1 (火)	05:08	12:18	19:25	23:58
	32cm	6cm	31cm	24cm
中潮 出 05:31 入 17:17 出 09:56 入 19:24

留萌（北海道）2030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	20.8	↑0.1
10/1 00:10	21.0	↑0.2
10/1 00:20	21.2	↑0.2
10/1 00:30	21.4	↑0.2
10/1 00:40	21.7	↑0.3
10/1 00:50	22.0	↑0.3
10/1 01:00	22.3	↑0.3
10/1 01:10	22.6	↑0.3
10/1 01:20	23.0	↑0.4
10/1 01:30	23.4	↑0.4
10/1 01:40	23.8	↑0.4
10/1 01:50	24.3	↑0.5
10/1 02:00	24.7	↑0.4
10/1 02:10	25.2	↑0.5
10/1 02:20	25.7	↑0.5
10/1 02:30	26.1	↑0.4
10/1 02:40	26.6	↑0.5
10/1 02:50	27.1	↑0.5
10/1 03:00	27.6	↑0.5
10/1 03:10	28.0	↑0.4
10/1 03:20	28.5	↑0.5
10/1 03:30	28.9	↑0.4
10/1 03:40	29.4	↑0.5
10/1 03:50	29.8	↑0.4
10/1 04:00	30.1	↑0.3
10/1 04:10	30.4	↑0.3
10/1 04:20	30.7	↑0.3
10/1 04:30	31.0	↑0.3
10/1 04:40	31.2	↑0.2
10/1 04:50	31.3	↑0.1
10/1 05:00	31.4	↑0.1	満潮
10/1 05:10	31.4	0
10/1 05:20	31.3	↓-0.1
10/1 05:30	31.2	↓-0.1
10/1 05:40	31.0	↓-0.2
10/1 05:50	30.8	↓-0.2
10/1 06:00	30.4	↓-0.4
10/1 06:10	30.1	↓-0.3
10/1 06:20	29.6	↓-0.5
10/1 06:30	29.1	↓-0.5
10/1 06:40	28.5	↓-0.6
10/1 06:50	27.9	↓-0.6
10/1 07:00	27.3	↓-0.6
10/1 07:10	26.6	↓-0.7
10/1 07:20	25.8	↓-0.8
10/1 07:30	25.0	↓-0.8
10/1 07:40	24.2	↓-0.8
10/1 07:50	23.3	↓-0.9
10/1 08:00	22.4	↓-0.9
10/1 08:10	21.5	↓-0.9
10/1 08:20	20.6	↓-0.9
10/1 08:30	19.7	↓-0.9
10/1 08:40	18.8	↓-0.9
10/1 08:50	17.8	↓-1.0	最大潮位差
10/1 09:00	16.9	↓-0.9
10/1 09:10	16.0	↓-0.9
10/1 09:20	15.1	↓-0.9
10/1 09:30	14.2	↓-0.9
10/1 09:40	13.3	↓-0.9
10/1 09:50	12.5	↓-0.8
10/1 10:00	11.7	↓-0.8
10/1 10:10	10.9	↓-0.8
10/1 10:20	10.2	↓-0.7
10/1 10:30	9.5	↓-0.7
10/1 10:40	8.8	↓-0.7
10/1 10:50	8.3	↓-0.5
10/1 11:00	7.7	↓-0.6
10/1 11:10	7.3	↓-0.4
10/1 11:20	6.9	↓-0.4
10/1 11:30	6.6	↓-0.3
10/1 11:40	6.3	↓-0.3
10/1 11:50	6.1	↓-0.2
10/1 12:00	5.9	↓-0.2
10/1 12:10	5.9	0	干潮
10/1 12:20	5.8	↓-0.1
10/1 12:30	5.9	↑0.1
10/1 12:40	6.0	↑0.1
10/1 12:50	6.2	↑0.2
10/1 13:00	6.4	↑0.2
10/1 13:10	6.7	↑0.3
10/1 13:20	7.1	↑0.4
10/1 13:30	7.5	↑0.4
10/1 13:40	7.9	↑0.4
10/1 13:50	8.4	↑0.5
10/1 14:00	9.0	↑0.6
10/1 14:10	9.6	↑0.6
10/1 14:20	10.2	↑0.6
10/1 14:30	11.0	↑0.8
10/1 14:40	11.7	↑0.7
10/1 14:50	12.5	↑0.8
10/1 15:00	13.3	↑0.8
10/1 15:10	14.2	↑0.9
10/1 15:20	15.0	↑0.8
10/1 15:30	16.0	↑1.0	最大潮位差
10/1 15:40	16.9	↑0.9
10/1 15:50	17.8	↑0.9
10/1 16:00	18.8	↑1.0	最大潮位差
10/1 16:10	19.8	↑1.0	最大潮位差
10/1 16:20	20.7	↑0.9
10/1 16:30	21.6	↑0.9
10/1 16:40	22.6	↑1.0	最大潮位差
10/1 16:50	23.5	↑0.9
10/1 17:00	24.3	↑0.8
10/1 17:10	25.1	↑0.8
10/1 17:20	25.9	↑0.8
10/1 17:30	26.6	↑0.7
10/1 17:40	27.3	↑0.7
10/1 17:50	27.9	↑0.6
10/1 18:00	28.5	↑0.6
10/1 18:10	29.0	↑0.5
10/1 18:20	29.4	↑0.4
10/1 18:30	29.8	↑0.4
10/1 18:40	30.1	↑0.3
10/1 18:50	30.3	↑0.2
10/1 19:00	30.5	↑0.2
10/1 19:10	30.6	↑0.1
10/1 19:20	30.7	↑0.1	満潮
10/1 19:30	30.7	0
10/1 19:40	30.6	↓-0.1
10/1 19:50	30.5	↓-0.1
10/1 20:00	30.3	↓-0.2
10/1 20:10	30.1	↓-0.2
10/1 20:20	29.9	↓-0.2
10/1 20:30	29.6	↓-0.3
10/1 20:40	29.3	↓-0.3
10/1 20:50	29.0	↓-0.3
10/1 21:00	28.7	↓-0.3
10/1 21:10	28.3	↓-0.4
10/1 21:20	27.9	↓-0.4
10/1 21:30	27.5	↓-0.4
10/1 21:40	27.1	↓-0.4
10/1 21:50	26.8	↓-0.3
10/1 22:00	26.4	↓-0.4
10/1 22:10	26.0	↓-0.4
10/1 22:20	25.7	↓-0.3
10/1 22:30	25.3	↓-0.4
10/1 22:40	25.0	↓-0.3
10/1 22:50	24.8	↓-0.2
10/1 23:00	24.5	↓-0.3
10/1 23:10	24.3	↓-0.2
10/1 23:20	24.2	↓-0.1
10/1 23:30	24.0	↓-0.2
10/1 23:40	23.9	↓-0.1
10/1 23:50	23.9	0	干潮