20 (木)	05:40	11:02	16:40	23:26
	103cm	55cm	111cm	7cm
大潮 出 06:15 入 17:31 出 04:47 入 16:04

鳥島（東京）2031年02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
2/20 00:00	15.5	↑1.8
2/20 00:10	17.5	↑2.0
2/20 00:20	19.8	↑2.3
2/20 00:30	22.3	↑2.5
2/20 00:40	24.9	↑2.6
2/20 00:50	27.8	↑2.9
2/20 01:00	30.9	↑3.1
2/20 01:10	34.0	↑3.1
2/20 01:20	37.4	↑3.4
2/20 01:30	40.8	↑3.4
2/20 01:40	44.3	↑3.5
2/20 01:50	47.9	↑3.6
2/20 02:00	51.5	↑3.6
2/20 02:10	55.2	↑3.7
2/20 02:20	58.8	↑3.6
2/20 02:30	62.4	↑3.6
2/20 02:40	66.0	↑3.6
2/20 02:50	69.5	↑3.5
2/20 03:00	72.9	↑3.4
2/20 03:10	76.2	↑3.3
2/20 03:20	79.4	↑3.2
2/20 03:30	82.5	↑3.1
2/20 03:40	85.3	↑2.8
2/20 03:50	88.0	↑2.7
2/20 04:00	90.5	↑2.5
2/20 04:10	92.8	↑2.3
2/20 04:20	94.9	↑2.1
2/20 04:30	96.7	↑1.8
2/20 04:40	98.3	↑1.6
2/20 04:50	99.6	↑1.3
2/20 05:00	100.7	↑1.1
2/20 05:10	101.6	↑0.9
2/20 05:20	102.2	↑0.6
2/20 05:30	102.5	↑0.3	満潮
2/20 05:40	102.6	↑0.1	満潮
2/20 05:50	102.4	↓-0.2
2/20 06:00	102.0	↓-0.4
2/20 06:10	101.4	↓-0.6
2/20 06:20	100.6	↓-0.8
2/20 06:30	99.5	↓-1.1
2/20 06:40	98.2	↓-1.3
2/20 06:50	96.8	↓-1.4
2/20 07:00	95.2	↓-1.6
2/20 07:10	93.4	↓-1.8
2/20 07:20	91.5	↓-1.9
2/20 07:30	89.5	↓-2.0
2/20 07:40	87.4	↓-2.1
2/20 07:50	85.2	↓-2.2
2/20 08:00	82.9	↓-2.3
2/20 08:10	80.6	↓-2.3
2/20 08:20	78.3	↓-2.3
2/20 08:30	76.1	↓-2.2
2/20 08:40	73.8	↓-2.3
2/20 08:50	71.6	↓-2.2
2/20 09:00	69.4	↓-2.2
2/20 09:10	67.4	↓-2.0
2/20 09:20	65.4	↓-2.0
2/20 09:30	63.6	↓-1.8
2/20 09:40	61.9	↓-1.7
2/20 09:50	60.4	↓-1.5
2/20 10:00	59.0	↓-1.4
2/20 10:10	57.8	↓-1.2
2/20 10:20	56.8	↓-1.0
2/20 10:30	56.0	↓-0.8
2/20 10:40	55.5	↓-0.5
2/20 10:50	55.1	↓-0.4
2/20 11:00	55.0	↓-0.1	干潮
2/20 11:10	55.0	0
2/20 11:20	55.4	↑0.4
2/20 11:30	55.9	↑0.5
2/20 11:40	56.6	↑0.7
2/20 11:50	57.6	↑1.0
2/20 12:00	58.8	↑1.2
2/20 12:10	60.2	↑1.4
2/20 12:20	61.7	↑1.5
2/20 12:30	63.5	↑1.8
2/20 12:40	65.4	↑1.9
2/20 12:50	67.5	↑2.1
2/20 13:00	69.7	↑2.2
2/20 13:10	72.0	↑2.3
2/20 13:20	74.4	↑2.4
2/20 13:30	76.9	↑2.5
2/20 13:40	79.4	↑2.5
2/20 13:50	82.0	↑2.6
2/20 14:00	84.6	↑2.6
2/20 14:10	87.1	↑2.5
2/20 14:20	89.7	↑2.6
2/20 14:30	92.2	↑2.5
2/20 14:40	94.6	↑2.4
2/20 14:50	97.0	↑2.4
2/20 15:00	99.2	↑2.2
2/20 15:10	101.3	↑2.1
2/20 15:20	103.2	↑1.9
2/20 15:30	104.9	↑1.7
2/20 15:40	106.5	↑1.6
2/20 15:50	107.8	↑1.3
2/20 16:00	109.0	↑1.2
2/20 16:10	109.9	↑0.9
2/20 16:20	110.5	↑0.6
2/20 16:30	110.9	↑0.4	満潮
2/20 16:40	111.0	↑0.1	満潮
2/20 16:50	110.8	↓-0.2
2/20 17:00	110.4	↓-0.4
2/20 17:10	109.6	↓-0.8
2/20 17:20	108.6	↓-1.0
2/20 17:30	107.3	↓-1.3
2/20 17:40	105.8	↓-1.5
2/20 17:50	103.9	↓-1.9
2/20 18:00	101.8	↓-2.1
2/20 18:10	99.5	↓-2.3
2/20 18:20	96.9	↓-2.6
2/20 18:30	94.0	↓-2.9
2/20 18:40	91.0	↓-3.0
2/20 18:50	87.7	↓-3.3
2/20 19:00	84.3	↓-3.4
2/20 19:10	80.7	↓-3.6
2/20 19:20	77.0	↓-3.7
2/20 19:30	73.1	↓-3.9
2/20 19:40	69.2	↓-3.9
2/20 19:50	65.2	↓-4.0
2/20 20:00	61.1	↓-4.1	最大潮位差
2/20 20:10	57.0	↓-4.1	最大潮位差
2/20 20:20	52.9	↓-4.1	最大潮位差
2/20 20:30	48.9	↓-4.0
2/20 20:40	44.9	↓-4.0
2/20 20:50	41.0	↓-3.9
2/20 21:00	37.2	↓-3.8
2/20 21:10	33.5	↓-3.7
2/20 21:20	29.9	↓-3.6
2/20 21:30	26.6	↓-3.3
2/20 21:40	23.4	↓-3.2
2/20 21:50	20.5	↓-2.9
2/20 22:00	17.8	↓-2.7
2/20 22:10	15.3	↓-2.5
2/20 22:20	13.1	↓-2.2
2/20 22:30	11.2	↓-1.9
2/20 22:40	9.6	↓-1.6
2/20 22:50	8.3	↓-1.3
2/20 23:00	7.4	↓-0.9
2/20 23:10	6.7	↓-0.7
2/20 23:20	6.4	↓-0.3	干潮
2/20 23:30	6.4	0
2/20 23:40	6.7	↑0.3
2/20 23:50	7.4	↑0.7