20 (火)	08:24	01:36	18:44	12:05
	11cm	-1cm	16cm	8cm
小潮 出 06:25 入 17:12 出 08:52 入 -

留萌（北海道）2029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	0.2	↓-0.4
2/20 00:10	-0.2	↓-0.4
2/20 00:20	-0.5	↓-0.3
2/20 00:30	-0.8	↓-0.3
2/20 00:40	-1.0	↓-0.2
2/20 00:50	-1.2	↓-0.2
2/20 01:00	-1.4	↓-0.2
2/20 01:10	-1.5	↓-0.1
2/20 01:20	-1.6	↓-0.1
2/20 01:30	-1.6	0	干潮
2/20 01:40	-1.6	0
2/20 01:50	-1.6	0
2/20 02:00	-1.5	↑0.1
2/20 02:10	-1.4	↑0.1
2/20 02:20	-1.3	↑0.1
2/20 02:30	-1.1	↑0.2
2/20 02:40	-0.9	↑0.2
2/20 02:50	-0.7	↑0.2
2/20 03:00	-0.4	↑0.3
2/20 03:10	-0.2	↑0.2
2/20 03:20	0.1	↑0.3
2/20 03:30	0.5	↑0.4
2/20 03:40	0.8	↑0.3
2/20 03:50	1.2	↑0.4
2/20 04:00	1.6	↑0.4
2/20 04:10	2.0	↑0.4
2/20 04:20	2.5	↑0.5
2/20 04:30	2.9	↑0.4
2/20 04:40	3.4	↑0.5
2/20 04:50	3.8	↑0.4
2/20 05:00	4.3	↑0.5
2/20 05:10	4.8	↑0.5
2/20 05:20	5.2	↑0.4
2/20 05:30	5.7	↑0.5
2/20 05:40	6.2	↑0.5
2/20 05:50	6.6	↑0.4
2/20 06:00	7.0	↑0.4
2/20 06:10	7.5	↑0.5
2/20 06:20	7.9	↑0.4
2/20 06:30	8.2	↑0.3
2/20 06:40	8.6	↑0.4
2/20 06:50	8.9	↑0.3
2/20 07:00	9.2	↑0.3
2/20 07:10	9.4	↑0.2
2/20 07:20	9.6	↑0.2
2/20 07:30	9.8	↑0.2
2/20 07:40	10.0	↑0.2
2/20 07:50	10.1	↑0.1
2/20 08:00	10.2	↑0.1
2/20 08:10	10.2	0
2/20 08:20	10.2	0	満潮
2/20 08:30	10.2	0
2/20 08:40	10.2	0
2/20 08:50	10.1	↓-0.1
2/20 09:00	10.1	0
2/20 09:10	10.0	↓-0.1
2/20 09:20	9.8	↓-0.2
2/20 09:30	9.7	↓-0.1
2/20 09:40	9.6	↓-0.1
2/20 09:50	9.4	↓-0.2
2/20 10:00	9.2	↓-0.2
2/20 10:10	9.1	↓-0.1
2/20 10:20	8.9	↓-0.2
2/20 10:30	8.7	↓-0.2
2/20 10:40	8.5	↓-0.2
2/20 10:50	8.4	↓-0.1
2/20 11:00	8.2	↓-0.2
2/20 11:10	8.1	↓-0.1
2/20 11:20	8.0	↓-0.1
2/20 11:30	7.9	↓-0.1
2/20 11:40	7.8	↓-0.1
2/20 11:50	7.8	0
2/20 12:00	7.8	0	干潮
2/20 12:10	7.8	0
2/20 12:20	7.8	0
2/20 12:30	7.8	0
2/20 12:40	7.9	↑0.1
2/20 12:50	8.0	↑0.1
2/20 13:00	8.2	↑0.2
2/20 13:10	8.3	↑0.1
2/20 13:20	8.5	↑0.2
2/20 13:30	8.7	↑0.2
2/20 13:40	8.9	↑0.2
2/20 13:50	9.1	↑0.2
2/20 14:00	9.3	↑0.2
2/20 14:10	9.6	↑0.3
2/20 14:20	9.8	↑0.2
2/20 14:30	10.1	↑0.3
2/20 14:40	10.3	↑0.2
2/20 14:50	10.6	↑0.3
2/20 15:00	10.9	↑0.3
2/20 15:10	11.1	↑0.2
2/20 15:20	11.4	↑0.3
2/20 15:30	11.7	↑0.3
2/20 15:40	11.9	↑0.2
2/20 15:50	12.2	↑0.3
2/20 16:00	12.4	↑0.2
2/20 16:10	12.7	↑0.3
2/20 16:20	13.0	↑0.3
2/20 16:30	13.2	↑0.2
2/20 16:40	13.4	↑0.2
2/20 16:50	13.7	↑0.3
2/20 17:00	13.9	↑0.2
2/20 17:10	14.1	↑0.2
2/20 17:20	14.3	↑0.2
2/20 17:30	14.5	↑0.2
2/20 17:40	14.7	↑0.2
2/20 17:50	14.8	↑0.1
2/20 18:00	14.9	↑0.1
2/20 18:10	15.0	↑0.1
2/20 18:20	15.1	↑0.1
2/20 18:30	15.2	↑0.1
2/20 18:40	15.2	0	満潮
2/20 18:50	15.2	0
2/20 19:00	15.1	↓-0.1
2/20 19:10	15.1	0
2/20 19:20	15.0	↓-0.1
2/20 19:30	14.8	↓-0.2
2/20 19:40	14.7	↓-0.1
2/20 19:50	14.5	↓-0.2
2/20 20:00	14.2	↓-0.3
2/20 20:10	13.9	↓-0.3
2/20 20:20	13.6	↓-0.3
2/20 20:30	13.3	↓-0.3
2/20 20:40	12.9	↓-0.4
2/20 20:50	12.5	↓-0.4
2/20 21:00	12.1	↓-0.4
2/20 21:10	11.7	↓-0.4
2/20 21:20	11.2	↓-0.5
2/20 21:30	10.7	↓-0.5
2/20 21:40	10.2	↓-0.5
2/20 21:50	9.6	↓-0.6	最大潮位差
2/20 22:00	9.1	↓-0.5
2/20 22:10	8.5	↓-0.6	最大潮位差
2/20 22:20	7.9	↓-0.6	最大潮位差
2/20 22:30	7.3	↓-0.6	最大潮位差
2/20 22:40	6.7	↓-0.6	最大潮位差
2/20 22:50	6.2	↓-0.5
2/20 23:00	5.6	↓-0.6	最大潮位差
2/20 23:10	5.0	↓-0.6	最大潮位差
2/20 23:20	4.4	↓-0.6	最大潮位差
2/20 23:30	3.9	↓-0.5
2/20 23:40	3.4	↓-0.5
2/20 23:50	2.9	↓-0.5