1 (日)	03:00	08:45	14:39	21:23
	25cm	17cm	27cm	12cm
中潮 出 05:32 入 17:16 出 15:55 入 02:57

留萌（北海道）2028年10月1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
10/1 00:00	18.9	↑0.5
10/1 00:10	19.5	↑0.6	最大潮位差
10/1 00:20	20.1	↑0.6	最大潮位差
10/1 00:30	20.6	↑0.5
10/1 00:40	21.1	↑0.5
10/1 00:50	21.6	↑0.5
10/1 01:00	22.1	↑0.5
10/1 01:10	22.5	↑0.4
10/1 01:20	22.9	↑0.4
10/1 01:30	23.2	↑0.3
10/1 01:40	23.6	↑0.4
10/1 01:50	23.8	↑0.2
10/1 02:00	24.1	↑0.3
10/1 02:10	24.3	↑0.2
10/1 02:20	24.4	↑0.1
10/1 02:30	24.5	↑0.1
10/1 02:40	24.6	↑0.1
10/1 02:50	24.7	↑0.1	満潮
10/1 03:00	24.7	0	満潮
10/1 03:10	24.6	↓-0.1
10/1 03:20	24.6	0
10/1 03:30	24.5	↓-0.1
10/1 03:40	24.4	↓-0.1
10/1 03:50	24.3	↓-0.1
10/1 04:00	24.1	↓-0.2
10/1 04:10	23.9	↓-0.2
10/1 04:20	23.7	↓-0.2
10/1 04:30	23.5	↓-0.2
10/1 04:40	23.2	↓-0.3
10/1 04:50	22.9	↓-0.3
10/1 05:00	22.6	↓-0.3
10/1 05:10	22.3	↓-0.3
10/1 05:20	21.9	↓-0.4
10/1 05:30	21.5	↓-0.4
10/1 05:40	21.2	↓-0.3
10/1 05:50	20.8	↓-0.4
10/1 06:00	20.4	↓-0.4
10/1 06:10	20.0	↓-0.4
10/1 06:20	19.7	↓-0.3
10/1 06:30	19.3	↓-0.4
10/1 06:40	18.9	↓-0.4
10/1 06:50	18.6	↓-0.3
10/1 07:00	18.3	↓-0.3
10/1 07:10	18.0	↓-0.3
10/1 07:20	17.7	↓-0.3
10/1 07:30	17.5	↓-0.2
10/1 07:40	17.3	↓-0.2
10/1 07:50	17.1	↓-0.2
10/1 08:00	17.0	↓-0.1
10/1 08:10	16.9	↓-0.1
10/1 08:20	16.8	↓-0.1
10/1 08:30	16.7	↓-0.1
10/1 08:40	16.7	0	干潮
10/1 08:50	16.7	0
10/1 09:00	16.7	0
10/1 09:10	16.8	↑0.1
10/1 09:20	16.9	↑0.1
10/1 09:30	17.0	↑0.1
10/1 09:40	17.1	↑0.1
10/1 09:50	17.3	↑0.2
10/1 10:00	17.5	↑0.2
10/1 10:10	17.7	↑0.2
10/1 10:20	18.0	↑0.3
10/1 10:30	18.2	↑0.2
10/1 10:40	18.6	↑0.4
10/1 10:50	18.9	↑0.3
10/1 11:00	19.2	↑0.3
10/1 11:10	19.6	↑0.4
10/1 11:20	20.0	↑0.4
10/1 11:30	20.4	↑0.4
10/1 11:40	20.9	↑0.5
10/1 11:50	21.3	↑0.4
10/1 12:00	21.8	↑0.5
10/1 12:10	22.2	↑0.4
10/1 12:20	22.7	↑0.5
10/1 12:30	23.1	↑0.4
10/1 12:40	23.5	↑0.4
10/1 12:50	23.9	↑0.4
10/1 13:00	24.3	↑0.4
10/1 13:10	24.6	↑0.3
10/1 13:20	24.9	↑0.3
10/1 13:30	25.2	↑0.3
10/1 13:40	25.5	↑0.3
10/1 13:50	25.7	↑0.2
10/1 14:00	25.8	↑0.1
10/1 14:10	25.9	↑0.1
10/1 14:20	26.0	↑0.1
10/1 14:30	26.1	↑0.1	満潮
10/1 14:40	26.1	0
10/1 14:50	26.1	0
10/1 15:00	26.0	↓-0.1
10/1 15:10	25.9	↓-0.1
10/1 15:20	25.8	↓-0.1
10/1 15:30	25.6	↓-0.2
10/1 15:40	25.4	↓-0.2
10/1 15:50	25.2	↓-0.2
10/1 16:00	25.0	↓-0.2
10/1 16:10	24.7	↓-0.3
10/1 16:20	24.3	↓-0.4
10/1 16:30	24.0	↓-0.3
10/1 16:40	23.6	↓-0.4
10/1 16:50	23.2	↓-0.4
10/1 17:00	22.8	↓-0.4
10/1 17:10	22.3	↓-0.5
10/1 17:20	21.8	↓-0.5
10/1 17:30	21.3	↓-0.5
10/1 17:40	20.7	↓-0.6	最大潮位差
10/1 17:50	20.2	↓-0.5
10/1 18:00	19.6	↓-0.6	最大潮位差
10/1 18:10	19.0	↓-0.6	最大潮位差
10/1 18:20	18.5	↓-0.5
10/1 18:30	17.9	↓-0.6	最大潮位差
10/1 18:40	17.3	↓-0.6	最大潮位差
10/1 18:50	16.7	↓-0.6	最大潮位差
10/1 19:00	16.2	↓-0.5
10/1 19:10	15.6	↓-0.6	最大潮位差
10/1 19:20	15.1	↓-0.5
10/1 19:30	14.7	↓-0.4
10/1 19:40	14.2	↓-0.5
10/1 19:50	13.8	↓-0.4
10/1 20:00	13.4	↓-0.4
10/1 20:10	13.1	↓-0.3
10/1 20:20	12.8	↓-0.3
10/1 20:30	12.6	↓-0.2
10/1 20:40	12.4	↓-0.2
10/1 20:50	12.2	↓-0.2
10/1 21:00	12.1	↓-0.1
10/1 21:10	12.0	↓-0.1
10/1 21:20	12.0	0	干潮
10/1 21:30	12.0	0
10/1 21:40	12.1	↑0.1
10/1 21:50	12.2	↑0.1
10/1 22:00	12.3	↑0.1
10/1 22:10	12.5	↑0.2
10/1 22:20	12.7	↑0.2
10/1 22:30	13.0	↑0.3
10/1 22:40	13.3	↑0.3
10/1 22:50	13.7	↑0.4
10/1 23:00	14.1	↑0.4
10/1 23:10	14.5	↑0.4
10/1 23:20	15.0	↑0.5
10/1 23:30	15.5	↑0.5
10/1 23:40	16.0	↑0.5
10/1 23:50	16.6	↑0.6	最大潮位差