1 (金)	03:46	11:26	19:05	23:12
	27cm	-3cm	25cm	21cm
中潮 出 07:07 入 16:09 出 18:05 入 08:48 潮干狩り ◎ 08:38～14:22

留萌（北海道）2021年01月1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
1/1 00:00	22.1	↑0.1
1/1 00:10	22.3	↑0.2
1/1 00:20	22.4	↑0.1
1/1 00:30	22.6	↑0.2
1/1 00:40	22.7	↑0.1
1/1 00:50	22.9	↑0.2
1/1 01:00	23.1	↑0.2
1/1 01:10	23.3	↑0.2
1/1 01:20	23.5	↑0.2
1/1 01:30	23.7	↑0.2
1/1 01:40	24.0	↑0.3
1/1 01:50	24.2	↑0.2
1/1 02:00	24.4	↑0.2
1/1 02:10	24.6	↑0.2
1/1 02:20	24.9	↑0.3
1/1 02:30	25.1	↑0.2
1/1 02:40	25.3	↑0.2
1/1 02:50	25.5	↑0.2
1/1 03:00	25.6	↑0.1
1/1 03:10	25.8	↑0.2
1/1 03:20	25.9	↑0.1
1/1 03:30	26.0	↑0.1
1/1 03:40	26.0	0	満潮
1/1 03:50	26.0	0
1/1 04:00	26.0	0
1/1 04:10	25.9	↓-0.1
1/1 04:20	25.7	↓-0.2
1/1 04:30	25.5	↓-0.2
1/1 04:40	25.2	↓-0.3
1/1 04:50	24.9	↓-0.3
1/1 05:00	24.5	↓-0.4
1/1 05:10	24.0	↓-0.5
1/1 05:20	23.5	↓-0.5
1/1 05:30	22.9	↓-0.6
1/1 05:40	22.3	↓-0.6
1/1 05:50	21.6	↓-0.7
1/1 06:00	20.9	↓-0.7
1/1 06:10	20.1	↓-0.8
1/1 06:20	19.3	↓-0.8
1/1 06:30	18.4	↓-0.9
1/1 06:40	17.5	↓-0.9
1/1 06:50	16.6	↓-0.9
1/1 07:00	15.6	↓-1.0
1/1 07:10	14.6	↓-1.0
1/1 07:20	13.6	↓-1.0
1/1 07:30	12.6	↓-1.0
1/1 07:40	11.6	↓-1.0
1/1 07:50	10.6	↓-1.0
1/1 08:00	9.5	↓-1.1	最大潮位差
1/1 08:10	8.5	↓-1.0
1/1 08:20	7.5	↓-1.0
1/1 08:30	6.5	↓-1.0
1/1 08:40	5.5	↓-1.0
1/1 08:50	4.5	↓-1.0
1/1 09:00	3.6	↓-0.9
1/1 09:10	2.7	↓-0.9
1/1 09:20	1.8	↓-0.9
1/1 09:30	1.0	↓-0.8
1/1 09:40	0.3	↓-0.7
1/1 09:50	-0.4	↓-0.7
1/1 10:00	-1.1	↓-0.7
1/1 10:10	-1.7	↓-0.6
1/1 10:20	-2.2	↓-0.5
1/1 10:30	-2.6	↓-0.4
1/1 10:40	-3.0	↓-0.4
1/1 10:50	-3.3	↓-0.3
1/1 11:00	-3.5	↓-0.2
1/1 11:10	-3.7	↓-0.2
1/1 11:20	-3.7	0	干潮
1/1 11:30	-3.7	0
1/1 11:40	-3.7	0
1/1 11:50	-3.5	↑0.2
1/1 12:00	-3.3	↑0.2
1/1 12:10	-3.1	↑0.2
1/1 12:20	-2.7	↑0.4
1/1 12:30	-2.3	↑0.4
1/1 12:40	-1.9	↑0.4
1/1 12:50	-1.4	↑0.5
1/1 13:00	-0.8	↑0.6
1/1 13:10	-0.1	↑0.7
1/1 13:20	0.5	↑0.6
1/1 13:30	1.3	↑0.8
1/1 13:40	2.0	↑0.7
1/1 13:50	2.9	↑0.9
1/1 14:00	3.7	↑0.8
1/1 14:10	4.6	↑0.9
1/1 14:20	5.6	↑1.0
1/1 14:30	6.6	↑1.0
1/1 14:40	7.6	↑1.0
1/1 14:50	8.6	↑1.0
1/1 15:00	9.6	↑1.0
1/1 15:10	10.6	↑1.0
1/1 15:20	11.7	↑1.1	最大潮位差
1/1 15:30	12.7	↑1.0
1/1 15:40	13.7	↑1.0
1/1 15:50	14.7	↑1.0
1/1 16:00	15.7	↑1.0
1/1 16:10	16.6	↑0.9
1/1 16:20	17.5	↑0.9
1/1 16:30	18.4	↑0.9
1/1 16:40	19.2	↑0.8
1/1 16:50	19.9	↑0.7
1/1 17:00	20.6	↑0.7
1/1 17:10	21.3	↑0.7
1/1 17:20	21.8	↑0.5
1/1 17:30	22.3	↑0.5
1/1 17:40	22.8	↑0.5
1/1 17:50	23.2	↑0.4
1/1 18:00	23.5	↑0.3
1/1 18:10	23.8	↑0.3
1/1 18:20	24.0	↑0.2
1/1 18:30	24.2	↑0.2
1/1 18:40	24.3	↑0.1
1/1 18:50	24.4	↑0.1
1/1 19:00	24.4	0	満潮
1/1 19:10	24.4	0
1/1 19:20	24.4	0
1/1 19:30	24.3	↓-0.1
1/1 19:40	24.2	↓-0.1
1/1 19:50	24.1	↓-0.1
1/1 20:00	23.9	↓-0.2
1/1 20:10	23.8	↓-0.1
1/1 20:20	23.6	↓-0.2
1/1 20:30	23.4	↓-0.2
1/1 20:40	23.1	↓-0.3
1/1 20:50	22.9	↓-0.2
1/1 21:00	22.7	↓-0.2
1/1 21:10	22.4	↓-0.3
1/1 21:20	22.2	↓-0.2
1/1 21:30	22.0	↓-0.2
1/1 21:40	21.8	↓-0.2
1/1 21:50	21.6	↓-0.2
1/1 22:00	21.4	↓-0.2
1/1 22:10	21.2	↓-0.2
1/1 22:20	21.1	↓-0.1
1/1 22:30	20.9	↓-0.2
1/1 22:40	20.8	↓-0.1
1/1 22:50	20.8	0
1/1 23:00	20.7	↓-0.1
1/1 23:10	20.7	0	干潮
1/1 23:20	20.7	0
1/1 23:30	20.8	↑0.1
1/1 23:40	20.8	0
1/1 23:50	20.9	↑0.1