20 (土)	00:17	08:37	14:57	21:19
	11cm	2cm	11cm	6cm
中潮 出 04:41 入 18:27 出 14:40 入 03:21 潮干狩り ◎ 04:41～11:32

抜海（北海道）2024年04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
4/20 00:00	10.0	↑0.1
4/20 00:10	10.0	0	満潮
4/20 00:20	10.0	0
4/20 00:30	10.0	0
4/20 00:40	9.9	↓-0.1
4/20 00:50	9.9	0
4/20 01:00	9.8	↓-0.1
4/20 01:10	9.7	↓-0.1
4/20 01:20	9.6	↓-0.1
4/20 01:30	9.4	↓-0.2
4/20 01:40	9.3	↓-0.1
4/20 01:50	9.1	↓-0.2
4/20 02:00	8.9	↓-0.2
4/20 02:10	8.8	↓-0.1
4/20 02:20	8.6	↓-0.2
4/20 02:30	8.4	↓-0.2
4/20 02:40	8.2	↓-0.2
4/20 02:50	7.9	↓-0.3
4/20 03:00	7.7	↓-0.2
4/20 03:10	7.5	↓-0.2
4/20 03:20	7.3	↓-0.2
4/20 03:30	7.1	↓-0.2
4/20 03:40	6.9	↓-0.2
4/20 03:50	6.7	↓-0.2
4/20 04:00	6.5	↓-0.2
4/20 04:10	6.3	↓-0.2
4/20 04:20	6.1	↓-0.2
4/20 04:30	5.9	↓-0.2
4/20 04:40	5.7	↓-0.2
4/20 04:50	5.5	↓-0.2
4/20 05:00	5.3	↓-0.2
4/20 05:10	5.1	↓-0.2
4/20 05:20	4.9	↓-0.2
4/20 05:30	4.7	↓-0.2
4/20 05:40	4.4	↓-0.3
4/20 05:50	4.2	↓-0.2
4/20 06:00	4.0	↓-0.2
4/20 06:10	3.8	↓-0.2
4/20 06:20	3.5	↓-0.3
4/20 06:30	3.3	↓-0.2
4/20 06:40	3.1	↓-0.2
4/20 06:50	2.9	↓-0.2
4/20 07:00	2.6	↓-0.3
4/20 07:10	2.4	↓-0.2
4/20 07:20	2.2	↓-0.2
4/20 07:30	2.0	↓-0.2
4/20 07:40	1.9	↓-0.1
4/20 07:50	1.7	↓-0.2
4/20 08:00	1.6	↓-0.1
4/20 08:10	1.5	↓-0.1
4/20 08:20	1.4	↓-0.1
4/20 08:30	1.4	0	干潮
4/20 08:40	1.4	0
4/20 08:50	1.4	0
4/20 09:00	1.5	↑0.1
4/20 09:10	1.6	↑0.1
4/20 09:20	1.7	↑0.1
4/20 09:30	1.9	↑0.2
4/20 09:40	2.1	↑0.2
4/20 09:50	2.4	↑0.3
4/20 10:00	2.7	↑0.3
4/20 10:10	3.0	↑0.3
4/20 10:20	3.3	↑0.3
4/20 10:30	3.7	↑0.4
4/20 10:40	4.0	↑0.3
4/20 10:50	4.4	↑0.4
4/20 11:00	4.8	↑0.4
4/20 11:10	5.2	↑0.4
4/20 11:20	5.7	↑0.5	最大潮位差
4/20 11:30	6.1	↑0.4
4/20 11:40	6.5	↑0.4
4/20 11:50	6.9	↑0.4
4/20 12:00	7.3	↑0.4
4/20 12:10	7.6	↑0.3
4/20 12:20	8.0	↑0.4
4/20 12:30	8.3	↑0.3
4/20 12:40	8.6	↑0.3
4/20 12:50	8.9	↑0.3
4/20 13:00	9.2	↑0.3
4/20 13:10	9.4	↑0.2
4/20 13:20	9.6	↑0.2
4/20 13:30	9.8	↑0.2
4/20 13:40	9.9	↑0.1
4/20 13:50	10.1	↑0.2
4/20 14:00	10.2	↑0.1
4/20 14:10	10.3	↑0.1
4/20 14:20	10.3	0
4/20 14:30	10.4	↑0.1
4/20 14:40	10.4	0
4/20 14:50	10.4	0	満潮
4/20 15:00	10.4	0
4/20 15:10	10.4	0
4/20 15:20	10.4	0
4/20 15:30	10.3	↓-0.1
4/20 15:40	10.3	0
4/20 15:50	10.3	0
4/20 16:00	10.2	↓-0.1
4/20 16:10	10.2	0
4/20 16:20	10.1	↓-0.1
4/20 16:30	10.0	↓-0.1
4/20 16:40	9.9	↓-0.1
4/20 16:50	9.9	0
4/20 17:00	9.8	↓-0.1
4/20 17:10	9.7	↓-0.1
4/20 17:20	9.5	↓-0.2
4/20 17:30	9.4	↓-0.1
4/20 17:40	9.3	↓-0.1
4/20 17:50	9.1	↓-0.2
4/20 18:00	9.0	↓-0.1
4/20 18:10	8.8	↓-0.2
4/20 18:20	8.6	↓-0.2
4/20 18:30	8.4	↓-0.2
4/20 18:40	8.2	↓-0.2
4/20 18:50	8.0	↓-0.2
4/20 19:00	7.8	↓-0.2
4/20 19:10	7.6	↓-0.2
4/20 19:20	7.3	↓-0.3
4/20 19:30	7.1	↓-0.2
4/20 19:40	6.9	↓-0.2
4/20 19:50	6.7	↓-0.2
4/20 20:00	6.5	↓-0.2
4/20 20:10	6.3	↓-0.2
4/20 20:20	6.1	↓-0.2
4/20 20:30	6.0	↓-0.1
4/20 20:40	5.9	↓-0.1
4/20 20:50	5.8	↓-0.1
4/20 21:00	5.7	↓-0.1
4/20 21:10	5.7	0	干潮
4/20 21:20	5.6	↓-0.1
4/20 21:30	5.7	↑0.1
4/20 21:40	5.7	0
4/20 21:50	5.8	↑0.1
4/20 22:00	5.9	↑0.1
4/20 22:10	6.1	↑0.2
4/20 22:20	6.3	↑0.2
4/20 22:30	6.5	↑0.2
4/20 22:40	6.7	↑0.2
4/20 22:50	6.9	↑0.2
4/20 23:00	7.2	↑0.3
4/20 23:10	7.5	↑0.3
4/20 23:20	7.7	↑0.2
4/20 23:30	8.0	↑0.3
4/20 23:40	8.3	↑0.3
4/20 23:50	8.6	↑0.3