20 (土)	02:15	09:54	17:07	21:58
	19cm	-10cm	16cm	9cm
大潮 出 06:26 入 17:11 出 16:20 入 05:53 潮干狩り ◎ 06:26～13:53

留萌（北海道）2027年02月20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
2/20 00:00	15.6	↑0.3
2/20 00:10	15.9	↑0.3
2/20 00:20	16.3	↑0.4
2/20 00:30	16.6	↑0.3
2/20 00:40	17.0	↑0.4
2/20 00:50	17.3	↑0.3
2/20 01:00	17.6	↑0.3
2/20 01:10	17.9	↑0.3
2/20 01:20	18.2	↑0.3
2/20 01:30	18.4	↑0.2
2/20 01:40	18.6	↑0.2
2/20 01:50	18.8	↑0.2
2/20 02:00	18.9	↑0.1
2/20 02:10	18.9	0	満潮
2/20 02:20	18.9	0
2/20 02:30	18.8	↓-0.1
2/20 02:40	18.7	↓-0.1
2/20 02:50	18.5	↓-0.2
2/20 03:00	18.3	↓-0.2
2/20 03:10	18.0	↓-0.3
2/20 03:20	17.6	↓-0.4
2/20 03:30	17.2	↓-0.4
2/20 03:40	16.7	↓-0.5
2/20 03:50	16.2	↓-0.5
2/20 04:00	15.6	↓-0.6
2/20 04:10	15.0	↓-0.6
2/20 04:20	14.3	↓-0.7
2/20 04:30	13.6	↓-0.7
2/20 04:40	12.8	↓-0.8
2/20 04:50	12.0	↓-0.8
2/20 05:00	11.2	↓-0.8
2/20 05:10	10.3	↓-0.9
2/20 05:20	9.4	↓-0.9
2/20 05:30	8.5	↓-0.9
2/20 05:40	7.5	↓-1.0
2/20 05:50	6.5	↓-1.0
2/20 06:00	5.5	↓-1.0
2/20 06:10	4.5	↓-1.0
2/20 06:20	3.5	↓-1.0
2/20 06:30	2.5	↓-1.0
2/20 06:40	1.4	↓-1.1	最大潮位差
2/20 06:50	0.4	↓-1.0
2/20 07:00	-0.6	↓-1.0
2/20 07:10	-1.6	↓-1.0
2/20 07:20	-2.5	↓-0.9
2/20 07:30	-3.5	↓-1.0
2/20 07:40	-4.4	↓-0.9
2/20 07:50	-5.2	↓-0.8
2/20 08:00	-6.0	↓-0.8
2/20 08:10	-6.7	↓-0.7
2/20 08:20	-7.4	↓-0.7
2/20 08:30	-8.0	↓-0.6
2/20 08:40	-8.6	↓-0.6
2/20 08:50	-9.1	↓-0.5
2/20 09:00	-9.5	↓-0.4
2/20 09:10	-9.8	↓-0.3
2/20 09:20	-10.1	↓-0.3
2/20 09:30	-10.3	↓-0.2
2/20 09:40	-10.4	↓-0.1
2/20 09:50	-10.5	↓-0.1	干潮
2/20 10:00	-10.5	0
2/20 10:10	-10.4	↑0.1
2/20 10:20	-10.2	↑0.2
2/20 10:30	-10.0	↑0.2
2/20 10:40	-9.7	↑0.3
2/20 10:50	-9.4	↑0.3
2/20 11:00	-8.9	↑0.5
2/20 11:10	-8.5	↑0.4
2/20 11:20	-7.9	↑0.6
2/20 11:30	-7.3	↑0.6
2/20 11:40	-6.6	↑0.7
2/20 11:50	-5.9	↑0.7
2/20 12:00	-5.1	↑0.8
2/20 12:10	-4.3	↑0.8
2/20 12:20	-3.4	↑0.9
2/20 12:30	-2.4	↑1.0
2/20 12:40	-1.5	↑0.9
2/20 12:50	-0.5	↑1.0
2/20 13:00	0.5	↑1.0
2/20 13:10	1.5	↑1.0
2/20 13:20	2.5	↑1.0
2/20 13:30	3.5	↑1.0
2/20 13:40	4.5	↑1.0
2/20 13:50	5.5	↑1.0
2/20 14:00	6.5	↑1.0
2/20 14:10	7.4	↑0.9
2/20 14:20	8.3	↑0.9
2/20 14:30	9.1	↑0.8
2/20 14:40	9.9	↑0.8
2/20 14:50	10.7	↑0.8
2/20 15:00	11.4	↑0.7
2/20 15:10	12.0	↑0.6
2/20 15:20	12.6	↑0.6
2/20 15:30	13.1	↑0.5
2/20 15:40	13.6	↑0.5
2/20 15:50	14.0	↑0.4
2/20 16:00	14.4	↑0.4
2/20 16:10	14.7	↑0.3
2/20 16:20	14.9	↑0.2
2/20 16:30	15.1	↑0.2
2/20 16:40	15.3	↑0.2
2/20 16:50	15.4	↑0.1
2/20 17:00	15.4	0	満潮
2/20 17:10	15.4	0
2/20 17:20	15.4	0
2/20 17:30	15.3	↓-0.1
2/20 17:40	15.2	↓-0.1
2/20 17:50	15.0	↓-0.2
2/20 18:00	14.8	↓-0.2
2/20 18:10	14.6	↓-0.2
2/20 18:20	14.3	↓-0.3
2/20 18:30	14.0	↓-0.3
2/20 18:40	13.6	↓-0.4
2/20 18:50	13.3	↓-0.3
2/20 19:00	12.9	↓-0.4
2/20 19:10	12.5	↓-0.4
2/20 19:20	12.1	↓-0.4
2/20 19:30	11.7	↓-0.4
2/20 19:40	11.3	↓-0.4
2/20 19:50	10.9	↓-0.4
2/20 20:00	10.5	↓-0.4
2/20 20:10	10.2	↓-0.3
2/20 20:20	9.8	↓-0.4
2/20 20:30	9.5	↓-0.3
2/20 20:40	9.2	↓-0.3
2/20 20:50	9.0	↓-0.2
2/20 21:00	8.8	↓-0.2
2/20 21:10	8.6	↓-0.2
2/20 21:20	8.4	↓-0.2
2/20 21:30	8.3	↓-0.1
2/20 21:40	8.2	↓-0.1
2/20 21:50	8.2	0	干潮
2/20 22:00	8.2	0
2/20 22:10	8.2	0
2/20 22:20	8.3	↑0.1
2/20 22:30	8.4	↑0.1
2/20 22:40	8.5	↑0.1
2/20 22:50	8.7	↑0.2
2/20 23:00	8.9	↑0.2
2/20 23:10	9.1	↑0.2
2/20 23:20	9.4	↑0.3
2/20 23:30	9.7	↑0.3
2/20 23:40	10.0	↑0.3
2/20 23:50	10.4	↑0.4