18 (日)	11:40	06:26	23:33	17:09
	14cm	10cm	17cm	11cm
長潮 出 07:02 入 16:00 出 00:40 入 12:34

留萌（北海道）2022年12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
12/18 00:00	16.3	↓-0.1
12/18 00:10	16.2	↓-0.1
12/18 00:20	16.0	↓-0.2
12/18 00:30	15.9	↓-0.1
12/18 00:40	15.7	↓-0.2
12/18 00:50	15.5	↓-0.2
12/18 01:00	15.3	↓-0.2
12/18 01:10	15.1	↓-0.2
12/18 01:20	14.9	↓-0.2
12/18 01:30	14.7	↓-0.2
12/18 01:40	14.5	↓-0.2
12/18 01:50	14.3	↓-0.2
12/18 02:00	14.1	↓-0.2
12/18 02:10	13.9	↓-0.2
12/18 02:20	13.7	↓-0.2
12/18 02:30	13.5	↓-0.2
12/18 02:40	13.3	↓-0.2
12/18 02:50	13.1	↓-0.2
12/18 03:00	12.8	↓-0.3	最大潮位差
12/18 03:10	12.6	↓-0.2
12/18 03:20	12.4	↓-0.2
12/18 03:30	12.2	↓-0.2
12/18 03:40	12.0	↓-0.2
12/18 03:50	11.8	↓-0.2
12/18 04:00	11.6	↓-0.2
12/18 04:10	11.4	↓-0.2
12/18 04:20	11.2	↓-0.2
12/18 04:30	11.0	↓-0.2
12/18 04:40	10.8	↓-0.2
12/18 04:50	10.6	↓-0.2
12/18 05:00	10.4	↓-0.2
12/18 05:10	10.3	↓-0.1
12/18 05:20	10.1	↓-0.2
12/18 05:30	10.0	↓-0.1
12/18 05:40	9.9	↓-0.1
12/18 05:50	9.8	↓-0.1
12/18 06:00	9.8	0
12/18 06:10	9.7	↓-0.1
12/18 06:20	9.7	0	干潮
12/18 06:30	9.7	0
12/18 06:40	9.7	0
12/18 06:50	9.8	↑0.1
12/18 07:00	9.8	0
12/18 07:10	9.9	↑0.1
12/18 07:20	10.0	↑0.1
12/18 07:30	10.1	↑0.1
12/18 07:40	10.2	↑0.1
12/18 07:50	10.3	↑0.1
12/18 08:00	10.4	↑0.1
12/18 08:10	10.6	↑0.2
12/18 08:20	10.7	↑0.1
12/18 08:30	10.9	↑0.2
12/18 08:40	11.1	↑0.2
12/18 08:50	11.2	↑0.1
12/18 09:00	11.4	↑0.2
12/18 09:10	11.6	↑0.2
12/18 09:20	11.8	↑0.2
12/18 09:30	12.0	↑0.2
12/18 09:40	12.1	↑0.1
12/18 09:50	12.3	↑0.2
12/18 10:00	12.5	↑0.2
12/18 10:10	12.7	↑0.2
12/18 10:20	12.8	↑0.1
12/18 10:30	13.0	↑0.2
12/18 10:40	13.1	↑0.1
12/18 10:50	13.2	↑0.1
12/18 11:00	13.3	↑0.1
12/18 11:10	13.4	↑0.1
12/18 11:20	13.5	↑0.1
12/18 11:30	13.5	0	満潮
12/18 11:40	13.5	0	満潮
12/18 11:50	13.5	0
12/18 12:00	13.4	↓-0.1
12/18 12:10	13.4	0
12/18 12:20	13.3	↓-0.1
12/18 12:30	13.2	↓-0.1
12/18 12:40	13.1	↓-0.1
12/18 12:50	13.0	↓-0.1
12/18 13:00	12.8	↓-0.2
12/18 13:10	12.7	↓-0.1
12/18 13:20	12.5	↓-0.2
12/18 13:30	12.4	↓-0.1
12/18 13:40	12.2	↓-0.2
12/18 13:50	12.1	↓-0.1
12/18 14:00	11.9	↓-0.2
12/18 14:10	11.8	↓-0.1
12/18 14:20	11.6	↓-0.2
12/18 14:30	11.5	↓-0.1
12/18 14:40	11.3	↓-0.2
12/18 14:50	11.2	↓-0.1
12/18 15:00	11.1	↓-0.1
12/18 15:10	11.0	↓-0.1
12/18 15:20	10.9	↓-0.1
12/18 15:30	10.8	↓-0.1
12/18 15:40	10.7	↓-0.1
12/18 15:50	10.6	↓-0.1
12/18 16:00	10.5	↓-0.1
12/18 16:10	10.4	↓-0.1
12/18 16:20	10.4	0
12/18 16:30	10.3	↓-0.1
12/18 16:40	10.3	0
12/18 16:50	10.2	↓-0.1
12/18 17:00	10.2	0	干潮
12/18 17:10	10.2	0
12/18 17:20	10.2	0
12/18 17:30	10.2	0
12/18 17:40	10.3	↑0.1
12/18 17:50	10.3	0
12/18 18:00	10.4	↑0.1
12/18 18:10	10.5	↑0.1
12/18 18:20	10.7	↑0.2
12/18 18:30	10.8	↑0.1
12/18 18:40	11.0	↑0.2
12/18 18:50	11.2	↑0.2
12/18 19:00	11.4	↑0.2
12/18 19:10	11.6	↑0.2
12/18 19:20	11.8	↑0.2
12/18 19:30	12.0	↑0.2
12/18 19:40	12.2	↑0.2
12/18 19:50	12.5	↑0.3	最大潮位差
12/18 20:00	12.7	↑0.2
12/18 20:10	13.0	↑0.3	最大潮位差
12/18 20:20	13.2	↑0.2
12/18 20:30	13.5	↑0.3	最大潮位差
12/18 20:40	13.7	↑0.2
12/18 20:50	14.0	↑0.3	最大潮位差
12/18 21:00	14.2	↑0.2
12/18 21:10	14.4	↑0.2
12/18 21:20	14.7	↑0.3	最大潮位差
12/18 21:30	14.9	↑0.2
12/18 21:40	15.1	↑0.2
12/18 21:50	15.3	↑0.2
12/18 22:00	15.5	↑0.2
12/18 22:10	15.7	↑0.2
12/18 22:20	15.9	↑0.2
12/18 22:30	16.1	↑0.2
12/18 22:40	16.2	↑0.1
12/18 22:50	16.3	↑0.1
12/18 23:00	16.4	↑0.1
12/18 23:10	16.5	↑0.1
12/18 23:20	16.6	↑0.1
12/18 23:30	16.6	0	満潮
12/18 23:40	16.6	0
12/18 23:50	16.5	↓-0.1