20 (日)	06:50	09:47	15:06	23:25
	32cm	31cm	34cm	7cm
大潮 出 03:53 入 19:19 出 20:34 入 04:20

留萌（北海道）2027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	7.4	↑0.4
6/20 00:10	7.9	↑0.5
6/20 00:20	8.4	↑0.5
6/20 00:30	8.9	↑0.5
6/20 00:40	9.6	↑0.7
6/20 00:50	10.2	↑0.6
6/20 01:00	11.0	↑0.8
6/20 01:10	11.7	↑0.7
6/20 01:20	12.6	↑0.9
6/20 01:30	13.4	↑0.8
6/20 01:40	14.3	↑0.9
6/20 01:50	15.2	↑0.9
6/20 02:00	16.2	↑1.0	最大潮位差
6/20 02:10	17.1	↑0.9
6/20 02:20	18.1	↑1.0	最大潮位差
6/20 02:30	19.0	↑0.9
6/20 02:40	19.9	↑0.9
6/20 02:50	20.9	↑1.0	最大潮位差
6/20 03:00	21.8	↑0.9
6/20 03:10	22.6	↑0.8
6/20 03:20	23.5	↑0.9
6/20 03:30	24.3	↑0.8
6/20 03:40	25.1	↑0.8
6/20 03:50	25.8	↑0.7
6/20 04:00	26.5	↑0.7
6/20 04:10	27.1	↑0.6
6/20 04:20	27.7	↑0.6
6/20 04:30	28.2	↑0.5
6/20 04:40	28.7	↑0.5
6/20 04:50	29.1	↑0.4
6/20 05:00	29.5	↑0.4
6/20 05:10	29.9	↑0.4
6/20 05:20	30.2	↑0.3
6/20 05:30	30.5	↑0.3
6/20 05:40	30.7	↑0.2
6/20 05:50	30.9	↑0.2
6/20 06:00	31.1	↑0.2
6/20 06:10	31.2	↑0.1
6/20 06:20	31.3	↑0.1
6/20 06:30	31.4	↑0.1
6/20 06:40	31.4	0	満潮
6/20 06:50	31.4	0	満潮
6/20 07:00	31.4	0
6/20 07:10	31.4	0
6/20 07:20	31.3	↓-0.1
6/20 07:30	31.3	0
6/20 07:40	31.2	↓-0.1
6/20 07:50	31.1	↓-0.1
6/20 08:00	30.9	↓-0.2
6/20 08:10	30.8	↓-0.1
6/20 08:20	30.7	↓-0.1
6/20 08:30	30.6	↓-0.1
6/20 08:40	30.5	↓-0.1
6/20 08:50	30.4	↓-0.1
6/20 09:00	30.3	↓-0.1
6/20 09:10	30.2	↓-0.1
6/20 09:20	30.2	0
6/20 09:30	30.1	↓-0.1
6/20 09:40	30.1	0	干潮
6/20 09:50	30.1	0
6/20 10:00	30.1	0
6/20 10:10	30.2	↑0.1
6/20 10:20	30.2	0
6/20 10:30	30.3	↑0.1
6/20 10:40	30.3	0
6/20 10:50	30.4	↑0.1
6/20 11:00	30.5	↑0.1
6/20 11:10	30.6	↑0.1
6/20 11:20	30.7	↑0.1
6/20 11:30	30.9	↑0.2
6/20 11:40	31.0	↑0.1
6/20 11:50	31.1	↑0.1
6/20 12:00	31.3	↑0.2
6/20 12:10	31.4	↑0.1
6/20 12:20	31.5	↑0.1
6/20 12:30	31.7	↑0.2
6/20 12:40	31.8	↑0.1
6/20 12:50	32.0	↑0.2
6/20 13:00	32.2	↑0.2
6/20 13:10	32.3	↑0.1
6/20 13:20	32.5	↑0.2
6/20 13:30	32.7	↑0.2
6/20 13:40	32.8	↑0.1
6/20 13:50	33.0	↑0.2
6/20 14:00	33.2	↑0.2
6/20 14:10	33.3	↑0.1
6/20 14:20	33.5	↑0.2
6/20 14:30	33.6	↑0.1
6/20 14:40	33.7	↑0.1
6/20 14:50	33.7	0
6/20 15:00	33.8	↑0.1	満潮
6/20 15:10	33.8	0
6/20 15:20	33.7	↓-0.1
6/20 15:30	33.7	0
6/20 15:40	33.5	↓-0.2
6/20 15:50	33.4	↓-0.1
6/20 16:00	33.1	↓-0.3
6/20 16:10	32.9	↓-0.2
6/20 16:20	32.6	↓-0.3
6/20 16:30	32.2	↓-0.4
6/20 16:40	31.8	↓-0.4
6/20 16:50	31.3	↓-0.5
6/20 17:00	30.8	↓-0.5
6/20 17:10	30.3	↓-0.5
6/20 17:20	29.7	↓-0.6
6/20 17:30	29.1	↓-0.6
6/20 17:40	28.5	↓-0.6
6/20 17:50	27.8	↓-0.7
6/20 18:00	27.1	↓-0.7
6/20 18:10	26.4	↓-0.7
6/20 18:20	25.6	↓-0.8
6/20 18:30	24.8	↓-0.8
6/20 18:40	24.0	↓-0.8
6/20 18:50	23.2	↓-0.8
6/20 19:00	22.4	↓-0.8
6/20 19:10	21.5	↓-0.9
6/20 19:20	20.7	↓-0.8
6/20 19:30	19.8	↓-0.9
6/20 19:40	19.0	↓-0.8
6/20 19:50	18.1	↓-0.9
6/20 20:00	17.2	↓-0.9
6/20 20:10	16.3	↓-0.9
6/20 20:20	15.5	↓-0.8
6/20 20:30	14.6	↓-0.9
6/20 20:40	13.8	↓-0.8
6/20 20:50	13.0	↓-0.8
6/20 21:00	12.3	↓-0.7
6/20 21:10	11.5	↓-0.8
6/20 21:20	10.8	↓-0.7
6/20 21:30	10.2	↓-0.6
6/20 21:40	9.6	↓-0.6
6/20 21:50	9.0	↓-0.6
6/20 22:00	8.5	↓-0.5
6/20 22:10	8.1	↓-0.4
6/20 22:20	7.7	↓-0.4
6/20 22:30	7.3	↓-0.4
6/20 22:40	7.0	↓-0.3
6/20 22:50	6.8	↓-0.2
6/20 23:00	6.7	↓-0.1
6/20 23:10	6.5	↓-0.2
6/20 23:20	6.5	0	干潮
6/20 23:30	6.5	0
6/20 23:40	6.6	↑0.1
6/20 23:50	6.7	↑0.1