20 (月)	01:56	09:10	15:23	21:32
	15cm	1cm	14cm	6cm
中潮 出 04:42 入 18:28 出 03:59 入 15:27 潮干狩り ◎ 05:43～12:05

香深/礼文島（北海道）2020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	11.9	↑0.3
4/20 00:10	12.2	↑0.3
4/20 00:20	12.5	↑0.3
4/20 00:30	12.8	↑0.3
4/20 00:40	13.0	↑0.2
4/20 00:50	13.3	↑0.3
4/20 01:00	13.5	↑0.2
4/20 01:10	13.7	↑0.2
4/20 01:20	13.8	↑0.1
4/20 01:30	13.9	↑0.1
4/20 01:40	14.0	↑0.1
4/20 01:50	14.0	0	満潮
4/20 02:00	14.0	0
4/20 02:10	14.0	0
4/20 02:20	13.9	↓-0.1
4/20 02:30	13.8	↓-0.1
4/20 02:40	13.6	↓-0.2
4/20 02:50	13.4	↓-0.2
4/20 03:00	13.2	↓-0.2
4/20 03:10	12.9	↓-0.3
4/20 03:20	12.6	↓-0.3
4/20 03:30	12.2	↓-0.4
4/20 03:40	11.9	↓-0.3
4/20 03:50	11.5	↓-0.4
4/20 04:00	11.0	↓-0.5
4/20 04:10	10.6	↓-0.4
4/20 04:20	10.1	↓-0.5
4/20 04:30	9.7	↓-0.4
4/20 04:40	9.2	↓-0.5
4/20 04:50	8.7	↓-0.5
4/20 05:00	8.2	↓-0.5
4/20 05:10	7.7	↓-0.5
4/20 05:20	7.2	↓-0.5
4/20 05:30	6.7	↓-0.5
4/20 05:40	6.3	↓-0.4
4/20 05:50	5.8	↓-0.5
4/20 06:00	5.3	↓-0.5
4/20 06:10	4.9	↓-0.4
4/20 06:20	4.5	↓-0.4
4/20 06:30	4.1	↓-0.4
4/20 06:40	3.7	↓-0.4
4/20 06:50	3.3	↓-0.4
4/20 07:00	2.9	↓-0.4
4/20 07:10	2.6	↓-0.3
4/20 07:20	2.3	↓-0.3
4/20 07:30	2.0	↓-0.3
4/20 07:40	1.7	↓-0.3
4/20 07:50	1.4	↓-0.3
4/20 08:00	1.2	↓-0.2
4/20 08:10	1.0	↓-0.2
4/20 08:20	0.8	↓-0.2
4/20 08:30	0.7	↓-0.1
4/20 08:40	0.6	↓-0.1
4/20 08:50	0.5	↓-0.1
4/20 09:00	0.4	↓-0.1	干潮
4/20 09:10	0.4	0	干潮
4/20 09:20	0.5	↑0.1
4/20 09:30	0.5	0
4/20 09:40	0.6	↑0.1
4/20 09:50	0.7	↑0.1
4/20 10:00	0.9	↑0.2
4/20 10:10	1.1	↑0.2
4/20 10:20	1.4	↑0.3
4/20 10:30	1.7	↑0.3
4/20 10:40	2.0	↑0.3
4/20 10:50	2.4	↑0.4
4/20 11:00	2.8	↑0.4
4/20 11:10	3.3	↑0.5
4/20 11:20	3.7	↑0.4
4/20 11:30	4.2	↑0.5
4/20 11:40	4.8	↑0.6	最大潮位差
4/20 11:50	5.3	↑0.5
4/20 12:00	5.9	↑0.6	最大潮位差
4/20 12:10	6.4	↑0.5
4/20 12:20	7.0	↑0.6	最大潮位差
4/20 12:30	7.6	↑0.6	最大潮位差
4/20 12:40	8.2	↑0.6	最大潮位差
4/20 12:50	8.8	↑0.6	最大潮位差
4/20 13:00	9.3	↑0.5
4/20 13:10	9.9	↑0.6	最大潮位差
4/20 13:20	10.4	↑0.5
4/20 13:30	10.9	↑0.5
4/20 13:40	11.4	↑0.5
4/20 13:50	11.8	↑0.4
4/20 14:00	12.2	↑0.4
4/20 14:10	12.6	↑0.4
4/20 14:20	12.9	↑0.3
4/20 14:30	13.1	↑0.2
4/20 14:40	13.4	↑0.3
4/20 14:50	13.5	↑0.1
4/20 15:00	13.7	↑0.2
4/20 15:10	13.7	0
4/20 15:20	13.8	↑0.1	満潮
4/20 15:30	13.7	↓-0.1
4/20 15:40	13.7	0
4/20 15:50	13.6	↓-0.1
4/20 16:00	13.5	↓-0.1
4/20 16:10	13.3	↓-0.2
4/20 16:20	13.1	↓-0.2
4/20 16:30	12.9	↓-0.2
4/20 16:40	12.6	↓-0.3
4/20 16:50	12.3	↓-0.3
4/20 17:00	12.0	↓-0.3
4/20 17:10	11.7	↓-0.3
4/20 17:20	11.4	↓-0.3
4/20 17:30	11.1	↓-0.3
4/20 17:40	10.8	↓-0.3
4/20 17:50	10.4	↓-0.4
4/20 18:00	10.1	↓-0.3
4/20 18:10	9.8	↓-0.3
4/20 18:20	9.4	↓-0.4
4/20 18:30	9.1	↓-0.3
4/20 18:40	8.8	↓-0.3
4/20 18:50	8.5	↓-0.3
4/20 19:00	8.2	↓-0.3
4/20 19:10	7.9	↓-0.3
4/20 19:20	7.6	↓-0.3
4/20 19:30	7.4	↓-0.2
4/20 19:40	7.1	↓-0.3
4/20 19:50	6.9	↓-0.2
4/20 20:00	6.7	↓-0.2
4/20 20:10	6.5	↓-0.2
4/20 20:20	6.3	↓-0.2
4/20 20:30	6.2	↓-0.1
4/20 20:40	6.0	↓-0.2
4/20 20:50	5.9	↓-0.1
4/20 21:00	5.8	↓-0.1
4/20 21:10	5.7	↓-0.1
4/20 21:20	5.7	0
4/20 21:30	5.7	0	干潮
4/20 21:40	5.7	0
4/20 21:50	5.7	0
4/20 22:00	5.8	↑0.1
4/20 22:10	5.9	↑0.1
4/20 22:20	6.0	↑0.1
4/20 22:30	6.2	↑0.2
4/20 22:40	6.4	↑0.2
4/20 22:50	6.7	↑0.3
4/20 23:00	6.9	↑0.2
4/20 23:10	7.2	↑0.3
4/20 23:20	7.6	↑0.4
4/20 23:30	7.9	↑0.3
4/20 23:40	8.3	↑0.4
4/20 23:50	8.7	↑0.4