22 (火)	02:40	07:12	12:33	20:13
	26cm	23cm	29cm	5cm
中潮 出 03:53 入 19:20 出 16:25 入 01:35

留萌（北海道）2021年06月22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
6/22 00:00	20.9	↑0.6
6/22 00:10	21.5	↑0.6
6/22 00:20	22.1	↑0.6
6/22 00:30	22.6	↑0.5
6/22 00:40	23.1	↑0.5
6/22 00:50	23.6	↑0.5
6/22 01:00	24.0	↑0.4
6/22 01:10	24.4	↑0.4
6/22 01:20	24.7	↑0.3
6/22 01:30	25.0	↑0.3
6/22 01:40	25.2	↑0.2
6/22 01:50	25.4	↑0.2
6/22 02:00	25.6	↑0.2
6/22 02:10	25.7	↑0.1
6/22 02:20	25.8	↑0.1
6/22 02:30	25.8	0	満潮
6/22 02:40	25.8	0	満潮
6/22 02:50	25.8	0
6/22 03:00	25.7	↓-0.1
6/22 03:10	25.7	0
6/22 03:20	25.6	↓-0.1
6/22 03:30	25.5	↓-0.1
6/22 03:40	25.4	↓-0.1
6/22 03:50	25.2	↓-0.2
6/22 04:00	25.1	↓-0.1
6/22 04:10	24.9	↓-0.2
6/22 04:20	24.7	↓-0.2
6/22 04:30	24.6	↓-0.1
6/22 04:40	24.4	↓-0.2
6/22 04:50	24.2	↓-0.2
6/22 05:00	24.0	↓-0.2
6/22 05:10	23.8	↓-0.2
6/22 05:20	23.5	↓-0.3
6/22 05:30	23.3	↓-0.2
6/22 05:40	23.1	↓-0.2
6/22 05:50	23.0	↓-0.1
6/22 06:00	22.8	↓-0.2
6/22 06:10	22.6	↓-0.2
6/22 06:20	22.5	↓-0.1
6/22 06:30	22.3	↓-0.2
6/22 06:40	22.2	↓-0.1
6/22 06:50	22.2	0
6/22 07:00	22.1	↓-0.1
6/22 07:10	22.1	0	干潮
6/22 07:20	22.1	0
6/22 07:30	22.2	↑0.1
6/22 07:40	22.2	0
6/22 07:50	22.3	↑0.1
6/22 08:00	22.5	↑0.2
6/22 08:10	22.6	↑0.1
6/22 08:20	22.8	↑0.2
6/22 08:30	23.0	↑0.2
6/22 08:40	23.2	↑0.2
6/22 08:50	23.4	↑0.2
6/22 09:00	23.6	↑0.2
6/22 09:10	23.9	↑0.3
6/22 09:20	24.1	↑0.2
6/22 09:30	24.4	↑0.3
6/22 09:40	24.6	↑0.2
6/22 09:50	24.9	↑0.3
6/22 10:00	25.2	↑0.3
6/22 10:10	25.4	↑0.2
6/22 10:20	25.7	↑0.3
6/22 10:30	26.0	↑0.3
6/22 10:40	26.2	↑0.2
6/22 10:50	26.5	↑0.3
6/22 11:00	26.7	↑0.2
6/22 11:10	27.0	↑0.3
6/22 11:20	27.2	↑0.2
6/22 11:30	27.4	↑0.2
6/22 11:40	27.6	↑0.2
6/22 11:50	27.8	↑0.2
6/22 12:00	27.9	↑0.1
6/22 12:10	28.0	↑0.1
6/22 12:20	28.1	↑0.1
6/22 12:30	28.1	0	満潮
6/22 12:40	28.1	0
6/22 12:50	28.1	0
6/22 13:00	28.0	↓-0.1
6/22 13:10	27.8	↓-0.2
6/22 13:20	27.6	↓-0.2
6/22 13:30	27.3	↓-0.3
6/22 13:40	27.0	↓-0.3
6/22 13:50	26.6	↓-0.4
6/22 14:00	26.2	↓-0.4
6/22 14:10	25.8	↓-0.4
6/22 14:20	25.3	↓-0.5
6/22 14:30	24.7	↓-0.6
6/22 14:40	24.1	↓-0.6
6/22 14:50	23.5	↓-0.6
6/22 15:00	22.9	↓-0.6
6/22 15:10	22.2	↓-0.7
6/22 15:20	21.5	↓-0.7
6/22 15:30	20.8	↓-0.7
6/22 15:40	20.1	↓-0.7
6/22 15:50	19.4	↓-0.7
6/22 16:00	18.6	↓-0.8
6/22 16:10	17.9	↓-0.7
6/22 16:20	17.1	↓-0.8
6/22 16:30	16.4	↓-0.7
6/22 16:40	15.6	↓-0.8
6/22 16:50	14.8	↓-0.8
6/22 17:00	14.1	↓-0.7
6/22 17:10	13.3	↓-0.8
6/22 17:20	12.5	↓-0.8
6/22 17:30	11.8	↓-0.7
6/22 17:40	11.1	↓-0.7
6/22 17:50	10.4	↓-0.7
6/22 18:00	9.7	↓-0.7
6/22 18:10	9.0	↓-0.7
6/22 18:20	8.4	↓-0.6
6/22 18:30	7.8	↓-0.6
6/22 18:40	7.3	↓-0.5
6/22 18:50	6.8	↓-0.5
6/22 19:00	6.3	↓-0.5
6/22 19:10	5.9	↓-0.4
6/22 19:20	5.6	↓-0.3
6/22 19:30	5.3	↓-0.3
6/22 19:40	5.1	↓-0.2
6/22 19:50	4.9	↓-0.2
6/22 20:00	4.8	↓-0.1
6/22 20:10	4.8	0	干潮
6/22 20:20	4.8	0
6/22 20:30	4.9	↑0.1
6/22 20:40	5.0	↑0.1
6/22 20:50	5.2	↑0.2
6/22 21:00	5.4	↑0.2
6/22 21:10	5.8	↑0.4
6/22 21:20	6.1	↑0.3
6/22 21:30	6.5	↑0.4
6/22 21:40	7.0	↑0.5
6/22 21:50	7.5	↑0.5
6/22 22:00	8.0	↑0.5
6/22 22:10	8.6	↑0.6
6/22 22:20	9.2	↑0.6
6/22 22:30	9.9	↑0.7
6/22 22:40	10.6	↑0.7
6/22 22:50	11.3	↑0.7
6/22 23:00	12.1	↑0.8
6/22 23:10	12.9	↑0.8
6/22 23:20	13.8	↑0.9	最大潮位差
6/22 23:30	14.6	↑0.8
6/22 23:40	15.5	↑0.9	最大潮位差
6/22 23:50	16.4	↑0.9	最大潮位差