23 (木)	04:58	11:03	17:27	23:32
	27cm	12cm	29cm	15cm
大潮 出 05:22 入 17:31 出 18:45 入 07:15

留萌（北海道）2021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	12.4	↑0.2
9/23 00:10	12.7	↑0.3
9/23 00:20	13.0	↑0.3
9/23 00:30	13.4	↑0.4
9/23 00:40	13.8	↑0.4
9/23 00:50	14.2	↑0.4
9/23 01:00	14.7	↑0.5
9/23 01:10	15.3	↑0.6
9/23 01:20	15.8	↑0.5
9/23 01:30	16.5	↑0.7
9/23 01:40	17.1	↑0.6
9/23 01:50	17.8	↑0.7
9/23 02:00	18.5	↑0.7
9/23 02:10	19.2	↑0.7
9/23 02:20	19.9	↑0.7
9/23 02:30	20.6	↑0.7
9/23 02:40	21.3	↑0.7
9/23 02:50	22.0	↑0.7
9/23 03:00	22.6	↑0.6
9/23 03:10	23.3	↑0.7
9/23 03:20	23.9	↑0.6
9/23 03:30	24.4	↑0.5
9/23 03:40	25.0	↑0.6
9/23 03:50	25.4	↑0.4
9/23 04:00	25.8	↑0.4
9/23 04:10	26.2	↑0.4
9/23 04:20	26.4	↑0.2
9/23 04:30	26.6	↑0.2
9/23 04:40	26.8	↑0.2
9/23 04:50	26.9	↑0.1	満潮
9/23 05:00	26.9	0
9/23 05:10	26.8	↓-0.1
9/23 05:20	26.7	↓-0.1
9/23 05:30	26.5	↓-0.2
9/23 05:40	26.3	↓-0.2
9/23 05:50	26.0	↓-0.3
9/23 06:00	25.7	↓-0.3
9/23 06:10	25.3	↓-0.4
9/23 06:20	24.9	↓-0.4
9/23 06:30	24.4	↓-0.5
9/23 06:40	23.9	↓-0.5
9/23 06:50	23.4	↓-0.5
9/23 07:00	22.8	↓-0.6
9/23 07:10	22.2	↓-0.6
9/23 07:20	21.6	↓-0.6
9/23 07:30	20.9	↓-0.7
9/23 07:40	20.3	↓-0.6
9/23 07:50	19.6	↓-0.7
9/23 08:00	18.9	↓-0.7
9/23 08:10	18.2	↓-0.7
9/23 08:20	17.6	↓-0.6
9/23 08:30	16.9	↓-0.7
9/23 08:40	16.2	↓-0.7
9/23 08:50	15.6	↓-0.6
9/23 09:00	15.0	↓-0.6
9/23 09:10	14.4	↓-0.6
9/23 09:20	13.9	↓-0.5
9/23 09:30	13.4	↓-0.5
9/23 09:40	12.9	↓-0.5
9/23 09:50	12.5	↓-0.4
9/23 10:00	12.2	↓-0.3
9/23 10:10	11.9	↓-0.3
9/23 10:20	11.6	↓-0.3
9/23 10:30	11.4	↓-0.2
9/23 10:40	11.3	↓-0.1
9/23 10:50	11.2	↓-0.1
9/23 11:00	11.2	0	干潮
9/23 11:10	11.2	0
9/23 11:20	11.2	0
9/23 11:30	11.4	↑0.2
9/23 11:40	11.5	↑0.1
9/23 11:50	11.7	↑0.2
9/23 12:00	12.0	↑0.3
9/23 12:10	12.3	↑0.3
9/23 12:20	12.6	↑0.3
9/23 12:30	13.0	↑0.4
9/23 12:40	13.4	↑0.4
9/23 12:50	13.9	↑0.5
9/23 13:00	14.4	↑0.5
9/23 13:10	14.9	↑0.5
9/23 13:20	15.5	↑0.6
9/23 13:30	16.1	↑0.6
9/23 13:40	16.7	↑0.6
9/23 13:50	17.4	↑0.7
9/23 14:00	18.1	↑0.7
9/23 14:10	18.8	↑0.7
9/23 14:20	19.5	↑0.7
9/23 14:30	20.2	↑0.7
9/23 14:40	21.0	↑0.8	最大潮位差
9/23 14:50	21.7	↑0.7
9/23 15:00	22.4	↑0.7
9/23 15:10	23.1	↑0.7
9/23 15:20	23.8	↑0.7
9/23 15:30	24.5	↑0.7
9/23 15:40	25.1	↑0.6
9/23 15:50	25.7	↑0.6
9/23 16:00	26.2	↑0.5
9/23 16:10	26.7	↑0.5
9/23 16:20	27.1	↑0.4
9/23 16:30	27.5	↑0.4
9/23 16:40	27.8	↑0.3
9/23 16:50	28.0	↑0.2
9/23 17:00	28.2	↑0.2
9/23 17:10	28.3	↑0.1
9/23 17:20	28.4	↑0.1	満潮
9/23 17:30	28.4	0
9/23 17:40	28.3	↓-0.1
9/23 17:50	28.2	↓-0.1
9/23 18:00	28.1	↓-0.1
9/23 18:10	27.9	↓-0.2
9/23 18:20	27.6	↓-0.3
9/23 18:30	27.3	↓-0.3
9/23 18:40	26.9	↓-0.4
9/23 18:50	26.5	↓-0.4
9/23 19:00	26.1	↓-0.4
9/23 19:10	25.7	↓-0.4
9/23 19:20	25.2	↓-0.5
9/23 19:30	24.6	↓-0.6
9/23 19:40	24.1	↓-0.5
9/23 19:50	23.5	↓-0.6
9/23 20:00	22.9	↓-0.6
9/23 20:10	22.3	↓-0.6
9/23 20:20	21.7	↓-0.6
9/23 20:30	21.1	↓-0.6
9/23 20:40	20.5	↓-0.6
9/23 20:50	19.8	↓-0.7
9/23 21:00	19.2	↓-0.6
9/23 21:10	18.6	↓-0.6
9/23 21:20	18.1	↓-0.5
9/23 21:30	17.5	↓-0.6
9/23 21:40	17.0	↓-0.5
9/23 21:50	16.5	↓-0.5
9/23 22:00	16.1	↓-0.4
9/23 22:10	15.7	↓-0.4
9/23 22:20	15.3	↓-0.4
9/23 22:30	15.0	↓-0.3
9/23 22:40	14.7	↓-0.3
9/23 22:50	14.5	↓-0.2
9/23 23:00	14.3	↓-0.2
9/23 23:10	14.2	↓-0.1
9/23 23:20	14.1	↓-0.1
9/23 23:30	14.1	0	干潮
9/23 23:40	14.1	0
9/23 23:50	14.2	↑0.1