31 (日)	01:49	09:48	17:56	21:57
	26cm	-3cm	26cm	23cm
大潮 出 07:07 入 16:08 出 15:36 入 06:36 潮干狩り ◎ 07:07～12:43

留萌（北海道）2028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	24.0	↑0.2
12/31 00:10	24.1	↑0.1
12/31 00:20	24.2	↑0.1
12/31 00:30	24.4	↑0.2
12/31 00:40	24.5	↑0.1
12/31 00:50	24.6	↑0.1
12/31 01:00	24.8	↑0.2
12/31 01:10	24.9	↑0.1
12/31 01:20	25.0	↑0.1
12/31 01:30	25.0	0
12/31 01:40	25.1	↑0.1	満潮
12/31 01:50	25.1	0
12/31 02:00	25.1	0
12/31 02:10	25.0	↓-0.1
12/31 02:20	24.9	↓-0.1
12/31 02:30	24.7	↓-0.2
12/31 02:40	24.5	↓-0.2
12/31 02:50	24.2	↓-0.3
12/31 03:00	23.9	↓-0.3
12/31 03:10	23.5	↓-0.4
12/31 03:20	23.1	↓-0.4
12/31 03:30	22.6	↓-0.5
12/31 03:40	22.1	↓-0.5
12/31 03:50	21.5	↓-0.6
12/31 04:00	20.8	↓-0.7
12/31 04:10	20.2	↓-0.6
12/31 04:20	19.5	↓-0.7
12/31 04:30	18.7	↓-0.8
12/31 04:40	17.9	↓-0.8
12/31 04:50	17.1	↓-0.8
12/31 05:00	16.3	↓-0.8
12/31 05:10	15.5	↓-0.8
12/31 05:20	14.6	↓-0.9
12/31 05:30	13.7	↓-0.9
12/31 05:40	12.8	↓-0.9
12/31 05:50	11.9	↓-0.9
12/31 06:00	11.0	↓-0.9
12/31 06:10	10.0	↓-1.0
12/31 06:20	9.1	↓-0.9
12/31 06:30	8.2	↓-0.9
12/31 06:40	7.2	↓-1.0
12/31 06:50	6.3	↓-0.9
12/31 07:00	5.4	↓-0.9
12/31 07:10	4.5	↓-0.9
12/31 07:20	3.7	↓-0.8
12/31 07:30	2.8	↓-0.9
12/31 07:40	2.0	↓-0.8
12/31 07:50	1.3	↓-0.7
12/31 08:00	0.6	↓-0.7
12/31 08:10	-0.1	↓-0.7
12/31 08:20	-0.7	↓-0.6
12/31 08:30	-1.2	↓-0.5
12/31 08:40	-1.7	↓-0.5
12/31 08:50	-2.1	↓-0.4
12/31 09:00	-2.5	↓-0.4
12/31 09:10	-2.8	↓-0.3
12/31 09:20	-3.0	↓-0.2
12/31 09:30	-3.2	↓-0.2
12/31 09:40	-3.2	0	干潮
12/31 09:50	-3.2	0
12/31 10:00	-3.2	0
12/31 10:10	-3.1	↑0.1
12/31 10:20	-2.9	↑0.2
12/31 10:30	-2.6	↑0.3
12/31 10:40	-2.3	↑0.3
12/31 10:50	-2.0	↑0.3
12/31 11:00	-1.6	↑0.4
12/31 11:10	-1.1	↑0.5
12/31 11:20	-0.6	↑0.5
12/31 11:30	0.0	↑0.6
12/31 11:40	0.7	0
12/31 11:50	1.4	↑0.7
12/31 12:00	2.1	↑0.7
12/31 12:10	2.9	↑0.8
12/31 12:20	3.7	↑0.8
12/31 12:30	4.6	↑0.9
12/31 12:40	5.5	↑0.9
12/31 12:50	6.4	↑0.9
12/31 13:00	7.4	↑1.0
12/31 13:10	8.4	↑1.0
12/31 13:20	9.4	↑1.0
12/31 13:30	10.5	↑1.1	最大潮位差
12/31 13:40	11.5	↑1.0
12/31 13:50	12.5	↑1.0
12/31 14:00	13.5	↑1.0
12/31 14:10	14.5	↑1.0
12/31 14:20	15.5	↑1.0
12/31 14:30	16.4	↑0.9
12/31 14:40	17.3	↑0.9
12/31 14:50	18.2	↑0.9
12/31 15:00	19.0	↑0.8
12/31 15:10	19.8	↑0.8
12/31 15:20	20.5	↑0.7
12/31 15:30	21.2	↑0.7
12/31 15:40	21.8	↑0.6
12/31 15:50	22.4	↑0.6
12/31 16:00	22.9	↑0.5
12/31 16:10	23.3	↑0.4
12/31 16:20	23.7	↑0.4
12/31 16:30	24.1	↑0.4
12/31 16:40	24.4	↑0.3
12/31 16:50	24.7	↑0.3
12/31 17:00	24.9	↑0.2
12/31 17:10	25.1	↑0.2
12/31 17:20	25.2	↑0.1
12/31 17:30	25.3	↑0.1
12/31 17:40	25.4	↑0.1
12/31 17:50	25.4	0	満潮
12/31 18:00	25.4	0
12/31 18:10	25.4	0
12/31 18:20	25.3	↓-0.1
12/31 18:30	25.2	↓-0.1
12/31 18:40	25.1	↓-0.1
12/31 18:50	25.0	↓-0.1
12/31 19:00	24.8	↓-0.2
12/31 19:10	24.6	↓-0.2
12/31 19:20	24.5	↓-0.1
12/31 19:30	24.2	↓-0.3
12/31 19:40	24.0	↓-0.2
12/31 19:50	23.8	↓-0.2
12/31 20:00	23.6	↓-0.2
12/31 20:10	23.4	↓-0.2
12/31 20:20	23.2	↓-0.2
12/31 20:30	23.0	↓-0.2
12/31 20:40	22.8	↓-0.2
12/31 20:50	22.7	↓-0.1
12/31 21:00	22.5	↓-0.2
12/31 21:10	22.4	↓-0.1
12/31 21:20	22.3	↓-0.1
12/31 21:30	22.3	0
12/31 21:40	22.2	↓-0.1
12/31 21:50	22.2	0	干潮
12/31 22:00	22.2	0
12/31 22:10	22.2	0
12/31 22:20	22.2	0
12/31 22:30	22.3	↑0.1
12/31 22:40	22.4	↑0.1
12/31 22:50	22.5	↑0.1
12/31 23:00	22.6	↑0.1
12/31 23:10	22.7	↑0.1
12/31 23:20	22.8	↑0.1
12/31 23:30	22.9	↑0.1
12/31 23:40	23.1	↑0.2
12/31 23:50	23.2	↑0.1