18 (日)	06:44	09:25	14:19	22:30
	31cm	30cm	33cm	5cm
大潮 出 03:52 入 19:19 出 03:19 入 19:46

留萌（北海道）2023年06月18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
6/18 00:00	7.7	↑0.6
6/18 00:10	8.5	↑0.8
6/18 00:20	9.2	↑0.7
6/18 00:30	10.0	↑0.8
6/18 00:40	10.8	↑0.8
6/18 00:50	11.7	↑0.9
6/18 01:00	12.6	↑0.9
6/18 01:10	13.5	↑0.9
6/18 01:20	14.4	↑0.9
6/18 01:30	15.3	↑0.9
6/18 01:40	16.2	↑0.9
6/18 01:50	17.2	↑1.0	最大潮位差
6/18 02:00	18.1	↑0.9
6/18 02:10	19.0	↑0.9
6/18 02:20	19.8	↑0.8
6/18 02:30	20.7	↑0.9
6/18 02:40	21.5	↑0.8
6/18 02:50	22.3	↑0.8
6/18 03:00	23.0	↑0.7
6/18 03:10	23.7	↑0.7
6/18 03:20	24.4	↑0.7
6/18 03:30	25.0	↑0.6
6/18 03:40	25.6	↑0.6
6/18 03:50	26.2	↑0.6
6/18 04:00	26.7	↑0.5
6/18 04:10	27.2	↑0.5
6/18 04:20	27.6	↑0.4
6/18 04:30	28.0	↑0.4
6/18 04:40	28.4	↑0.4
6/18 04:50	28.8	↑0.4
6/18 05:00	29.1	↑0.3
6/18 05:10	29.3	↑0.2
6/18 05:20	29.6	↑0.3
6/18 05:30	29.8	↑0.2
6/18 05:40	30.0	↑0.2
6/18 05:50	30.2	↑0.2
6/18 06:00	30.3	↑0.1
6/18 06:10	30.4	↑0.1
6/18 06:20	30.4	0
6/18 06:30	30.5	↑0.1
6/18 06:40	30.5	0	満潮
6/18 06:50	30.5	0
6/18 07:00	30.5	0
6/18 07:10	30.4	↓-0.1
6/18 07:20	30.4	0
6/18 07:30	30.3	↓-0.1
6/18 07:40	30.2	↓-0.1
6/18 07:50	30.1	↓-0.1
6/18 08:00	30.1	0
6/18 08:10	30.0	↓-0.1
6/18 08:20	29.9	↓-0.1
6/18 08:30	29.8	↓-0.1
6/18 08:40	29.8	0
6/18 08:50	29.7	↓-0.1
6/18 09:00	29.7	0
6/18 09:10	29.7	0
6/18 09:20	29.6	↓-0.1	干潮
6/18 09:30	29.6	0
6/18 09:40	29.7	↑0.1
6/18 09:50	29.7	0
6/18 10:00	29.7	0
6/18 10:10	29.8	↑0.1
6/18 10:20	29.8	0
6/18 10:30	29.9	↑0.1
6/18 10:40	30.0	↑0.1
6/18 10:50	30.0	0
6/18 11:00	30.1	↑0.1
6/18 11:10	30.2	↑0.1
6/18 11:20	30.3	↑0.1
6/18 11:30	30.4	↑0.1
6/18 11:40	30.5	↑0.1
6/18 11:50	30.7	↑0.2
6/18 12:00	30.8	↑0.1
6/18 12:10	31.0	↑0.2
6/18 12:20	31.1	↑0.1
6/18 12:30	31.3	↑0.2
6/18 12:40	31.4	↑0.1
6/18 12:50	31.6	↑0.2
6/18 13:00	31.8	↑0.2
6/18 13:10	31.9	↑0.1
6/18 13:20	32.1	↑0.2
6/18 13:30	32.2	↑0.1
6/18 13:40	32.3	↑0.1
6/18 13:50	32.5	↑0.2
6/18 14:00	32.5	0
6/18 14:10	32.6	↑0.1	満潮
6/18 14:20	32.6	0
6/18 14:30	32.6	0
6/18 14:40	32.5	↓-0.1
6/18 14:50	32.4	↓-0.1
6/18 15:00	32.2	↓-0.2
6/18 15:10	32.0	↓-0.2
6/18 15:20	31.7	↓-0.3
6/18 15:30	31.4	↓-0.3
6/18 15:40	31.0	↓-0.4
6/18 15:50	30.6	↓-0.4
6/18 16:00	30.1	↓-0.5
6/18 16:10	29.6	↓-0.5
6/18 16:20	29.0	↓-0.6
6/18 16:30	28.4	↓-0.6
6/18 16:40	27.7	↓-0.7
6/18 16:50	27.0	↓-0.7
6/18 17:00	26.3	↓-0.7
6/18 17:10	25.5	↓-0.8
6/18 17:20	24.8	↓-0.7
6/18 17:30	24.0	↓-0.8
6/18 17:40	23.1	↓-0.9
6/18 17:50	22.3	↓-0.8
6/18 18:00	21.4	↓-0.9
6/18 18:10	20.5	↓-0.9
6/18 18:20	19.6	↓-0.9
6/18 18:30	18.7	↓-0.9
6/18 18:40	17.8	↓-0.9
6/18 18:50	16.8	↓-1.0	最大潮位差
6/18 19:00	15.9	↓-0.9
6/18 19:10	15.0	↓-0.9
6/18 19:20	14.1	↓-0.9
6/18 19:30	13.2	↓-0.9
6/18 19:40	12.3	↓-0.9
6/18 19:50	11.4	↓-0.9
6/18 20:00	10.6	↓-0.8
6/18 20:10	9.8	↓-0.8
6/18 20:20	9.1	↓-0.7
6/18 20:30	8.3	↓-0.8
6/18 20:40	7.7	↓-0.6
6/18 20:50	7.1	↓-0.6
6/18 21:00	6.5	↓-0.6
6/18 21:10	6.0	↓-0.5
6/18 21:20	5.5	↓-0.5
6/18 21:30	5.2	↓-0.3
6/18 21:40	4.8	↓-0.4
6/18 21:50	4.6	↓-0.2
6/18 22:00	4.4	↓-0.2
6/18 22:10	4.2	↓-0.2
6/18 22:20	4.1	↓-0.1	干潮
6/18 22:30	4.1	0	干潮
6/18 22:40	4.2	↑0.1
6/18 22:50	4.2	0
6/18 23:00	4.4	↑0.2
6/18 23:10	4.6	↑0.2
6/18 23:20	4.9	↑0.3
6/18 23:30	5.2	↑0.3
6/18 23:40	5.6	↑0.4
6/18 23:50	6.0	↑0.4