15 (土)	05:16	13:00	21:16	22:43
	30cm	8cm	27cm	27cm
中潮 出 05:48 入 16:53 出 19:53 入 11:21

留萌（北海道）2022年10月15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
10/15 00:00	24.4	↑0.1
10/15 00:10	24.5	↑0.1
10/15 00:20	24.6	↑0.1
10/15 00:30	24.8	↑0.2
10/15 00:40	24.9	↑0.1
10/15 00:50	25.1	↑0.2
10/15 01:00	25.2	↑0.1
10/15 01:10	25.4	↑0.2
10/15 01:20	25.6	↑0.2
10/15 01:30	25.8	↑0.2
10/15 01:40	26.0	↑0.2
10/15 01:50	26.2	↑0.2
10/15 02:00	26.4	↑0.2
10/15 02:10	26.6	↑0.2
10/15 02:20	26.9	↑0.3
10/15 02:30	27.1	↑0.2
10/15 02:40	27.3	↑0.2
10/15 02:50	27.5	↑0.2
10/15 03:00	27.7	↑0.2
10/15 03:10	27.9	↑0.2
10/15 03:20	28.2	↑0.3
10/15 03:30	28.4	↑0.2
10/15 03:40	28.6	↑0.2
10/15 03:50	28.8	↑0.2
10/15 04:00	29.0	↑0.2
10/15 04:10	29.2	↑0.2
10/15 04:20	29.3	↑0.1
10/15 04:30	29.5	↑0.2
10/15 04:40	29.6	↑0.1
10/15 04:50	29.7	↑0.1
10/15 05:00	29.7	0
10/15 05:10	29.8	↑0.1	満潮
10/15 05:20	29.8	0
10/15 05:30	29.7	↓-0.1
10/15 05:40	29.7	0
10/15 05:50	29.5	↓-0.2
10/15 06:00	29.4	↓-0.1
10/15 06:10	29.1	↓-0.3
10/15 06:20	28.9	↓-0.2
10/15 06:30	28.6	↓-0.3
10/15 06:40	28.2	↓-0.4
10/15 06:50	27.8	↓-0.4
10/15 07:00	27.4	↓-0.4
10/15 07:10	26.9	↓-0.5
10/15 07:20	26.4	↓-0.5
10/15 07:30	25.8	↓-0.6
10/15 07:40	25.3	↓-0.5
10/15 07:50	24.6	↓-0.7
10/15 08:00	24.0	↓-0.6
10/15 08:10	23.3	↓-0.7
10/15 08:20	22.6	↓-0.7
10/15 08:30	21.9	↓-0.7
10/15 08:40	21.2	↓-0.7
10/15 08:50	20.4	↓-0.8	最大潮位差
10/15 09:00	19.7	↓-0.7
10/15 09:10	18.9	↓-0.8	最大潮位差
10/15 09:20	18.1	↓-0.8	最大潮位差
10/15 09:30	17.4	↓-0.7
10/15 09:40	16.6	↓-0.8	最大潮位差
10/15 09:50	15.9	↓-0.7
10/15 10:00	15.1	↓-0.8	最大潮位差
10/15 10:10	14.4	↓-0.7
10/15 10:20	13.7	↓-0.7
10/15 10:30	13.1	↓-0.6
10/15 10:40	12.4	↓-0.7
10/15 10:50	11.8	↓-0.6
10/15 11:00	11.2	↓-0.6
10/15 11:10	10.7	↓-0.5
10/15 11:20	10.2	↓-0.5
10/15 11:30	9.8	↓-0.4
10/15 11:40	9.4	↓-0.4
10/15 11:50	9.0	↓-0.4
10/15 12:00	8.7	↓-0.3
10/15 12:10	8.5	↓-0.2
10/15 12:20	8.3	↓-0.2
10/15 12:30	8.1	↓-0.2
10/15 12:40	8.0	↓-0.1
10/15 12:50	7.9	↓-0.1	干潮
10/15 13:00	7.9	0	干潮
10/15 13:10	7.9	0
10/15 13:20	8.0	↑0.1
10/15 13:30	8.1	↑0.1
10/15 13:40	8.3	↑0.2
10/15 13:50	8.5	↑0.2
10/15 14:00	8.7	↑0.2
10/15 14:10	9.0	↑0.3
10/15 14:20	9.3	↑0.3
10/15 14:30	9.6	↑0.3
10/15 14:40	10.0	↑0.4
10/15 14:50	10.4	↑0.4
10/15 15:00	10.9	↑0.5
10/15 15:10	11.3	↑0.4
10/15 15:20	11.9	↑0.6
10/15 15:30	12.4	↑0.5
10/15 15:40	13.0	↑0.6
10/15 15:50	13.5	↑0.5
10/15 16:00	14.2	↑0.7
10/15 16:10	14.8	↑0.6
10/15 16:20	15.4	↑0.6
10/15 16:30	16.1	↑0.7
10/15 16:40	16.7	↑0.6
10/15 16:50	17.4	↑0.7
10/15 17:00	18.1	↑0.7
10/15 17:10	18.7	↑0.6
10/15 17:20	19.3	↑0.6
10/15 17:30	20.0	↑0.7
10/15 17:40	20.6	↑0.6
10/15 17:50	21.1	↑0.5
10/15 18:00	21.7	↑0.6
10/15 18:10	22.2	↑0.5
10/15 18:20	22.7	↑0.5
10/15 18:30	23.2	↑0.5
10/15 18:40	23.6	↑0.4
10/15 18:50	24.0	↑0.4
10/15 19:00	24.4	↑0.4
10/15 19:10	24.7	↑0.3
10/15 19:20	25.0	↑0.3
10/15 19:30	25.2	↑0.2
10/15 19:40	25.4	↑0.2
10/15 19:50	25.6	↑0.2
10/15 20:00	25.8	↑0.2
10/15 20:10	25.9	↑0.1
10/15 20:20	26.0	↑0.1
10/15 20:30	26.1	↑0.1
10/15 20:40	26.2	↑0.1
10/15 20:50	26.2	0
10/15 21:00	26.2	0
10/15 21:10	26.3	↑0.1	満潮
10/15 21:20	26.3	0
10/15 21:30	26.2	↓-0.1
10/15 21:40	26.2	0
10/15 21:50	26.2	0
10/15 22:00	26.2	0
10/15 22:10	26.2	0
10/15 22:20	26.1	↓-0.1
10/15 22:30	26.1	0
10/15 22:40	26.1	0	干潮
10/15 22:50	26.1	0
10/15 23:00	26.1	0
10/15 23:10	26.2	↑0.1
10/15 23:20	26.2	0
10/15 23:30	26.3	↑0.1
10/15 23:40	26.3	0
10/15 23:50	26.4	↑0.1