20 (金)	07:24	01:45	21:17	14:25
	116cm	63cm	99cm	15cm
中潮 出 05:07 入 18:10 出 08:24 入 22:30 潮干狩り ◎ 12:39～16:13

鳥島（東京）2018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	72.8	↓-2.0
4/20 00:10	71.0	↓-1.8
4/20 00:20	69.3	↓-1.7
4/20 00:30	67.8	↓-1.5
4/20 00:40	66.4	↓-1.4
4/20 00:50	65.2	↓-1.2
4/20 01:00	64.2	↓-1.0
4/20 01:10	63.4	↓-0.8
4/20 01:20	62.7	↓-0.7
4/20 01:30	62.3	↓-0.4
4/20 01:40	62.1	↓-0.2	干潮
4/20 01:50	62.1	0
4/20 02:00	62.4	↑0.3
4/20 02:10	62.8	↑0.4
4/20 02:20	63.5	↑0.7
4/20 02:30	64.3	↑0.8
4/20 02:40	65.4	↑1.1
4/20 02:50	66.7	↑1.3
4/20 03:00	68.1	↑1.4
4/20 03:10	69.7	↑1.6
4/20 03:20	71.5	↑1.8
4/20 03:30	73.4	↑1.9
4/20 03:40	75.5	↑2.1
4/20 03:50	77.7	↑2.2
4/20 04:00	79.9	↑2.2
4/20 04:10	82.3	↑2.4
4/20 04:20	84.7	↑2.4
4/20 04:30	87.1	↑2.4
4/20 04:40	89.6	↑2.5
4/20 04:50	92.1	↑2.5
4/20 05:00	94.5	↑2.4
4/20 05:10	96.9	↑2.4
4/20 05:20	99.2	↑2.3
4/20 05:30	101.5	↑2.3
4/20 05:40	103.6	↑2.1
4/20 05:50	105.6	↑2.0
4/20 06:00	107.5	↑1.9
4/20 06:10	109.2	↑1.7
4/20 06:20	110.8	↑1.6
4/20 06:30	112.1	↑1.3
4/20 06:40	113.3	↑1.2
4/20 06:50	114.2	↑0.9
4/20 07:00	114.9	↑0.7
4/20 07:10	115.4	↑0.5
4/20 07:20	115.6	↑0.2	満潮
4/20 07:30	115.5	↓-0.1
4/20 07:40	115.2	↓-0.3
4/20 07:50	114.7	↓-0.5
4/20 08:00	113.8	↓-0.9
4/20 08:10	112.7	↓-1.1
4/20 08:20	111.4	↓-1.3
4/20 08:30	109.8	↓-1.6
4/20 08:40	107.9	↓-1.9
4/20 08:50	105.8	↓-2.1
4/20 09:00	103.5	↓-2.3
4/20 09:10	101.0	↓-2.5
4/20 09:20	98.2	↓-2.8
4/20 09:30	95.3	↓-2.9
4/20 09:40	92.2	↓-3.1
4/20 09:50	88.9	↓-3.3
4/20 10:00	85.5	↓-3.4
4/20 10:10	82.0	↓-3.5
4/20 10:20	78.4	↓-3.6
4/20 10:30	74.7	↓-3.7
4/20 10:40	70.9	↓-3.8
4/20 10:50	67.1	↓-3.8
4/20 11:00	63.2	↓-3.9	最大潮位差
4/20 11:10	59.4	↓-3.8
4/20 11:20	55.7	↓-3.7
4/20 11:30	51.9	↓-3.8
4/20 11:40	48.3	↓-3.6
4/20 11:50	44.7	↓-3.6
4/20 12:00	41.3	↓-3.4
4/20 12:10	37.9	↓-3.4
4/20 12:20	34.8	↓-3.1
4/20 12:30	31.8	↓-3.0
4/20 12:40	29.0	↓-2.8
4/20 12:50	26.4	↓-2.6
4/20 13:00	24.1	↓-2.3
4/20 13:10	22.0	↓-2.1
4/20 13:20	20.1	↓-1.9
4/20 13:30	18.5	↓-1.6
4/20 13:40	17.1	↓-1.4
4/20 13:50	16.0	↓-1.1
4/20 14:00	15.2	↓-0.8
4/20 14:10	14.7	↓-0.5
4/20 14:20	14.4	↓-0.3	干潮
4/20 14:30	14.5	↑0.1
4/20 14:40	14.8	↑0.3
4/20 14:50	15.3	↑0.5
4/20 15:00	16.2	↑0.9
4/20 15:10	17.3	↑1.1
4/20 15:20	18.7	↑1.4
4/20 15:30	20.3	↑1.6
4/20 15:40	22.1	↑1.8
4/20 15:50	24.1	↑2.0
4/20 16:00	26.4	↑2.3
4/20 16:10	28.8	↑2.4
4/20 16:20	31.4	↑2.6
4/20 16:30	34.2	↑2.8
4/20 16:40	37.1	↑2.9
4/20 16:50	40.1	↑3.0
4/20 17:00	43.2	↑3.1
4/20 17:10	46.3	↑3.1
4/20 17:20	49.5	↑3.2
4/20 17:30	52.8	↑3.3
4/20 17:40	56.0	↑3.2
4/20 17:50	59.3	↑3.3
4/20 18:00	62.5	↑3.2
4/20 18:10	65.7	↑3.2
4/20 18:20	68.8	↑3.1
4/20 18:30	71.9	↑3.1
4/20 18:40	74.8	↑2.9
4/20 18:50	77.6	↑2.8
4/20 19:00	80.3	↑2.7
4/20 19:10	82.8	↑2.5
4/20 19:20	85.2	↑2.4
4/20 19:30	87.4	↑2.2
4/20 19:40	89.4	↑2.0
4/20 19:50	91.3	↑1.9
4/20 20:00	92.9	↑1.6
4/20 20:10	94.4	↑1.5
4/20 20:20	95.6	↑1.2
4/20 20:30	96.7	↑1.1
4/20 20:40	97.5	↑0.8
4/20 20:50	98.1	↑0.6
4/20 21:00	98.5	↑0.4
4/20 21:10	98.7	↑0.2	満潮
4/20 21:20	98.8	↑0.1
4/20 21:30	98.6	↓-0.2
4/20 21:40	98.2	↓-0.4
4/20 21:50	97.7	↓-0.5
4/20 22:00	97.0	↓-0.7
4/20 22:10	96.2	↓-0.8
4/20 22:20	95.3	↓-0.9
4/20 22:30	94.2	↓-1.1
4/20 22:40	93.0	↓-1.2
4/20 22:50	91.7	↓-1.3
4/20 23:00	90.3	↓-1.4
4/20 23:10	88.9	↓-1.4
4/20 23:20	87.4	↓-1.5
4/20 23:30	85.9	↓-1.5
4/20 23:40	84.4	↓-1.5
4/20 23:50	82.9	↓-1.5