23 (月)	03:42	08:38	11:52	19:39
	29cm	26cm	28cm	13cm
若潮 出 05:22 入 17:31 出 00:36 入 14:58

留萌（北海道）2030年09月23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
9/23 00:00	24.7	↑0.3
9/23 00:10	25.1	↑0.4
9/23 00:20	25.4	↑0.3
9/23 00:30	25.8	↑0.4
9/23 00:40	26.1	↑0.3
9/23 00:50	26.3	↑0.2
9/23 01:00	26.6	↑0.3
9/23 01:10	26.8	↑0.2
9/23 01:20	27.1	↑0.3
9/23 01:30	27.3	↑0.2
9/23 01:40	27.5	↑0.2
9/23 01:50	27.6	↑0.1
9/23 02:00	27.8	↑0.2
9/23 02:10	28.0	↑0.2
9/23 02:20	28.1	↑0.1
9/23 02:30	28.2	↑0.1
9/23 02:40	28.3	↑0.1
9/23 02:50	28.4	↑0.1
9/23 03:00	28.5	↑0.1
9/23 03:10	28.6	↑0.1
9/23 03:20	28.7	↑0.1
9/23 03:30	28.7	0
9/23 03:40	28.7	0	満潮
9/23 03:50	28.7	0
9/23 04:00	28.7	0
9/23 04:10	28.6	↓-0.1
9/23 04:20	28.5	↓-0.1
9/23 04:30	28.5	0
9/23 04:40	28.4	↓-0.1
9/23 04:50	28.2	↓-0.2
9/23 05:00	28.1	↓-0.1
9/23 05:10	28.0	↓-0.1
9/23 05:20	27.8	↓-0.2
9/23 05:30	27.7	↓-0.1
9/23 05:40	27.5	↓-0.2
9/23 05:50	27.3	↓-0.2
9/23 06:00	27.2	↓-0.1
9/23 06:10	27.0	↓-0.2
9/23 06:20	26.9	↓-0.1
9/23 06:30	26.8	↓-0.1
9/23 06:40	26.6	↓-0.2
9/23 06:50	26.5	↓-0.1
9/23 07:00	26.4	↓-0.1
9/23 07:10	26.3	↓-0.1
9/23 07:20	26.2	↓-0.1
9/23 07:30	26.1	↓-0.1
9/23 07:40	26.1	0
9/23 07:50	26.0	↓-0.1
9/23 08:00	26.0	0
9/23 08:10	26.0	0
9/23 08:20	25.9	↓-0.1
9/23 08:30	25.9	0	干潮
9/23 08:40	25.9	0
9/23 08:50	25.9	0
9/23 09:00	25.9	0
9/23 09:10	26.0	↑0.1
9/23 09:20	26.0	0
9/23 09:30	26.1	↑0.1
9/23 09:40	26.1	0
9/23 09:50	26.2	↑0.1
9/23 10:00	26.3	↑0.1
9/23 10:10	26.4	↑0.1
9/23 10:20	26.5	↑0.1
9/23 10:30	26.6	↑0.1
9/23 10:40	26.7	↑0.1
9/23 10:50	26.8	↑0.1
9/23 11:00	26.9	↑0.1
9/23 11:10	27.0	↑0.1
9/23 11:20	27.0	0
9/23 11:30	27.1	↑0.1
9/23 11:40	27.1	0
9/23 11:50	27.2	↑0.1	満潮
9/23 12:00	27.2	0
9/23 12:10	27.1	↓-0.1
9/23 12:20	27.0	↓-0.1
9/23 12:30	27.0	0
9/23 12:40	26.8	↓-0.2
9/23 12:50	26.7	↓-0.1
9/23 13:00	26.5	↓-0.2
9/23 13:10	26.3	↓-0.2
9/23 13:20	26.0	↓-0.3
9/23 13:30	25.7	↓-0.3
9/23 13:40	25.5	↓-0.2
9/23 13:50	25.1	↓-0.4
9/23 14:00	24.8	↓-0.3
9/23 14:10	24.5	↓-0.3
9/23 14:20	24.1	↓-0.4
9/23 14:30	23.7	↓-0.4
9/23 14:40	23.3	↓-0.4
9/23 14:50	22.9	↓-0.4
9/23 15:00	22.5	↓-0.4
9/23 15:10	22.1	↓-0.4
9/23 15:20	21.6	↓-0.5
9/23 15:30	21.2	↓-0.4
9/23 15:40	20.8	↓-0.4
9/23 15:50	20.3	↓-0.5
9/23 16:00	19.9	↓-0.4
9/23 16:10	19.4	↓-0.5
9/23 16:20	18.9	↓-0.5
9/23 16:30	18.4	↓-0.5
9/23 16:40	18.0	↓-0.4
9/23 16:50	17.5	↓-0.5
9/23 17:00	17.0	↓-0.5
9/23 17:10	16.6	↓-0.4
9/23 17:20	16.1	↓-0.5
9/23 17:30	15.7	↓-0.4
9/23 17:40	15.3	↓-0.4
9/23 17:50	14.9	↓-0.4
9/23 18:00	14.5	↓-0.4
9/23 18:10	14.2	↓-0.3
9/23 18:20	13.9	↓-0.3
9/23 18:30	13.6	↓-0.3
9/23 18:40	13.4	↓-0.2
9/23 18:50	13.2	↓-0.2
9/23 19:00	13.0	↓-0.2
9/23 19:10	12.9	↓-0.1
9/23 19:20	12.8	↓-0.1
9/23 19:30	12.7	↓-0.1	干潮
9/23 19:40	12.7	0
9/23 19:50	12.7	0
9/23 20:00	12.8	↑0.1
9/23 20:10	12.9	↑0.1
9/23 20:20	13.0	↑0.1
9/23 20:30	13.2	↑0.2
9/23 20:40	13.4	↑0.2
9/23 20:50	13.6	↑0.2
9/23 21:00	13.9	↑0.3
9/23 21:10	14.1	↑0.2
9/23 21:20	14.4	↑0.3
9/23 21:30	14.8	↑0.4
9/23 21:40	15.2	↑0.4
9/23 21:50	15.6	↑0.4
9/23 22:00	16.0	↑0.4
9/23 22:10	16.4	↑0.4
9/23 22:20	16.9	↑0.5
9/23 22:30	17.4	↑0.5
9/23 22:40	17.9	↑0.5
9/23 22:50	18.4	↑0.5
9/23 23:00	19.0	↑0.6	最大潮位差
9/23 23:10	19.5	↑0.5
9/23 23:20	20.1	↑0.6	最大潮位差
9/23 23:30	20.6	↑0.5
9/23 23:40	21.1	↑0.5
9/23 23:50	21.7	↑0.6	最大潮位差