14 (金)	09:01	02:07	19:17	13:00
	13cm	-1cm	17cm	9cm
小潮 出 06:35 入 17:03 出 - 入 09:28

留萌（北海道）2031年02月14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
2/14 00:00	1.5	↓-0.5
2/14 00:10	1.0	↓-0.5
2/14 00:20	0.6	↓-0.4
2/14 00:30	0.2	↓-0.4
2/14 00:40	-0.1	↓-0.3
2/14 00:50	-0.5	↓-0.4
2/14 01:00	-0.7	↓-0.2
2/14 01:10	-1.0	↓-0.3
2/14 01:20	-1.2	↓-0.2
2/14 01:30	-1.3	↓-0.1
2/14 01:40	-1.4	↓-0.1
2/14 01:50	-1.5	↓-0.1
2/14 02:00	-1.5	0	干潮
2/14 02:10	-1.5	0
2/14 02:20	-1.5	0
2/14 02:30	-1.4	↑0.1
2/14 02:40	-1.3	↑0.1
2/14 02:50	-1.2	↑0.1
2/14 03:00	-1.0	↑0.2
2/14 03:10	-0.8	↑0.2
2/14 03:20	-0.6	↑0.2
2/14 03:30	-0.3	↑0.3
2/14 03:40	0.0	↑0.3
2/14 03:50	0.3	0
2/14 04:00	0.7	↑0.4
2/14 04:10	1.1	↑0.4
2/14 04:20	1.5	↑0.4
2/14 04:30	1.9	↑0.4
2/14 04:40	2.4	↑0.5
2/14 04:50	2.9	↑0.5
2/14 05:00	3.4	↑0.5
2/14 05:10	3.9	↑0.5
2/14 05:20	4.4	↑0.5
2/14 05:30	4.9	↑0.5
2/14 05:40	5.5	↑0.6
2/14 05:50	6.0	↑0.5
2/14 06:00	6.6	↑0.6
2/14 06:10	7.1	↑0.5
2/14 06:20	7.6	↑0.5
2/14 06:30	8.1	↑0.5
2/14 06:40	8.6	↑0.5
2/14 06:50	9.1	↑0.5
2/14 07:00	9.5	↑0.4
2/14 07:10	10.0	↑0.5
2/14 07:20	10.3	↑0.3
2/14 07:30	10.7	↑0.4
2/14 07:40	11.0	↑0.3
2/14 07:50	11.3	↑0.3
2/14 08:00	11.5	↑0.2
2/14 08:10	11.8	↑0.3
2/14 08:20	11.9	↑0.1
2/14 08:30	12.1	↑0.2
2/14 08:40	12.1	0
2/14 08:50	12.2	↑0.1
2/14 09:00	12.2	0	満潮
2/14 09:10	12.2	0
2/14 09:20	12.1	↓-0.1
2/14 09:30	12.1	0
2/14 09:40	11.9	↓-0.2
2/14 09:50	11.8	↓-0.1
2/14 10:00	11.6	↓-0.2
2/14 10:10	11.4	↓-0.2
2/14 10:20	11.2	↓-0.2
2/14 10:30	11.0	↓-0.2
2/14 10:40	10.8	↓-0.2
2/14 10:50	10.5	↓-0.3
2/14 11:00	10.3	↓-0.2
2/14 11:10	10.0	↓-0.3
2/14 11:20	9.8	↓-0.2
2/14 11:30	9.5	↓-0.3
2/14 11:40	9.3	↓-0.2
2/14 11:50	9.1	↓-0.2
2/14 12:00	9.0	↓-0.1
2/14 12:10	8.8	↓-0.2
2/14 12:20	8.7	↓-0.1
2/14 12:30	8.6	↓-0.1
2/14 12:40	8.5	↓-0.1
2/14 12:50	8.5	0	干潮
2/14 13:00	8.4	↓-0.1	干潮
2/14 13:10	8.5	↑0.1
2/14 13:20	8.5	0
2/14 13:30	8.6	↑0.1
2/14 13:40	8.7	↑0.1
2/14 13:50	8.8	↑0.1
2/14 14:00	9.0	↑0.2
2/14 14:10	9.2	↑0.2
2/14 14:20	9.4	↑0.2
2/14 14:30	9.6	↑0.2
2/14 14:40	9.8	↑0.2
2/14 14:50	10.1	↑0.3
2/14 15:00	10.4	↑0.3
2/14 15:10	10.7	↑0.3
2/14 15:20	11.0	↑0.3
2/14 15:30	11.3	↑0.3
2/14 15:40	11.6	↑0.3
2/14 15:50	11.9	↑0.3
2/14 16:00	12.2	↑0.3
2/14 16:10	12.6	↑0.4
2/14 16:20	12.9	↑0.3
2/14 16:30	13.3	↑0.4
2/14 16:40	13.6	↑0.3
2/14 16:50	13.9	↑0.3
2/14 17:00	14.3	↑0.4
2/14 17:10	14.6	↑0.3
2/14 17:20	14.9	↑0.3
2/14 17:30	15.2	↑0.3
2/14 17:40	15.5	↑0.3
2/14 17:50	15.8	↑0.3
2/14 18:00	16.0	↑0.2
2/14 18:10	16.2	↑0.2
2/14 18:20	16.4	↑0.2
2/14 18:30	16.6	↑0.2
2/14 18:40	16.8	↑0.2
2/14 18:50	16.9	↑0.1
2/14 19:00	16.9	0
2/14 19:10	17.0	↑0.1	満潮
2/14 19:20	17.0	0
2/14 19:30	17.0	0
2/14 19:40	16.9	↓-0.1
2/14 19:50	16.8	↓-0.1
2/14 20:00	16.6	↓-0.2
2/14 20:10	16.4	↓-0.2
2/14 20:20	16.2	↓-0.2
2/14 20:30	15.9	↓-0.3
2/14 20:40	15.6	↓-0.3
2/14 20:50	15.3	↓-0.3
2/14 21:00	14.9	↓-0.4
2/14 21:10	14.5	↓-0.4
2/14 21:20	14.1	↓-0.4
2/14 21:30	13.6	↓-0.5
2/14 21:40	13.1	↓-0.5
2/14 21:50	12.6	↓-0.5
2/14 22:00	12.0	↓-0.6
2/14 22:10	11.4	↓-0.6
2/14 22:20	10.8	↓-0.6
2/14 22:30	10.2	↓-0.6
2/14 22:40	9.6	↓-0.6
2/14 22:50	9.0	↓-0.6
2/14 23:00	8.3	↓-0.7	最大潮位差
2/14 23:10	7.7	↓-0.6
2/14 23:20	7.0	↓-0.7	最大潮位差
2/14 23:30	6.4	↓-0.6
2/14 23:40	5.8	↓-0.6
2/14 23:50	5.1	↓-0.7	最大潮位差