20 (水)	06:42	00:28	22:49	15:10
	30cm	26cm	27cm	17cm
小潮 出 05:19 入 17:37 出 12:10 入 22:02

留萌（北海道）2034年09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
9/20 00:00	25.1	↓-0.1
9/20 00:10	25.0	↓-0.1
9/20 00:20	25.0	0	干潮
9/20 00:30	25.0	0
9/20 00:40	25.0	0
9/20 00:50	25.1	↑0.1
9/20 01:00	25.1	0
9/20 01:10	25.2	↑0.1
9/20 01:20	25.3	↑0.1
9/20 01:30	25.4	↑0.1
9/20 01:40	25.5	↑0.1
9/20 01:50	25.7	↑0.2
9/20 02:00	25.8	↑0.1
9/20 02:10	26.0	↑0.2
9/20 02:20	26.1	↑0.1
9/20 02:30	26.3	↑0.2
9/20 02:40	26.5	↑0.2
9/20 02:50	26.7	↑0.2
9/20 03:00	26.8	↑0.1
9/20 03:10	27.0	↑0.2
9/20 03:20	27.2	↑0.2
9/20 03:30	27.4	↑0.2
9/20 03:40	27.6	↑0.2
9/20 03:50	27.8	↑0.2
9/20 04:00	27.9	↑0.1
9/20 04:10	28.1	↑0.2
9/20 04:20	28.3	↑0.2
9/20 04:30	28.5	↑0.2
9/20 04:40	28.7	↑0.2
9/20 04:50	28.8	↑0.1
9/20 05:00	29.0	↑0.2
9/20 05:10	29.1	↑0.1
9/20 05:20	29.3	↑0.2
9/20 05:30	29.4	↑0.1
9/20 05:40	29.5	↑0.1
9/20 05:50	29.7	↑0.2
9/20 06:00	29.7	0
9/20 06:10	29.8	↑0.1
9/20 06:20	29.9	↑0.1
9/20 06:30	29.9	0
9/20 06:40	29.9	0	満潮
9/20 06:50	29.9	0
9/20 07:00	29.9	0
9/20 07:10	29.8	↓-0.1
9/20 07:20	29.7	↓-0.1
9/20 07:30	29.6	↓-0.1
9/20 07:40	29.5	↓-0.1
9/20 07:50	29.3	↓-0.2
9/20 08:00	29.1	↓-0.2
9/20 08:10	28.9	↓-0.2
9/20 08:20	28.7	↓-0.2
9/20 08:30	28.4	↓-0.3
9/20 08:40	28.1	↓-0.3
9/20 08:50	27.8	↓-0.3
9/20 09:00	27.5	↓-0.3
9/20 09:10	27.2	↓-0.3
9/20 09:20	26.8	↓-0.4
9/20 09:30	26.4	↓-0.4
9/20 09:40	26.0	↓-0.4
9/20 09:50	25.6	↓-0.4
9/20 10:00	25.2	↓-0.4
9/20 10:10	24.7	↓-0.5	最大潮位差
9/20 10:20	24.3	↓-0.4
9/20 10:30	23.9	↓-0.4
9/20 10:40	23.4	↓-0.5	最大潮位差
9/20 10:50	23.0	↓-0.4
9/20 11:00	22.5	↓-0.5	最大潮位差
9/20 11:10	22.1	↓-0.4
9/20 11:20	21.7	↓-0.4
9/20 11:30	21.2	↓-0.5	最大潮位差
9/20 11:40	20.8	↓-0.4
9/20 11:50	20.4	↓-0.4
9/20 12:00	20.1	↓-0.3
9/20 12:10	19.7	↓-0.4
9/20 12:20	19.4	↓-0.3
9/20 12:30	19.1	↓-0.3
9/20 12:40	18.8	↓-0.3
9/20 12:50	18.5	↓-0.3
9/20 13:00	18.2	↓-0.3
9/20 13:10	18.0	↓-0.2
9/20 13:20	17.8	↓-0.2
9/20 13:30	17.6	↓-0.2
9/20 13:40	17.5	↓-0.1
9/20 13:50	17.3	↓-0.2
9/20 14:00	17.2	↓-0.1
9/20 14:10	17.1	↓-0.1
9/20 14:20	17.0	↓-0.1
9/20 14:30	16.9	↓-0.1
9/20 14:40	16.8	↓-0.1
9/20 14:50	16.8	0
9/20 15:00	16.8	0	干潮
9/20 15:10	16.8	0	干潮
9/20 15:20	16.8	0
9/20 15:30	16.8	0
9/20 15:40	16.8	0
9/20 15:50	16.9	↑0.1
9/20 16:00	17.0	↑0.1
9/20 16:10	17.1	↑0.1
9/20 16:20	17.3	↑0.2
9/20 16:30	17.4	↑0.1
9/20 16:40	17.6	↑0.2
9/20 16:50	17.8	↑0.2
9/20 17:00	18.1	↑0.3
9/20 17:10	18.3	↑0.2
9/20 17:20	18.6	↑0.3
9/20 17:30	18.9	↑0.3
9/20 17:40	19.2	↑0.3
9/20 17:50	19.5	↑0.3
9/20 18:00	19.9	↑0.4
9/20 18:10	20.2	↑0.3
9/20 18:20	20.6	↑0.4
9/20 18:30	21.0	↑0.4
9/20 18:40	21.4	↑0.4
9/20 18:50	21.7	↑0.3
9/20 19:00	22.1	↑0.4
9/20 19:10	22.5	↑0.4
9/20 19:20	22.8	↑0.3
9/20 19:30	23.2	↑0.4
9/20 19:40	23.5	↑0.3
9/20 19:50	23.9	↑0.4
9/20 20:00	24.2	↑0.3
9/20 20:10	24.5	↑0.3
9/20 20:20	24.8	↑0.3
9/20 20:30	25.1	↑0.3
9/20 20:40	25.3	↑0.2
9/20 20:50	25.6	↑0.3
9/20 21:00	25.8	↑0.2
9/20 21:10	26.0	↑0.2
9/20 21:20	26.1	↑0.1
9/20 21:30	26.3	↑0.2
9/20 21:40	26.4	↑0.1
9/20 21:50	26.5	↑0.1
9/20 22:00	26.6	↑0.1
9/20 22:10	26.7	↑0.1
9/20 22:20	26.7	0
9/20 22:30	26.8	↑0.1
9/20 22:40	26.8	0	満潮
9/20 22:50	26.8	0
9/20 23:00	26.8	0
9/20 23:10	26.7	↓-0.1
9/20 23:20	26.7	0
9/20 23:30	26.7	0
9/20 23:40	26.7	0
9/20 23:50	26.7	0