31 (金)	00:40	08:53	17:14	18:27
	31cm	11cm	29cm	29cm
中潮 出 07:14 入 16:03 出 04:04 入 13:28

香深/礼文島（北海道）2021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	30.1	↑0.1
12/31 00:10	30.2	↑0.1
12/31 00:20	30.3	↑0.1
12/31 00:30	30.3	0	満潮
12/31 00:40	30.3	0	満潮
12/31 00:50	30.3	0
12/31 01:00	30.3	0
12/31 01:10	30.2	↓-0.1
12/31 01:20	30.0	↓-0.2
12/31 01:30	29.9	↓-0.1
12/31 01:40	29.7	↓-0.2
12/31 01:50	29.4	↓-0.3
12/31 02:00	29.1	↓-0.3
12/31 02:10	28.8	↓-0.3
12/31 02:20	28.4	↓-0.4
12/31 02:30	28.0	↓-0.4
12/31 02:40	27.5	↓-0.5
12/31 02:50	27.0	↓-0.5
12/31 03:00	26.5	↓-0.5
12/31 03:10	25.9	↓-0.6
12/31 03:20	25.4	↓-0.5
12/31 03:30	24.8	↓-0.6
12/31 03:40	24.1	↓-0.7	最大潮位差
12/31 03:50	23.5	↓-0.6
12/31 04:00	22.9	↓-0.6
12/31 04:10	22.2	↓-0.7	最大潮位差
12/31 04:20	21.5	↓-0.7	最大潮位差
12/31 04:30	20.9	↓-0.6
12/31 04:40	20.2	↓-0.7	最大潮位差
12/31 04:50	19.6	↓-0.6
12/31 05:00	18.9	↓-0.7	最大潮位差
12/31 05:10	18.3	↓-0.6
12/31 05:20	17.7	↓-0.6
12/31 05:30	17.1	↓-0.6
12/31 05:40	16.5	↓-0.6
12/31 05:50	15.9	↓-0.6
12/31 06:00	15.4	↓-0.5
12/31 06:10	14.9	↓-0.5
12/31 06:20	14.4	↓-0.5
12/31 06:30	13.9	↓-0.5
12/31 06:40	13.5	↓-0.4
12/31 06:50	13.1	↓-0.4
12/31 07:00	12.7	↓-0.4
12/31 07:10	12.3	↓-0.4
12/31 07:20	12.0	↓-0.3
12/31 07:30	11.7	↓-0.3
12/31 07:40	11.5	↓-0.2
12/31 07:50	11.2	↓-0.3
12/31 08:00	11.0	↓-0.2
12/31 08:10	10.9	↓-0.1
12/31 08:20	10.7	↓-0.2
12/31 08:30	10.6	↓-0.1
12/31 08:40	10.6	0
12/31 08:50	10.5	↓-0.1	干潮
12/31 09:00	10.6	↑0.1
12/31 09:10	10.6	0
12/31 09:20	10.7	↑0.1
12/31 09:30	10.8	↑0.1
12/31 09:40	11.0	↑0.2
12/31 09:50	11.2	↑0.2
12/31 10:00	11.5	↑0.3
12/31 10:10	11.8	↑0.3
12/31 10:20	12.1	↑0.3
12/31 10:30	12.5	↑0.4
12/31 10:40	12.9	↑0.4
12/31 10:50	13.3	↑0.4
12/31 11:00	13.8	↑0.5
12/31 11:10	14.3	↑0.5
12/31 11:20	14.9	↑0.6
12/31 11:30	15.5	↑0.6
12/31 11:40	16.1	↑0.6
12/31 11:50	16.7	↑0.6
12/31 12:00	17.3	↑0.6
12/31 12:10	18.0	↑0.7	最大潮位差
12/31 12:20	18.6	↑0.6
12/31 12:30	19.3	↑0.7	最大潮位差
12/31 12:40	20.0	↑0.7	最大潮位差
12/31 12:50	20.6	↑0.6
12/31 13:00	21.3	↑0.7	最大潮位差
12/31 13:10	21.9	↑0.6
12/31 13:20	22.5	↑0.6
12/31 13:30	23.1	↑0.6
12/31 13:40	23.7	↑0.6
12/31 13:50	24.2	↑0.5
12/31 14:00	24.7	↑0.5
12/31 14:10	25.2	↑0.5
12/31 14:20	25.7	↑0.5
12/31 14:30	26.1	↑0.4
12/31 14:40	26.4	↑0.3
12/31 14:50	26.8	↑0.4
12/31 15:00	27.1	↑0.3
12/31 15:10	27.4	↑0.3
12/31 15:20	27.6	↑0.2
12/31 15:30	27.8	↑0.2
12/31 15:40	27.9	↑0.1
12/31 15:50	28.1	↑0.2
12/31 16:00	28.2	↑0.1
12/31 16:10	28.3	↑0.1
12/31 16:20	28.4	↑0.1
12/31 16:30	28.4	0
12/31 16:40	28.4	0
12/31 16:50	28.5	↑0.1
12/31 17:00	28.5	0
12/31 17:10	28.5	0	満潮
12/31 17:20	28.5	0
12/31 17:30	28.5	0
12/31 17:40	28.5	0
12/31 17:50	28.5	0
12/31 18:00	28.5	0
12/31 18:10	28.5	0
12/31 18:20	28.5	0	干潮
12/31 18:30	28.5	0
12/31 18:40	28.5	0
12/31 18:50	28.5	0
12/31 19:00	28.5	0
12/31 19:10	28.5	0
12/31 19:20	28.5	0
12/31 19:30	28.5	0
12/31 19:40	28.5	0
12/31 19:50	28.6	↑0.1
12/31 20:00	28.6	0
12/31 20:10	28.6	0
12/31 20:20	28.6	0
12/31 20:30	28.7	↑0.1
12/31 20:40	28.7	0
12/31 20:50	28.7	0
12/31 21:00	28.8	↑0.1
12/31 21:10	28.8	0
12/31 21:20	28.9	↑0.1
12/31 21:30	28.9	0
12/31 21:40	29.0	↑0.1
12/31 21:50	29.1	↑0.1
12/31 22:00	29.2	↑0.1
12/31 22:10	29.3	↑0.1
12/31 22:20	29.4	↑0.1
12/31 22:30	29.5	↑0.1
12/31 22:40	29.6	↑0.1
12/31 22:50	29.7	↑0.1
12/31 23:00	29.9	↑0.2
12/31 23:10	30.0	↑0.1
12/31 23:20	30.2	↑0.2
12/31 23:30	30.3	↑0.1
12/31 23:40	30.5	↑0.2
12/31 23:50	30.6	↑0.1