01 (火)	15:30	04:49	-	-
	13cm	-1cm	-	-
長潮 出 05:17 入 18:01 出 11:26 入 01:27 潮干狩り ◎ 05:17～09:39

留萌（北海道）2031年04月01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
4/1 00:00	4.9	↓-0.4	最大潮位差
4/1 00:10	4.5	↓-0.4	最大潮位差
4/1 00:20	4.2	↓-0.3
4/1 00:30	3.8	↓-0.4	最大潮位差
4/1 00:40	3.4	↓-0.4	最大潮位差
4/1 00:50	3.1	↓-0.3
4/1 01:00	2.7	↓-0.4	最大潮位差
4/1 01:10	2.4	↓-0.3
4/1 01:20	2.0	↓-0.4	最大潮位差
4/1 01:30	1.7	↓-0.3
4/1 01:40	1.4	↓-0.3
4/1 01:50	1.2	↓-0.2
4/1 02:00	0.9	↓-0.3
4/1 02:10	0.6	↓-0.3
4/1 02:20	0.4	↓-0.2
4/1 02:30	0.2	↓-0.2
4/1 02:40	-0.1	↓-0.3
4/1 02:50	-0.3	↓-0.2
4/1 03:00	-0.5	↓-0.2
4/1 03:10	-0.6	↓-0.1
4/1 03:20	-0.8	↓-0.2
4/1 03:30	-1.0	↓-0.2
4/1 03:40	-1.1	↓-0.1
4/1 03:50	-1.2	↓-0.1
4/1 04:00	-1.3	↓-0.1
4/1 04:10	-1.4	↓-0.1
4/1 04:20	-1.5	↓-0.1
4/1 04:30	-1.6	↓-0.1
4/1 04:40	-1.6	0	干潮
4/1 04:50	-1.6	0
4/1 05:00	-1.6	0
4/1 05:10	-1.5	↑0.1
4/1 05:20	-1.5	0
4/1 05:30	-1.4	↑0.1
4/1 05:40	-1.3	↑0.1
4/1 05:50	-1.1	↑0.2
4/1 06:00	-1.0	↑0.1
4/1 06:10	-0.8	↑0.2
4/1 06:20	-0.6	↑0.2
4/1 06:30	-0.4	↑0.2
4/1 06:40	-0.1	↑0.3
4/1 06:50	0.1	↑0.2
4/1 07:00	0.4	↑0.3
4/1 07:10	0.7	↑0.3
4/1 07:20	1.0	↑0.3
4/1 07:30	1.3	↑0.3
4/1 07:40	1.6	↑0.3
4/1 07:50	1.9	↑0.3
4/1 08:00	2.3	↑0.4	最大潮位差
4/1 08:10	2.6	↑0.3
4/1 08:20	3.0	↑0.4	最大潮位差
4/1 08:30	3.3	↑0.3
4/1 08:40	3.7	↑0.4	最大潮位差
4/1 08:50	4.0	↑0.3
4/1 09:00	4.4	↑0.4	最大潮位差
4/1 09:10	4.7	↑0.3
4/1 09:20	5.1	↑0.4	最大潮位差
4/1 09:30	5.5	↑0.4	最大潮位差
4/1 09:40	5.8	↑0.3
4/1 09:50	6.1	↑0.3
4/1 10:00	6.5	↑0.4	最大潮位差
4/1 10:10	6.8	↑0.3
4/1 10:20	7.1	↑0.3
4/1 10:30	7.4	↑0.3
4/1 10:40	7.7	↑0.3
4/1 10:50	8.0	↑0.3
4/1 11:00	8.3	↑0.3
4/1 11:10	8.5	↑0.2
4/1 11:20	8.7	↑0.2
4/1 11:30	9.0	↑0.3
4/1 11:40	9.2	↑0.2
4/1 11:50	9.4	↑0.2
4/1 12:00	9.6	↑0.2
4/1 12:10	9.7	↑0.1
4/1 12:20	9.9	↑0.2
4/1 12:30	10.1	↑0.2
4/1 12:40	10.2	↑0.1
4/1 12:50	10.4	↑0.2
4/1 13:00	10.6	↑0.2
4/1 13:10	10.7	↑0.1
4/1 13:20	10.9	↑0.2
4/1 13:30	11.0	↑0.1
4/1 13:40	11.1	↑0.1
4/1 13:50	11.3	↑0.2
4/1 14:00	11.4	↑0.1
4/1 14:10	11.5	↑0.1
4/1 14:20	11.6	↑0.1
4/1 14:30	11.7	↑0.1
4/1 14:40	11.8	↑0.1
4/1 14:50	11.9	↑0.1
4/1 15:00	12.0	↑0.1
4/1 15:10	12.0	0
4/1 15:20	12.0	0	満潮
4/1 15:30	12.0	0	満潮
4/1 15:40	12.0	0
4/1 15:50	12.0	0
4/1 16:00	12.0	0
4/1 16:10	11.9	↓-0.1
4/1 16:20	11.8	↓-0.1
4/1 16:30	11.7	↓-0.1
4/1 16:40	11.6	↓-0.1
4/1 16:50	11.5	↓-0.1
4/1 17:00	11.4	↓-0.1
4/1 17:10	11.3	↓-0.1
4/1 17:20	11.2	↓-0.1
4/1 17:30	11.1	↓-0.1
4/1 17:40	10.9	↓-0.2
4/1 17:50	10.8	↓-0.1
4/1 18:00	10.7	↓-0.1
4/1 18:10	10.6	↓-0.1
4/1 18:20	10.5	↓-0.1
4/1 18:30	10.4	↓-0.1
4/1 18:40	10.2	↓-0.2
4/1 18:50	10.1	↓-0.1
4/1 19:00	10.0	↓-0.1
4/1 19:10	9.9	↓-0.1
4/1 19:20	9.8	↓-0.1
4/1 19:30	9.7	↓-0.1
4/1 19:40	9.6	↓-0.1
4/1 19:50	9.5	↓-0.1
4/1 20:00	9.4	↓-0.1
4/1 20:10	9.4	0
4/1 20:20	9.3	↓-0.1
4/1 20:30	9.2	↓-0.1
4/1 20:40	9.1	↓-0.1
4/1 20:50	9.0	↓-0.1
4/1 21:00	9.0	0
4/1 21:10	8.9	↓-0.1
4/1 21:20	8.8	↓-0.1
4/1 21:30	8.7	↓-0.1
4/1 21:40	8.7	0
4/1 21:50	8.6	↓-0.1
4/1 22:00	8.5	↓-0.1
4/1 22:10	8.4	↓-0.1
4/1 22:20	8.3	↓-0.1
4/1 22:30	8.2	↓-0.1
4/1 22:40	8.1	↓-0.1
4/1 22:50	8.0	↓-0.1
4/1 23:00	7.8	↓-0.2
4/1 23:10	7.6	↓-0.2
4/1 23:20	7.5	↓-0.1
4/1 23:30	7.2	↓-0.3
4/1 23:40	7.0	↓-0.2
4/1 23:50	6.8	↓-0.2