21 (日)	20:19	05:45	-	-
	27cm	10cm	-	-
長潮 出 06:28 入 17:12 出 10:56 入 01:49

香深/礼文島（北海道）2021年02月21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
2/21 00:00	20.3	↓-0.5
2/21 00:10	19.8	↓-0.5
2/21 00:20	19.3	↓-0.5
2/21 00:30	18.7	↓-0.6	最大潮位差
2/21 00:40	18.2	↓-0.5
2/21 00:50	17.7	↓-0.5
2/21 01:00	17.2	↓-0.5
2/21 01:10	16.7	↓-0.5
2/21 01:20	16.2	↓-0.5
2/21 01:30	15.7	↓-0.5
2/21 01:40	15.2	↓-0.5
2/21 01:50	14.8	↓-0.4
2/21 02:00	14.3	↓-0.5
2/21 02:10	13.9	↓-0.4
2/21 02:20	13.5	↓-0.4
2/21 02:30	13.1	↓-0.4
2/21 02:40	12.8	↓-0.3
2/21 02:50	12.5	↓-0.3
2/21 03:00	12.2	↓-0.3
2/21 03:10	11.9	↓-0.3
2/21 03:20	11.6	↓-0.3
2/21 03:30	11.4	↓-0.2
2/21 03:40	11.2	↓-0.2
2/21 03:50	11.0	↓-0.2
2/21 04:00	10.8	↓-0.2
2/21 04:10	10.6	↓-0.2
2/21 04:20	10.5	↓-0.1
2/21 04:30	10.4	↓-0.1
2/21 04:40	10.3	↓-0.1
2/21 04:50	10.2	↓-0.1
2/21 05:00	10.1	↓-0.1
2/21 05:10	10.0	↓-0.1
2/21 05:20	10.0	0
2/21 05:30	9.9	↓-0.1
2/21 05:40	9.9	0	干潮
2/21 05:50	9.9	0
2/21 06:00	10.0	↑0.1
2/21 06:10	10.0	0
2/21 06:20	10.0	0
2/21 06:30	10.1	↑0.1
2/21 06:40	10.2	↑0.1
2/21 06:50	10.3	↑0.1
2/21 07:00	10.4	↑0.1
2/21 07:10	10.6	↑0.2
2/21 07:20	10.8	↑0.2
2/21 07:30	10.9	↑0.1
2/21 07:40	11.1	↑0.2
2/21 07:50	11.4	↑0.3
2/21 08:00	11.6	↑0.2
2/21 08:10	11.9	↑0.3
2/21 08:20	12.2	↑0.3
2/21 08:30	12.5	↑0.3
2/21 08:40	12.8	↑0.3
2/21 08:50	13.1	↑0.3
2/21 09:00	13.5	↑0.4
2/21 09:10	13.8	↑0.3
2/21 09:20	14.2	↑0.4
2/21 09:30	14.5	↑0.3
2/21 09:40	14.9	↑0.4
2/21 09:50	15.2	↑0.3
2/21 10:00	15.6	↑0.4
2/21 10:10	16.0	↑0.4
2/21 10:20	16.3	↑0.3
2/21 10:30	16.6	↑0.3
2/21 10:40	17.0	↑0.4
2/21 10:50	17.3	↑0.3
2/21 11:00	17.6	↑0.3
2/21 11:10	17.9	↑0.3
2/21 11:20	18.2	↑0.3
2/21 11:30	18.4	↑0.2
2/21 11:40	18.7	↑0.3
2/21 11:50	18.9	↑0.2
2/21 12:00	19.2	↑0.3
2/21 12:10	19.4	↑0.2
2/21 12:20	19.6	↑0.2
2/21 12:30	19.8	↑0.2
2/21 12:40	19.9	↑0.1
2/21 12:50	20.1	↑0.2
2/21 13:00	20.3	↑0.2
2/21 13:10	20.5	↑0.2
2/21 13:20	20.6	↑0.1
2/21 13:30	20.8	↑0.2
2/21 13:40	20.9	↑0.1
2/21 13:50	21.1	↑0.2
2/21 14:00	21.3	↑0.2
2/21 14:10	21.4	↑0.1
2/21 14:20	21.6	↑0.2
2/21 14:30	21.8	↑0.2
2/21 14:40	22.0	↑0.2
2/21 14:50	22.2	↑0.2
2/21 15:00	22.4	↑0.2
2/21 15:10	22.6	↑0.2
2/21 15:20	22.8	↑0.2
2/21 15:30	23.0	↑0.2
2/21 15:40	23.2	↑0.2
2/21 15:50	23.4	↑0.2
2/21 16:00	23.6	↑0.2
2/21 16:10	23.8	↑0.2
2/21 16:20	24.0	↑0.2
2/21 16:30	24.2	↑0.2
2/21 16:40	24.4	↑0.2
2/21 16:50	24.6	↑0.2
2/21 17:00	24.8	↑0.2
2/21 17:10	24.9	↑0.1
2/21 17:20	25.1	↑0.2
2/21 17:30	25.3	↑0.2
2/21 17:40	25.4	↑0.1
2/21 17:50	25.5	↑0.1
2/21 18:00	25.6	↑0.1
2/21 18:10	25.7	↑0.1
2/21 18:20	25.8	↑0.1
2/21 18:30	25.9	↑0.1
2/21 18:40	26.0	↑0.1
2/21 18:50	26.1	↑0.1
2/21 19:00	26.1	0
2/21 19:10	26.2	↑0.1
2/21 19:20	26.2	0
2/21 19:30	26.2	0
2/21 19:40	26.3	↑0.1
2/21 19:50	26.3	0
2/21 20:00	26.3	0
2/21 20:10	26.3	0	満潮
2/21 20:20	26.3	0
2/21 20:30	26.3	0
2/21 20:40	26.3	0
2/21 20:50	26.3	0
2/21 21:00	26.2	↓-0.1
2/21 21:10	26.2	0
2/21 21:20	26.2	0
2/21 21:30	26.1	↓-0.1
2/21 21:40	26.1	0
2/21 21:50	26.0	↓-0.1
2/21 22:00	25.9	↓-0.1
2/21 22:10	25.8	↓-0.1
2/21 22:20	25.6	↓-0.2
2/21 22:30	25.5	↓-0.1
2/21 22:40	25.3	↓-0.2
2/21 22:50	25.1	↓-0.2
2/21 23:00	24.9	↓-0.2
2/21 23:10	24.7	↓-0.2
2/21 23:20	24.4	↓-0.3
2/21 23:30	24.1	↓-0.3
2/21 23:40	23.8	↓-0.3
2/21 23:50	23.5	↓-0.3