31 (木)	03:08	10:49	18:36	22:46
	26cm	-3cm	26cm	22cm
大潮 出 07:07 入 16:08 出 17:01 入 08:01 潮干狩り ◎ 08:03～13:40

留萌（北海道）2020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	22.4	↑0.1
12/31 00:10	22.6	↑0.2
12/31 00:20	22.7	↑0.1
12/31 00:30	22.9	↑0.2
12/31 00:40	23.1	↑0.2
12/31 00:50	23.3	↑0.2
12/31 01:00	23.5	↑0.2
12/31 01:10	23.7	↑0.2
12/31 01:20	23.9	↑0.2
12/31 01:30	24.1	↑0.2
12/31 01:40	24.3	↑0.2
12/31 01:50	24.5	↑0.2
12/31 02:00	24.7	↑0.2
12/31 02:10	24.9	↑0.2
12/31 02:20	25.1	↑0.2
12/31 02:30	25.2	↑0.1
12/31 02:40	25.3	↑0.1
12/31 02:50	25.4	↑0.1
12/31 03:00	25.5	↑0.1	満潮
12/31 03:10	25.5	0
12/31 03:20	25.4	↓-0.1
12/31 03:30	25.4	0
12/31 03:40	25.2	↓-0.2
12/31 03:50	25.0	↓-0.2
12/31 04:00	24.8	↓-0.2
12/31 04:10	24.4	↓-0.4
12/31 04:20	24.1	↓-0.3
12/31 04:30	23.6	↓-0.5
12/31 04:40	23.1	↓-0.5
12/31 04:50	22.6	↓-0.5
12/31 05:00	22.0	↓-0.6
12/31 05:10	21.3	↓-0.7
12/31 05:20	20.6	↓-0.7
12/31 05:30	19.9	↓-0.7
12/31 05:40	19.1	↓-0.8
12/31 05:50	18.3	↓-0.8
12/31 06:00	17.4	↓-0.9
12/31 06:10	16.6	↓-0.8
12/31 06:20	15.7	↓-0.9
12/31 06:30	14.7	↓-1.0
12/31 06:40	13.8	↓-0.9
12/31 06:50	12.8	↓-1.0
12/31 07:00	11.9	↓-0.9
12/31 07:10	10.9	↓-1.0
12/31 07:20	9.9	↓-1.0
12/31 07:30	8.9	↓-1.0
12/31 07:40	7.9	↓-1.0
12/31 07:50	7.0	↓-0.9
12/31 08:00	6.0	↓-1.0
12/31 08:10	5.1	↓-0.9
12/31 08:20	4.2	↓-0.9
12/31 08:30	3.3	↓-0.9
12/31 08:40	2.4	↓-0.9
12/31 08:50	1.6	↓-0.8
12/31 09:00	0.9	↓-0.7
12/31 09:10	0.2	↓-0.7
12/31 09:20	-0.5	↓-0.7
12/31 09:30	-1.0	↓-0.5
12/31 09:40	-1.6	↓-0.6
12/31 09:50	-2.0	↓-0.4
12/31 10:00	-2.4	↓-0.4
12/31 10:10	-2.7	↓-0.3
12/31 10:20	-2.9	↓-0.2
12/31 10:30	-3.1	↓-0.2
12/31 10:40	-3.2	↓-0.1	干潮
12/31 10:50	-3.2	0
12/31 11:00	-3.1	↑0.1
12/31 11:10	-3.0	↑0.1
12/31 11:20	-2.8	↑0.2
12/31 11:30	-2.6	↑0.2
12/31 11:40	-2.3	↑0.3
12/31 11:50	-1.9	↑0.4
12/31 12:00	-1.5	↑0.4
12/31 12:10	-1.0	↑0.5
12/31 12:20	-0.4	↑0.6
12/31 12:30	0.2	↑0.6
12/31 12:40	0.9	↑0.7
12/31 12:50	1.6	↑0.7
12/31 13:00	2.3	↑0.7
12/31 13:10	3.1	↑0.8
12/31 13:20	4.0	↑0.9
12/31 13:30	4.9	↑0.9
12/31 13:40	5.8	↑0.9
12/31 13:50	6.8	↑1.0
12/31 14:00	7.8	↑1.0
12/31 14:10	8.8	↑1.0
12/31 14:20	9.8	↑1.0
12/31 14:30	10.8	↑1.0
12/31 14:40	11.9	↑1.1	最大潮位差
12/31 14:50	12.9	↑1.0
12/31 15:00	14.0	↑1.1	最大潮位差
12/31 15:10	15.0	↑1.0
12/31 15:20	16.0	↑1.0
12/31 15:30	16.9	↑0.9
12/31 15:40	17.8	↑0.9
12/31 15:50	18.7	↑0.9
12/31 16:00	19.5	↑0.8
12/31 16:10	20.3	↑0.8
12/31 16:20	21.0	↑0.7
12/31 16:30	21.7	↑0.7
12/31 16:40	22.3	↑0.6
12/31 16:50	22.9	↑0.6
12/31 17:00	23.3	↑0.4
12/31 17:10	23.8	↑0.5
12/31 17:20	24.1	↑0.3
12/31 17:30	24.5	↑0.4
12/31 17:40	24.7	↑0.2
12/31 17:50	24.9	↑0.2
12/31 18:00	25.1	↑0.2
12/31 18:10	25.2	↑0.1
12/31 18:20	25.3	↑0.1
12/31 18:30	25.3	0	満潮
12/31 18:40	25.3	0
12/31 18:50	25.3	0
12/31 19:00	25.2	↓-0.1
12/31 19:10	25.1	↓-0.1
12/31 19:20	25.0	↓-0.1
12/31 19:30	24.8	↓-0.2
12/31 19:40	24.7	↓-0.1
12/31 19:50	24.5	↓-0.2
12/31 20:00	24.3	↓-0.2
12/31 20:10	24.0	↓-0.3
12/31 20:20	23.8	↓-0.2
12/31 20:30	23.6	↓-0.2
12/31 20:40	23.3	↓-0.3
12/31 20:50	23.1	↓-0.2
12/31 21:00	22.9	↓-0.2
12/31 21:10	22.7	↓-0.2
12/31 21:20	22.4	↓-0.3
12/31 21:30	22.3	↓-0.1
12/31 21:40	22.1	↓-0.2
12/31 21:50	21.9	↓-0.2
12/31 22:00	21.8	↓-0.1
12/31 22:10	21.7	↓-0.1
12/31 22:20	21.6	↓-0.1
12/31 22:30	21.6	0
12/31 22:40	21.6	0	干潮
12/31 22:50	21.6	0
12/31 23:00	21.6	0
12/31 23:10	21.6	0
12/31 23:20	21.7	↑0.1
12/31 23:30	21.8	↑0.1
12/31 23:40	21.9	↑0.1
12/31 23:50	22.0	↑0.1