20 (土)	05:22	09:05	14:05	21:42
	29cm	26cm	30cm	6cm
大潮 出 03:53 入 19:20 出 02:58 入 18:19

留萌（北海道）2020年06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
6/20 00:00	12.9	↑0.7
6/20 00:10	13.6	↑0.7
6/20 00:20	14.3	↑0.7
6/20 00:30	15.1	↑0.8
6/20 00:40	15.9	↑0.8
6/20 00:50	16.7	↑0.8
6/20 01:00	17.5	↑0.8
6/20 01:10	18.2	↑0.7
6/20 01:20	19.0	↑0.8
6/20 01:30	19.8	↑0.8
6/20 01:40	20.6	↑0.8
6/20 01:50	21.3	↑0.7
6/20 02:00	22.0	↑0.7
6/20 02:10	22.7	↑0.7
6/20 02:20	23.3	↑0.6
6/20 02:30	23.9	↑0.6
6/20 02:40	24.5	↑0.6
6/20 02:50	25.0	↑0.5
6/20 03:00	25.4	↑0.4
6/20 03:10	25.9	↑0.5
6/20 03:20	26.2	↑0.3
6/20 03:30	26.6	↑0.4
6/20 03:40	26.9	↑0.3
6/20 03:50	27.2	↑0.3
6/20 04:00	27.4	↑0.2
6/20 04:10	27.6	↑0.2
6/20 04:20	27.8	↑0.2
6/20 04:30	27.9	↑0.1
6/20 04:40	28.0	↑0.1
6/20 04:50	28.1	↑0.1
6/20 05:00	28.2	↑0.1
6/20 05:10	28.2	0
6/20 05:20	28.2	0	満潮
6/20 05:30	28.2	0
6/20 05:40	28.2	0
6/20 05:50	28.1	↓-0.1
6/20 06:00	28.1	0
6/20 06:10	28.0	↓-0.1
6/20 06:20	27.9	↓-0.1
6/20 06:30	27.7	↓-0.2
6/20 06:40	27.6	↓-0.1
6/20 06:50	27.4	↓-0.2
6/20 07:00	27.3	↓-0.1
6/20 07:10	27.1	↓-0.2
6/20 07:20	27.0	↓-0.1
6/20 07:30	26.8	↓-0.2
6/20 07:40	26.7	↓-0.1
6/20 07:50	26.5	↓-0.2
6/20 08:00	26.4	↓-0.1
6/20 08:10	26.3	↓-0.1
6/20 08:20	26.2	↓-0.1
6/20 08:30	26.1	↓-0.1
6/20 08:40	26.0	↓-0.1
6/20 08:50	26.0	0
6/20 09:00	26.0	0	干潮
6/20 09:10	26.0	0
6/20 09:20	26.0	0
6/20 09:30	26.0	0
6/20 09:40	26.1	↑0.1
6/20 09:50	26.2	↑0.1
6/20 10:00	26.2	0
6/20 10:10	26.3	↑0.1
6/20 10:20	26.4	↑0.1
6/20 10:30	26.6	↑0.2
6/20 10:40	26.7	↑0.1
6/20 10:50	26.8	↑0.1
6/20 11:00	27.0	↑0.2
6/20 11:10	27.1	↑0.1
6/20 11:20	27.3	↑0.2
6/20 11:30	27.4	↑0.1
6/20 11:40	27.6	↑0.2
6/20 11:50	27.8	↑0.2
6/20 12:00	28.0	↑0.2
6/20 12:10	28.2	↑0.2
6/20 12:20	28.4	↑0.2
6/20 12:30	28.6	↑0.2
6/20 12:40	28.8	↑0.2
6/20 12:50	29.0	↑0.2
6/20 13:00	29.1	↑0.1
6/20 13:10	29.3	↑0.2
6/20 13:20	29.5	↑0.2
6/20 13:30	29.6	↑0.1
6/20 13:40	29.7	↑0.1
6/20 13:50	29.8	↑0.1
6/20 14:00	29.8	0	満潮
6/20 14:10	29.8	0
6/20 14:20	29.8	0
6/20 14:30	29.7	↓-0.1
6/20 14:40	29.5	↓-0.2
6/20 14:50	29.3	↓-0.2
6/20 15:00	29.0	↓-0.3
6/20 15:10	28.7	↓-0.3
6/20 15:20	28.4	↓-0.3
6/20 15:30	27.9	↓-0.5
6/20 15:40	27.5	↓-0.4
6/20 15:50	27.0	↓-0.5
6/20 16:00	26.4	↓-0.6
6/20 16:10	25.8	↓-0.6
6/20 16:20	25.2	↓-0.6
6/20 16:30	24.5	↓-0.7
6/20 16:40	23.8	↓-0.7
6/20 16:50	23.1	↓-0.7
6/20 17:00	22.3	↓-0.8
6/20 17:10	21.5	↓-0.8
6/20 17:20	20.7	↓-0.8
6/20 17:30	19.9	↓-0.8
6/20 17:40	19.1	↓-0.8
6/20 17:50	18.3	↓-0.8
6/20 18:00	17.5	↓-0.8
6/20 18:10	16.6	↓-0.9	最大潮位差
6/20 18:20	15.8	↓-0.8
6/20 18:30	14.9	↓-0.9	最大潮位差
6/20 18:40	14.1	↓-0.8
6/20 18:50	13.3	↓-0.8
6/20 19:00	12.5	↓-0.8
6/20 19:10	11.7	↓-0.8
6/20 19:20	11.0	↓-0.7
6/20 19:30	10.2	↓-0.8
6/20 19:40	9.5	↓-0.7
6/20 19:50	8.9	↓-0.6
6/20 20:00	8.3	↓-0.6
6/20 20:10	7.7	↓-0.6
6/20 20:20	7.2	↓-0.5
6/20 20:30	6.7	↓-0.5
6/20 20:40	6.3	↓-0.4
6/20 20:50	5.9	↓-0.4
6/20 21:00	5.7	↓-0.2
6/20 21:10	5.4	↓-0.3
6/20 21:20	5.3	↓-0.1
6/20 21:30	5.2	↓-0.1
6/20 21:40	5.1	↓-0.1	干潮
6/20 21:50	5.2	↑0.1
6/20 22:00	5.2	0
6/20 22:10	5.4	↑0.2
6/20 22:20	5.6	↑0.2
6/20 22:30	5.8	↑0.2
6/20 22:40	6.1	↑0.3
6/20 22:50	6.5	↑0.4
6/20 23:00	6.9	↑0.4
6/20 23:10	7.3	↑0.4
6/20 23:20	7.8	↑0.5
6/20 23:30	8.3	↑0.5
6/20 23:40	8.9	↑0.6
6/20 23:50	9.5	↑0.6