20 (土)	06:08	00:32	19:43	12:58
	123cm	57cm	113cm	1cm
中潮 出 05:07 入 18:10 出 20:47 入 06:21 潮干狩り ◎ 10:47～15:11

鳥島（東京）2030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	57.4	↓-1.0
4/20 00:10	56.7	↓-0.7
4/20 00:20	56.3	↓-0.4
4/20 00:30	56.1	↓-0.2	干潮
4/20 00:40	56.3	↑0.2
4/20 00:50	56.7	↑0.4
4/20 01:00	57.3	↑0.6
4/20 01:10	58.3	↑1.0
4/20 01:20	59.5	↑1.2
4/20 01:30	60.9	↑1.4
4/20 01:40	62.6	↑1.7
4/20 01:50	64.5	↑1.9
4/20 02:00	66.7	↑2.2
4/20 02:10	69.0	↑2.3
4/20 02:20	71.5	↑2.5
4/20 02:30	74.1	↑2.6
4/20 02:40	76.9	↑2.8
4/20 02:50	79.8	↑2.9
4/20 03:00	82.8	↑3.0
4/20 03:10	85.8	↑3.0
4/20 03:20	88.9	↑3.1
4/20 03:30	92.0	↑3.1
4/20 03:40	95.1	↑3.1
4/20 03:50	98.1	↑3.0
4/20 04:00	101.1	↑3.0
4/20 04:10	103.9	↑2.8
4/20 04:20	106.7	↑2.8
4/20 04:30	109.3	↑2.6
4/20 04:40	111.7	↑2.4
4/20 04:50	113.9	↑2.2
4/20 05:00	116.0	↑2.1
4/20 05:10	117.8	↑1.8
4/20 05:20	119.3	↑1.5
4/20 05:30	120.6	↑1.3
4/20 05:40	121.6	↑1.0
4/20 05:50	122.3	↑0.7
4/20 06:00	122.6	↑0.3	満潮
4/20 06:10	122.7	↑0.1
4/20 06:20	122.5	↓-0.2
4/20 06:30	121.9	↓-0.6
4/20 06:40	121.0	↓-0.9
4/20 06:50	119.7	↓-1.3
4/20 07:00	118.2	↓-1.5
4/20 07:10	116.3	↓-1.9
4/20 07:20	114.1	↓-2.2
4/20 07:30	111.6	↓-2.5
4/20 07:40	108.8	↓-2.8
4/20 07:50	105.7	↓-3.1
4/20 08:00	102.4	↓-3.3
4/20 08:10	98.8	↓-3.6
4/20 08:20	95.0	↓-3.8
4/20 08:30	91.0	↓-4.0
4/20 08:40	86.8	↓-4.2
4/20 08:50	82.4	↓-4.4
4/20 09:00	78.0	↓-4.4
4/20 09:10	73.4	↓-4.6
4/20 09:20	68.7	↓-4.7	最大潮位差
4/20 09:30	64.0	↓-4.7	最大潮位差
4/20 09:40	59.3	↓-4.7	最大潮位差
4/20 09:50	54.6	↓-4.7	最大潮位差
4/20 10:00	49.9	↓-4.7	最大潮位差
4/20 10:10	45.3	↓-4.6
4/20 10:20	40.8	↓-4.5
4/20 10:30	36.4	↓-4.4
4/20 10:40	32.2	↓-4.2
4/20 10:50	28.1	↓-4.1
4/20 11:00	24.2	↓-3.9
4/20 11:10	20.6	↓-3.6
4/20 11:20	17.2	↓-3.4
4/20 11:30	14.1	↓-3.1
4/20 11:40	11.3	↓-2.8
4/20 11:50	8.7	↓-2.6
4/20 12:00	6.5	↓-2.2
4/20 12:10	4.7	↓-1.8
4/20 12:20	3.1	↓-1.6
4/20 12:30	1.9	↓-1.2
4/20 12:40	1.1	↓-0.8
4/20 12:50	0.7	↓-0.4	干潮
4/20 13:00	0.6	↓-0.1
4/20 13:10	0.9	↑0.3
4/20 13:20	1.5	↑0.6
4/20 13:30	2.5	↑1.0
4/20 13:40	3.8	↑1.3
4/20 13:50	5.5	↑1.7
4/20 14:00	7.5	↑2.0
4/20 14:10	9.8	↑2.3
4/20 14:20	12.5	↑2.7
4/20 14:30	15.3	↑2.8
4/20 14:40	18.5	↑3.2
4/20 14:50	21.9	↑3.4
4/20 15:00	25.5	↑3.6
4/20 15:10	29.3	↑3.8
4/20 15:20	33.2	↑3.9
4/20 15:30	37.3	↑4.1
4/20 15:40	41.5	↑4.2
4/20 15:50	45.8	↑4.3
4/20 16:00	50.1	↑4.3
4/20 16:10	54.5	↑4.4
4/20 16:20	58.9	↑4.4
4/20 16:30	63.2	↑4.3
4/20 16:40	67.5	↑4.3
4/20 16:50	71.7	↑4.2
4/20 17:00	75.9	↑4.2
4/20 17:10	79.8	↑3.9
4/20 17:20	83.7	↑3.9
4/20 17:30	87.3	↑3.6
4/20 17:40	90.8	↑3.5
4/20 17:50	94.0	↑3.2
4/20 18:00	97.1	↑3.1
4/20 18:10	99.8	↑2.7
4/20 18:20	102.3	↑2.5
4/20 18:30	104.6	↑2.3
4/20 18:40	106.5	↑1.9
4/20 18:50	108.2	↑1.7
4/20 19:00	109.6	↑1.4
4/20 19:10	110.7	↑1.1
4/20 19:20	111.4	↑0.7
4/20 19:30	111.9	↑0.5
4/20 19:40	112.1	↑0.2	満潮
4/20 19:50	112.0	↓-0.1
4/20 20:00	111.7	↓-0.3
4/20 20:10	111.0	↓-0.7
4/20 20:20	110.2	↓-0.8
4/20 20:30	109.0	↓-1.2
4/20 20:40	107.7	↓-1.3
4/20 20:50	106.1	↓-1.6
4/20 21:00	104.4	↓-1.7
4/20 21:10	102.4	↓-2.0
4/20 21:20	100.4	↓-2.0
4/20 21:30	98.2	↓-2.2
4/20 21:40	95.9	↓-2.3
4/20 21:50	93.5	↓-2.4
4/20 22:00	91.0	↓-2.5
4/20 22:10	88.5	↓-2.5
4/20 22:20	86.1	↓-2.4
4/20 22:30	83.6	↓-2.5
4/20 22:40	81.1	↓-2.5
4/20 22:50	78.7	↓-2.4
4/20 23:00	76.4	↓-2.3
4/20 23:10	74.2	↓-2.2
4/20 23:20	72.2	↓-2.0
4/20 23:30	70.2	↓-2.0
4/20 23:40	68.5	↓-1.7
4/20 23:50	66.9	↓-1.6