1 (土)	09:35	01:17	17:21	11:22
	13cm	-7cm	17cm	13cm
小潮 出 05:16 入 18:02 出 08:16 入 -

留萌（北海道）2028年04月1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
4/1 00:00	-6.2	↓-0.4
4/1 00:10	-6.6	↓-0.4
4/1 00:20	-6.9	↓-0.3
4/1 00:30	-7.2	↓-0.3
4/1 00:40	-7.4	↓-0.2
4/1 00:50	-7.6	↓-0.2
4/1 01:00	-7.7	↓-0.1
4/1 01:10	-7.8	↓-0.1	干潮
4/1 01:20	-7.8	0
4/1 01:30	-7.7	↑0.1
4/1 01:40	-7.6	↑0.1
4/1 01:50	-7.5	↑0.1
4/1 02:00	-7.3	↑0.2
4/1 02:10	-7.1	↑0.2
4/1 02:20	-6.8	↑0.3
4/1 02:30	-6.5	↑0.3
4/1 02:40	-6.1	↑0.4
4/1 02:50	-5.8	↑0.3
4/1 03:00	-5.3	↑0.5
4/1 03:10	-4.9	↑0.4
4/1 03:20	-4.4	↑0.5
4/1 03:30	-3.9	↑0.5
4/1 03:40	-3.3	↑0.6
4/1 03:50	-2.7	↑0.6
4/1 04:00	-2.1	↑0.6
4/1 04:10	-1.5	↑0.6
4/1 04:20	-0.8	↑0.7
4/1 04:30	-0.2	↑0.6
4/1 04:40	0.5	↑0.7
4/1 04:50	1.2	↑0.7
4/1 05:00	1.9	↑0.7
4/1 05:10	2.6	↑0.7
4/1 05:20	3.3	↑0.7
4/1 05:30	4.0	↑0.7
4/1 05:40	4.7	↑0.7
4/1 05:50	5.4	↑0.7
4/1 06:00	6.0	↑0.6
4/1 06:10	6.7	↑0.7
4/1 06:20	7.3	↑0.6
4/1 06:30	7.9	↑0.6
4/1 06:40	8.4	↑0.5
4/1 06:50	9.0	↑0.6
4/1 07:00	9.4	↑0.4
4/1 07:10	9.9	↑0.5
4/1 07:20	10.3	↑0.4
4/1 07:30	10.7	↑0.4
4/1 07:40	11.0	↑0.3
4/1 07:50	11.3	↑0.3
4/1 08:00	11.6	↑0.3
4/1 08:10	11.9	↑0.3
4/1 08:20	12.1	↑0.2
4/1 08:30	12.2	↑0.1
4/1 08:40	12.4	↑0.2
4/1 08:50	12.5	↑0.1
4/1 09:00	12.6	↑0.1
4/1 09:10	12.6	0
4/1 09:20	12.7	↑0.1
4/1 09:30	12.7	0	満潮
4/1 09:40	12.7	0
4/1 09:50	12.7	0
4/1 10:00	12.6	↓-0.1
4/1 10:10	12.6	0
4/1 10:20	12.6	0
4/1 10:30	12.5	↓-0.1
4/1 10:40	12.5	0
4/1 10:50	12.4	↓-0.1
4/1 11:00	12.4	0
4/1 11:10	12.4	0
4/1 11:20	12.4	0	干潮
4/1 11:30	12.4	0
4/1 11:40	12.4	0
4/1 11:50	12.4	0
4/1 12:00	12.5	↑0.1
4/1 12:10	12.6	↑0.1
4/1 12:20	12.7	↑0.1
4/1 12:30	12.8	↑0.1
4/1 12:40	12.9	↑0.1
4/1 12:50	13.0	↑0.1
4/1 13:00	13.2	↑0.2
4/1 13:10	13.4	↑0.2
4/1 13:20	13.5	↑0.1
4/1 13:30	13.7	↑0.2
4/1 13:40	13.9	↑0.2
4/1 13:50	14.1	↑0.2
4/1 14:00	14.3	↑0.2
4/1 14:10	14.5	↑0.2
4/1 14:20	14.7	↑0.2
4/1 14:30	14.9	↑0.2
4/1 14:40	15.1	↑0.2
4/1 14:50	15.3	↑0.2
4/1 15:00	15.5	↑0.2
4/1 15:10	15.6	↑0.1
4/1 15:20	15.8	↑0.2
4/1 15:30	15.9	↑0.1
4/1 15:40	16.1	↑0.2
4/1 15:50	16.2	↑0.1
4/1 16:00	16.3	↑0.1
4/1 16:10	16.4	↑0.1
4/1 16:20	16.5	↑0.1
4/1 16:30	16.6	↑0.1
4/1 16:40	16.7	↑0.1
4/1 16:50	16.8	↑0.1
4/1 17:00	16.8	0
4/1 17:10	16.8	0
4/1 17:20	16.8	0	満潮
4/1 17:30	16.8	0
4/1 17:40	16.8	0
4/1 17:50	16.7	↓-0.1
4/1 18:00	16.7	0
4/1 18:10	16.6	↓-0.1
4/1 18:20	16.4	↓-0.2
4/1 18:30	16.3	↓-0.1
4/1 18:40	16.1	↓-0.2
4/1 18:50	15.8	↓-0.3
4/1 19:00	15.6	↓-0.2
4/1 19:10	15.3	↓-0.3
4/1 19:20	14.9	↓-0.4
4/1 19:30	14.6	↓-0.3
4/1 19:40	14.2	↓-0.4
4/1 19:50	13.8	↓-0.4
4/1 20:00	13.3	↓-0.5
4/1 20:10	12.8	↓-0.5
4/1 20:20	12.3	↓-0.5
4/1 20:30	11.7	↓-0.6
4/1 20:40	11.1	↓-0.6
4/1 20:50	10.5	↓-0.6
4/1 21:00	9.9	↓-0.6
4/1 21:10	9.2	↓-0.7
4/1 21:20	8.6	↓-0.6
4/1 21:30	7.9	↓-0.7
4/1 21:40	7.1	↓-0.8	最大潮位差
4/1 21:50	6.4	↓-0.7
4/1 22:00	5.7	↓-0.7
4/1 22:10	4.9	↓-0.8	最大潮位差
4/1 22:20	4.2	↓-0.7
4/1 22:30	3.4	↓-0.8	最大潮位差
4/1 22:40	2.7	↓-0.7
4/1 22:50	1.9	↓-0.8	最大潮位差
4/1 23:00	1.2	↓-0.7
4/1 23:10	0.5	↓-0.7
4/1 23:20	-0.2	↓-0.7
4/1 23:30	-0.8	↓-0.6
4/1 23:40	-1.5	↓-0.7
4/1 23:50	-2.1	↓-0.6