20 (火)	07:37	10:24	15:43	23:48
	32cm	31cm	35cm	7cm
中潮 出 03:53 入 19:19 出 05:04 入 21:22

留萌（北海道）2023年06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
6/20 00:00	6.2	↑0.3
6/20 00:10	6.5	↑0.3
6/20 00:20	6.9	↑0.4
6/20 00:30	7.3	↑0.4
6/20 00:40	7.8	↑0.5
6/20 00:50	8.3	↑0.5
6/20 01:00	8.9	↑0.6
6/20 01:10	9.6	↑0.7
6/20 01:20	10.3	↑0.7
6/20 01:30	11.0	↑0.7
6/20 01:40	11.8	↑0.8
6/20 01:50	12.6	↑0.8
6/20 02:00	13.5	↑0.9
6/20 02:10	14.4	↑0.9
6/20 02:20	15.3	↑0.9
6/20 02:30	16.2	↑0.9
6/20 02:40	17.1	↑0.9
6/20 02:50	18.1	↑1.0	最大潮位差
6/20 03:00	19.0	↑0.9
6/20 03:10	19.9	↑0.9
6/20 03:20	20.8	↑0.9
6/20 03:30	21.7	↑0.9
6/20 03:40	22.6	↑0.9
6/20 03:50	23.4	↑0.8
6/20 04:00	24.3	↑0.9
6/20 04:10	25.0	↑0.7
6/20 04:20	25.7	↑0.7
6/20 04:30	26.4	↑0.7
6/20 04:40	27.1	↑0.7
6/20 04:50	27.6	↑0.5
6/20 05:00	28.2	↑0.6
6/20 05:10	28.7	↑0.5
6/20 05:20	29.1	↑0.4
6/20 05:30	29.6	↑0.5
6/20 05:40	29.9	↑0.3
6/20 05:50	30.3	↑0.4
6/20 06:00	30.6	↑0.3
6/20 06:10	30.8	↑0.2
6/20 06:20	31.1	↑0.3
6/20 06:30	31.3	↑0.2
6/20 06:40	31.4	↑0.1
6/20 06:50	31.6	↑0.2
6/20 07:00	31.7	↑0.1
6/20 07:10	31.8	↑0.1
6/20 07:20	31.8	0
6/20 07:30	31.8	0	満潮
6/20 07:40	31.8	0
6/20 07:50	31.8	0
6/20 08:00	31.8	0
6/20 08:10	31.7	↓-0.1
6/20 08:20	31.7	0
6/20 08:30	31.6	↓-0.1
6/20 08:40	31.5	↓-0.1
6/20 08:50	31.4	↓-0.1
6/20 09:00	31.3	↓-0.1
6/20 09:10	31.2	↓-0.1
6/20 09:20	31.2	0
6/20 09:30	31.1	↓-0.1
6/20 09:40	31.0	↓-0.1
6/20 09:50	31.0	0
6/20 10:00	30.9	↓-0.1
6/20 10:10	30.9	0
6/20 10:20	30.9	0	干潮
6/20 10:30	30.9	0
6/20 10:40	30.9	0
6/20 10:50	30.9	0
6/20 11:00	31.0	↑0.1
6/20 11:10	31.0	0
6/20 11:20	31.1	↑0.1
6/20 11:30	31.2	↑0.1
6/20 11:40	31.3	↑0.1
6/20 11:50	31.3	0
6/20 12:00	31.4	↑0.1
6/20 12:10	31.5	↑0.1
6/20 12:20	31.6	↑0.1
6/20 12:30	31.7	↑0.1
6/20 12:40	31.9	↑0.2
6/20 12:50	32.0	↑0.1
6/20 13:00	32.1	↑0.1
6/20 13:10	32.2	↑0.1
6/20 13:20	32.4	↑0.2
6/20 13:30	32.5	↑0.1
6/20 13:40	32.7	↑0.2
6/20 13:50	32.9	↑0.2
6/20 14:00	33.0	↑0.1
6/20 14:10	33.2	↑0.2
6/20 14:20	33.4	↑0.2
6/20 14:30	33.5	↑0.1
6/20 14:40	33.7	↑0.2
6/20 14:50	33.9	↑0.2
6/20 15:00	34.0	↑0.1
6/20 15:10	34.1	↑0.1
6/20 15:20	34.2	↑0.1
6/20 15:30	34.3	↑0.1
6/20 15:40	34.3	0	満潮
6/20 15:50	34.3	0
6/20 16:00	34.2	↓-0.1
6/20 16:10	34.1	↓-0.1
6/20 16:20	34.0	↓-0.1
6/20 16:30	33.8	↓-0.2
6/20 16:40	33.5	↓-0.3
6/20 16:50	33.2	↓-0.3
6/20 17:00	32.9	↓-0.3
6/20 17:10	32.5	↓-0.4
6/20 17:20	32.0	↓-0.5
6/20 17:30	31.5	↓-0.5
6/20 17:40	31.0	↓-0.5
6/20 17:50	30.4	↓-0.6
6/20 18:00	29.7	↓-0.7
6/20 18:10	29.1	↓-0.6
6/20 18:20	28.3	↓-0.8
6/20 18:30	27.6	↓-0.7
6/20 18:40	26.8	↓-0.8
6/20 18:50	26.0	↓-0.8
6/20 19:00	25.2	↓-0.8
6/20 19:10	24.4	↓-0.8
6/20 19:20	23.5	↓-0.9
6/20 19:30	22.6	↓-0.9
6/20 19:40	21.7	↓-0.9
6/20 19:50	20.8	↓-0.9
6/20 20:00	19.9	↓-0.9
6/20 20:10	19.0	↓-0.9
6/20 20:20	18.0	↓-1.0	最大潮位差
6/20 20:30	17.1	↓-0.9
6/20 20:40	16.2	↓-0.9
6/20 20:50	15.3	↓-0.9
6/20 21:00	14.5	↓-0.8
6/20 21:10	13.6	↓-0.9
6/20 21:20	12.8	↓-0.8
6/20 21:30	12.0	↓-0.8
6/20 21:40	11.3	↓-0.7
6/20 21:50	10.6	↓-0.7
6/20 22:00	10.0	↓-0.6
6/20 22:10	9.4	↓-0.6
6/20 22:20	8.8	↓-0.6
6/20 22:30	8.3	↓-0.5
6/20 22:40	7.9	↓-0.4
6/20 22:50	7.6	↓-0.3
6/20 23:00	7.2	↓-0.4
6/20 23:10	7.0	↓-0.2
6/20 23:20	6.8	↓-0.2
6/20 23:30	6.7	↓-0.1
6/20 23:40	6.6	↓-0.1	干潮
6/20 23:50	6.6	0