3 (日)	03:54	09:05	12:45	20:19
	29cm	25cm	27cm	9cm
中潮 出 05:34 入 17:13 出 01:12 入 16:02

留萌（北海道）2021年10月3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
10/3 00:00	22.1	↑0.6
10/3 00:10	22.7	↑0.6
10/3 00:20	23.2	↑0.5
10/3 00:30	23.7	↑0.5
10/3 00:40	24.3	↑0.6
10/3 00:50	24.7	↑0.4
10/3 01:00	25.2	↑0.5
10/3 01:10	25.6	↑0.4
10/3 01:20	26.0	↑0.4
10/3 01:30	26.4	↑0.4
10/3 01:40	26.7	↑0.3
10/3 01:50	27.0	↑0.3
10/3 02:00	27.3	↑0.3
10/3 02:10	27.5	↑0.2
10/3 02:20	27.8	↑0.3
10/3 02:30	28.0	↑0.2
10/3 02:40	28.1	↑0.1
10/3 02:50	28.3	↑0.2
10/3 03:00	28.4	↑0.1
10/3 03:10	28.5	↑0.1
10/3 03:20	28.6	↑0.1
10/3 03:30	28.7	↑0.1
10/3 03:40	28.7	0
10/3 03:50	28.7	0	満潮
10/3 04:00	28.7	0
10/3 04:10	28.7	0
10/3 04:20	28.7	0
10/3 04:30	28.6	↓-0.1
10/3 04:40	28.5	↓-0.1
10/3 04:50	28.4	↓-0.1
10/3 05:00	28.2	↓-0.2
10/3 05:10	28.1	↓-0.1
10/3 05:20	27.9	↓-0.2
10/3 05:30	27.7	↓-0.2
10/3 05:40	27.5	↓-0.2
10/3 05:50	27.3	↓-0.2
10/3 06:00	27.1	↓-0.2
10/3 06:10	26.8	↓-0.3
10/3 06:20	26.6	↓-0.2
10/3 06:30	26.4	↓-0.2
10/3 06:40	26.2	↓-0.2
10/3 06:50	26.0	↓-0.2
10/3 07:00	25.8	↓-0.2
10/3 07:10	25.6	↓-0.2
10/3 07:20	25.5	↓-0.1
10/3 07:30	25.3	↓-0.2
10/3 07:40	25.2	↓-0.1
10/3 07:50	25.1	↓-0.1
10/3 08:00	25.0	↓-0.1
10/3 08:10	24.9	↓-0.1
10/3 08:20	24.8	↓-0.1
10/3 08:30	24.8	0
10/3 08:40	24.8	0
10/3 08:50	24.7	↓-0.1
10/3 09:00	24.7	0	干潮
10/3 09:10	24.7	0
10/3 09:20	24.7	0
10/3 09:30	24.8	↑0.1
10/3 09:40	24.8	0
10/3 09:50	24.9	↑0.1
10/3 10:00	24.9	0
10/3 10:10	25.0	↑0.1
10/3 10:20	25.1	↑0.1
10/3 10:30	25.2	↑0.1
10/3 10:40	25.4	↑0.2
10/3 10:50	25.5	↑0.1
10/3 11:00	25.6	↑0.1
10/3 11:10	25.8	↑0.2
10/3 11:20	26.0	↑0.2
10/3 11:30	26.1	↑0.1
10/3 11:40	26.3	↑0.2
10/3 11:50	26.4	↑0.1
10/3 12:00	26.5	↑0.1
10/3 12:10	26.6	↑0.1
10/3 12:20	26.7	↑0.1
10/3 12:30	26.8	↑0.1
10/3 12:40	26.8	0	満潮
10/3 12:50	26.8	0
10/3 13:00	26.7	↓-0.1
10/3 13:10	26.7	0
10/3 13:20	26.6	↓-0.1
10/3 13:30	26.4	↓-0.2
10/3 13:40	26.2	↓-0.2
10/3 13:50	26.0	↓-0.2
10/3 14:00	25.7	↓-0.3
10/3 14:10	25.4	↓-0.3
10/3 14:20	25.1	↓-0.3
10/3 14:30	24.7	↓-0.4
10/3 14:40	24.3	↓-0.4
10/3 14:50	23.9	↓-0.4
10/3 15:00	23.4	↓-0.5
10/3 15:10	23.0	↓-0.4
10/3 15:20	22.5	↓-0.5
10/3 15:30	22.0	↓-0.5
10/3 15:40	21.4	↓-0.6
10/3 15:50	20.9	↓-0.5
10/3 16:00	20.3	↓-0.6
10/3 16:10	19.8	↓-0.5
10/3 16:20	19.2	↓-0.6
10/3 16:30	18.6	↓-0.6
10/3 16:40	18.0	↓-0.6
10/3 16:50	17.4	↓-0.6
10/3 17:00	16.8	↓-0.6
10/3 17:10	16.2	↓-0.6
10/3 17:20	15.5	↓-0.7	最大潮位差
10/3 17:30	14.9	↓-0.6
10/3 17:40	14.3	↓-0.6
10/3 17:50	13.7	↓-0.6
10/3 18:00	13.1	↓-0.6
10/3 18:10	12.6	↓-0.5
10/3 18:20	12.1	↓-0.5
10/3 18:30	11.6	↓-0.5
10/3 18:40	11.1	↓-0.5
10/3 18:50	10.6	↓-0.5
10/3 19:00	10.2	↓-0.4
10/3 19:10	9.9	↓-0.3
10/3 19:20	9.6	↓-0.3
10/3 19:30	9.3	↓-0.3
10/3 19:40	9.1	↓-0.2
10/3 19:50	9.0	↓-0.1
10/3 20:00	8.8	↓-0.2
10/3 20:10	8.8	0	干潮
10/3 20:20	8.8	0
10/3 20:30	8.8	0
10/3 20:40	8.9	↑0.1
10/3 20:50	9.0	↑0.1
10/3 21:00	9.2	↑0.2
10/3 21:10	9.4	↑0.2
10/3 21:20	9.6	↑0.2
10/3 21:30	9.9	↑0.3
10/3 21:40	10.2	↑0.3
10/3 21:50	10.6	↑0.4
10/3 22:00	11.0	↑0.4
10/3 22:10	11.5	↑0.5
10/3 22:20	11.9	↑0.4
10/3 22:30	12.4	↑0.5
10/3 22:40	13.0	↑0.6
10/3 22:50	13.6	↑0.6
10/3 23:00	14.2	↑0.6
10/3 23:10	14.8	↑0.6
10/3 23:20	15.5	↑0.7	最大潮位差
10/3 23:30	16.1	↑0.6
10/3 23:40	16.8	↑0.7	最大潮位差
10/3 23:50	17.5	↑0.7	最大潮位差