	↓-0.8
12/31 09:40	3.1	↓-0.7
12/31 09:50	2.4	↓-0.7
12/31 10:00	1.8	↓-0.6
12/31 10:10	1.3	↓-0.5
12/31 10:20	0.8	↓-0.5
12/31 10:30	0.3	↓-0.5
12/31 10:40	0.0	↓-0.3
12/31 10:50	-0.3	0
12/31 11:00	-0.6	↓-0.3
12/31 11:10	-0.8	↓-0.2
12/31 11:20	-0.9	↓-0.1
12/31 11:30	-0.9	0	干潮
12/31 11:40	-0.9	0
12/31 11:50	-0.8	↑0.1
12/31 12:00	-0.7	↑0.1
12/31 12:10	-0.5	↑0.2
12/31 12:20	-0.2	↑0.3
12/31 12:30	0.1	↑0.3
12/31 12:40	0.5	↑0.4
12/31 12:50	0.9	↑0.4
12/31 13:00	1.4	↑0.5
12/31 13:10	1.9	↑0.5
12/31 13:20	2.5	↑0.6
12/31 13:30	3.1	↑0.6
12/31 13:40	3.8	↑0.7
12/31 13:50	4.5	↑0.7
12/31 14:00	5.2	↑0.7
12/31 14:10	6.0	↑0.8
12/31 14:20	6.9	↑0.9
12/31 14:30	7.7	↑0.8
12/31 14:40	8.6	↑0.9
12/31 14:50	9.5	↑0.9
12/31 15:00	10.4	↑0.9
12/31 15:10	11.4	↑1.0	最大潮位差
12/31 15:20	12.3	↑0.9
12/31 15:30	13.2	↑0.9
12/31 15:40	14.1	↑0.9
12/31 15:50	15.0	↑0.9
12/31 16:00	15.8	↑0.8
12/31 16:10	16.6	↑0.8
12/31 16:20	17.4	↑0.8
12/31 16:30	18.1	↑0.7
12/31 16:40	18.7	↑0.6
12/31 16:50	19.3	↑0.6
12/31 17:00	19.9	↑0.6
12/31 17:10	20.4	↑0.5
12/31 17:20	20.8	↑0.4
12/31 17:30	21.2	↑0.4
12/31 17:40	21.5	↑0.3
12/31 17:50	21.8	↑0.3
12/31 18:00	22.0	↑0.2
12/31 18:10	22.2	↑0.2
12/31 18:20	22.3	↑0.1
12/31 18:30	22.3	0	満潮
12/31 18:40	22.3	0	満潮
12/31 18:50	22.3	0
12/31 19:00	22.3	0
12/31 19:10	22.1	↓-0.2
12/31 19:20	22.0	↓-0.1
12/31 19:30	21.8	↓-0.2
12/31 19:40	21.6	↓-0.2
12/31 19:50	21.4	↓-0.2
12/31 20:00	21.2	↓-0.2
12/31 20:10	20.9	↓-0.3
12/31 20:20	20.6	↓-0.3
12/31 20:30	20.3	↓-0.3
12/31 20:40	20.0	↓-0.3
12/31 20:50	19.6	↓-0.4
12/31 21:00	19.3	↓-0.3
12/31 21:10	19.0	↓-0.3
12/31 21:20	18.6	↓-0.4
12/31 21:30	18.3	↓-0.3
12/31 21:40	18.0	↓-0.3
12/31 21:50	17.7	↓-0.3
12/31 22:00	17.4	↓-0.3
12/31 22:10	17.2	↓-0.2
12/31 22:20	17.0	↓-0.2
12/31 22:30	16.7	↓-0.3
12/31 22:40	16.6	↓-0.1
12/31 22:50	16.4	↓-0.2
12/31 23:00	16.3	↓-0.1
12/31 23:10	16.2	↓-0.1
12/31 23:20	16.1	↓-0.1
12/31 23:30	16.1	0	干潮
12/31 23:40	16.1	0	干潮
12/31 23:50	16.1	0