31 (金)	05:03	09:54	15:09	22:31
	97cm	72cm	104cm	3cm
中潮 出 06:35 入 16:49 出 03:30 入 14:13

鳥島（東京）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	32.2	↑2.5
12/31 00:10	34.9	↑2.7
12/31 00:20	37.7	↑2.8
12/31 00:30	40.6	↑2.9
12/31 00:40	43.5	↑2.9
12/31 00:50	46.5	↑3.0
12/31 01:00	49.6	↑3.1
12/31 01:10	52.7	↑3.1
12/31 01:20	55.7	↑3.0
12/31 01:30	58.8	↑3.1
12/31 01:40	61.8	↑3.0
12/31 01:50	64.8	↑3.0
12/31 02:00	67.7	↑2.9
12/31 02:10	70.6	↑2.9
12/31 02:20	73.4	↑2.8
12/31 02:30	76.0	↑2.6
12/31 02:40	78.5	↑2.5
12/31 02:50	80.9	↑2.4
12/31 03:00	83.2	↑2.3
12/31 03:10	85.3	↑2.1
12/31 03:20	87.2	↑1.9
12/31 03:30	89.0	↑1.8
12/31 03:40	90.6	↑1.6
12/31 03:50	92.0	↑1.4
12/31 04:00	93.2	↑1.2
12/31 04:10	94.3	↑1.1
12/31 04:20	95.1	↑0.8
12/31 04:30	95.8	↑0.7
12/31 04:40	96.3	↑0.5
12/31 04:50	96.6	↑0.3
12/31 05:00	96.7	↑0.1	満潮
12/31 05:10	96.6	↓-0.1
12/31 05:20	96.4	↓-0.2
12/31 05:30	96.0	↓-0.4
12/31 05:40	95.5	↓-0.5
12/31 05:50	94.8	↓-0.7
12/31 06:00	94.1	↓-0.7
12/31 06:10	93.1	↓-1.0
12/31 06:20	92.1	↓-1.0
12/31 06:30	91.0	↓-1.1
12/31 06:40	89.8	↓-1.2
12/31 06:50	88.6	↓-1.2
12/31 07:00	87.3	↓-1.3
12/31 07:10	86.0	↓-1.3
12/31 07:20	84.7	↓-1.3
12/31 07:30	83.3	↓-1.4
12/31 07:40	82.0	↓-1.3
12/31 07:50	80.7	↓-1.3
12/31 08:00	79.4	↓-1.3
12/31 08:10	78.2	↓-1.2
12/31 08:20	77.0	↓-1.2
12/31 08:30	76.0	↓-1.0
12/31 08:40	75.0	↓-1.0
12/31 08:50	74.1	↓-0.9
12/31 09:00	73.3	↓-0.8
12/31 09:10	72.7	↓-0.6
12/31 09:20	72.1	↓-0.6
12/31 09:30	71.7	↓-0.4
12/31 09:40	71.5	↓-0.2
12/31 09:50	71.4	↓-0.1	干潮
12/31 10:00	71.4	0
12/31 10:10	71.6	↑0.2
12/31 10:20	71.9	↑0.3
12/31 10:30	72.3	↑0.4
12/31 10:40	72.9	↑0.6
12/31 10:50	73.6	↑0.7
12/31 11:00	74.5	↑0.9
12/31 11:10	75.5	↑1.0
12/31 11:20	76.6	↑1.1
12/31 11:30	77.8	↑1.2
12/31 11:40	79.1	↑1.3
12/31 11:50	80.5	↑1.4
12/31 12:00	81.9	↑1.4
12/31 12:10	83.4	↑1.5
12/31 12:20	85.0	↑1.6
12/31 12:30	86.6	↑1.6
12/31 12:40	88.2	↑1.6
12/31 12:50	89.8	↑1.6
12/31 13:00	91.4	↑1.6
12/31 13:10	93.0	↑1.6
12/31 13:20	94.5	↑1.5
12/31 13:30	96.0	↑1.5
12/31 13:40	97.3	↑1.3
12/31 13:50	98.6	↑1.3
12/31 14:00	99.8	↑1.2
12/31 14:10	100.9	↑1.1
12/31 14:20	101.8	↑0.9
12/31 14:30	102.5	↑0.7
12/31 14:40	103.2	↑0.7
12/31 14:50	103.6	↑0.4
12/31 15:00	103.8	↑0.2	満潮
12/31 15:10	103.9	↑0.1
12/31 15:20	103.8	↓-0.1
12/31 15:30	103.4	↓-0.4
12/31 15:40	102.8	↓-0.6
12/31 15:50	102.1	↓-0.7
12/31 16:00	101.1	↓-1.0
12/31 16:10	99.8	↓-1.3
12/31 16:20	98.4	↓-1.4
12/31 16:30	96.8	↓-1.6
12/31 16:40	94.9	↓-1.9
12/31 16:50	92.8	↓-2.1
12/31 17:00	90.6	↓-2.2
12/31 17:10	88.1	↓-2.5
12/31 17:20	85.5	↓-2.6
12/31 17:30	82.7	↓-2.8
12/31 17:40	79.7	↓-3.0
12/31 17:50	76.6	↓-3.1
12/31 18:00	73.3	↓-3.3
12/31 18:10	69.9	↓-3.4
12/31 18:20	66.5	↓-3.4
12/31 18:30	62.9	↓-3.6
12/31 18:40	59.3	↓-3.6
12/31 18:50	55.7	↓-3.6
12/31 19:00	52.0	↓-3.7	最大潮位差
12/31 19:10	48.3	↓-3.7	最大潮位差
12/31 19:20	44.7	↓-3.6
12/31 19:30	41.1	↓-3.6
12/31 19:40	37.5	↓-3.6
12/31 19:50	34.0	↓-3.5
12/31 20:00	30.6	↓-3.4
12/31 20:10	27.3	↓-3.3
12/31 20:20	24.2	↓-3.1
12/31 20:30	21.2	↓-3.0
12/31 20:40	18.4	↓-2.8
12/31 20:50	15.7	↓-2.7
12/31 21:00	13.3	↓-2.4
12/31 21:10	11.1	↓-2.2
12/31 21:20	9.1	↓-2.0
12/31 21:30	7.4	↓-1.7
12/31 21:40	5.9	↓-1.5
12/31 21:50	4.6	↓-1.3
12/31 22:00	3.7	↓-0.9
12/31 22:10	3.0	↓-0.7
12/31 22:20	2.6	↓-0.4
12/31 22:30	2.4	↓-0.2	干潮
12/31 22:40	2.6	↑0.2
12/31 22:50	3.0	↑0.4
12/31 23:00	3.7	↑0.7
12/31 23:10	4.7	↑1.0
12/31 23:20	5.9	↑1.2
12/31 23:30	7.5	↑1.6
12/31 23:40	9.2	↑1.7
12/31 23:50	11.2	↑2.0