21 (水)	10:24	02:23	18:27	11:17
	11cm	0cm	17cm	11cm
小潮 出 06:24 入 17:13 出 09:27 入 00:09

留萌（北海道）2029年02月21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
2/21 00:00	2.4	↓-0.5
2/21 00:10	1.9	↓-0.5
2/21 00:20	1.5	↓-0.4
2/21 00:30	1.1	↓-0.4
2/21 00:40	0.8	↓-0.3
2/21 00:50	0.5	↓-0.3
2/21 01:00	0.2	↓-0.3
2/21 01:10	-0.1	↓-0.3
2/21 01:20	-0.3	↓-0.2
2/21 01:30	-0.5	↓-0.2
2/21 01:40	-0.6	↓-0.1
2/21 01:50	-0.7	↓-0.1
2/21 02:00	-0.8	↓-0.1
2/21 02:10	-0.9	↓-0.1
2/21 02:20	-0.9	0	干潮
2/21 02:30	-0.9	0
2/21 02:40	-0.8	↑0.1
2/21 02:50	-0.8	0
2/21 03:00	-0.7	↑0.1
2/21 03:10	-0.6	↑0.1
2/21 03:20	-0.4	↑0.2
2/21 03:30	-0.3	↑0.1
2/21 03:40	-0.1	↑0.2
2/21 03:50	0.2	↑0.3
2/21 04:00	0.4	↑0.2
2/21 04:10	0.7	↑0.3
2/21 04:20	0.9	↑0.2
2/21 04:30	1.3	↑0.4
2/21 04:40	1.6	↑0.3
2/21 04:50	1.9	↑0.3
2/21 05:00	2.3	↑0.4
2/21 05:10	2.7	↑0.4
2/21 05:20	3.0	↑0.3
2/21 05:30	3.4	↑0.4
2/21 05:40	3.8	↑0.4
2/21 05:50	4.2	↑0.4
2/21 06:00	4.6	↑0.4
2/21 06:10	5.0	↑0.4
2/21 06:20	5.4	↑0.4
2/21 06:30	5.8	↑0.4
2/21 06:40	6.2	↑0.4
2/21 06:50	6.6	↑0.4
2/21 07:00	6.9	↑0.3
2/21 07:10	7.3	↑0.4
2/21 07:20	7.6	↑0.3
2/21 07:30	7.9	↑0.3
2/21 07:40	8.2	↑0.3
2/21 07:50	8.5	↑0.3
2/21 08:00	8.7	↑0.2
2/21 08:10	9.0	↑0.3
2/21 08:20	9.2	↑0.2
2/21 08:30	9.4	↑0.2
2/21 08:40	9.5	↑0.1
2/21 08:50	9.7	↑0.2
2/21 09:00	9.8	↑0.1
2/21 09:10	9.9	↑0.1
2/21 09:20	10.0	↑0.1
2/21 09:30	10.1	↑0.1
2/21 09:40	10.1	0
2/21 09:50	10.2	↑0.1
2/21 10:00	10.2	0
2/21 10:10	10.2	0
2/21 10:20	10.2	0	満潮
2/21 10:30	10.2	0
2/21 10:40	10.2	0
2/21 10:50	10.2	0
2/21 11:00	10.2	0
2/21 11:10	10.2	0	干潮
2/21 11:20	10.2	0
2/21 11:30	10.2	0
2/21 11:40	10.2	0
2/21 11:50	10.2	0
2/21 12:00	10.3	↑0.1
2/21 12:10	10.4	↑0.1
2/21 12:20	10.4	0
2/21 12:30	10.5	↑0.1
2/21 12:40	10.6	↑0.1
2/21 12:50	10.8	↑0.2
2/21 13:00	10.9	↑0.1
2/21 13:10	11.1	↑0.2
2/21 13:20	11.3	↑0.2
2/21 13:30	11.5	↑0.2
2/21 13:40	11.7	↑0.2
2/21 13:50	11.9	↑0.2
2/21 14:00	12.1	↑0.2
2/21 14:10	12.4	↑0.3
2/21 14:20	12.6	↑0.2
2/21 14:30	12.8	↑0.2
2/21 14:40	13.1	↑0.3
2/21 14:50	13.3	↑0.2
2/21 15:00	13.5	↑0.2
2/21 15:10	13.8	↑0.3
2/21 15:20	14.0	↑0.2
2/21 15:30	14.2	↑0.2
2/21 15:40	14.4	↑0.2
2/21 15:50	14.6	↑0.2
2/21 16:00	14.8	↑0.2
2/21 16:10	15.0	↑0.2
2/21 16:20	15.1	↑0.1
2/21 16:30	15.3	↑0.2
2/21 16:40	15.4	↑0.1
2/21 16:50	15.6	↑0.2
2/21 17:00	15.7	↑0.1
2/21 17:10	15.8	↑0.1
2/21 17:20	15.9	↑0.1
2/21 17:30	16.0	↑0.1
2/21 17:40	16.1	↑0.1
2/21 17:50	16.2	↑0.1
2/21 18:00	16.2	0
2/21 18:10	16.3	↑0.1
2/21 18:20	16.3	0	満潮
2/21 18:30	16.3	0
2/21 18:40	16.3	0
2/21 18:50	16.2	↓-0.1
2/21 19:00	16.2	0
2/21 19:10	16.1	↓-0.1
2/21 19:20	16.0	↓-0.1
2/21 19:30	15.9	↓-0.1
2/21 19:40	15.7	↓-0.2
2/21 19:50	15.5	↓-0.2
2/21 20:00	15.3	↓-0.2
2/21 20:10	15.1	↓-0.2
2/21 20:20	14.9	↓-0.2
2/21 20:30	14.6	↓-0.3
2/21 20:40	14.3	↓-0.3
2/21 20:50	14.0	↓-0.3
2/21 21:00	13.7	↓-0.3
2/21 21:10	13.4	↓-0.3
2/21 21:20	13.0	↓-0.4
2/21 21:30	12.6	↓-0.4
2/21 21:40	12.2	↓-0.4
2/21 21:50	11.7	↓-0.5
2/21 22:00	11.3	↓-0.4
2/21 22:10	10.8	↓-0.5
2/21 22:20	10.3	↓-0.5
2/21 22:30	9.8	↓-0.5
2/21 22:40	9.3	↓-0.5
2/21 22:50	8.8	↓-0.5
2/21 23:00	8.3	↓-0.5
2/21 23:10	7.7	↓-0.6	最大潮位差
2/21 23:20	7.2	↓-0.5
2/21 23:30	6.6	↓-0.6	最大潮位差
2/21 23:40	6.1	↓-0.5
2/21 23:50	5.6	↓-0.5