31 (木)	03:36	11:47	19:57	20:58
	34cm	6cm	30cm	30cm
大潮 出 07:14 入 16:04 出 16:56 入 08:09 潮干狩り ○ 11:00～12:32

香深/礼文島（北海道）2020年12月31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
12/31 00:00	30.9	0
12/31 00:10	31.0	↑0.1
12/31 00:20	31.1	↑0.1
12/31 00:30	31.2	↑0.1
12/31 00:40	31.3	↑0.1
12/31 00:50	31.4	↑0.1
12/31 01:00	31.5	↑0.1
12/31 01:10	31.6	↑0.1
12/31 01:20	31.8	↑0.2
12/31 01:30	31.9	↑0.1
12/31 01:40	32.1	↑0.2
12/31 01:50	32.3	↑0.2
12/31 02:00	32.4	↑0.1
12/31 02:10	32.6	↑0.2
12/31 02:20	32.8	↑0.2
12/31 02:30	32.9	↑0.1
12/31 02:40	33.1	↑0.2
12/31 02:50	33.2	↑0.1
12/31 03:00	33.3	↑0.1
12/31 03:10	33.4	↑0.1
12/31 03:20	33.5	↑0.1
12/31 03:30	33.5	0	満潮
12/31 03:40	33.5	0
12/31 03:50	33.5	0
12/31 04:00	33.4	↓-0.1
12/31 04:10	33.3	↓-0.1
12/31 04:20	33.1	↓-0.2
12/31 04:30	32.8	↓-0.3
12/31 04:40	32.5	↓-0.3
12/31 04:50	32.1	↓-0.4
12/31 05:00	31.7	↓-0.4
12/31 05:10	31.2	↓-0.5
12/31 05:20	30.7	↓-0.5
12/31 05:30	30.1	↓-0.6
12/31 05:40	29.4	↓-0.7
12/31 05:50	28.7	↓-0.7
12/31 06:00	28.0	↓-0.7
12/31 06:10	27.1	↓-0.9
12/31 06:20	26.3	↓-0.8
12/31 06:30	25.4	↓-0.9
12/31 06:40	24.5	↓-0.9
12/31 06:50	23.6	↓-0.9
12/31 07:00	22.6	↓-1.0	最大潮位差
12/31 07:10	21.6	↓-1.0	最大潮位差
12/31 07:20	20.7	↓-0.9
12/31 07:30	19.7	↓-1.0	最大潮位差
12/31 07:40	18.7	↓-1.0	最大潮位差
12/31 07:50	17.8	↓-0.9
12/31 08:00	16.8	↓-1.0	最大潮位差
12/31 08:10	15.9	↓-0.9
12/31 08:20	15.0	↓-0.9
12/31 08:30	14.2	↓-0.8
12/31 08:40	13.3	↓-0.9
12/31 08:50	12.6	↓-0.7
12/31 09:00	11.8	↓-0.8
12/31 09:10	11.1	↓-0.7
12/31 09:20	10.4	↓-0.7
12/31 09:30	9.8	↓-0.6
12/31 09:40	9.2	↓-0.6
12/31 09:50	8.7	↓-0.5
12/31 10:00	8.2	↓-0.5
12/31 10:10	7.7	↓-0.5
12/31 10:20	7.3	↓-0.4
12/31 10:30	7.0	↓-0.3
12/31 10:40	6.6	↓-0.4
12/31 10:50	6.4	↓-0.2
12/31 11:00	6.1	↓-0.3
12/31 11:10	5.9	↓-0.2
12/31 11:20	5.8	↓-0.1
12/31 11:30	5.7	↓-0.1
12/31 11:40	5.6	↓-0.1	干潮
12/31 11:50	5.6	0
12/31 12:00	5.7	↑0.1
12/31 12:10	5.8	↑0.1
12/31 12:20	5.9	↑0.1
12/31 12:30	6.1	↑0.2
12/31 12:40	6.3	↑0.2
12/31 12:50	6.6	↑0.3
12/31 13:00	7.0	↑0.4
12/31 13:10	7.4	↑0.4
12/31 13:20	7.8	↑0.4
12/31 13:30	8.3	↑0.5
12/31 13:40	8.9	↑0.6
12/31 13:50	9.5	↑0.6
12/31 14:00	10.1	↑0.6
12/31 14:10	10.8	↑0.7
12/31 14:20	11.5	↑0.7
12/31 14:30	12.3	↑0.8
12/31 14:40	13.1	↑0.8
12/31 14:50	14.0	↑0.9
12/31 15:00	14.8	↑0.8
12/31 15:10	15.7	↑0.9
12/31 15:20	16.6	↑0.9
12/31 15:30	17.5	↑0.9
12/31 15:40	18.4	↑0.9
12/31 15:50	19.3	↑0.9
12/31 16:00	20.2	↑0.9
12/31 16:10	21.1	↑0.9
12/31 16:20	21.9	↑0.8
12/31 16:30	22.8	↑0.9
12/31 16:40	23.5	↑0.7
12/31 16:50	24.3	↑0.8
12/31 17:00	25.0	↑0.7
12/31 17:10	25.7	↑0.7
12/31 17:20	26.3	↑0.6
12/31 17:30	26.8	↑0.5
12/31 17:40	27.3	↑0.5
12/31 17:50	27.8	↑0.5
12/31 18:00	28.2	↑0.4
12/31 18:10	28.6	↑0.4
12/31 18:20	28.9	↑0.3
12/31 18:30	29.1	↑0.2
12/31 18:40	29.3	↑0.2
12/31 18:50	29.5	↑0.2
12/31 19:00	29.6	↑0.1
12/31 19:10	29.7	↑0.1
12/31 19:20	29.8	↑0.1
12/31 19:30	29.9	↑0.1
12/31 19:40	29.9	0
12/31 19:50	29.9	0	満潮
12/31 20:00	29.9	0
12/31 20:10	29.9	0
12/31 20:20	29.9	0
12/31 20:30	29.9	0
12/31 20:40	29.9	0
12/31 20:50	29.9	0	干潮
12/31 21:00	29.9	0
12/31 21:10	29.9	0
12/31 21:20	29.9	0
12/31 21:30	29.9	0
12/31 21:40	29.9	0
12/31 21:50	30.0	↑0.1
12/31 22:00	30.0	0
12/31 22:10	30.1	↑0.1
12/31 22:20	30.1	0
12/31 22:30	30.2	↑0.1
12/31 22:40	30.3	↑0.1
12/31 22:50	30.3	0
12/31 23:00	30.4	↑0.1
12/31 23:10	30.5	↑0.1
12/31 23:20	30.6	↑0.1
12/31 23:30	30.6	0
12/31 23:40	30.7	↑0.1
12/31 23:50	30.8	↑0.1