20 (土)	06:56	01:19	21:01	14:04
	121cm	66cm	99cm	7cm
中潮 出 05:07 入 18:10 出 22:06 入 07:21 潮干狩り ◎ 11:58～16:13

鳥島（東京）2041年04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
4/20 00:00	72.0	↓-1.6
4/20 00:10	70.5	↓-1.5
4/20 00:20	69.3	↓-1.2
4/20 00:30	68.2	↓-1.1
4/20 00:40	67.2	↓-1.0
4/20 00:50	66.5	↓-0.7
4/20 01:00	66.0	↓-0.5
4/20 01:10	65.7	↓-0.3	干潮
4/20 01:20	65.6	↓-0.1
4/20 01:30	65.8	↑0.2
4/20 01:40	66.2	↑0.4
4/20 01:50	66.8	↑0.6
4/20 02:00	67.6	↑0.8
4/20 02:10	68.6	↑1.0
4/20 02:20	69.8	↑1.2
4/20 02:30	71.2	↑1.4
4/20 02:40	72.8	↑1.6
4/20 02:50	74.6	↑1.8
4/20 03:00	76.5	↑1.9
4/20 03:10	78.6	↑2.1
4/20 03:20	80.8	↑2.2
4/20 03:30	83.1	↑2.3
4/20 03:40	85.5	↑2.4
4/20 03:50	87.9	↑2.4
4/20 04:00	90.5	↑2.6
4/20 04:10	93.0	↑2.5
4/20 04:20	95.6	↑2.6
4/20 04:30	98.1	↑2.5
4/20 04:40	100.6	↑2.5
4/20 04:50	103.0	↑2.4
4/20 05:00	105.4	↑2.4
4/20 05:10	107.6	↑2.2
4/20 05:20	109.8	↑2.2
4/20 05:30	111.8	↑2.0
4/20 05:40	113.6	↑1.8
4/20 05:50	115.2	↑1.6
4/20 06:00	116.7	↑1.5
4/20 06:10	117.9	↑1.2
4/20 06:20	118.9	↑1.0
4/20 06:30	119.7	↑0.8
4/20 06:40	120.2	↑0.5
4/20 06:50	120.5	↑0.3	満潮
4/20 07:00	120.5	0
4/20 07:10	120.2	↓-0.3
4/20 07:20	119.6	↓-0.6
4/20 07:30	118.8	↓-0.8
4/20 07:40	117.6	↓-1.2
4/20 07:50	116.2	↓-1.4
4/20 08:00	114.5	↓-1.7
4/20 08:10	112.6	↓-1.9
4/20 08:20	110.4	↓-2.2
4/20 08:30	107.9	↓-2.5
4/20 08:40	105.2	↓-2.7
4/20 08:50	102.2	↓-3.0
4/20 09:00	99.1	↓-3.1
4/20 09:10	95.7	↓-3.4
4/20 09:20	92.2	↓-3.5
4/20 09:30	88.5	↓-3.7
4/20 09:40	84.7	↓-3.8
4/20 09:50	80.7	↓-4.0
4/20 10:00	76.6	↓-4.1
4/20 10:10	72.5	↓-4.1
4/20 10:20	68.3	↓-4.2
4/20 10:30	64.1	↓-4.2
4/20 10:40	59.8	↓-4.3	最大潮位差
4/20 10:50	55.6	↓-4.2
4/20 11:00	51.5	↓-4.1
4/20 11:10	47.4	↓-4.1
4/20 11:20	43.3	↓-4.1
4/20 11:30	39.4	↓-3.9
4/20 11:40	35.7	↓-3.7
4/20 11:50	32.1	↓-3.6
4/20 12:00	28.6	↓-3.5
4/20 12:10	25.4	↓-3.2
4/20 12:20	22.4	↓-3.0
4/20 12:30	19.6	↓-2.8
4/20 12:40	17.1	↓-2.5
4/20 12:50	14.8	↓-2.3
4/20 13:00	12.8	↓-2.0
4/20 13:10	11.0	↓-1.8
4/20 13:20	9.6	↓-1.4
4/20 13:30	8.4	↓-1.2
4/20 13:40	7.6	↓-0.8
4/20 13:50	7.1	↓-0.5
4/20 14:00	6.8	↓-0.3	干潮
4/20 14:10	6.9	↑0.1
4/20 14:20	7.3	↑0.4
4/20 14:30	7.9	↑0.6
4/20 14:40	8.9	↑1.0
4/20 14:50	10.1	↑1.2
4/20 15:00	11.7	↑1.6
4/20 15:10	13.4	↑1.7
4/20 15:20	15.4	↑2.0
4/20 15:30	17.7	↑2.3
4/20 15:40	20.2	↑2.5
4/20 15:50	22.8	↑2.6
4/20 16:00	25.7	↑2.9
4/20 16:10	28.6	↑2.9
4/20 16:20	31.8	↑3.2
4/20 16:30	35.0	↑3.2
4/20 16:40	38.4	↑3.4
4/20 16:50	41.8	↑3.4
4/20 17:00	45.3	↑3.5
4/20 17:10	48.8	↑3.5
4/20 17:20	52.4	↑3.6
4/20 17:30	55.9	↑3.5
4/20 17:40	59.4	↑3.5
4/20 17:50	62.8	↑3.4
4/20 18:00	66.2	↑3.4
4/20 18:10	69.5	↑3.3
4/20 18:20	72.6	↑3.1
4/20 18:30	75.7	↑3.1
4/20 18:40	78.6	↑2.9
4/20 18:50	81.3	↑2.7
4/20 19:00	83.9	↑2.6
4/20 19:10	86.3	↑2.4
4/20 19:20	88.5	↑2.2
4/20 19:30	90.5	↑2.0
4/20 19:40	92.3	↑1.8
4/20 19:50	93.9	↑1.6
4/20 20:00	95.2	↑1.3
4/20 20:10	96.4	↑1.2
4/20 20:20	97.3	↑0.9
4/20 20:30	98.0	↑0.7
4/20 20:40	98.5	↑0.5
4/20 20:50	98.8	↑0.3
4/20 21:00	98.9	↑0.1	満潮
4/20 21:10	98.8	↓-0.1
4/20 21:20	98.6	↓-0.2
4/20 21:30	98.1	↓-0.5
4/20 21:40	97.5	↓-0.6
4/20 21:50	96.7	↓-0.8
4/20 22:00	95.8	↓-0.9
4/20 22:10	94.8	↓-1.0
4/20 22:20	93.6	↓-1.2
4/20 22:30	92.4	↓-1.2
4/20 22:40	91.1	↓-1.3
4/20 22:50	89.7	↓-1.4
4/20 23:00	88.3	↓-1.4
4/20 23:10	86.9	↓-1.4
4/20 23:20	85.5	↓-1.4
4/20 23:30	84.1	↓-1.4
4/20 23:40	82.7	↓-1.4
4/20 23:50	81.3	↓-1.4